helium has been researched along with Asthma in 226 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 71 (31.42) | 18.7374 |
| 1990's | 22 (9.73) | 18.2507 |
| 2000's | 72 (31.86) | 29.6817 |
| 2010's | 54 (23.89) | 24.3611 |
| 2020's | 7 (3.10) | 2.80 |
| Authors | Studies |
|---|---|
| Carey, KJ; Denlinger, LC; Dunican, EM; Elicker, BM; Evans, MD; Fahy, JV; Fain, SB; Gierada, DS; Jarjour, NN; Mummy, DG; Nagle, SK; Newell, JD; Schiebler, ML; Sorkness, RL | 1 |
| Al-Subu, AM; Rehder, KJ | 1 |
| Eddy, RL; Knipping, D; Licskai, C; Matheson, AM; McCormack, DG; Parraga, G; Svenningsen, S | 1 |
| Cadman, RV; Denlinger, LC; Evans, MD; Fain, SB; Jackson, DJ; Jarjour, NN; Lemanske, RF; Schiebler, ML; Sorkness, RL; Tsuchiya, N | 1 |
| Carey, KJ; Denlinger, LC; Evans, MD; Fain, SB; Jarjour, NN; Mummy, DG; Schiebler, ML; Sorkness, RL | 1 |
| Altes, TA; de Lange, EE; Gerald Teague, W; Mata, J; Meyer, CH; Mugler, JP; Qing, K; Shim, YM; Tustison, NJ; Wavell, K | 1 |
| Teague, WG | 1 |
| Amankwah, E; Lew, A; Morrison, JM; Sochet, AA | 1 |
| Dunn, NA; Maurer, DM; Neff, LA | 1 |
| Brightling, CE; Collier, GJ; Horn, FC; Kay, R; Marshall, H; Parra-Robles, J; Siddiqui, S; Wild, JM | 1 |
| Grandmont, C; Katz, I; Montesantos, S; Pichelin, M; Pozin, N; Vignon-Clementel, I | 1 |
| Denlinger, LC; Evans, MD; Fain, SB; Jarjour, NN; Kruger, SJ; Mummy, DG; Schiebler, ML; Sorkness, RL; Zha, W | 1 |
| Cadman, RV; Denlinger, LC; Evans, MD; Fain, SB; Jarjour, NN; Kruger, SJ; Mummy, DG; Nagle, SK; Sorkness, RL; Zha, W | 1 |
| Doan, V; Haccuria, A; Malinovschi, A; Michils, A; Van Muylem, A | 1 |
| Baxter, JSH; Capaldi, DPI; Eddy, RL; Guo, F; McCormack, DG; McLeod, AJ; Nair, P; Parraga, G; Svenningsen, S | 1 |
| Brightling, CE; Collier, G; Hughes, PJC; Ireland, RH; Marshall, H; Tahir, BA; Wild, JM | 1 |
| Eddy, RL; Licskai, C; McCormack, DG; Parraga, G; Svenningsen, S | 1 |
| Stojanovska, J | 1 |
| Bratton, SL; Char, DS; Ibsen, LM; Ramamoorthy, C | 1 |
| Diehl, JL; Guérot, E | 1 |
| Kirby, M; Leary, D; Maksym, GN; McCormack, DG; Parraga, G; Starr, D; Svenningsen, S; Wheatley, A | 1 |
| Albert, MS; LaPrad, AS; Lui, JK; Lutchen, KR; Parameswaran, H; Sun, Y | 1 |
| Alcoforado, L; Brandão, D; Brandão, S; Dornelas de Andrade, A; Ferreira Lima, G; Fink, JB; Lima, V; Rattes, C | 1 |
| Coxson, HO; Kirby, M; McCormack, DG; Parraga, G; Paterson, NA; Starr, D; Svenningsen, S | 1 |
| Jones, BP; Paul, A | 1 |
| Castro-Rodriguez, JA; Rodrigo, GJ | 1 |
| Caillibotte, G; Conway, J; Fleming, J; Greenblatt, E; Katz, I; Majoral, C; Martin, A; Montesantos, S; Pichelin, M; Venegas, J | 1 |
| Alawieh, M; Bou-Akl, I; Bou-Khalil, P; Chami, H; El-Khatib, MF; Husari, A; Jamaleddine, G; Kanj, N; Zeineddine, S | 1 |
| Aliverti, A; Castro, M; Pennati, F; Quirk, JD; Woods, JC; Yablonskiy, DA | 1 |
| Castro, M; Ellison, HD; Kozlowski, J; Quirk, JD; Sheshadri, A; Szczesniak, RD; Thomen, RP; Woods, JC | 1 |
| Desai, M; Oppenheimer, JJ | 1 |
| Choy, S; Guo, F; Kirby, M; McCormack, DG; Parraga, G; Svenningsen, S; Wheatley, A | 1 |
| Rodrigo, GJ | 2 |
| Brightling, CE; Buhl, N; Costanza, R; Gonem, S; Gustafsson, P; Hardy, S; Hartley, R; Kay, R; Owers-Bradley, J; Siddiqui, S; Soares, M | 1 |
| Castro-Rodriguez, JA; E Rodríguez-Martínez, C; J Rodrigo, G | 1 |
| Brightling, CE; De Backer, J; Hartley, R; Horn, FC; Ireland, RH; Kay, R; Kenworthy, JC; Marshall, H; Parra-Robles, J; Swift, AJ; Tahir, BA; Van Holsbeke, C; Vos, W; Wild, JM | 1 |
| Dominelli, GS; Dominelli, PB; Foster, GE; Haverkamp, HC; Henderson, WR; Molgat-Seon, Y; Sheel, AW | 1 |
| Häussermann, S; Herpich, C; Hunger, T; Katz, IM; Martin, AR; Schulze, A; Texereau, J | 1 |
| Altes, TA; de Lange, EE; Gersbach, J; Meyer, CH; Mugler, JP; Ruppert, K; Szentpetery, S; Teague, WG; Tustison, NJ | 1 |
| Albert, MS; Lui, JK; Lutchen, KR; Parameswaran, H | 1 |
| Capaldi, DP; McCormack, DG; Parraga, G; Pike, D; Svenningsen, S; Zha, N | 1 |
| Cadman, RV; Fain, SB; Hahn, AD; Jarjour, NN; Nagle, SK; Sorkness, RL | 1 |
| Caillibotte, G; Greenblatt, EE; Harris, RS; Hess, DR; Katz, I; Kelly, VJ; Kone, M; Martin, A; Venegas, JG; Winkler, T | 1 |
| Bhatawadekar, S; Guo, F; Leary, D; Maksym, GN; Parraga, G; Svenningsen, S | 1 |
| Arnold, DH; Asokan, I; Fleming, GM; Otillio, JK; Pardue Jones, B | 1 |
| Baram, M; Herman, J | 1 |
| Albert, M; Lutchen, K; Tzeng, YS | 1 |
| Favier, JC; Landy, C; Nadaud, J; Pernod, G; Steiner, T | 1 |
| Altes, TA; Battiston, JJ; de Lange, EE; Juersivich, AP; Mugler, JP; Patrie, JT; Platts-Mills, TA | 1 |
| Chen, BT; Driehuys, B; Foster, WM; Potts, EN; Slipetz, DM; Thomas, AC | 1 |
| Bley, TA; Brodsky, EK; Busse, WW; Fain, SB; Francois, CJ; Holmes, JH; O'Halloran, RL; Sorkness, RL; Velikina, JV | 1 |
| de Lange, EE; Tashkin, DP | 1 |
| Cheifetz, IM; Frazier, MD | 1 |
| Latifi, S; Ross-Russell, R; Standley, T | 1 |
| Driehuys, B; Johnson, GA; Kaushik, SS; Mistry, NN; Thomas, A | 1 |
| Altes, TA; de Lange, EE; Gee, JC; Mugler, JP; Song, G; Tustison, NJ | 1 |
| DOLL, R | 1 |
| Altes, TA; Aysola, R; Castro, M; de Lange, EE | 1 |
| Alcoforado, L; Brandão, DC; Britto, MC; de Andrade, AD; de Sá, RB; Matos, LO; Pessoa, MF; Silva, TN | 1 |
| Franquet, T | 1 |
| Ari, A; Fink, JB | 1 |
| Laurent, F; Tunon de Lara, M | 1 |
| Altes, TA; Avants, BB; de Lange, EE; Flors, L; Gee, JC; Mugler, JP; Tustison, NJ | 1 |
| Etemad-Rezai, R; Heydarian, M; Kirby, M; McCormack, DG; Parraga, G; Svenningsen, S; Wheatley, A | 1 |
| Driehuys, B; Foster, WM; Kaushik, SS; Nouls, J; Potts, EN; Slipetz, DM; Thomas, AC | 1 |
| Venegas, JG; Winkler, T | 1 |
| Costella, S; Kirby, M; Maksym, GN; McCormack, DG; Parraga, G; Paterson, NA | 1 |
| Cadman, RV; Evans, MD; Fain, SB; Gern, JE; Jackson, DJ; Lemanske, RF; Sorkness, RL | 1 |
| Marini, JJ; Peigang, Y | 1 |
| Bag, R; Bandi, V; Fromm, RE; Guntupalli, KK | 1 |
| Haynes, JM; Sargent, RJ; Sweeney, EL | 1 |
| Cotting, J; Scalfaro, P; Stucki, P | 1 |
| Kass, JE | 1 |
| Pollack, CV; Rodrigo, C; Rodrigo, GJ; Rowe, B | 1 |
| Chung, DC; Contardi, LH; Dion, PW; Ho, AM; Karmakar, MK; Lee, A | 1 |
| Clerbaux, T; deKock, M; Detry, B; Gianello, P; Jolliet, P; Liistro, G; Reynaert, M; Roeseler, J; Watremez, C | 1 |
| Wagers, S | 1 |
| Alford, BA; Altes, T; Brookeman, JR; Ciambotti, JM; de Lange, EE; Knight-Scott, J; Mugler, JP; Platts-Mills, TA; Powers, P; Rakes, G; Samee, S | 1 |
| Adams, BK; Cydulka, RK | 1 |
| Gustafsson, PM; Kjellman, B; Ljungberg, HK | 1 |
| Abd-Allah, SA; Gross, M; Perkin, RM; Rogers, MS; Terry, M | 1 |
| Chen, L; Hao, F; Jin, G; Liu, Y; Xie, L; Zhao, H | 1 |
| Klarreich, E | 1 |
| Altes, TA; de Lange, EE | 1 |
| FRANKLIN, W; LOWELL, FC; LYNCH, MT; SCHILLER, IW | 1 |
| AGRANOVICH, RI; MUKHARLIAMOV, NM | 1 |
| Gose, JE | 1 |
| Milgrom, H; Roy, SR | 1 |
| Pollack, C; Rodrigo, C; Rodrigo, G; Rowe, BH | 2 |
| Harris, AR; Reuben, AD | 1 |
| Butler, J; Jacobs, M; Reid, C | 1 |
| Altes, TA; Salerno, M | 1 |
| Cheifetz, IM; Gupta, VK | 1 |
| Chang, HW; Hsu, CW; Huang, YC; Lee, DL; Lee, H | 1 |
| Bandi, V; Guntupalli, K; Sirgi, C; Velamuri, S; Wendt, J; Wendt, R | 1 |
| Nott, MR | 1 |
| Bratton, SL; Cabana, MD; Keenan, HT; Levy, FH; McCollegan, J; Odetola, FO | 1 |
| Emami, K; Fischer, MC; Haczku, A; Ishii, M; Kadlecek, S; Panettieri, RA; Rizi, RR | 1 |
| Corcoran, T; Funt, N; Gracely, E; Kim, IK; Phrampus, E; Pitetti, R; Saville, A; Thompson, A; Venkataraman, S | 1 |
| Brown, L; Kim, TY; Minasyan, L; Rivera, ML; Stewart, GM | 1 |
| Stachowski, E; Wigmore, T | 1 |
| Corcoran, TE; Kim, IK; Saville, AL; Sikes, KL | 1 |
| Myers, TR | 1 |
| Altes, TA; de Lange, EE; Gaare, JD; Knake, JJ; Mugler, JP; Patrie, JT; Platts-Mills, TA | 1 |
| Ahmed, A; Babbar, H; Chandra, A; Choksi, S; Chung, V; Dhuper, S; Jha, G; Selvaraj, S; Shim, C; Walia, B | 1 |
| Barber, V; Colebourn, CL; Young, JD | 1 |
| Altes, TA; Brookeman, JR; de Lange, EE; Mugler, JP; Parmar, J; Patrie, JT; Platts-Mills, TA | 1 |
| Cheifetz, IM; Hurford, WE | 1 |
| Banzett, RB; Carrieri-Kohlman, V; Casaburi, R; Davenport, PW; Gandevia, SC; Gelb, AF; Mahler, DA; O'Donnell, DE; Webb, KA | 1 |
| Cofer, GP; Driehuys, B; Johnson, GA; Mistry, N; Pollaro, J; Schwartz, D; Walker, J | 1 |
| Martolini, D; Palange, P; Paoletti, P; Savi, D; Valli, G | 1 |
| Bland, H; Crosby, D; Dougill, B; Jackson, J; O'Callaghan, C; White, J | 1 |
| Kerckx, Y; Michils, A; Van Muylem, A | 1 |
| Chevrolet, JC; Sridharan, G; Tassaux, D | 1 |
| Altes, TA; Brookeman, JR; Cates, GD; de Lange, EE; Mata, JF; Miller, GW; Mugler, JP; Wang, C | 1 |
| Levine, DA | 1 |
| Busse, WW; Evans, MD; Fain, SB; Gonzalez-Fernandez, G; Jarjour, NN; Kuhlman, JE; Peterson, ET; Sorkness, RL | 1 |
| Albert, M; Cho, M; Cook-Granroth, J; Gereige, J; Hoffman, E; Lutchen, K; Mansour, J; Stepp, E; Tzeng, YS; Washko, G | 1 |
| Gargani, G; Kerrebijn, KF; Neijens, HJ; van Kralingen, A; van Weezepoel, N | 1 |
| Arai, Y; Kawamura, G; Mishima, T | 2 |
| Barliński, J; Doboszyńska, A; Kowalski, J | 1 |
| Partridge, MR; Saunders, KB | 2 |
| Kawakami, K; Mori, Y; Murakami, Y; Shimada, T | 1 |
| Chmielewska-Szewczyk, D; Milanowski, A; Przybylska, H | 1 |
| Chiang, CH; Hsieh, YC; Kao, SJ; Wang, D | 1 |
| Mok, JY; Simpson, H | 1 |
| Jarzab, J; Kral, H; Potocka-Skowronek, Z; Rogala, E; Stozek-Lundberg, M | 1 |
| Bellia, V; Bonsignore, G; Ferrara, G; Mirabella, A; Rizzo, A; Sciarabba, G | 1 |
| Bogaard, JM; Stam, H; Verheijen-Breemhaar, L | 1 |
| Hey, EN; Price, JF | 1 |
| Rodenstein, DO; Stănescu, DC | 1 |
| Chipps, BE; Mak, H; Menkes, HA; Permutt, S; Scherr, MS; Schuberth, KC; Talamo, JH; Talamo, RC | 1 |
| Hunter, D; Pereira, RP; Pride, NB | 1 |
| Partridge, MR; Saunders, KB; Watson, AC | 1 |
| Bierman, CW; Petheram, IS; Spiro, SG | 1 |
| Angus, E; Jardim, J; Lisboa, C; Macklem, PT | 1 |
| Borish, L; Reisner, C | 1 |
| Caputo, MA; Hall, JB; Klocksieben, JM; Manthous, CA; Schmidt, GA; Walter, J; Wood, LD | 1 |
| Irwin, RS; Madison, JM | 1 |
| Castriotta, RJ; Kass, JE | 1 |
| Hagel, CL; Ritchie, JA | 1 |
| Kovalenko, EA; Krysin, IuS; Sil'vestrov, VP | 1 |
| Charge, TD; Coates, AL; Lands, LC | 1 |
| Choux, C; Dubien, PY; Petit, P; Roux, H | 1 |
| Anderson, M; Bylin, G; Camner, P; Philipson, K; Svartengren, M | 1 |
| Carter, ER; Moffitt, DR; Webb, CR | 1 |
| Polaner, DM | 1 |
| Agrawal, A; Agrawal, KP | 1 |
| D'Angelo, E; Marazzini, L; Milic-Emili, J | 1 |
| Tobias, JD | 1 |
| Carter, ER; Moffitt, DR | 1 |
| Acharya, P; Chan, LS; Henderson, SO; Kilaghbian, T; Korn, CS; Perez, J | 1 |
| Bogorad, PL; Brookeman, JR; Cates, GD; Daniel, TM; de Lange, EE; Knight-Scott, J; Mugler, JP; Teates, CD; Truwit, JD | 1 |
| Kass, JE; Terregino, CA | 1 |
| Corbridge, T; Gluckman, TJ | 1 |
| Diehl, JL; Faisy, C; Guerot, E; Labrousse, J; Rezgui, N | 1 |
| Carter, ER | 1 |
| Rodrigo, C; Rodrigo, GJ | 2 |
| Burton, JH; Dorfman, TA; Jones, P; Mette, SA; Shipley, ER | 1 |
| Clark, K; Pershad, J; Rosenberg, NM; Smith, SA | 1 |
| Alford, BA; Altes, TA; Brookeman, JR; de Lange, EE; Knight-Scott, J; Mugler, JP; Platts-Mills, TA; Powers, PL; Rakes, G | 1 |
| Liu, Y; Ma, Y; Xie, L | 1 |
| Pollack, C; Rodrigo, C; Rodrigo, G; Travers, A | 1 |
| Koh, Y | 1 |
| Jones, J; Murin, S | 1 |
| Altes, TA; de Lange, EE; Hatabu, H; Mugler, JP; Nakatsu, M; Salerno, M | 1 |
| Hayden, ME; Mayo, JR | 1 |
| Dhainaut, JF; Joly, B; L'Her, E; Lejay, M; Marichy, J; Monchi, M | 1 |
| Hao, F; Liu, Y; Ma, Y; Piao, Z | 1 |
| Miller, P; Panacek, EA; Rose, JS | 1 |
| Barman, N; Gehlbach, BK; Hall, JB; Kress, JP; Miller, A; Morgan, S; Noth, I; Pohlman, AS | 1 |
| Ishigatsubo, Y; Kobayashi, H; Miyashita, A; Okubo, T; Shinkai, M; Suzuki, S | 1 |
| Borja, H; Cruz, E; Ferretti, R; Lisboa, C; Pinto, E | 1 |
| Pride, NB | 1 |
| Bristowe, B; Landau, LI; McLennan, L; Mellis, CM; Phelan, PD | 1 |
| Chardon, G; Lloret, MC; Michel, FB; Prefaut, C; Tronc, JF | 1 |
| Clark, TJ; Hetzel, MR; Houston, K | 1 |
| Ancić, P; Ferretti, R | 1 |
| Engel, L; Fukuchi, Y; Siegler, D | 1 |
| Hogg, JC; Michound, MC; Pare, PD | 1 |
| Casali, L; Serra, R; Zanon, P | 1 |
| Braithwaite, WR; Crothers, JC; Knott, MM; Raymond, LW; Spaur, WH; Thalmann, ED; Uddin, DF | 1 |
| Linde, H; Löllgen, H; Smidt, U; von Nieding, G | 1 |
| Littner, M | 1 |
| Antic, R; Macklem, PT | 1 |
| Benatar, SR; Clark, TJ; Cochrane, GM | 1 |
| Abboud, R; Chan-Yeung, M; Maclean, L; Tsao, MS | 1 |
| Castriotta, R; Gluck, EH; Onorato, DJ | 1 |
| Hochron, SM; Lehrer, PM; McCann, B; Reba, P; Swartzman, L | 1 |
| Bissiouli, Z; Jordanoglou, J; Tatsis, G | 1 |
| Asher, MI; Frean, MR; Hill, PM; Lambert, RK; Lau, T; Quinn, J | 1 |
| Drazen, JM; Ingenito, E; Lafleur, J; Lombardo, A; Pichurko, B; Solway, J | 1 |
| Greenough, A; Pool, JB; Price, JF | 1 |
| Buchanan, PR; Harris, EA; Whitlock, RM | 1 |
| Barnoud, D; Carpentier, F; Guignier, M; Martin-Barbaz, F; Mingat, J | 1 |
| Eliasson, O; Zuwallack, RL | 1 |
| Metzger, WJ; Nugent, K; Richerson, HB | 1 |
| Brushko, IV; Kogosov, IuA; Parkhomenko, NV; Tsyrul'nikov, VA; Zhukovskiĭ, LI | 1 |
| Benatar, SR; Hönig, P | 1 |
| Bianchi, M; Chardon, G; Guendon, R; Marty, JC; Michel, FB; Prefaut, C; Vidal, J | 1 |
| Gibson, LE | 1 |
| O'Donnell, TV; Tocker, MD | 1 |
| Haydu, SP | 1 |
| Borthwick, RC; Ellul-Micallef, R; McHardy, GJ | 1 |
| Khromov, BM | 1 |
| Despas, PJ; Leroux, M; Macklem, PT | 1 |
| Forgacs, P | 1 |
| Teculescu, DB | 1 |
| Cade, JF; Read, J; Rebuck, AS; Woolcock, AJ | 1 |
| Forgacs, P; Nathoo, AR; Richardson, HD | 1 |
| Matthys, H | 1 |
| Swain, BK; Zelefsky, MN | 1 |
| Cotes, JE | 1 |
| Bernstein, IL; Feldman, DP; Pecora, LJ | 2 |
| Hathirat, S; Mitchell, M; Renzetti, AD | 1 |
| Popescu, IG; Stanescu, D; Teculescu, D | 1 |
| Hugh-Jones, P; Meisner, P | 1 |
| Mitchell, MM; Renzetti, AD | 1 |
| Park, SS; Williams, MH | 1 |
| Nakamura, T; Okubo, T; Sasaki, T; Takahashi, H; Takishima, T | 1 |
43 review(s) available for helium and Asthma
| Article | Year |
|---|---|
A stepwise approach to pediatric asthma.
Topics: Adrenergic beta-Agonists; Anti-Asthmatic Agents; Asthma; Child; Cromolyn Sodium; Delayed-Action Preparations; Dose-Response Relationship, Drug; Drug Therapy, Combination; Glucocorticoids; Helium; Humans; Hypersensitivity; Infusions, Intravenous; Leukotriene Antagonists; Magnesium Sulfate; Metered Dose Inhalers; Nebulizers and Vaporizers; Omalizumab; Oxygen; Positive-Pressure Respiration; Practice Guidelines as Topic; Xanthines | 2017 |
Non-invasive ventilation in severe asthma attacks.
Topics: Acute Disease; Asthma; Bronchi; Bronchodilator Agents; Helium; Humans; Noninvasive Ventilation | 2013 |
Management of acute asthma in the pediatric patient: an evidence-based review.
Topics: Adrenal Cortex Hormones; Adrenergic beta-Agonists; Anesthetics, Dissociative; Asthma; Blood Gas Analysis; Bronchodilator Agents; Calcium Channel Blockers; Child; Cholinergic Antagonists; Critical Pathways; Diagnosis, Differential; Emergency Medical Services; Emergency Medicine; Emergency Service, Hospital; Helium; Humans; Intubation, Intratracheal; Ketamine; Leukotriene Antagonists; Magnesium Sulfate; Oxygen; Peak Expiratory Flow Rate; Physical Examination; Positive-Pressure Respiration; Radiography, Thoracic; Risk Management | 2013 |
Heliox-driven β2-agonists nebulization for children and adults with acute asthma: a systematic review with meta-analysis.
Topics: Acute Disease; Adolescent; Adrenergic beta-1 Receptor Agonists; Adult; Asthma; Child; Child, Preschool; Helium; Humans; Hypoxia; Nebulizers and Vaporizers; Oxygen; Treatment Outcome | 2014 |
Advances in acute asthma.
Topics: Acute Disease; Adrenergic beta-1 Receptor Agonists; Adult; Albuterol; Asthma; Bronchodilator Agents; Evidence-Based Emergency Medicine; Helium; Hospitalization; Humans; Hyperlactatemia; Magnesium Sulfate; Nebulizers and Vaporizers; Oxygen; Oxygen Inhalation Therapy; Treatment Outcome | 2015 |
Pediatric acute asthma exacerbations: Evaluation and management from emergency department to intensive care unit.
Topics: Acute Disease; Adrenal Cortex Hormones; Anti-Asthmatic Agents; Asthma; Blood Gas Analysis; Bronchodilator Agents; Child; Chronic Disease; Drug Administration Routes; Drug Therapy, Combination; Emergency Service, Hospital; Helium; Humans; Oxygen; Practice Guidelines as Topic; Respiration, Artificial; Respiratory Insufficiency | 2016 |
Imaging of the distal airways.
Topics: Animals; Asthma; Bronchioles; Diagnostic Imaging; Helium; Humans; Lung; Magnetic Resonance Imaging; Tomography, X-Ray Computed | 2009 |
The role of heliox in paediatric respiratory disease.
Topics: Aerosols; Asthma; Child; Helium; Humans; Oxygen; Respiration Disorders; Respiratory Therapy | 2010 |
Demonstration of the heterogeneous distribution of asthma in the lungs using CT and hyperpolarized helium-3 MRI.
Topics: Asthma; Diagnostic Imaging; Gases; Helium; Humans; Inflammation; Isotopes; Lung; Magnetic Resonance Imaging; Phenotype; Tomography, X-Ray Computed | 2010 |
[Imaging techniques in the examination of the distal airways: asthma and COPD].
Topics: Airway Obstruction; Alveolitis, Extrinsic Allergic; Aspergillosis, Allergic Bronchopulmonary; Asthma; Bronchi; Bronchioles; Bronchiolitis Obliterans; Bronchography; Diagnosis, Differential; Diagnostic Imaging; Helium; Humans; Isotopes; Magnetic Resonance Imaging; Perfusion Imaging; Pulmonary Alveoli; Pulmonary Disease, Chronic Obstructive; Pulmonary Emphysema; Tomography, Spiral Computed; Tomography, X-Ray Computed; Xenon Isotopes | 2011 |
Assessment of imaging techniques for evaluating small-airway disease in asthma.
Topics: Air; Asthma; Bronchioles; Bronchography; Helium; Humans; Magnetic Resonance Imaging; Positron-Emission Tomography; Tomography, Emission-Computed, Single-Photon; Tomography, X-Ray Computed | 2011 |
Ventilation of patients with asthma and chronic obstructive pulmonary disease.
Topics: Asthma; Helium; Humans; Hypoventilation; Oxygen; Pulmonary Disease, Chronic Obstructive; Respiration, Artificial; Ventilator Weaning | 2002 |
[Heliox in pediatrics].
Topics: Airway Obstruction; Airway Resistance; Asthma; Bronchiolitis; Child; Croup; Helium; Humans; Oxygen; Patient Selection; Pediatrics; Respiratory Sounds; Treatment Outcome; Work of Breathing | 2002 |
Use of helium-oxygen mixtures in the treatment of acute asthma: a systematic review.
Topics: Acute Disease; Adult; Asthma; Child; Emergencies; Helium; Humans; Oxygen; Respiratory Therapy; Status Asthmaticus; Treatment Outcome | 2003 |
Heliox vs air-oxygen mixtures for the treatment of patients with acute asthma: a systematic overview.
Topics: Acute Disease; Asthma; Helium; Humans; Oxygen; Respiratory Mechanics; Respiratory Therapy; Treatment Outcome | 2003 |
Asthma evaluation and management.
Topics: Adrenal Cortex Hormones; Adrenergic beta-Agonists; Adult; Aged; Aminophylline; Anti-Asthmatic Agents; Asthma; Bronchodilator Agents; Child; Cholinergic Antagonists; Emergency Medical Services; Female; Helium; Humans; Intubation, Intratracheal; Leukotriene Antagonists; Magnesium Sulfate; Oxygen; Physical Examination; Pregnancy; Pregnancy Complications; Respiration, Artificial | 2003 |
Inhaled therapy for acute adult asthma.
Topics: Acute Disease; Adult; Aerosols; Asthma; Bronchodilator Agents; Helium; Humans; Metered Dose Inhalers; Oxygen; Randomized Controlled Trials as Topic | 2003 |
Applications of hyperpolarized helium-3 gas magnetic resonance imaging in pediatric lung disease.
Topics: Asthma; Child; Cystic Fibrosis; Forced Expiratory Volume; Helium; Humans; Isotopes; Magnetic Resonance Imaging | 2003 |
Management of the acute exacerbation of asthma.
Topics: Acute Disease; Administration, Inhalation; Adrenal Cortex Hormones; Adrenergic beta-Agonists; Adult; Anti-Inflammatory Agents; Asthma; Child, Preschool; Cholinergic Antagonists; Comorbidity; Diagnosis, Differential; Emergency Treatment; Helium; Humans; Hypoxia; Infant; Injections, Intravenous; Oxygen; Oxygen Inhalation Therapy; Practice Guidelines as Topic; Self Care | 2003 |
Heliox for nonintubated acute asthma patients.
Topics: Acute Disease; Adult; Asthma; Child; Double-Blind Method; Helium; Humans; Oxygen; Randomized Controlled Trials as Topic; Treatment Outcome | 2003 |
Heliox for asthma in the emergency department: a review of the literature.
Topics: Airway Obstruction; Algorithms; Anti-Asthmatic Agents; Asthma; Croup; Drug Therapy, Combination; Emergencies; Helium; Humans; Hypoxia; Lung Diseases, Obstructive; Oxygen | 2004 |
Best evidence topic report. Use of heliox for acute asthma in the emergency department.
Topics: Acute Disease; Asthma; Emergencies; Emergency Service, Hospital; Evidence-Based Medicine; Helium; Humans; Oxygen; Treatment Outcome | 2004 |
Hyperpolarized gas MR imaging of the lung.
Topics: Asthma; Bronchiolitis Obliterans; Cystic Fibrosis; Forced Expiratory Volume; Helium; Humans; Isotopes; Lung; Lung Diseases; Lung Transplantation; Magnetic Resonance Imaging; Noble Gases; Pulmonary Emphysema; Smoking | 2004 |
Heliox administration in the pediatric intensive care unit: an evidence-based review.
Topics: Administration, Inhalation; Airway Obstruction; Asthma; Bronchiolitis; Child; Critical Care; Croup; Helium; Humans; Oxygen; Respiration, Artificial | 2005 |
A review of the use of heliox in the critically ill.
Topics: Airway Obstruction; Asthma; Critical Illness; Croup; Helium; Humans; Hypoxia; Oxygen; Pulmonary Disease, Chronic Obstructive; Pulmonary Gas Exchange; Ventilators, Mechanical | 2006 |
Heliox-driven albuterol nebulization for asthma exacerbations: an overview.
Topics: Adult; Aerosol Propellants; Albuterol; Asthma; Bronchodilator Agents; Child; Drug Delivery Systems; Equipment Design; Helium; Humans; Nebulizers and Vaporizers; Oxygen | 2006 |
Use of heliox in children.
Topics: Aerosols; Airway Obstruction; Asthma; Bronchiolitis; Child; Croup; Drug Delivery Systems; Equipment Design; Helium; Humans; Hypoxia; Oxygen; Work of Breathing | 2006 |
Heliox for nonintubated acute asthma patients.
Topics: Acute Disease; Adult; Asthma; Child; Double-Blind Method; Drug Combinations; Helium; Humans; Oxygen; Randomized Controlled Trials as Topic; Treatment Outcome | 2006 |
Use of helium-oxygen mixture in adult patients presenting with exacerbations of asthma and chronic obstructive pulmonary disease: a systematic review.
Topics: Adult; Asthma; Cross-Over Studies; Forced Expiratory Volume; Helium; Humans; Nebulizers and Vaporizers; Oxygen; Peak Expiratory Flow Rate; Pulmonary Disease, Chronic Obstructive; Randomized Controlled Trials as Topic; Respiration, Artificial; Work of Breathing | 2007 |
Pathophysiology of dyspnea in chronic obstructive pulmonary disease: a roundtable.
Topics: Animals; Asthma; Biomechanical Phenomena; Bronchodilator Agents; Dyspnea; Exercise Tolerance; Helium; Humans; Hypoxia; Life Style; Neural Pathways; Oxygen; Oxygen Inhalation Therapy; Physical Exertion; Pulmonary Disease, Chronic Obstructive; Respiratory Function Tests; Respiratory Mechanics | 2007 |
Clinical use of Heliox in asthma and COPD.
Topics: Airway Resistance; Asthma; Helium; Humans; Oxygen; Oxygen Inhalation Therapy; Pulmonary Disease, Chronic Obstructive | 2007 |
[Heliox in acute severe asthma].
Topics: Acute Disease; Asthma; Helium; Humans; Oxygen; Severity of Illness Index | 2007 |
Novel therapies for children with severe asthma.
Topics: Adult; Asthma; Child; Continuous Positive Airway Pressure; Helium; Humans; Oxygen | 2008 |
[Use of helium-oxygen mixture for the diagnosis of obstructive bronchial disease].
Topics: Asthma; Bronchitis; Bronchospirometry; Helium; Humans; Maximal Expiratory Flow-Volume Curves; Oxygen | 1984 |
Heliox in children with airway obstruction.
Topics: Airway Obstruction; Asthma; Child; Helium; Humans; Infant; Male; Oxygen; Respiratory Insufficiency | 1997 |
Management of respiratory failure in patients with asthma.
Topics: Administration, Inhalation; Albuterol; Asthma; Bronchodilator Agents; Calcium Channel Blockers; Glucocorticoids; Helium; Humans; Hypercapnia; Intubation, Intratracheal; Ipratropium; Lung; Magnesium Sulfate; Masks; Oxygen; Oxygen Inhalation Therapy; Respiration; Respiratory Insufficiency; Theophylline | 2000 |
[Use of the helium-oxygen mixture in pneumology practice].
Topics: Adult; Asthma; Child; Helium; Humans; Hypoxia; Lung Diseases; Lung Diseases, Obstructive; Models, Biological; Oxygen; Pneumothorax; Respiration; Respiration Disorders; Respiratory Distress Syndrome; Respiratory Function Tests; Respiratory Therapy | 1999 |
Helium-oxygen mixture for nonintubated acute asthma patients.
Topics: Acute Disease; Adult; Asthma; Child; Double-Blind Method; Helium; Humans; Oxygen; Randomized Controlled Trials as Topic; Single-Blind Method; Treatment Outcome | 2001 |
Ventilatory management of patients with severe asthma.
Topics: Asthma; Helium; Humans; Intubation, Intratracheal; Oxygen; Panic Disorder; Positive-Pressure Respiration; Respiration, Artificial; Work of Breathing | 2001 |
When conventional asthma therapies fail.
Topics: Adult; Anesthetics; Asthma; Helium; Humans; Life Support Care; Oxygen; Treatment Failure | 2001 |
Aerosol and inhaled therapy in treatment of acute adult airway obstruction in the emergency department.
Topics: Acute Disease; Administration, Inhalation; Adrenal Cortex Hormones; Adrenergic beta-Agonists; Adult; Aerosols; Airway Obstruction; Anti-Asthmatic Agents; Asthma; Cholinergic Antagonists; Critical Care; Emergency Service, Hospital; Emergency Treatment; Female; Helium; Humans; Male; Oxygen; Respiration, Artificial; Sensitivity and Specificity; Severity of Illness Index | 2001 |
Assessment of changes in airway calibre I. Tests of forced expiration.
Topics: Airway Resistance; Animals; Asthma; Forced Expiratory Flow Rates; Helium; Humans; Maximal Expiratory Flow Rate; Peak Expiratory Flow Rate; Pulmonary Ventilation; Reference Values; Spirometry | 1979 |
[Use of the optic quantum generators (lasers) in therapeutic medicine].
Topics: Adult; Aged; Arthritis; Asthma; Blood Coagulation; Blood Pressure; Burns; Dose-Response Relationship, Radiation; Female; Fractures, Bone; Helium; Humans; Hypertension; Laser Therapy; Male; Middle Aged; Neon; Radiation Dosage; Respiration | 1974 |
27 trial(s) available for helium and Asthma
| Article | Year |
|---|---|
Measures of ventilation heterogeneity mapped with hyperpolarized helium-3 MRI demonstrate a T2-high phenotype in asthma.
Topics: Asthma; Helium; Humans; Isotopes; Lung; Magnetic Resonance Imaging; Phenotype | 2021 |
Hyperpolarized (3) He and (129) Xe MRI: differences in asthma before bronchodilation.
Topics: Administration, Inhalation; Adolescent; Adult; Albuterol; Asthma; Bronchodilator Agents; Contrast Media; Female; Helium; Humans; Isotopes; Lung; Magnetic Resonance Imaging; Male; Middle Aged; Radiopharmaceuticals; Reproducibility of Results; Sensitivity and Specificity; Treatment Outcome; Xenon Isotopes; Young Adult | 2013 |
Evaluation of lung function and deposition of aerosolized bronchodilators carried by heliox associated with positive expiratory pressure in stable asthmatics: a randomized clinical trial.
Topics: Adolescent; Adult; Aerosols; Aged; Analysis of Variance; Anti-Asthmatic Agents; Asthma; Bronchodilator Agents; Drug Carriers; Forced Expiratory Volume; Helium; Humans; Ipratropium; Lung; Middle Aged; Nebulizers and Vaporizers; Oxygen; Positive-Pressure Respiration; Radiopharmaceuticals; Technetium Tc 99m Pentetate; Vital Capacity; Young Adult | 2013 |
Effect of heliox- and air-driven nebulized bronchodilator therapy on lung function in patients with asthma.
Topics: Administration, Inhalation; Adrenergic beta-2 Receptor Agonists; Adult; Aerosol Propellants; Aged; Albuterol; Asthma; Bronchodilator Agents; Compressed Air; Cross-Over Studies; Equipment Design; Female; Forced Expiratory Volume; Helium; Humans; Lebanon; Lung; Male; Maximal Midexpiratory Flow Rate; Middle Aged; Nebulizers and Vaporizers; Oxygen; Severity of Illness Index; Spirometry; Treatment Outcome; Vital Capacity | 2014 |
Heliox and forward-leaning posture improve the efficacy of nebulized bronchodilator in acute asthma: a randomized trial.
Topics: Acute Disease; Adult; Asthma; Bronchodilator Agents; Emergency Service, Hospital; Female; Fenoterol; Forced Expiratory Volume; Helium; Humans; Ipratropium; Male; Nebulizers and Vaporizers; Oxygen; Oxygen Inhalation Therapy; Peak Expiratory Flow Rate; Posture | 2011 |
The effect of heliox-driven bronchodilator aerosol therapy on pulmonary function tests in patients with asthma.
Topics: Adult; Aerosols; Asthma; Bronchodilator Agents; Cross-Over Studies; Female; Helium; Humans; Ipratropium; Male; Oxygen; Prospective Studies; Respiratory Function Tests | 2002 |
Inhaling beta(2)-agonist with heliox-driven in bronchial asthma.
Topics: Adrenergic beta-Agonists; Adult; Asthma; Bronchodilator Agents; Female; Fenoterol; Helium; Humans; Male; Middle Aged; Oxygen | 2003 |
Beneficial effects of albuterol therapy driven by heliox versus by oxygen in severe asthma exacerbation.
Topics: Administration, Inhalation; Adult; Albuterol; Asthma; Bronchodilator Agents; Double-Blind Method; Dyspnea; Female; Helium; Humans; Logistic Models; Male; Nebulizers and Vaporizers; Oxygen; Respiratory Function Tests; Treatment Outcome | 2005 |
Deposition pattern of heliox-driven bronchodilator aerosol in the airways of stable asthmatics.
Topics: Administration, Inhalation; Adult; Aerosol Propellants; Albuterol; Asthma; Biological Availability; Bronchodilator Agents; Female; Helium; Humans; Infant, Newborn; Lung; Lung Volume Measurements; Male; Oxygen; Prospective Studies; Radionuclide Imaging; Spirometry; Technetium Tc 99m Pentetate | 2005 |
Helium/oxygen-driven albuterol nebulization in the treatment of children with moderate to severe asthma exacerbations: a randomized, controlled trial.
Topics: Acute Disease; Adrenergic beta-Agonists; Aerosols; Albuterol; Asthma; Bronchodilator Agents; Child; Emergency Service, Hospital; Female; Helium; Humans; Male; Nebulizers and Vaporizers; Oximetry; Oxygen; Respiratory Function Tests; Single-Blind Method | 2005 |
Albuterol nebulized in heliox in the initial ED treatment of pediatric asthma: a blinded, randomized controlled trial.
Topics: Administration, Inhalation; Adolescent; Albuterol; Asthma; Bronchodilator Agents; Child; Child, Preschool; Emergency Service, Hospital; Female; Helium; Humans; Male; Nebulizers and Vaporizers; Oxygen; Single-Blind Method; Treatment Outcome | 2006 |
The variability of regional airflow obstruction within the lungs of patients with asthma: assessment with hyperpolarized helium-3 magnetic resonance imaging.
Topics: Adult; Airway Obstruction; Asthma; Bronchial Provocation Tests; Bronchoconstrictor Agents; Female; Helium; Humans; Lung; Magnetic Resonance Imaging; Methacholine Chloride; Middle Aged; Radioisotopes; Radiopharmaceuticals; Spirometry | 2007 |
Heliox improves pulsus paradoxus and peak expiratory flow in nonintubated patients with severe asthma.
Topics: Adult; Aged; Airway Resistance; Asthma; Blood Pressure; Female; Helium; Humans; Male; Middle Aged; Oxygen; Peak Expiratory Flow Rate; Respiratory Mechanics; Work of Breathing | 1995 |
Evaluation of heliox in children hospitalized with acute severe asthma. A randomized crossover trial.
Topics: Acute Disease; Adolescent; Asthma; Child; Child, Preschool; Cross-Over Studies; Double-Blind Method; Female; Forced Expiratory Volume; Helium; Humans; Male; Maximal Midexpiratory Flow Rate; Oxygen; Peak Expiratory Flow Rate; Predictive Value of Tests; Prospective Studies; Vital Capacity | 1996 |
Body plethysmographic measurement of thoracic gas volume without panting against a shutter.
Topics: Adolescent; Adult; Air Pressure; Airway Resistance; Asthma; Functional Residual Capacity; Helium; Humans; Indicator Dilution Techniques; Lung Diseases, Obstructive; Lung Volume Measurements; Middle Aged; Plethysmography, Whole Body; Respiratory Mechanics; Thorax | 1996 |
Effects of bronchomotor tone and gas density on time dependence of forced expiratory vital capacity maneuver.
Topics: Adult; Aged; Albuterol; Asthma; Bronchodilator Agents; Female; Helium; Humans; Lung Diseases, Obstructive; Male; Middle Aged; Respiration; Respiratory Function Tests | 1996 |
Use of heliox-driven nebulizer therapy in the treatment of acute asthma.
Topics: Adolescent; Adrenergic beta-Agonists; Adult; Aged; Albuterol; Asthma; Female; Forced Expiratory Volume; Helium; Humans; Male; Middle Aged; Nebulizers and Vaporizers; Oxygen; Peak Expiratory Flow Rate; Prospective Studies; Single-Blind Method; Vital Capacity | 1999 |
The effect of heliox in acute severe asthma: a randomized controlled trial.
Topics: Adult; Asthma; Dyspnea; Female; Helium; Humans; Hypoxia; Male; Oxygen; Peak Expiratory Flow Rate; Prospective Studies; Treatment Outcome | 1999 |
Inhaled heliox does not benefit ED patients with moderate to severe asthma.
Topics: Adolescent; Adult; Algorithms; Asthma; Emergency Treatment; Female; Helium; Humans; Hypoxia; Male; Oxygen; Peak Expiratory Flow Rate; Prospective Studies | 2000 |
Helium-oxygen breathing in the early emergency care of acute severe asthma: a randomized pilot study.
Topics: Acute Disease; Adult; Asthma; Emergency Treatment; Female; Helium; Humans; Male; Middle Aged; Oxygen Inhalation Therapy; Pilot Projects; Severity of Illness Index; Time Factors; Treatment Outcome | 2000 |
[The effect of inhaled nitric oxide and helium-oxygen mixture on the pulmonary function of asthmatics].
Topics: Administration, Inhalation; Adult; Aged; Asthma; Female; Helium; Humans; Male; Middle Aged; Nitric Oxide; Oxygen; Pulmonary Ventilation | 1999 |
Prospective randomized trial of heliox-driven continuous nebulizers in the treatment of asthma in the emergency department.
Topics: Adolescent; Adult; Asthma; Double-Blind Method; Female; Forced Expiratory Volume; Helium; Humans; Hypoxia; Male; Middle Aged; Nebulizers and Vaporizers; Oxygen; Peak Expiratory Flow Rate; Prospective Studies; Treatment Outcome | 2002 |
The utility of albuterol nebulized with heliox during acute asthma exacerbations.
Topics: Administration, Inhalation; Adult; Albuterol; Asthma; Drug Combinations; Emergencies; Female; Forced Expiratory Volume; Helium; Humans; Male; Nebulizers and Vaporizers; Oxygen; Spirometry; Statistics, Nonparametric | 2002 |
Influence of bronchomotor tone on ventilation distribution and airway closure in asymptomatic asthma.
Topics: Adult; Asthma; Bronchi; Clinical Trials as Topic; Female; Helium; Humans; Isoproterenol; Lung Volume Measurements; Male; Middle Aged; Nitrogen; Pulmonary Ventilation; Smoking | 1976 |
Relaxation decreases large-airway but not small-airway asthma.
Topics: Adult; Asthma; Biofeedback, Psychology; Bronchial Provocation Tests; Desensitization, Psychologic; Electromyography; Female; Forced Expiratory Flow Rates; Helium; Humans; Male; Methacholine Chloride; Methacholine Compounds; Middle Aged; Oxygen; Relaxation Therapy; Spirometry | 1986 |
Calculation of the VD/VT ratio by the helium washout technique.
Topics: Asthma; Carbon Dioxide; Helium; Humans; Lung Diseases, Obstructive; Methods; Pulmonary Fibrosis; Respiratory Dead Space | 1986 |
The time-course of response to prednisolone in chronic bronchial asthma.
Topics: Administration, Oral; Adult; Aged; Airway Obstruction; Airway Resistance; Asthma; Clinical Trials as Topic; Electrocardiography; Female; Helium; Humans; Indicator Dilution Techniques; Lung; Male; Middle Aged; Placebos; Plethysmography, Whole Body; Prednisolone; Radiography; Spirometry; Time Factors; Vital Capacity | 1974 |
156 other study(ies) available for helium and Asthma
| Article | Year |
|---|---|
Mucus Plugs in Asthma at CT Associated with Regional Ventilation Defects at
Topics: Asthma; Female; Helium; Humans; Lung; Magnetic Resonance Imaging; Male; Mucus; Respiration Disorders; Tomography, X-Ray Computed | 2022 |
Heliox as Adjunctive Therapy for Pediatric Critical Asthma: Time to Question Its Role?
Topics: Asthma; Child; Combined Modality Therapy; Helium; Humans; Oxygen | 2022 |
Nonidentical Twins With Asthma: Spatially Matched CT Airway and MRI Ventilation Abnormalities.
Topics: Airway Remodeling; Asthma; Bronchi; Female; Forced Expiratory Volume; Helium; Humans; Isotopes; Lung; Magnetic Resonance Imaging; Middle Aged; Pulmonary Ventilation; Respiratory Function Tests; Tomography, X-Ray Computed; Twins, Dizygotic | 2019 |
Safety of repeated hyperpolarized helium 3 magnetic resonance imaging in pediatric asthma patients.
Topics: Adolescent; Asthma; Child; Female; Helium; Humans; Isotopes; Lung; Magnetic Resonance Imaging; Male; Retrospective Studies | 2020 |
Ventilation defects on hyperpolarized helium-3 MRI in asthma are predictive of 2-year exacerbation frequency.
Topics: Adult; Asthma; Biomarkers; Disease Progression; Female; Follow-Up Studies; Helium; Humans; Isotopes; Lung; Magnetic Resonance Imaging; Male; Middle Aged; Prognosis; Respiratory Function Tests; Severity of Illness Index; Young Adult | 2020 |
Hyperpolarized noble gas MRI of the chest in asthma: No longer an answer in need of a question.
Topics: Asthma; Helium; Humans; Magnetic Resonance Imaging | 2021 |
Heliox for Pediatric Critical Asthma: A Multicenter, Retrospective, Registry-Based Descriptive Study.
Topics: Asthma; Child; Helium; Humans; Oxygen; Prospective Studies; Registries; Retrospective Studies | 2022 |
Regional Ventilation Changes in the Lung: Treatment Response Mapping by Using Hyperpolarized Gas MR Imaging as a Quantitative Biomarker.
Topics: Adult; Aged; Albuterol; Algorithms; Asthma; Biomarkers; Bronchodilator Agents; Female; Helium; Humans; Image Processing, Computer-Assisted; Lung; Lung Volume Measurements; Magnetic Resonance Imaging; Male; Middle Aged; Retrospective Studies; Young Adult | 2017 |
Calculated ventilation and effort distribution as a measure of respiratory disease and Heliox effectiveness.
Topics: Asthma; Finite Element Analysis; Helium; Humans; Lung; Models, Biological; Oxygen; Pulmonary Ventilation | 2017 |
Ventilation defect percent in helium-3 magnetic resonance imaging as a biomarker of severe outcomes in asthma.
Topics: Asthma; Female; Helium; Humans; Isotopes; Lung; Magnetic Resonance Imaging; Male; Pulmonary Ventilation | 2018 |
Regional Heterogeneity of Lobar Ventilation in Asthma Using Hyperpolarized Helium-3 MRI.
Topics: Adolescent; Adult; Asthma; Female; Helium; Humans; Isotopes; Lung; Magnetic Resonance Imaging; Male; Middle Aged; Pulmonary Ventilation; Severity of Illness Index; Tomography, X-Ray Computed; Young Adult | 2018 |
Small airways dysfunction: the link between allergic rhinitis and allergic asthma.
Topics: Adult; Asthma; Breath Tests; Case-Control Studies; Female; Forced Expiratory Volume; Helium; Humans; Hypersensitivity; Lung; Male; Middle Aged; Nitric Oxide; Prospective Studies; Rhinitis, Allergic; Spirometry; Sputum; Sulfur Hexafluoride; Young Adult | 2018 |
Free-breathing Pulmonary MR Imaging to Quantify Regional Ventilation.
Topics: Adult; Aged; Aged, 80 and over; Asthma; Female; Healthy Volunteers; Helium; Humans; Hydrogen; Image Interpretation, Computer-Assisted; Lung Volume Measurements; Magnetic Resonance Imaging; Male; Middle Aged; Proof of Concept Study; Pulmonary Gas Exchange; Reproducibility of Results; Respiration; Respiratory Function Tests; Retrospective Studies; Young Adult | 2018 |
Comparison of CT ventilation imaging and hyperpolarised gas MRI: effects of breathing manoeuvre.
Topics: Adult; Algorithms; Asthma; Breath Holding; Female; Helium; Humans; Hydrogen; Image Processing, Computer-Assisted; Isotopes; Lung; Magnetic Resonance Imaging; Male; Middle Aged; Pulmonary Ventilation; Respiration; Time Factors; Tomography, X-Ray Computed | 2019 |
Hyperpolarized Helium 3 MRI in Mild-to-Moderate Asthma: Prediction of Postbronchodilator Reversibility.
Topics: Adult; Asthma; Bronchial Provocation Tests; Bronchodilator Agents; Female; Follow-Up Studies; Helium; Humans; Isotopes; Longitudinal Studies; Lung; Magnetic Resonance Imaging; Male; Middle Aged; Predictive Value of Tests | 2019 |
Insights on Asthma by Using Hyperpolarized Helium 3 MRI.
Topics: Asthma; Helium; Humans; Lung; Magnetic Resonance Imaging | 2019 |
Volatile anesthetic rescue therapy in children with acute asthma: innovative but costly or just costly?.
Topics: Adolescent; Adrenergic beta-2 Receptor Agonists; Albuterol; Anesthesia, Inhalation; Anesthetics, Inhalation; Anti-Bacterial Agents; Asthma; Bronchodilator Agents; Child; Child, Preschool; Disease Progression; Extracorporeal Membrane Oxygenation; Female; Helium; Hospital Charges; Humans; Intensive Care Units, Pediatric; Ipratropium; Length of Stay; Male; Neuromuscular Blocking Agents; Oxygen; Pneumonia, Aspiration; Respiration, Artificial; Retrospective Studies | 2013 |
Semiautomatic segmentation of ventilated airspaces in healthy and asthmatic subjects using hyperpolarized 3He MRI.
Topics: Adult; Algorithms; Asthma; Case-Control Studies; Computational Biology; Female; Forced Expiratory Volume; Helium; Humans; Image Interpretation, Computer-Assisted; Isotopes; Lung; Magnetic Resonance Imaging; Male; Respiratory Function Tests; Spirometry; Young Adult | 2013 |
What are ventilation defects in asthma?
Topics: Adult; Airway Obstruction; Asthma; Bronchi; Bronchial Provocation Tests; Female; Helium; Humans; Lung; Magnetic Resonance Imaging; Male; Methacholine Chloride; Middle Aged; Plethysmography; Pulmonary Ventilation; Spirometry; Tomography, X-Ray Computed; Young Adult | 2014 |
Using helium-oxygen to improve regional deposition of inhaled particles: mechanical principles.
Topics: Administration, Inhalation; Aerosols; Asthma; Case-Control Studies; Cross-Over Studies; Gases; Helium; Humans; Inhalation; Lung; Models, Biological; Organotechnetium Compounds; Oxygen Inhalation Therapy; Particle Size; Radiopharmaceuticals; Serum Albumin; Tomography, Emission-Computed, Single-Photon | 2014 |
Assessment of regional lung function with multivolume (1)H MR imaging in health and obstructive lung disease: comparison with (3)He MR imaging.
Topics: Adult; Aged; Asthma; Case-Control Studies; Female; Helium; Humans; Hydrogen; Lung Volume Measurements; Magnetic Resonance Imaging; Male; Middle Aged; Pulmonary Disease, Chronic Obstructive; Pulmonary Emphysema; Respiratory Function Tests | 2014 |
Regional ventilation changes in severe asthma after bronchial thermoplasty with (3)He MR imaging and CT.
Topics: Adult; Asthma; Catheter Ablation; Female; Helium; Humans; Magnetic Resonance Imaging; Male; Middle Aged; Respiratory Function Tests; Tomography, X-Ray Computed; Treatment Outcome | 2015 |
The allergist's role in treating acute asthma: is it time to reenter the hospital?
Topics: Asthma; Helium; Hospitalization; Humans; Oxygen; Standard of Care | 2014 |
Pulmonary functional magnetic resonance imaging: asthma temporal-spatial maps.
Topics: Adolescent; Adult; Asthma; Contrast Media; Female; Helium; Humans; Image Enhancement; Image Interpretation, Computer-Assisted; Isotopes; Lung; Magnetic Resonance Imaging; Male; Middle Aged; Pulmonary Gas Exchange; Radiopharmaceuticals; Reproducibility of Results; Sensitivity and Specificity; Spatio-Temporal Analysis; Young Adult | 2014 |
Characterization of acinar airspace involvement in asthmatic patients by using inert gas washout and hyperpolarized (3)helium magnetic resonance.
Topics: Asthma; Case-Control Studies; Diffusion Magnetic Resonance Imaging; Female; Helium; Humans; Male; Middle Aged; Patient Outcome Assessment; Phenotype; Respiratory Function Tests; Risk Factors | 2016 |
Principal findings of systematic reviews of acute asthma treatment in childhood.
Topics: Administration, Inhalation; Adolescent; Adrenal Cortex Hormones; Adrenergic beta-2 Receptor Agonists; Anti-Asthmatic Agents; Asthma; Bronchodilator Agents; Child; Child, Preschool; Chronic Disease; Drug Administration Schedule; Drug Therapy, Combination; Emergency Service, Hospital; Helium; Humans; Infant; Ipratropium; Leukotriene Antagonists; Nebulizers and Vaporizers; Oxygen; Randomized Controlled Trials as Topic; Review Literature as Topic | 2015 |
Comparison of CT-based Lobar Ventilation with 3He MR Imaging Ventilation Measurements.
Topics: Adult; Aged; Asthma; Eosinophilia; Female; Helium; Humans; Lung Volume Measurements; Magnetic Resonance Imaging; Male; Middle Aged; Respiratory Function Tests; Sputum; Tomography, X-Ray Computed | 2016 |
Quantifying the shape of maximal expiratory flow-volume curves in healthy humans and asthmatic patients.
Topics: Adult; Asthma; Cardiovascular Agents; Exercise; Exercise Test; Female; Helium; Humans; Male; Maximal Expiratory Flow-Volume Curves; Oxygen; Retrospective Studies; Spirometry | 2016 |
Effects of a helium/oxygen mixture on individuals' lung function and metabolic cost during submaximal exercise for participants with obstructive lung diseases.
Topics: Administration, Inhalation; Adult; Aged; Asthma; Exercise; Exercise Tolerance; Female; Forced Expiratory Volume; Helium; Humans; Male; Middle Aged; Oxygen; Pulmonary Disease, Chronic Obstructive; Spirometry | 2015 |
Clinical correlates of lung ventilation defects in asthmatic children.
Topics: Adolescent; Asthma; Child; Child, Preschool; Female; Forced Expiratory Volume; Helium; Humans; Immunoglobulin E; Isotopes; Magnetic Resonance Imaging; Male; Pulmonary Ventilation; Risk Factors; Severity of Illness Index; Vital Capacity | 2016 |
Linking Ventilation Heterogeneity Quantified via Hyperpolarized 3He MRI to Dynamic Lung Mechanics and Airway Hyperresponsiveness.
Topics: Adult; Asthma; Case-Control Studies; Demography; Female; Helium; Humans; Lung; Magnetic Resonance Imaging; Male; Middle Aged; Pulmonary Ventilation; Respiratory Function Tests; Respiratory Hypersensitivity; Young Adult | 2015 |
Second-order Texture Measurements of (3)He Ventilation MRI: Proof-of-concept Evaluation of Asthma Bronchodilator Response.
Topics: Administration, Inhalation; Adult; Albuterol; Area Under Curve; Asthma; Bronchial Provocation Tests; Bronchodilator Agents; Female; Forced Expiratory Volume; Helium; Humans; Image Enhancement; Isotopes; Lung; Magnetic Resonance Imaging; Male; Maximal Midexpiratory Flow Rate; Middle Aged; Residual Volume; Respiration; Respiratory Function Tests; ROC Curve; Signal-To-Noise Ratio; Spirometry; Total Lung Capacity; Vital Capacity | 2016 |
Redistribution of inhaled hyperpolarized 3He gas during breath-hold differs by asthma severity.
Topics: Adolescent; Adult; Aged; Asthma; Breath Holding; Female; Helium; Humans; Lung; Magnetic Resonance Imaging; Male; Middle Aged; Pulmonary Ventilation; Respiration; Young Adult | 2016 |
Regional Ventilation and Aerosol Deposition with Helium-Oxygen in Bronchoconstricted Asthmatic Lungs.
Topics: Administration, Inhalation; Adolescent; Aerosols; Asthma; Bronchoconstriction; Bronchoconstrictor Agents; Drug Carriers; Female; Gases; Helium; Humans; Imaging, Three-Dimensional; Inhalation; Isotonic Solutions; Lung; Male; Methacholine Chloride; Models, Biological; Nebulizers and Vaporizers; Oxygen; Positron Emission Tomography Computed Tomography; Pulmonary Ventilation; Sodium Chloride; Tissue Distribution; Young Adult | 2016 |
Hyperpolarized 3He magnetic resonance imaging ventilation defects in asthma: relationship to airway mechanics.
Topics: Adult; Airway Resistance; Asthma; Bronchial Provocation Tests; Computer Simulation; Female; Forced Expiratory Volume; Helium; Humans; Isotopes; Lung; Magnetic Resonance Imaging; Male; Middle Aged; Models, Anatomic; Models, Biological; Plethysmography; Predictive Value of Tests; Pulmonary Ventilation; Respiratory Function Tests; Respiratory Mechanics; Severity of Illness Index; Spirometry; Young Adult | 2016 |
In the Midst of Turbulence, Heliox Kept Her Alive.
Topics: Administration, Inhalation; Adult; Anxiety; Asthma; Bronchodilator Agents; Dyspnea; Female; Helium; Humans; Noninvasive Ventilation; Oxygen; Pressure | 2017 |
The difference in ventilation heterogeneity between asthmatic and healthy subjects quantified using hyperpolarized 3He MRI.
Topics: Adult; Anti-Asthmatic Agents; Asthma; Bronchoconstrictor Agents; Female; Helium; Humans; Magnetic Resonance Imaging; Male; Methacholine Chloride; Middle Aged; Pilot Projects; Pulmonary Ventilation; Respiratory Function Tests; Young Adult | 2009 |
[Helium-sevoflurane association: a rescue treatment in case of acute severe asthma].
Topics: Acidosis, Respiratory; Acute Disease; Anesthetics, Inhalation; Asthma; Bronchial Spasm; Drug Combinations; Female; Helium; Humans; Hypercapnia; Intubation, Intratracheal; Methyl Ethers; Middle Aged; Sevoflurane; Ventilators, Mechanical | 2009 |
Changes in regional airflow obstruction over time in the lungs of patients with asthma: evaluation with 3He MR imaging.
Topics: Adolescent; Adult; Analysis of Variance; Asthma; Female; Helium; Humans; Lung; Magnetic Resonance Imaging; Male; Severity of Illness Index; Spirometry; Statistics, Nonparametric | 2009 |
A robust protocol for regional evaluation of methacholine challenge in mouse models of allergic asthma using hyperpolarized 3He MRI.
Topics: Animals; Asthma; Bronchoalveolar Lavage Fluid; Bronchoconstriction; Cell Count; Disease Models, Animal; Drug Delivery Systems; Heart Rate; Helium; Imaging, Three-Dimensional; Infusion Pumps; Lung; Magnetic Resonance Imaging; Methacholine Chloride; Mice; Ovalbumin; Pulmonary Ventilation; Reproducibility of Results; Time Factors | 2009 |
Three-dimensional imaging of ventilation dynamics in asthmatics using multiecho projection acquisition with constrained reconstruction.
Topics: Adult; Algorithms; Asthma; Contrast Media; Echo-Planar Imaging; Female; Helium; Humans; Image Enhancement; Image Interpretation, Computer-Assisted; Imaging, Three-Dimensional; Isotopes; Male; Middle Aged; Pulmonary Gas Exchange; Reproducibility of Results; Sensitivity and Specificity; Young Adult | 2009 |
Images in paediatrics: a tight airway.
Topics: Adolescent; Asthma; Diagnosis, Differential; Helium; Humans; Male; Multiple Trauma; Oxygen; Tomography, X-Ray Computed; Tracheal Stenosis; Tracheostomy | 2010 |
Quantitative analysis of hyperpolarized 3He ventilation changes in mice challenged with methacholine.
Topics: Administration, Inhalation; Algorithms; Animals; Asthma; Contrast Media; Helium; Image Enhancement; Isotopes; Magnetic Resonance Imaging; Methacholine Chloride; Mice; Mice, Inbred C57BL; Reproducibility of Results; Sensitivity and Specificity | 2010 |
Feature analysis of hyperpolarized helium-3 pulmonary MRI: a study of asthmatics versus nonasthmatics.
Topics: Asthma; Computer Simulation; Helium; Humans; Lung; Magnetic Resonance Imaging; Radiography; Reference Standards; Respiratory Function Tests; Spirometry | 2010 |
Helium in the treatment of asthma.
Topics: Asthma; Helium; Humans; Respiratory Therapy | 1946 |
Posture perfect: the role of positioning during bronchodilator administration with oxygen or heliox.
Topics: Asthma; Bronchodilator Agents; Helium; Humans; Nebulizers and Vaporizers; Oxygen; Posture | 2011 |
Ventilation-based segmentation of the lungs using hyperpolarized (3)He MRI.
Topics: Administration, Inhalation; Asthma; Automation; Case-Control Studies; Cystic Fibrosis; Female; Helium; Humans; Image Processing, Computer-Assisted; Lung; Magnetic Resonance Imaging; Male; Pulmonary Gas Exchange; Pulmonary Ventilation; Sensitivity and Specificity | 2011 |
Hyperpolarized 3He magnetic resonance functional imaging semiautomated segmentation.
Topics: Adolescent; Adult; Aged; Algorithms; Analysis of Variance; Asthma; Cystic Fibrosis; Female; Helium; Humans; Image Enhancement; Image Interpretation, Computer-Assisted; Magnetic Resonance Imaging; Male; Middle Aged; Pulmonary Disease, Chronic Obstructive; Reproducibility of Results; Respiratory Function Tests | 2012 |
Effects of corticosteroid treatment on airway inflammation, mechanics, and hyperpolarized ³He magnetic resonance imaging in an allergic mouse model.
Topics: Adrenal Cortex Hormones; Airway Resistance; Animals; Asthma; Bronchial Provocation Tests; Bronchoalveolar Lavage Fluid; Bronchoconstriction; Bronchoconstrictor Agents; Dexamethasone; Disease Models, Animal; Elasticity; Helium; Hypersensitivity; Isotopes; Lung; Magnetic Resonance Imaging; Male; Methacholine Chloride; Mice; Mice, Inbred BALB C; Models, Biological; Ovalbumin; Pulmonary Ventilation; Respiratory Mechanics | 2012 |
Are all airways equal?
Topics: Adrenal Cortex Hormones; Animals; Asthma; Dexamethasone; Helium; Hypersensitivity; Lung; Magnetic Resonance Imaging; Male; Respiratory Mechanics | 2012 |
Regional pulmonary response to a methacholine challenge using hyperpolarized (3)He magnetic resonance imaging.
Topics: Adult; Airway Resistance; Albuterol; Asthma; Bronchial Provocation Tests; Bronchoconstriction; Bronchoconstrictor Agents; Female; Helium; Humans; Lung; Magnetic Resonance Imaging; Male; Methacholine Chloride; Middle Aged; Pulmonary Ventilation; Respiratory Function Tests; Young Adult | 2012 |
Pulmonary 3He magnetic resonance imaging of childhood asthma.
Topics: Asthma; Child; Female; Helium; Humans; Isotopes; Lung; Magnetic Resonance Imaging; Male; Pulmonary Ventilation; Respiratory Sounds | 2013 |
Use of heliox to avoid intubation in a child with acute severe asthma and hypercapnia.
Topics: Acute Disease; Asthma; Blood Gas Analysis; Child; Female; Helium; Humans; Hypercapnia; Intubation, Intratracheal; Oxygen | 2003 |
Heliox redux.
Topics: Asthma; Helium; Humans; Oxygen; Patient Selection; Respiratory Therapy | 2003 |
Effects of helium-oxygen on respiratory mechanics, gas exchange, and ventilation-perfusion relationships in a porcine model of stable methacholine-induced bronchospasm.
Topics: Acute Disease; Animals; Asthma; Bronchial Spasm; Bronchoconstrictor Agents; Disease Models, Animal; Helium; Methacholine Chloride; Oxygen Inhalation Therapy; Pulmonary Gas Exchange; Respiration, Artificial; Respiratory Mechanics; Swine; Treatment Outcome; Ventilation-Perfusion Ratio | 2003 |
Polarized helium: changing our view of asthma.
Topics: Animals; Asthma; Bronchial Hyperreactivity; Helium; Humans; Lung; Magnetic Resonance Imaging; Mice | 2003 |
Imaging the lungs in asthmatic patients by using hyperpolarized helium-3 magnetic resonance: assessment of response to methacholine and exercise challenge.
Topics: Adolescent; Adult; Asthma; Bronchoconstrictor Agents; Exercise Test; Helium; Humans; Lung; Magnetic Resonance Imaging; Methacholine Chloride | 2003 |
Peripheral airway involvement in asthma assessed by single-breath SF6 and He washout.
Topics: Adrenergic beta-Agonists; Adult; Airway Obstruction; Asthma; Breath Tests; Bronchi; Bronchial Provocation Tests; Cold Temperature; Female; Forced Expiratory Volume; Helium; Humans; Hyperventilation; Male; Respiratory System; Severity of Illness Index; Sulfur Hexafluoride | 2003 |
Helium-oxygen therapy for pediatric acute severe asthma requiring mechanical ventilation.
Topics: Acute Disease; Adolescent; Age Factors; Asthma; Carbon Dioxide; Child; Child, Preschool; Helium; Humans; Hydrogen-Ion Concentration; Infant; Intensive Care Units, Pediatric; Length of Stay; Oxygen; Respiration, Artificial; Respiratory Function Tests; Retrospective Studies; Time Factors | 2003 |
Take a deep breath.
Topics: Animals; Asthma; Emphysema; Gases; Helium; Humans; Isotopes; Lung; Magnetic Resonance Imaging; Mice; Xenon Isotopes | 2003 |
The effect of helium-oxygen mixtures on pulmonary function in asthmatic patients.
Topics: Arsenicals; Asthma; Cell Respiration; Helium; Humans; Oxygen; Respiration | 1955 |
[DETERMINATION OF THE RESIDUAL AIR IN CHRONIC NONSPECIFIC PULMONARY DISEASES (THE HELIUM METHOD)].
Topics: Asthma; Bronchitis; Helium; Lung Diseases; Pulmonary Emphysema; Pulmonary Fibrosis; Respiratory Function Tests | 1964 |
Acute workup of vocal cord dysfunction.
Topics: Administration, Inhalation; Asthma; Helium; Humans; Laryngeal Diseases; Oxygen; Vocal Cords | 2003 |
Helium-oxygen for asthma.
Topics: Acute Disease; Asthma; Helium; Humans; Oxygen; Practice Guidelines as Topic | 2005 |
Regional variation in ICU care for pediatric patients with asthma.
Topics: Anti-Asthmatic Agents; Asthma; Child; Cohort Studies; Critical Care; Excitatory Amino Acid Antagonists; Female; Guideline Adherence; Helium; Humans; Intensive Care Units, Pediatric; Ketamine; Male; Oxygen; Practice Guidelines as Topic; Practice Patterns, Physicians'; Respiration, Artificial; Retrospective Studies; Severity of Illness Index; United States | 2005 |
Hyperpolarized 3He MRI in asthma measurements of regional ventilation following allergic sensitization and challenge in mice--preliminary results.
Topics: Animals; Asthma; Bronchi; Bronchial Provocation Tests; Female; Helium; Immunization; Inflammation; Isotopes; Lung; Magnetic Resonance Imaging; Mice; Mice, Inbred BALB C; Pulmonary Ventilation; Respiratory Hypersensitivity | 2005 |
Evaluation of asthma with hyperpolarized helium-3 MRI: correlation with clinical severity and spirometry.
Topics: Adolescent; Adult; Airway Obstruction; Asthma; Forced Expiratory Volume; Helium; Humans; Image Enhancement; Image Processing, Computer-Assisted; Isotopes; Lung; Magnetic Resonance Imaging; Male; Maximal Midexpiratory Flow Rate; Spirometry; Statistics as Topic; Vital Capacity | 2006 |
Room air entrainment during beta-agonist delivery with heliox.
Topics: Adrenergic beta-Agonists; Air; Airway Resistance; Albuterol; Asthma; Dose-Response Relationship, Drug; Drug Delivery Systems; Helium; Humans; In Vitro Techniques; Models, Biological; Nebulizers and Vaporizers; Oxygen; Pulmonary Gas Exchange; Tidal Volume | 2006 |
Respiratory controversies in the critical care setting. Should heliox be used for mechanically ventilated patients?
Topics: Asthma; Combined Modality Therapy; Contraindications; Helium; Humans; Length of Stay; Nebulizers and Vaporizers; Oxygen; Pulmonary Disease, Chronic Obstructive; Respiration, Artificial; Respiratory Function Tests | 2007 |
3He MRI in mouse models of asthma.
Topics: Animals; Asthma; Disease Models, Animal; Helium; Magnetic Resonance Imaging; Mice; Mice, Inbred BALB C; Mice, Inbred C57BL | 2007 |
The effects of Heliox on the output and particle-size distribution of salbutamol using jet and vibrating mesh nebulizers.
Topics: Administration, Inhalation; Albuterol; Asthma; Bronchodilator Agents; Drug Carriers; Equipment Design; Gases; Helium; Humans; Nebulizers and Vaporizers; Oxygen; Particle Size; Pulmonary Disease, Chronic Obstructive; Vibration | 2007 |
Airway contribution to alveolar nitric oxide in healthy subjects and stable asthma patients.
Topics: Adult; Algorithms; Asthma; Bronchi; Diffusion; Forced Expiratory Volume; Helium; Humans; Linear Models; Luminescence; Male; Middle Aged; Models, Statistical; Nitric Oxide; Oxygen; Pulmonary Alveoli; Respiratory Physiological Phenomena; Respiratory System | 2008 |
Extending the range of diffusion times for regional measurement of the 3He ADC in human lungs.
Topics: Asthma; Diffusion Magnetic Resonance Imaging; Helium; Humans; Image Processing, Computer-Assisted; Isotopes; Lung; Male; Phantoms, Imaging | 2008 |
Evaluation of structure-function relationships in asthma using multidetector CT and hyperpolarized He-3 MRI.
Topics: Administration, Inhalation; Adult; Asthma; Bronchoscopy; Female; Helium; Humans; Isotopes; Magnetic Resonance Imaging; Male; Respiratory Function Tests; Retrospective Studies; Statistics, Nonparametric; Tomography, X-Ray Computed | 2008 |
Investigation of hyperpolarized 3He magnetic resonance imaging utility in examining human airway diameter behavior in asthma through comparison with high-resolution computed tomography.
Topics: Administration, Inhalation; Adult; Algorithms; Asthma; Bronchi; Female; Functional Residual Capacity; Helium; Humans; Image Enhancement; Image Processing, Computer-Assisted; Isotopes; Magnetic Resonance Imaging; Male; Middle Aged; Radiographic Image Enhancement; Respiratory Function Tests; Tomography, X-Ray Computed; Trachea | 2008 |
Central versus peripheral airway obstruction in bronchial responsiveness due to exercise.
Topics: Adolescent; Adrenergic beta-Agonists; Asthma; Asthma, Exercise-Induced; Bronchi; Bronchial Provocation Tests; Child; Helium; Humans; Maximal Expiratory Flow-Volume Curves; Oxygen; Parasympatholytics; Time Factors | 1982 |
[Studies of helium flow-volume curves in asthmatic children. Part 1. The relationship between the site of airway obstruction in exercise-induced asthma and the inhibitory effect of an alpha-adrenoreceptor blocking agent].
Topics: Adolescent; Adrenergic alpha-Antagonists; Age Factors; Asthma; Asthma, Exercise-Induced; Child; Environmental Exposure; Female; Helium; Humans; Male; Maximum Allowable Concentration | 1982 |
Site of action of ipratropium bromide and clinical and physiological determinants of response in patients with asthma.
Topics: Adult; Aged; Asthma; Atropine Derivatives; Female; Helium; Humans; Ipratropium; Lung Volume Measurements; Male; Middle Aged; Oxygen; Peak Expiratory Flow Rate; Pulmonary Ventilation | 1981 |
[Gated study of ventilation with 81mKr gas--distribution of air and He + O2 mixed gas].
Topics: Adult; Air; Asthma; Forced Expiratory Flow Rates; Helium; Humans; Krypton; Male; Maximal Expiratory Flow-Volume Curves; Oxygen; Radioisotopes | 1984 |
[Effect of a helium-oxygen mixture on maximal expiratory flow rate in children with bronchial asthma].
Topics: Adolescent; Asthma; Child; Female; Forced Expiratory Flow Rates; Helium; Humans; Male; Maximal Expiratory Flow Rate; Oxygen | 1984 |
[Study on maximal expiratory flow-volume curves with 80% helium-20% oxygen mixture].
Topics: Adult; Asthma; Forced Expiratory Flow Rates; Helium; Humans; Lung Diseases, Obstructive; Maximal Expiratory Flow-Volume Curves; Oxygen | 1983 |
[Helium flow-volume curve in asthmatic children. Part II. A study on helium flow-volume curve during attacks and during attack-free periods].
Topics: Adolescent; Asthma; Child; Female; Forced Expiratory Flow Rates; Forced Expiratory Volume; Helium; Humans; Lung Volume Measurements; Male; Maximal Expiratory Flow-Volume Curves; Maximal Midexpiratory Flow Rate; Respiratory Tract Infections | 1983 |
Pulmonary function in severe chronic asthma in children during apparent clinical remission.
Topics: Adolescent; Asthma; Child; Female; Forced Expiratory Volume; Helium; Humans; Lung; Male; Maximal Expiratory Flow-Volume Curves; Peak Expiratory Flow Rate; Vital Capacity | 1983 |
[Effect of breathing low density gas on the maximal midexpiratory flow rate in patients with bronchial asthma].
Topics: Adult; Aerosols; Asthma; Helium; Humans; Maximal Expiratory Flow-Volume Curves; Maximal Midexpiratory Flow Rate; Middle Aged; Oxygen; Respiration | 1983 |
Reproducibility of maximum flows in air and He-O2 and of delta Vmax50 in the assessment of the site of airflow limitation.
Topics: Adult; Aged; Air; Airway Obstruction; Asthma; Female; Forced Expiratory Flow Rates; Helium; Humans; Male; Maximal Expiratory Flow Rate; Maximal Expiratory Flow-Volume Curves; Middle Aged; Oxygen | 1980 |
Density-dependence of flow-volume curves: limitations and applicability.
Topics: Airway Resistance; Animals; Asthma; Asthma, Exercise-Induced; Forced Expiratory Flow Rates; Helium; Humans; Lung Diseases, Obstructive; Maximal Expiratory Flow Rate; Oxygen; Smoking | 1982 |
Nasal conductance and effective airway diameter.
Topics: Airway Resistance; Asthma; Child; Female; Helium; Humans; Male; Manometry; Nasal Cavity; Pulmonary Ventilation; Rhinitis, Allergic, Seasonal; Sulfur Hexafluoride | 1982 |
Reassessment of lung volume measurement by helium dilution and by body plethysmography in chronic air-flow obstruction.
Topics: Adult; Aged; Airway Resistance; Asthma; Female; Helium; Humans; Lung Diseases, Obstructive; Lung Volume Measurements; Male; Middle Aged; Plethysmography, Whole Body; Total Lung Capacity | 1982 |
Diurnal variation of air and helium-oxygen flow-volume curves in asthmatic children.
Topics: Adolescent; Air; Asthma; Circadian Rhythm; Female; Forced Expiratory Volume; Helium; Humans; Lung; Male; Maximal Expiratory Flow-Volume Curves; Oxygen; Spirometry; Vital Capacity | 1982 |
Use of lung pressure-volume curves and helium-sulphur hexafluoride washout to detect emphysema in subjects with mild airflow obstruction.
Topics: Asthma; Breath Tests; Diagnosis, Differential; Helium; Humans; Lung Volume Measurements; Male; Pulmonary Emphysema; Pulmonary Ventilation; Sulfur Hexafluoride | 1981 |
Moment analysis of the flow-time curve after breathing gases of different densities.
Topics: Adult; Asthma; Female; Forced Expiratory Flow Rates; Helium; Humans; Lung; Male; Oxygen; Sulfur Hexafluoride | 1981 |
The site of airflow limitation in asthma: the effect of time, acute exacerbations of disease and clinical features.
Topics: Adult; Aged; Asthma; Female; Forced Expiratory Flow Rates; Helium; Humans; Male; Middle Aged; Oxygen; Prospective Studies; Vital Capacity | 1981 |
Reproducibility of flow rates measured with low density gas mixtures in exercise-induced bronchospasm.
Topics: Adult; Asthma; Asthma, Exercise-Induced; Female; Helium; Humans; Lung; Male; Maximal Expiratory Flow Rate; Respiratory Function Tests | 1981 |
Is extrathoracic airway obstruction important in asthma?
Topics: Adolescent; Adult; Aged; Airway Obstruction; Asthma; Chemical Phenomena; Chemistry, Physical; Female; Helium; Humans; Male; Middle Aged; Oxygen; Pressure; Pulmonary Ventilation; Respiratory Function Tests | 1980 |
Heliox therapy for acute vocal cord dysfunction.
Topics: Acute Disease; Asthma; Helium; Humans; Laryngeal Diseases; Oxygen; Vocal Cords | 1995 |
Heliox for asthma. A trial balloon.
Topics: Asthma; Helium; Humans; Oxygen | 1995 |
Heliox therapy in acute severe asthma.
Topics: Acidosis, Respiratory; Acute Disease; Adult; Asthma; Female; Helium; Humans; Male; Oxygen | 1995 |
Asthma: a new look at helium therapy.
Topics: Administration, Inhalation; Adolescent; Asthma; Female; Helium; Humans; Oxygen Inhalation Therapy; Respiration, Artificial | 1994 |
[Pulsed hypoxia in the treatment of obstructive lung diseases].
Topics: Adult; Aged; Asthma; Bronchitis; Female; Helium; Humans; Hypoxia; Lung Diseases, Obstructive; Male; Middle Aged; Nitrogen; Oxygen; Oxygen Inhalation Therapy; Remission Induction | 1993 |
Flow limitation while breathing HeO2.
Topics: Adult; Asthma; Forced Expiratory Flow Rates; Helium; Humans; Lung; Male; Maximal Expiratory Flow-Volume Curves; Oxygen; Respiration | 1993 |
[Use of a helium-oxygen mixture in a mobile emergency unit].
Topics: Adolescent; Adult; Aged; Ambulances; Asthma; Child; Child, Preschool; Helium; Humans; Middle Aged; Oxygen | 1993 |
Deposition in asthmatics of particles inhaled in air or in helium-oxygen.
Topics: Administration, Inhalation; Adult; Aerosols; Air; Asthma; Female; Helium; Humans; Indium Radioisotopes; Lung; Male; Middle Aged; Oxygen; Particle Size; Polytetrafluoroethylene; Spirometry; Time Factors | 1993 |
The use of heliox and the laryngeal mask airway in a child with an anterior mediastinal mass.
Topics: Anesthesia, General; Asthma; Child, Preschool; Helium; Humans; Laryngeal Masks; Male; Mediastinal Diseases; Oxygen | 1996 |
HELIOX in children with acute severe asthma.
Topics: Adolescent; Airway Resistance; Anti-Asthmatic Agents; Asthma; Child; Cross-Over Studies; Double-Blind Method; Dyspnea; Forced Expiratory Volume; Helium; Humans; Oxygen; Peak Expiratory Flow Rate; Randomized Controlled Trials as Topic; Status Asthmaticus; Treatment Outcome | 1997 |
Lung air spaces: MR imaging evaluation with hyperpolarized 3He gas.
Topics: Administration, Inhalation; Adult; Aged; Asthma; Female; Helium; Humans; Image Processing, Computer-Assisted; Isotopes; Lasers; Lung; Magnetic Resonance Imaging; Male; Middle Aged; Observer Variation; Oxygen; Pulmonary Emphysema; Respiration; Rhinitis, Allergic, Seasonal; Smoking | 1999 |
Heliox for acute severe asthma.
Topics: Acute Disease; Administration, Inhalation; Asthma; Helium; Humans; Hypoxia; Oxygen; Peak Expiratory Flow Rate; Treatment Outcome | 2000 |
Heliox effect or rapid-onset acute severe asthma.
Topics: Acute Disease; Administration, Inhalation; Airway Obstruction; Asthma; Dyspnea; Helium; Humans; Hypoxia; Oxygen; Peak Expiratory Flow Rate | 2000 |
Trials and tribulations of the asthmatic patient.
Topics: Adolescent; Anti-Inflammatory Agents; Asthma; Child; Drug Hypersensitivity; Dyspnea; Emergency Treatment; Female; Helium; Humans; Male; Mandatory Reporting; Oxygen; Steroids; Treatment Refusal | 2000 |
Hyperpolarized 3He MR lung ventilation imaging in asthmatics: preliminary findings.
Topics: Adult; Asthma; Female; Helium; Humans; Image Enhancement; Image Processing, Computer-Assisted; Isotopes; Magnetic Resonance Imaging; Male; Observer Variation; Pulmonary Gas Exchange; Spirometry | 2001 |
[The experimental and clinical study of heliox in treating bronchial asthma].
Topics: Adult; Aged; Airway Resistance; Animals; Asthma; Bronchoconstriction; Dogs; Helium; Humans; Lung Compliance; Male; Methacholine Chloride; Middle Aged; Oxygen; Random Allocation; Respiration, Artificial; Respiratory Function Tests | 1998 |
Hyperpolarized noble gas MR imaging of the lung: potential clinical applications.
Topics: Asthma; Cystic Fibrosis; Helium; Isotopes; Lung; Lung Diseases; Lung Transplantation; Magnetic Resonance Imaging; Noble Gases; Pulmonary Emphysema; Respiration; Xenon Isotopes | 2001 |
Hyperpolarized helium 3 diffusion imaging of the lung.
Topics: Asthma; Contrast Media; Helium; Humans; Lung Diseases, Obstructive; Magnetic Resonance Imaging; Pulmonary Disease, Chronic Obstructive; Pulmonary Emphysema; Pulmonary Ventilation | 2002 |
Analysis of exhaled nitric oxide by the helium bolus method.
Topics: Adult; Aged; Asthma; Breath Tests; Female; Helium; Humans; Male; Middle Aged; Nitric Oxide | 2002 |
[The site of airway obstruction in bronchial asthma and the effect of an anticholinergic bronchodilator (SCH 1000) (author's transl)].
Topics: Adult; Airway Obstruction; Airway Resistance; Asthma; Atropine Derivatives; Female; Helium; Humans; Ipratropium; Male; Middle Aged; Pulmonary Ventilation; Respiratory Function Tests | 1979 |
"Small airways disease" in children: no test is best.
Topics: Adolescent; Adult; Asthma; Child; Cystic Fibrosis; Female; Helium; Humans; Lung; Male; Nitrogen; Respiratory Function Tests | 1979 |
Density dependence of the maximal expiratory flow volume curves in normal and asthmatic children.
Topics: Adolescent; Asthma; Child; Female; Forced Expiratory Flow Rates; Helium; Humans; Immunoglobulin E; Lung Volume Measurements; Male; Maximal Expiratory Flow-Volume Curves; Oxides | 1979 |
Physiological patterns in early morning asthma.
Topics: Adult; Aged; Albuterol; Asthma; Circadian Rhythm; Helium; Humans; Lung; Middle Aged; Respiratory Function Tests | 1977 |
[Asthma: only a bronchial disease? (author's transl)].
Topics: Airway Obstruction; Airway Resistance; Asthma; Bronchodilator Agents; Forced Expiratory Flow Rates; Forced Expiratory Volume; Helium; Humans; Lung; Lung Volume Measurements; Physical Exertion | 1978 |
Lung mechanics following antigen challenge of Ascaris suum-sensitive rhesus monkeys.
Topics: Airway Resistance; Animals; Antigens; Ascariasis; Ascaris; Asthma; Disease Models, Animal; Haplorhini; Helium; Humans; Lung; Lung Compliance; Lung Diseases; Lung Volume Measurements; Macaca mulatta; Pressure | 1976 |
[Unequal ventilation: phenomenon of trapped helium].
Topics: Asthma; Bronchitis; Helium; Humans; Oxygen Consumption; Pulmonary Alveoli; Thermal Conductivity; Ventilation-Perfusion Ratio | 1977 |
Dyspnea in divers at 49.5 ATA: mechanical, not chemical in origin.
Topics: Adult; Asthma; Atmosphere Exposure Chambers; Atmospheric Pressure; Blood Gas Analysis; Blood Pressure; Carbon Dioxide; Diving; Dyspnea; Heart Rate; Helium; Humans; Male; Naval Medicine; Oxygen Consumption; Physical Exertion; Respiration; Spirometry | 1977 |
Simultaneous washout of helium and sulfur hexafluoride in healthy subjects and patients with chronic bronchitis, bronchial asthma, and emphysema.
Topics: Adult; Aged; Asthma; Bronchitis; Fluorides; Functional Residual Capacity; Helium; Humans; Male; Middle Aged; Pulmonary Emphysema; Pulmonary Ventilation; Respiration; Sulfur | 1977 |
Effect of helium on maximal expiratory flow in patients with asthma.
Topics: Airway Resistance; Asthma; Helium; Humans; Maximal Expiratory Flow Rate | 1976 |
The influence of clinical factors on site of airway obstruction in asthma.
Topics: Adolescent; Adult; Aged; Airway Obstruction; Asthma; Bronchi; Bronchial Spasm; Bronchitis; Bronchodilator Agents; Chronic Disease; Female; Helium; Humans; Male; Maximal Expiratory Flow Rate; Maximal Expiratory Flow-Volume Curves; Middle Aged; Oxygen; Plethysmography, Whole Body; Respiratory Tract Infections; Smoking; Vital Capacity | 1976 |
Clinical relevance of the flow rate response to low density gas breathing in asthmatics.
Topics: Acute Disease; Adolescent; Adult; Aged; Airway Obstruction; Asthma; Bronchodilator Agents; Carbon Monoxide; Chronic Disease; Female; Gases; Helium; Humans; Male; Middle Aged; Oxygen; Pressure; Spirometry; Vital Capacity | 1975 |
Effect of helium on maximal expiratory flow in patients with asthma before and during induced bronchoconstriction.
Topics: Adult; Aged; Airway Obstruction; Asthma; Bronchi; Female; Forced Expiratory Flow Rates; Helium; Humans; Male; Maximal Expiratory Flow Rate; Middle Aged; Physical Exertion; Pollen; Remission, Spontaneous; Vital Capacity | 1976 |
Helium-oxygen mixtures in intubated patients with status asthmaticus and respiratory acidosis.
Topics: Acidosis, Respiratory; Adolescent; Adult; Asthma; Carbon Dioxide; Female; Helium; Humans; Intubation, Intratracheal; Male; Oxygen; Respiration, Artificial; Status Asthmaticus | 1990 |
Removal of observer variability from the determination of the volume of isoflow.
Topics: Adolescent; Asthma; Child; Female; Helium; Humans; Lung Compliance; Lung Volume Measurements; Male; Maximal Expiratory Flow-Volume Curves; Neon; Numerical Analysis, Computer-Assisted; Oxygen; Pulmonary Ventilation; Reference Standards | 1987 |
Dissociation of temperature-gradient and evaporative heat loss during cold gas hyperventilation in cold-induced asthma.
Topics: Adult; Asthma; Asthma, Exercise-Induced; Biophysical Phenomena; Biophysics; Body Temperature Regulation; Bronchi; Cold Temperature; Constriction, Pathologic; Female; Helium; Humans; Hyperventilation; Male; Middle Aged; Oxygen; Respiratory Function Tests; Sulfur Hexafluoride; Temperature | 1988 |
Abnormalities of functional residual capacity in symptomatic and asymptomatic young asthmatics.
Topics: Asthma; Child; Child, Preschool; Female; Functional Residual Capacity; Gases; Helium; Humans; Lung Volume Measurements; Male | 1988 |
Human alveolar gas-mixing efficiency for gases of differing diffusivity in health and airflow limitation.
Topics: Adult; Asthma; Bronchial Provocation Tests; Female; Functional Residual Capacity; Helium; Humans; Lung Diseases, Obstructive; Male; Plethysmography; Pulmonary Alveoli; Pulmonary Ventilation; Reference Values; Respiratory Dead Space; Sulfur Hexafluoride; Tidal Volume | 1987 |
[Use of helium and oxygen mixtures in status asthmaticus].
Topics: Adult; Asthma; Blood Gas Analysis; Helium; Humans; Hydrogen-Ion Concentration; Hypoventilation; Middle Aged; Oxygen Inhalation Therapy; Status Asthmaticus; Work of Breathing | 1987 |
Density dependence of maximal expiratory air flow in asthmatics with exacerbation of their disease.
Topics: Adolescent; Adult; Asthma; Female; Forced Expiratory Flow Rates; Forced Expiratory Volume; Helium; Humans; Male; Maximal Expiratory Flow Rate; Methylprednisolone; Middle Aged; Oxygen; Peak Expiratory Flow Rate; Respiratory Function Tests | 1987 |
Site of airflow obstruction during early and late phase asthmatic responses to allergen bronchoprovocation.
Topics: Adult; Asthma; Bronchial Provocation Tests; Female; Forced Expiratory Volume; Helium; Humans; Male; Oxygen; Time Factors | 1985 |
[Correction of changes in hemodynamics and blood oxygen transport in patients with bronchopulmonary diseases using heliox].
Topics: Adolescent; Adult; Asthma; Helium; Hemodynamics; Humans; Middle Aged; Oxygen; Respiratory Therapy | 1985 |
Maximal expiratory flow and lung volume changes associated with exercise-induced asthma in children and the effect of breathing a low-density gas mixture.
Topics: Adolescent; Albuterol; Asthma; Atmospheric Pressure; Child; Helium; Humans; Lung; Oxygen; Physical Exertion; Plethysmography; Pulmonary Ventilation; Rheology; Spirometry; Vital Capacity | 1974 |
[Functional criteria of disodium cromoglycate effects. Value of the measurement of the dynamic respiratory work].
Topics: Adult; Aged; Airway Resistance; Asthma; Cromolyn Sodium; Female; Helium; Humans; Lung; Lung Compliance; Male; Middle Aged; Oxygen; Pulmonary Circulation; Respiratory Dead Space; Respiratory Function Tests; Spirometry | 1972 |
Use of water vapor in the treatment of lower respiratory disease.
Topics: Aerosols; Air Microbiology; Antisepsis; Asthma; Bronchial Spasm; Bronchiolitis, Viral; Child; Cystic Fibrosis; Helium; Humans; Pseudomonas Infections; Respiratory Function Tests; Respiratory Therapy; Respiratory Tract Diseases; Spirometry; Water | 1974 |
Functional assessment during recovery from severe asthma.
Topics: Acute Disease; Adolescent; Adult; Aged; Asthma; Convalescence; Female; Helium; Humans; Isoproterenol; Male; Middle Aged; Spirometry | 1973 |
Single breath transfer factor measured concurrently by two methods in asthmatic and normal subjects.
Topics: Adolescent; Adult; Aged; Asthma; Female; Helium; Humans; Indicator Dilution Techniques; Male; Mathematics; Middle Aged; Pulmonary Alveoli; Pulmonary Diffusing Capacity; Spirometry | 1974 |
Site of airway obstruction in asthma as determined by measuring maximal expiratory flow breathing air and a helium-oxygen mixture.
Topics: Adolescent; Adult; Aged; Air; Airway Obstruction; Airway Resistance; Asthma; Bronchitis; Female; Helium; Humans; Male; Middle Aged; Oxygen; Respiratory System; Spirometry | 1972 |
Noisy breathing.
Topics: Airway Obstruction; Airway Resistance; Asthma; Auscultation; Bronchitis; Helium; Humans; Lung; Noise; Oscillometry; Physical Exertion; Pulmonary Ventilation; Respiration | 1973 |
Lung volume changes in asthma measured concurrently by two methods.
Topics: Adult; Airway Resistance; Asthma; Female; Helium; Humans; Lung; Male; Methods; Plethysmography; Plethysmography, Whole Body | 1973 |
Lung volume changes in asthma measured concurrently by two methods.
Topics: Adolescent; Adult; Asthma; Child; Female; Helium; Humans; Indicator Dilution Techniques; Lung; Male; Methods; Middle Aged; Plethysmography, Whole Body; Pulmonary Ventilation; Respiratory Function Tests; Vital Capacity | 1971 |
Breath sounds.
Topics: Adult; Airway Resistance; Asthma; Atropine; Bronchi; Bronchitis; Helium; Humans; Isoproterenol; Laryngectomy; Physical Exertion; Pulmonary Emphysema; Respiration; Sound; Spirometry; Trachea | 1971 |
[Functional differentiation of airway obstruction by whole body plethysmography].
Topics: Airway Obstruction; Asthma; Bronchoscopy; Chronic Disease; Diagnosis, Differential; Helium; Humans; Metaproterenol; Plethysmography; Plethysmography, Whole Body; Pulmonary Emphysema; Radiography; Radioisotopes; Respiratory Function Tests; Spirometry; Ventilation-Perfusion Ratio | 1971 |
The nature of the increased lung volume in asthma.
Topics: Asthma; Helium; Humans; Radiography; Vital Capacity | 1971 |
Lung volume indices of airway obstruction: a suggestion for a new combined index.
Topics: Airway Obstruction; Airway Resistance; Asthma; Bronchitis; Helium; Humans; Plethysmography; Pulmonary Ventilation; Spirometry; Vital Capacity | 1971 |
Pulmonary diffusing capacity, membrane diffusing capacity, and capillary blood volume in children with intractable asthma with and without chronic overinflation of the lungs.
Topics: Adolescent; Asthma; Blood Cells; Blood Volume; Capillaries; Capillary Permeability; Carbon Monoxide; Child; Female; Helium; Humans; Male; Oxygen; Respiration; Respiratory Function Tests; Steroids | 1966 |
Intrapulmonary gas distribution. A comparison of the helium mixing time and nitrogen single breath test in normal and diseased subjects.
Topics: Adult; Age Factors; Asthma; Bronchitis; Cardiovascular Diseases; Chronic Disease; Female; Helium; Humans; Lung; Male; Middle Aged; Nitrogen; Respiratory Function Tests; Respiratory Tract Diseases; Spirometry | 1970 |
Lung volume changes following treatment with corticosteroids in patients with bronchial asthma.
Topics: Adrenal Cortex Hormones; Adult; Asthma; Female; Helium; Humans; Lung; Male; Methods; Middle Aged; Respiration; Spirometry | 1970 |
Pulmonary function in bronchial asthma.
Topics: Adult; Asthma; Blood Gas Analysis; Bronchi; Bronchitis; Carbon Dioxide; Carbon Monoxide; Emphysema; Female; Helium; Humans; Lung; Male; Metaproterenol; Middle Aged; Oxygen; Plethysmography; Respiratory Function Tests; Spirometry | 1968 |
Evaluation of a single-breath method of measuring total lung capacity.
Topics: Adult; Asthma; Child; Helium; Humans; Lung; Lung Diseases; Male; Methods; Plethysmography; Spirometry | 1968 |
Diffusion of gases within the lungs of patients with chronic obstructive pulmonary disease.
Topics: Asthma; Chronic Disease; Diffusion; Helium; Lung; Pulmonary Alveoli; Pulmonary Emphysema; Respiration; Respiratory Insufficiency; Spirometry | 1968 |
Comparison of the components of diffusing capacity utilizing the effective alveolar volume in patients with emphysema and chronic asthma.
Topics: Adult; Asthma; Blood Volume; Capillaries; Cell Membrane Permeability; Chronic Disease; Diffusion; Female; Helium; Hematocrit; Hemoglobinometry; Humans; Lung; Male; Middle Aged; Pulmonary Alveoli; Pulmonary Emphysema; Respiration; Respiratory Function Tests | 1968 |
Distribution function of the clearance time constant in lungs.
Topics: Adult; Aged; Asthma; Helium; Humans; Lung; Mathematics; Middle Aged; Pulmonary Emphysema; Pulmonary Fibrosis; Spirometry; Tuberculosis, Pulmonary | 1966 |