Page last updated: 2024-11-06

phentolamine and Hypertension, Portal

phentolamine has been researched along with Hypertension, Portal in 12 studies

Phentolamine: A nonselective alpha-adrenergic antagonist. It is used in the treatment of hypertension and hypertensive emergencies, pheochromocytoma, vasospasm of RAYNAUD DISEASE and frostbite, clonidine withdrawal syndrome, impotence, and peripheral vascular disease.
phentolamine : A substituted aniline that is 3-aminophenol in which the hydrogens of the amino group are replaced by 4-methylphenyl and 4,5-dihydro-1H-imidazol-2-ylmethyl groups respectively. An alpha-adrenergic antagonist, it is used for the treatment of hypertension.

Hypertension, Portal: Abnormal increase of resistance to blood flow within the hepatic PORTAL SYSTEM, frequently seen in LIVER CIRRHOSIS and conditions with obstruction of the PORTAL VEIN.

Research Excerpts

ExcerptRelevanceReference
"Anaphylactic shock is sometimes life-threatening, and it is accompanied by hepatic venoconstriction in animals, which, in part, accounts for anaphylactic hypotension."1.39Alpha-adrenoceptor antagonists and chemical sympathectomy exacerbate anaphylaxis-induced hypotension, but not portal hypertension, in anesthetized rats. ( Kurata, Y; Shibamoto, T; Tanida, M; Wang, M, 2013)
"When phentolamine was used in combination with pituitrin no side effect was found in hepatic and systemic hemodynamics."1.28[Effect of phentolamine in combination with pituitrin on the hepatic and systemic hemodynamics]. ( Dan, Z, 1990)

Research

Studies (12)

TimeframeStudies, this research(%)All Research%
pre-19903 (25.00)18.7374
1990's4 (33.33)18.2507
2000's2 (16.67)29.6817
2010's2 (16.67)24.3611
2020's1 (8.33)2.80

Authors

AuthorsStudies
Huang, HC2
Chang, CC2
Pun, CK1
Tsai, MH1
Chuang, CL1
Hsu, SJ1
Huang, YH1
Hou, MC1
Lee, FY2
Wang, M1
Tanida, M1
Shibamoto, T1
Kurata, Y1
Sastre, E1
Balfagón, G1
Revuelta-López, E1
Aller, MÁ2
Nava, MP1
Arias, J2
Blanco-Rivero, J1
MENA, I2
ORREGO, H2
BARAONA, E2
MARQUES, S2
Chan, CC1
Wang, SS1
Chang, FY1
Lin, HC1
Tai, CC1
Lee, SD1
Wu, ZY1
Benoit, JN1
Zhu, J1
Leng, X1
Yin, J1
Dan, Z1
Dan, ZL1
Zhao, Q1
Li, SB1
Epstein, M1
Berk, DP1
Hollenberg, NK1
Adams, DF1
Chalmers, TC1
Abrams, HL1
Merrill, JP1

Other Studies

12 other studies available for phentolamine and Hypertension, Portal

ArticleYear
α-Adrenergic blockade prevented environmental temperature reduction-induced transient portal pressure surge in cirrhotic and portal hypertensive rats.
    Clinical science (London, England : 1979), 2022, 10-28, Volume: 136, Issue:20

    Topics: Adrenergic beta-Antagonists; Animals; Epinephrine; Esophageal and Gastric Varices; Gastrointestinal

2022
Alpha-adrenoceptor antagonists and chemical sympathectomy exacerbate anaphylaxis-induced hypotension, but not portal hypertension, in anesthetized rats.
    American journal of physiology. Regulatory, integrative and comparative physiology, 2013, Oct-15, Volume: 305, Issue:8

    Topics: Adrenergic alpha-1 Receptor Antagonists; Anaphylaxis; Animals; Hypertension, Portal; Hypotension; Li

2013
Effect of short- and long-term portal hypertension on adrenergic, nitrergic and sensory functioning in rat mesenteric artery.
    Clinical science (London, England : 1979), 2012, Volume: 122, Issue:7

    Topics: Animals; Blood Pressure; Blotting, Western; Body Weight; Calcitonin Gene-Related Peptide; Electric S

2012
[Effects of regitine and reserpine on portal hypertension].
    Revista medica de Chile, 1963, Volume: 91

    Topics: Humans; Hypertension; Hypertension, Portal; Phentolamine; Reserpine

1963
EFFECTS OF REGITINE AND RESERPINE ON PORTAL HYPERTENSION.
    The American journal of digestive diseases, 1963, Volume: 8

    Topics: Alcoholism; Ascites; Esophageal and Gastric Varices; Humans; Hypertension; Hypertension, Portal; Liv

1963
Effects of norepinephrine and acetylcholine on portal-systemic collaterals of common bile duct-ligated cirrhotic rat.
    Journal of gastroenterology and hepatology, 2005, Volume: 20, Issue:12

    Topics: Acetylcholine; Analysis of Variance; Animals; Anti-Inflammatory Agents, Non-Steroidal; Antihypertens

2005
Portal systemic collateral development: is it a trophic adaptation mechanism to hepatic deprivation?
    Journal of gastroenterology and hepatology, 2006, Volume: 21, Issue:11

    Topics: Acetylcholine; Animals; Anti-Inflammatory Agents, Non-Steroidal; Antihypertensive Agents; Collateral

2006
Effects of propranolol on intestinal microcirculation of normal and portal hypertensive rats.
    Journal of hepatology, 1995, Volume: 22, Issue:6

    Topics: Animals; Drug Administration Routes; Hemodynamics; Hypertension, Portal; Intestines; Male; Microcirc

1995
[Effect of phentolamine on portal pressure in cirrhotic patients with portal hypertension].
    Zhonghua wai ke za zhi [Chinese journal of surgery], 1997, Volume: 35, Issue:2

    Topics: Adrenergic alpha-Antagonists; Adult; Aged; Blood Pressure; Female; Heart Rate; Humans; Hypertension,

1997
[Effect of phentolamine in combination with pituitrin on the hepatic and systemic hemodynamics].
    Zhonghua yi xue za zhi, 1990, Volume: 70, Issue:7

    Topics: Animals; Dogs; Drug Therapy, Combination; Female; Hemodynamics; Hypertension, Portal; Liver Circulat

1990
The effects of the combination of phentolamine and vasopressin on hepatic and systemic hemodynamics in cirrhotic portal hypertensive dog model.
    Journal of Tongji Medical University = Tong ji yi ke da xue xue bao, 1991, Volume: 11, Issue:1

    Topics: Animals; Dogs; Drug Therapy, Combination; Esophageal and Gastric Varices; Female; Hemodynamics; Hype

1991
Renal failure in the patient with cirrhosis. The role of active vasoconstriction.
    The American journal of medicine, 1970, Volume: 49, Issue:2

    Topics: Adult; Aged; Angiography; Blood Flow Velocity; Blood Pressure; Brain Diseases; Constriction; Creatin

1970