sodium-pertechnetate-tc-99m and Graft-Occlusion--Vascular

Trapeziometacarpal osteoarthritis is associated with more pain and restrictions than other hand osteoarthritis due to the functional importance of the thumb. While the effectiveness of surgical and pharmacological interventions has been widely examined, there is a lack of specific evidence about conservative non-pharmacological trapeziometacarpal osteoarthritis therapies. The objective of this systematic review was to provide evidence-based knowledge on the effectiveness of physiotherapy and occupational therapy on pain, function and quality of life.. A literature search of Medline, CINAHL, PEDro, OTseeker, EMB Dare Cochrane Database of Systematic Reviews and Cochrane CENTRAL was performed. Randomized and quasi-randomized controlled trials and corresponding systematic reviews, observational studies, pragmatic studies and case-control studies were included. The risk of bias was assessed.. Physical and occupational therapy-related interventions, especially multimodal interventions, seem to be effective to treat pain in patients with trapeziometacarpal osteoarthritis. Pre-fabricated neoprene splints and custom-made thermoplastic splints may reduce pain equally. Single interventions seem not to be effective. Significant evidence for effectiveness on function and quality of life could not be found.. The sole Na. The SUV. Genetic variants of

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To evaluate a scintigraphic tool for intraoperative assessment of vascularized bone graft perfusion before and after transplantation.. This pilot study included three patients scheduled for surgical segmental mandibulectomy followed by reconstruction with a vascularized iliac bone graft. A continuous (99m)Tc-pertechnetate infusion was applied selectively arterial into the blood vessel supplying the respective graft before osteotomy as well as after transplantation. Perfusion was analysed by scintigrams acquired using the intraoperative camera systems declipseSPECT and Sentinella. Results were compared qualitatively.. Before harvesting the graft, intraoperative scintigraphy revealed a clearly delineated area of the iliac crest with a relatively homogenous pertechnetate distribution representing good perfusion. After osteotomy, transplantation to the mandibula and re-anastomosis of the nutrient vessels, scintigraphy in all patients showed a moderately inhomogenous distribution pattern of the pertechnetate indicating an adequate perfusion of the bone transplant through the arterial anastomosis.. Intraoperative assessment of bone graft perfusion is possible with the imaging systems Sentinella as well as with declipseSPECT using a continuous intra-arterial infusion of 99mTc-pertechnetate.

Topics: Aged; Bone Transplantation; Female; Graft Occlusion, Vascular; Humans; Male; Middle Aged; Perfusion Imaging; Sodium Pertechnetate Tc 99m; Tomography, Emission-Computed, Single-Photon; Treatment Outcome

When early complications occur after a kidney transplant, radionuclide angiography may be useful in determining a possible vascular origin. The authors describe the case of a patient with anuria continuing 24 hours after transplantation. Radionuclide angiography showed a defect at the site of the renal graft, suggestive of arterial or venous thrombosis. Contrast angiography was performed immediately but showed no vascular abnormality; neither did radionuclide angiography performed the next day. The authors concluded that a spasm at the site of the renal artery anastomosis, overcome by contrast angiography, could explain this phenomenon.

Topics: Adult; Angiography; Anuria; Contrast Media; False Positive Reactions; Female; Graft Occlusion, Vascular; Humans; Kidney Transplantation; Postoperative Complications; Radionuclide Angiography; Sodium Pertechnetate Tc 99m

Radionuclide angiography of the splenic vein (Scintiphotosplenovenography: SSV) was done in 7 patients following a distal splenorenal shunt (Warren procedure). Spleen was punctured with a 22 gauge needle under ultrasonographic guidance. One half ml of 99m TcO4- solution, which contained 10 mci of nuclide energy, was injected into the splenic parenchyma through the needle. Injected material was followed by scintillation camera. In five cases, whose esophageal varices had been endoscopically atrophic, the splenic vein, the left renal vein, the inferior vena cava and the heart were clearly viewed in a continuity within 8 seconds from the start of injection. In one case, whose varices had recurred soon after the operation, only the collaterals were delineated. Most of them seemed running upwards alongside the esophagus. In the remaining patient, whose varices had been atrophic, the splenic vein was faintly delineated within 8 seconds. However, most of the 99m TcO4- stayed at first in the spleen. Thereafter it went out into the collaterals, the lower intercostal vein and the hemiazygos vein. This method is less invasive than the conventional angiography. It can reveal not only the entire imaging of shunt flow but also the collaterals, if they exist. It seemed useful for the evaluation of shunt patency following distal splenorenal shunt.

Topics: Female; Graft Occlusion, Vascular; Humans; Male; Methods; Middle Aged; Portasystemic Shunt, Surgical; Radionuclide Imaging; Sodium Pertechnetate Tc 99m; Splenic Vein