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- W2111460422 abstract "Background/Aims: The present study was aimed to evaluate the 24-hour effect of transdermal nitroglycerin on splanchnic hemodynamics in cirrhotic patients. Methods: Hemodynamic parameters (blood velocity and resistance indexes) were determined by means of pulsed echo-Doppler, a non-invasive method which proved to be useful to evaluate the effects of drugs on splanchnic vessels. Nine patients with biopsy-proven liver cirrhosis were studied. They were kept on a standard diet divided into 3 meals served at 8, 12 a.m. and 6 p.m. Echo-Doppler measurements were determined for 2 consecutive days at 7, 8, 9, 12 a.m., 1, 3, 6, 7, 9, 12 p.m. and again at 7 a.m. A transdermal nitroglycerin tape, capable of releasing 15 mg of the drug in 24 h, was applied to the skin of the chest at 7 a.m. of the second day. Results: After nitroglycerin mean portal blood velocity and flow significantly decreased by 18 and 22%. Similarly superior mesenteric artery velocity decreased, while resistance indexes increased. ANOVA analysis showed a significant effect of the drug on superior mesenteric artery and portal flow, while the effect on hepatic artery flow and renal indexes were low. Conclusions: This study shows that nitroglycerin, given as transdermal long-acting system, significantly influences portal hemodynamics in liver cirrhosis. Its use, favoured by easy administration, may be proposed for long-term clinical studies to test its efficacy in preventing gastrointestinal bleeding." @default.
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- W2111460422 date "1996-10-01" @default.
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- W2111460422 title "Transdermal nitroglycerin in cirrhosis. A 24-hour echo-Doppler study of splanchnic hemodynamics" @default.
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- W2111460422 doi "https://doi.org/10.1016/s0168-8278(96)80209-1" @default.
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