THE CONTROL of portal hypertension and associated bleeding esophageal and gastric varices continues to be a major problem in emergency situations. Experience with the pharmacologic control of portal hypertension has been an outgrowth of the authors' interest in the preoperative arteriographic demonstration of intraluminal gastrointestinal bleeding1-4 and the diagnosis of advanced cirrhosis with portal hypertension and varices by selective mesenteric arteriography. Selective infusions of a variety of pharmacologic agents were made into the superior mesenteric artery in a series of dogs with experimentally constructed portal hypertension.5 These previously reported experimental infusions utilized doses of epinephrine, norepinephrine, angiotensin amide, vasopressin, and vasopressin derivatives at a much lower level than can be employed systemically to produce pharmacologic effects. Epinephrine, norepinephrine, and angiotensin amide caused a significant decrease in the flow in the superior mesenteric artery and thus decreased portal inflow, but the production of a concomitant portal venous outflow block
Nusbaum M, Baum S, Kuroda K, Blakemore WS. Control of Portal Hypertension by Selective Mesenteric Arterial Drug Infusion. Arch Surg. 1968;97(6):1005–1013. doi:10.1001/archsurg.1968.01340060183022
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