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Korean Journal of Anesthesiology 2008;54(6):662-668.
DOI: https://doi.org/10.4097/kjae.2008.54.6.662   
Effects of Propofol on Arginine Vasopressin-induced Contraction in Isolated Human Gastroepiploic Artery.
Sung Jin Lee, Seong Wan Baik, Hyeok Rae Cho, Won Sung Kim, Seung Hoon Baek
Department of Anesthesiology and Pain Medicine, Pusan National University College of Medicine, Busan, Korea. swbaik@pusan.ac.kr
Arginine vasopressin has been used by prophylactic treatment of vasodilatory shock during coronary artery bypass graft (CABG). Vasopressin may be a cause of spasm in graft artery during CABG. We evaluated the effect of propofol on vasopressin-induced contraction in human gastroepiploic artery (GEA).
Human GEA were obtained from 35 patients (43-74 yr), undergoing subtotal gastrectomy. Vasopressin-induced a concentration contractions (10(-9) to 10(-6) M) were measured after exposed to without propofol, propofol 10(-5), 10(-4), 10(-3) M. After endothelium denuding vasopressin-induced a concentration contractions were measured with or without propofol 10(-3) M in calcium free solution. In the denuded vascular rings, with or without pretreatment of glibenclamide (10(-5) M), nicorandil (10(-5) M), or diltiazem (10(-5) M) were exposed to with or without propofol 10(-3) M, and vasopressin-induced concentration contractions were measured.
Vasopressin-induced concentration contraction on human GEA was independent of functional endothelium. Propofol (10(-4), 10(-3) M) attenuated the vasopressin-induced contraction in the human GEA. Diltiazem attenuated the vasopressin-induced contraction in the human GEA. ATP-sensitive potassium channel does not affect the inhibition effect of propofol on vasopressin-induced contraction CONCLUSIONS: Usual anesthetic dose of propofol does not inhibit vasopressin-induced contraction on human GEA. High dose (>10(-4) M) propofol attenuated vasopresssi-induced contraction on GEA.
Key Words: coronary artery bypass grafting; propofol; vasopressin


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