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本文旨在研究尼莫地平对体外循环（ＣＰＢ）不同时期脑氧代谢的影响，探讨其在ＣＰＢ中的脑保护作用。资料与方法ＡＳＡⅡ～Ⅲ级３１例择期心脏手术病人随机分为两组，对照组１１例，观察组２０例。于ＣＰＢ始将尼莫地平４０μｇ·ｋｇ－１缓注于体外循环机中。两组病人的年龄?
This article aims to study the effects of nimodipine on cerebral oxygen metabolism at different periods of cardiopulmonary bypass (CPB) and to explore its neuroprotective effects in CPB. Materials and Methods 31 patients undergoing ASA Ⅱ ~ Ⅲ grade elective cardiac surgery were randomly divided into two groups: control group (n = 11) and observation group (n = 20). At CPB, nimodipine 40 μg · kg-1 was slowly infused into the cardiopulmonary bypass machine. Two groups of patients age?