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zhong bi zhong ye yao ma bu tong de zu zhi fan wei dui zuo yong shi jian de ying xiang
Author(s): 
Pages: 925-926
Year: Issue:  10
Journal: THE JOURNAL OF PRACTICAL MEDICINE

Keyword:  麻醉硬膜外布比卡因;
Abstract: 目的:观察0.5%重比重布比卡因腰麻时不同阻滞平面对麻醉持续时间的影响.方法:选择40例下肢手术病人,随机分为两组.于L3~4蛛网膜下腔给予0.5%重比重布比卡因3ml(15mg)后,N组病人呈水平体位,M组病人呈头高脚低位(30°),观察两组病人感觉平面和运动阻滞消退的时间.结果:两组病人向头侧最大感觉阻滞平面分别为T3.5和T10,达到高平面阻滞的病人其感觉平面的消退,运动阻滞的恢复,手术部位痛觉的恢复均比低平面阻滞的病人快,两组病人差异有显著意义,P<0.05.结论:相同剂量浓度的重比重布比卡因液用于腰麻时严格控制平面可使作用持续时间延长.
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