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心脏直视手术中两种主动脉排气方法的比较研究 被引量:1

心脏直视手术中两种主动脉排气方法的比较研究
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摘要 目的比较体外循环(CPB)心脏直视手术术中升主动脉开放时两种排气方法对手术操作及血液破坏的影响。方法将90例先天性心脏病和风湿性瓣膜病变手术患者作为研究对象,随机分为观察组45例采用改进密闭式排气法,对照组45例采用传统开放式排气法。观察并记录所需体外循环时间;体外循环转流前、转流中、停止转流后的尿量及血红蛋白尿发生率;主动脉开放后5~30min时段的术野溢血量;并以书面调查方式让手术医生填写该排气方法对手术操作造成的影响;术后访视有无气栓并发症发生(脑栓塞)。结果观察组较对照组所需的体外循环时间略短,但差异无显著意义(P>0.05);两组在相同时段的尿量相比差异无显著意义(P>0.05),但在体外循环后期血红蛋白尿的发生率观察组明显低于对照组(P<0.05);主动脉开放后5~30min时段的术野溢血量观察组显著低于对照组(P<0.05);观察组对手术医生的操作影响明显低于对照组(P<0.05);术后两组均无明显气栓并发症发生。结论改进密闭式主动脉排气法较传统开放式排气法更具密闭性、连续性,且制作简单,可减少术野溢血量,提高术野清晰度,给手术医生操作带来方便,并可降低对血细胞的破坏。
出处 《护士进修杂志》 北大核心 2011年第22期2070-2072,共3页 Journal of Nurses Training
关键词 心脏直视手术 排气方法 血液破坏 术野清晰度 Open heart surgery Exhaust method Blood destruction Clarity of surgical field
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