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结肠镜检查前后QRS环时限改变及其意义的探讨

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摘要 目的对照冠心病患者结肠镜检查前后心电向量图QRS时间的变化,探讨该检查对冠心病患者的安全性。方法选择31例临床确诊冠心病并行结肠镜检查的患者,在结肠镜检查前后及整个过程中进行持续性VCG监护,并用计算机软件组合心电向量图和测算QRS时间的改变。结果①冠心病患者行结肠镜检查后QRS时间无改变(P>0.05),而健康对照组QRS时间缩短(P<0.01)。②用Bazett氏公式校正的QRS时间(QRSc),无论是冠心病患者还是健康对照组,检查之后均延长(P<0.01),但冠心病组延长较对照组显著(t=20.2,P<0.01)。结论心电向量图QRS时间变化可作为结肠镜检查的一项监护指标,检查后是否延长对诊断有无冠心病有一定的参考价值。
出处 《中国医刊》 CAS 2007年第2期46-47,共2页 Chinese Journal of Medicine
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参考文献5

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