动态心电图监测冠心病室性期前收缩的临床意义(1)
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[摘要] 目的 评价动态心电图诊断室性期前收缩的临床意义。 方法 回顾性分析我院248例动态心电图检查有室性期前收缩的患者，根据临床诊断分为研究组(122例，诊断为冠心病)和对照组(126例，诊断排除冠心病)。比较两组患者的室性期前收缩的频率、类型及QRS波时限。经临床治疗后，再比较治疗前后的上述指标。 结果 与对照组相比，研究组患者的室性期前收缩更易频发(χ2 = 21.36，P = 0.006)，且多为复杂性(χ2 = 11.42，P = 0.015)；QRS波时限明显增加(t = 2.687，P = 0.004)。与治疗前相比，研究组治疗后的室性期前收缩发生频率减少(χ2 = 10.12，P = 0.024)，且复杂性也较少(χ2 = 9.49，P = 0.033)；QRS波时限明显减少(t = 2.165，P = 0.038)。 结论 动态心电图的室性期前收缩可以对冠心病诊断有辅助价值，且能了解治疗效果。
[关键词] 动态心电图；室性期前收缩；临床价值
[中图分类号] R540.41 [文献标识码] A [文章编号] 1673-7210(2012)08(c)-0057-03
Diagnosis significance of dynamic electrocardiogram in patients with coronary artery disease ventricular extrasystole
ZHANG Wu
Department of Urinary Surgery, the People's Hospital in Anyue County in Sichuan Province, Sichuan Province, Anyue 642530, China
[Abstract] Objective To evaluate the diagnosis significance of dynamic electrocardiogram in patients with coronary artery disease ventricular extrasystole. Methods Dynamic electrocardiogram was performed in 248 patients with coronary artery disease ventricular extrasystole, and 248 patients were divided into the study group (122 cases with coronary artery disease) and the control group (126 cases without coronary artery disease) in accordance with clinical diagnosis. Then the frequency, type, and QRS duration of ventricular contraction before and after treatment were contrsted between the two groups. Results Premature ventricular beats of patients in study group was easy frequent which compared with control group (χ2 = 21 ......
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