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P波离散度和最大时限对阵发性心房颤动发作的预测价值 被引量:5

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摘要 目的探讨P波离散度(Pd)和P波最大时限(Pmax)对阵发性心房颤动(PAF)发作的预测价值。方法用12导联同步心电图记录方法,测定150例PAF患者非AF发作时的Pd和Pmax,并与对照组进行比较,分析上述指标对PAF发作的敏感性、特异性和阳性预测值。结果PAF组的Pd和Pmax分别为(47±8)ms和(126±12)ms,明显大于对照组(27±9)ms和(105±10)ms(P<0.01);以Pd≥40ms及Pmax≥110ms作为阳性标准两者预测PAF的敏感性为87.3%、84.0%,特异性85.5%、72.7%,阳性预测值94.2%、89.4%。两者联合应用的敏感性、特异性和阳性预测值分别是78.7%、90.9%和95.9%。结论Pd和Pmax值可用作预测PAF的心电图指标,两者联合应用可提高预测的特异性和阳性预测值。
作者 刘红源
出处 《疑难病杂志》 CAS 2009年第2期93-94,共2页 Chinese Journal of Difficult and Complicated Cases
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参考文献6

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