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P波离散度与心房内径、年龄的相关性研究

XINJIANG MEDICAL JOURNAL(2002)

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Abstract
目的:研究心房内径、年龄等因素对P波离散度的影响.方法:140例心脏病患者接受体表12导同步心电图检测,确定P波离散度.同时,接受心脏超声检查,测定左房内径.按P波离散度>40ms与P波离散度<40ms进行分组.结果:在pdisp>40ms与pdisp<40ms组的比较中,左房内径无显著性差异P>0.05.然而,年龄对P波离散度有明显影响,pdisp>40ms组患者的年龄明显大于pdisp<40ms组的患者,且有显著性差异(P<0.05).结论:P波离散度不受心房大小的影响,而受年龄的影响,随着年龄的增加,P波离散度增加,易发生房性心律失常.
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