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56例冠心病患者的心率变异性分析

Journal of Community Medicine(2007)

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Abstract
目的了解冠心病患者的心率变异性(heart rate variability,HRV)的改变,探讨冠心病自主神经变化的临床意义。方法选择冠心病患者56例作为冠心病组,选择无冠心病者56例作为正常对照组,测定了时域和频域指标,分析冠心病组的心率变异参数,并与正常组对照。结果冠心病组24 h HRV指标明显低于正常组(P<0.05或P<0.01)。结论冠心病患者存在心血管自主神经系统功能紊乱现象,以交感神经活动占优势。
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