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动态心电图对老年男性阵发性心房颤动发作特点的探讨 被引量:3

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摘要 目的通过分析老年男性动态心电图记录中阵发性心房颤动的发作特点,探讨诱发老年男性阵发性心房颤动的可能因素。方法76例老年男性阵发性心房颤动患者,行动态心电图检测,并对阵发性心房颤动的发作时间、发作次数、心房颤动发作时心率的变化、诱发心房颤动的房性早搏与未诱发心房颤动的房性早搏进行对比分析。结果76例患者动态心电图检查共记录153次阵发性心房颤动。(1)阵发性心房颤动发作的高峰时间是上午6:00,其次为上午9:00,低谷时间在凌晨1:00。(2)148次阵发性心房颤动由房性早搏诱发,5次阵发性心房颤动由房性心动过速或心房扑动诱发。(3)诱发阵发性心房颤动的房性早搏前1min平均窦性心率较前1h平均窦性心率明显增快,而未诱发阵发性心房颤动的房性早搏前1min平均窦性心率与前1h平均窦性心率比较,差异无统计学意义。(4)诱发心房颤动的早搏联律间期为(428.61±44.96)ms,早搏指数为0.43±0.17;未诱发心房颤动的早搏联律间期为(509.52±97.11)ms,早搏指数为0.52±0.10,两者比较差异均有统计学意义(P〈0.01)。结论短联律间期的房性早搏是阵发性心房颤动的诱发因素,老年男性阵发性心房颤动可能与交感神经张力增强有关。
出处 《中国医师进修杂志(内科版)》 2007年第9期41-42,共2页 Chinese Journal of Postgraduates of Medicine
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