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冠心病合并抑郁患者室性心律失常的研究 被引量:1

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摘要 目的研究冠心病患者抑郁与室性心律失常的关系。方法连续观察入住我科的冠心病患者,按有无抑郁分为研究组与对照组,所有患者进行24h动态心电图监测,观察两组的心率变异性(HRV)、QT离散度与室性心律失常。合并疾病、危险因素也被考虑在内。结果抑郁组患者HRV明显低于非抑郁组[(65.5±38.6)ms比(94.6±29.9)ms,P<0.05],QT离散度及校正的QT离散度明显高于对照组,阵发性室性心动过速(VT)发生率在抑郁组明显高于非抑郁组(28.5%比3.7%,P<0.01)。Logistic回归分析显示抑郁作为独立的危险因素影响室性心律失常的发生。结论抑郁是冠心病患者室性心律失常独立的危险因素,是影响冠心病预后的原因,其机制可能与影响QT离散度有关。
出处 《中国心血管杂志》 2008年第4期289-291,共3页 Chinese Journal of Cardiovascular Medicine
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