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充血性心力衰竭患者血浆BNP浓度与QTc的关系

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摘要 目的研究老年CHF患者BNP浓度与QTc的关系。方法选择2008年5月至2008年12月在我院心内科住院的慢性充血性心力衰竭患者74名。分析不同BNP浓度患者的QTc和QTd的差异;QTc及QTd与BNP浓度、左心室舒张末容积和左室射血分数的相关性。结果随着BNP水平升高,QTc及QTd增大,BNP水平大于3000pg/ml组与小于1000pg/ml组相比QTc及QTd明显增加(P〈0.01)。QTc及QTd与BNP浓度、左室舒张末期容积及左室射血分数呈直线正相关(P值均〈0.05),QTc与QTd呈直线正相关,即QTc越宽,QTd越大(P值〈0.01)。结论充血性心力衰竭患者随着BNP浓度的升高QTc延长和QTd增加。QTc及QTd与BNP、左心室舒张末期直径呈直线相关。QTc和QTd呈直线相关。
作者 葛正中
出处 《中国临床实用医学》 2010年第11期190-192,共3页 China Clinical Practical Medicine
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