特发性室性早搏不同负荷与心脏结构和心功能关系的临床研究

The Journal of Practical Medicine(2013)

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Abstract
目的:探讨特发性室早不同负荷与心脏结构和心功能的关系。方法:经剔除后入选152例特发性室早患者,根据动态心电图结果分为高负荷组(>20%,n=65),中负荷组(10%~20%,n=58),低负荷组(<10%,n=29)。采用二维心脏超声分别测绘观察对象左室射血分数(LVEF)、左室收缩末期内径(LVESD)、左室舒张末期内径(LVEDD)及血清N-末端脑钠肽(NT-proBNP)水平。结果:室早负荷与LVEF呈直线负相关(r=-0.61,P<0.01);与LVESD(r=0.48,P<0.01)、LVEDD(r=0.67,P<0.01)、NT-proBNP(r=0.41,P<0.05)呈正相关。结论:随着室早负荷增大,左室呈现扩大趋势,心功能呈下降趋势。
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Key words
PVC burden,Idiopathic premature ventricular contractions,Cardiac function,Cardiac structure
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