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27例二尖瓣关闭不全瓣膜置换术后左心室功能变化分析 被引量:2

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摘要 目的分析二尖瓣关闭不全患者瓣膜置换术后左心室功能的变化并探讨其意义。方法27例二尖瓣关闭不全患者,分别于术前、术后1周、术后1个月、术后3个月、术后6个月行超声心动图检查,测定左心室舒张末期内径(LVEDd)、左心室收缩末期内径(LVESd)、左心室射血分数(LVEF)、左心室短轴缩短率(FS),并比较各指标不同时间点的变化。结果术后3个月至术后6个月LVEDd显著缩小;术后6个月LVESd显著缩小;与术前相比,LVEF术后1周至术后6个月明显下降,但与术后1周至3个月相比,术后6个月又有显著上升;FS术后1个月至6个月显著低于术前和术后1周。结论二尖瓣关闭不全患者行二尖瓣置换术后早期,左心室功能显著下降,直至术后3~6个月,左心室收缩功能才有所改善,增加心肌收缩力、降低心脏前后负荷有利于术后左心室功能的恢复。
出处 《中国医药》 2008年第3期163-164,共2页 China Medicine
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