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阵发性房颤患者环肺静脉电隔离术后左心房功能的变化 被引量:2

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摘要 目的:利用超声心动图评价阵发性心房颤动患者环肺静脉隔离术后左心房功能的变化。方法:30例阵发性房颤患者接受环肺静脉隔离导管消融治疗,分别于术前、术后1个月、术后3个月在窦性节律下行超声心动图检查,测量左心房内径指数(LADI)、左心房容积指数(LAVI)、左心房射血力(LA-AEF)、管道容积(LACV)、储存容积(LATEV)、主动排空容积(LAAEV)、二尖瓣环处舒张晚期心肌运动速度峰值Va和左心房各壁收缩期峰值应变率SRs、舒张早期峰值应变率SRe、舒张晚期峰值应变率SRa。结果:肺静脉隔离术后1个月LAAEF、LAAEV、Va降低,术后3个月明显增高。LACV术后1个月显著升高,术后3个月较术前无明显变化。LATEV术后1个月较术前无明显变化,而术后3个月时增高。LAD、LADI、LAVI于术后1个月、3个月均明显减低。术后1个月SRa在左心房各壁均减低,以后壁减低明显,术后3个月均增高。术后1个月时左心房后壁SRs较术前减低,平均SRs及其余各壁无变化,术后3个月均增高。左心房后壁SRe于术后1个月时较术前减低,余各壁及平均SRe均升高,术后3个月较术前无明显差异。结论:环肺静脉隔离术对左心房功能短期内有一定不利影响,但远期较术前明显改善。
出处 《实用医学杂志》 CAS 北大核心 2012年第24期4107-4109,共3页 The Journal of Practical Medicine
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