| 左房机械功能对持续性心房颤动电复律术后疗效的影响 |
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| 引用本文： | 雷汉东,宋明才,张稳柱,李琦,李建辉,李健豪,梁嘉永,陈国钦.左房机械功能对持续性心房颤动电复律术后疗效的影响[J].中国心脏起搏与心电生理杂志,2011,25(2):133-135. |
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| 作者姓名： | 雷汉东 宋明才 张稳柱 李琦 李建辉 李健豪 梁嘉永 陈国钦 |
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| 作者单位： | 1. 广州市番禺区中心医院心血管内科,广东广州,511400
2. 广州市番禺区中心医院超声科,广东广州,511400 |
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| 摘 要： | 目的探讨左房机械功能对持续性心房颤动(简称房颤)电复律术后疗效影响。方法选择30例持续性房颤成功电复律患者,应用超声心动图测定其电复律术后48 h静息时窦性心律(简称窦律)下最大二尖瓣口面积、A波速度峰值(PMA),E波速度峰值(PME),计算左房射血力,测量左房内径,随访2个月,分析左房机械功能指标与持续性房颤电复律术后复发的关系。结果有11例(36.7%)患者电复律术后2个月复发,复发组左房射血力较窦律维持组明显下降(8.5±2.4)×10-5N vs(11.4±3.6)×10-5N,P=0.020〗;复发组6例左房机械功能低下,较窦律维持组(5例)显著升高(54.5%vs 26.3%,χ2=4.9,P=0.042)。而复发组左房内径有增大的趋势(37.3±4.1mm vs 34.4±4.2 mm,P=0.077)。结论左房机械功能低下是持续性房颤电复律术后近期复发的危险因素。
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| 关 键 词： | 心血管病学 心房颤动 电复律 心房功能 |
The effect of left atrial mechanical function on electrical cardioversion in patients with persistent atrial fibrillation |
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| LEI Han-dong,SONG Ming-cai,ZHANG Weng-zhu,LI Qi,LI Jiang-hui,LI Jiang-hao,LIANG Jia-yong,CHEN Guo-qin.The effect of left atrial mechanical function on electrical cardioversion in patients with persistent atrial fibrillation[J].Chinese Journal of Cardiac Pacing and Electrophysiology,2011,25(2):133-135. |
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| Authors: | LEI Han-dong SONG Ming-cai ZHANG Weng-zhu LI Qi LI Jiang-hui LI Jiang-hao LIANG Jia-yong CHEN Guo-qin |
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| Institution: | LEI Han-donga,SONG Ming-caia,ZHANG Weng-zhua,LI Qib,LI Jiang-huib,LI Jiang-haoa,LIANG Jia-yonga,CHEN Guo-qina.Department of Cardiology,Panyu Central Hospital of Guangzhou,Guangzhou 511400,China |
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| Abstract: | Objective To evaluate the effect of left atrial(LA) mechanical function on electrical cardioversion in patients with persistent atrial fibrillation(AF).Methods Thirty patients who successfully underwent electrical cardioversion were studied.At 48 hours after successfully electrical cardioversion,Echocardiographic parameters including max mitral orifice area(MVA),peak velocity of A-wave(PVA),peak velocity of E-wave(PVE) and LA diameter was measured.Meanwhile,LA ejection force(LAEF) was calculated as a indica... |
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| Keywords: | Cardiology Atrial fibrillation Electroversion Atrial function |
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