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房室旁道部位对正常房室系统传导特性的影响

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摘要 目的探讨预激综合征患者房室旁道部位与正常房室传导系统功能的相关性。方法对经过成功消融的285例单个房室旁道显性预激综合征患者旁道及房室结的传导特性进行研究。结果285例显性旁道患者中176例(62%)为左侧游离壁旁道,其他109例(38%)分别为右游离壁旁道、前间隔、后间隔旁道;男性在各部位旁道中均较多见;左游离壁旁道的始发年龄及平均手术年龄均高于其他部位旁道的始发年龄及平均手术年龄;术后13例发生房室传导阻滞(P-R≥220ms),其中8例在右侧游离壁(15%),5例在左侧游离壁(2.8%);无一例发生在间隔旁道;在PR间期、AH间期、房室结有效不应期、前传文氏点、逆传文氏点等参数均表现为右侧游离壁长于左侧游离壁,左侧游离壁长于间隔部;窦律周长与旁道部位无明显关联。结论预激综合征患者正常房室传导系统的传导特性与不同旁道部位相关。
作者 陈萍
出处 《广东医学》 CAS CSCD 北大核心 2010年第7期891-892,共2页 Guangdong Medical Journal
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