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Early and mid-term results after 17 mm St.Jude Medical Regent mechanicalvalve replacement in patients with small aortic valve ring
Author(s): 
Pages: 378-380
Year: Issue:  5
Journal: Journal of Clinical Cardiology

Keyword:  心脏瓣膜 Regent机械瓣 小主动脉瓣环;
Abstract: 目的:观察小主动脉瓣环(直径17mm)患者行17mm St.Jude Medical Regent(SJM Regent)瓣膜置换术后是否存在植入瓣膜与患者不匹配现象。方法:对18例主动脉瓣环直径为17mm的患者置换17mm SJMRegent机械瓣(病例组),分别于术前、术后1周、术后3个月及术后6~12个月,采用彩色多普勒超声仪对左心功能指标进行监测,并与随机选择的同期18例置换21mm常规机械瓣的患者(对照组)进行比较。结果:2组围术期及术后12个月内均未发生心脏事件。2组术后左室舒张末期内径、左室后壁厚度、主动脉跨瓣压差等均较术前明显改善(均P<0.05),左室射血分数亦明显提高(均P<0.05),但2组间比较差异无统计学意义。结论:对于小主动脉瓣环(直径17mm)患者,置换17mm SJM Regent机械瓣后各指标已经接近或达到置换21mm常规瓣膜者,未发生植入瓣膜与患者不匹配现象,大部分小主动脉瓣环患者无需行主动脉瓣瓣环扩大术。
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