前言目的探讨改良三尖瓣下移畸形矫治术的疗效。方法①探查三尖瓣叶情况;②将后叶、隔叶以及前叶近足侧1/3-1/2的部分,沿瓣环根部将瓣叶切下;③纵行折叠房化的右心室;④将切下的瓣叶缝合于正常三尖瓣环上;⑤自体心包加固三尖瓣环;⑥必要时双孔三尖瓣成形减少反流;⑦修补其他畸形。结果患者无围术期死亡,术后均顺利恢复。术后随访1-84个月,患者恢复正常活动,心功能恢复至Ⅰ级者10例,Ⅱ级者3例。结论改良三尖瓣下移畸形矫治术较好地保持了右心室的几何形状,疗效满意。
ObjectiveToevaluatethesurgicalrepairefficacyofmodifiedmethodsondownwarddisplacementoftricuspidvalve（DDTV）.Methods①Tricuspidvalvewasexplored;②Theleafletsoftricuspidvalvewereremovedalongtricuspidannulus,includingposteriorleaflet,septalleafletand1/3-1/2lateralanteriorleaflet;③Atrializedrightventriclewaslongitudinallyplicated;④Theleafletsweresewntothenormalvalveannulus;⑤Theannuluswasreinforcedwithauto-pericardium;⑥Ifnecessary,double-orificetechniquewasus...
