瓣膜类型对主动脉瓣置换术后早期心功能影响的分析

目的分析主动脉瓣置换术后瓣膜类型对患者术后早期心功能的影响。方法回顾性分析在我科行主动脉瓣置换手术的68例患者,年龄23～73(48.9±11.2)岁,其中男54例,女14例。病变类型:单纯主动脉瓣狭窄5例,主动脉瓣狭窄伴关闭不全21例,单纯主动脉瓣关闭不全42例。其中53例植入机械瓣,15例植入生物瓣。结果无死亡及其他严重并发症。术后超声心动图示升主动脉内径[(37.9±5.3)vs(40.5±5.7)mm,P<0.05]较术前明显减小,术后左心室舒张末内径[(46.2±9.1)vs(58.9±11.6)mm,P<0.05]较术前明显减小,生物瓣及机械瓣两组患者术前及术后左心室舒张末内径、左心室射血分数、升主动脉直径等比较,差异无统计学意义,左心室舒张末内径和升主动脉直径的术前及术后的变化值比较,差异无统计学意义。结论主动脉瓣置换术可改善患者心功能,瓣膜的类型在主动脉瓣置换术中对心功能的改善无影响。

Analysis of Valve Type Impact on Early Heart Function after Aortic Valve Replacement

Objective To analyze the impact of valve type on early heart function after aortic valve replacement.Methods We retrospectively analyzed 68 patients who underwent aortic valve replacement.Patients were aged(48.9±11.2) years on average(range,23 to 73 years),including 54 males and 14 females.5 patients had pure aortic stenosis,21 patients pure aortic insufficiency,and 42 patients aortic stenosis with insufficiency.Among them,53 underwent mechanical valve replacement,and 15 underwent bioprosthetic valve replacement.Results No death or other serious complications.The postoperative ascending aortic diameter[(37.9±5.3)vs(40.5±5.7)mm,P<0.05]and LVEDD[(46.2±9.1)vs(58.9±11.6)mm,P<0.05]were both less than the preoperative data.Between bioprosthetic valve group and mechanical valve group,postoperative and preoperative ascending aortic diameter,LVEDD and LVEF were similar.Conclusion Aortic valve replacement can improve heart function,and valve type has no influence on the heart function improvement.