房间隔缺损封堵术后右心室功能的变化The change of right ventricular function after transcatheter closure of atrial septal defect
丁建东,陆凤翔,马根山,许迪,孔祥清,陈莉,雍永宏,周蕾,杨荣,盛燕辉
摘要(Abstract)：
目的应用三维超声心动图评价经皮穿刺房间隔缺损(ASD)封堵术后右心室容量和功能的变化。方法继发孔型ASD患者58例,男24例,女34例,年龄4～67岁,平均(28.9±17.1)岁,其中23例患者成功地施行了经皮穿刺ASD封堵术[男11例,女12例,年龄6～57岁,平均(25.7±13.3)岁]。与ASD患者性别、年龄相匹配的正常人32例为对照组[男18例,女14例,年龄4～45岁,平均(24.8±12.0)岁],应用HPSONOS5500超声心动图仪进行三维采集,并在TomTecEchoView4.2工作站行三维重建,测得右心室舒张末期容量(RVEDV)、收缩末期容量(RVESV),并计算右心室射血分数(RVEF)。23例行封堵术者,ASD直径(球囊测量值)为9～36(25.07±7.50)mm,均置入Amplatzer封堵器。所选封堵器直径为11～40mm。分别于术后3d、1个月、3个月复查测量RVEDV和RVESV,并计算RVEF,观察经皮穿刺ASD封堵术后右心室容量及功能的变化。结果与正常对照组相比,ASD患者RVEDV[(101.74±25.17)mLvs(59.65±15.00)mL,P<0.01]及RVESV[(56.81±16.77)mLvs(27.83±9.17)mL,P<0.01]明显增大,RVEF[(44.82±4.51)%vs(54.11±5.89)%,P<0.01]明显减低。经皮穿刺ASD封堵术后,RVEDV及RVESV较术前明显缩小,RVEF明显升高。结论ASD患者右心室容量负荷较正常人显著增加,右心室功能下降;经皮穿刺ASD封堵术既减轻了右心室的容量负荷,也改善了右心室功能。
关键词(KeyWords)： 房间隔缺损;心室功能,右;超声心动描记术,三维
基金项目(Foundation):
作者(Author): 丁建东,陆凤翔,马根山,许迪,孔祥清,陈莉,雍永宏,周蕾,杨荣,盛燕辉
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