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超声心动图随访观察继发孔型房间隔缺损介入治疗效果 被引量:4

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摘要 目的运用超声心动图方法随访观察经导管双盘状封堵器堵闭继发孔型房间隔缺损(ASD)后心脏结构和功能的变化。方法对具有完整术前超声资料的50例继发孔型房间隔缺损介入治疗患者进行随访观察。于手术前、手术后7d、3、6、12月分别进行超声心动图检查,测量指标包括左右心房内径,双心室舒张末期内径、容积、射血分数,二、三尖瓣血流速度峰值比,置入封堵伞中份的厚度等,观察术前、术后上述指标的变化。结果右心房室内径、右室容积及射血分数在术后3个月明显缩小(P<0.05),封堵伞中份厚度随时间延长逐渐变薄,而左室内径、容积及射血分数均在术后3个月明显增大(P<0.05)。上述变化均持续至术后1年。左房内径术前术后无明显变化。结论房间隔缺损封堵术不但减轻了右心的容量负荷,使右室功能维持在正常水平,也可在短期内明显改善左室的几何构型及收缩功能。在随访中,封堵伞形态逐渐变薄,更稳定地固定在房间隔上。
出处 《四川大学学报(医学版)》 CAS CSCD 北大核心 2006年第6期968-969,共2页 Journal of Sichuan University(Medical Sciences)
基金 教育部"优秀青年教师资助计划"(2003-355-2) 教育部高等学校博士学科点专项科研基金(20030610032)资助
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同被引文献49

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