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首页> 外文期刊>Circulation journal >Right Ventricular and Tricuspid Valve Remodeling After Bidirectional Cavopulmonary Anastomosis
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Right Ventricular and Tricuspid Valve Remodeling After Bidirectional Cavopulmonary Anastomosis

机译：双向腔肺吻合术后右心室和三尖瓣重构

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Background: ?There are few investigations of the changes in tricuspid valve (TV) and right ventricular (RV) morphology following bidirectional cavopulmonary anastomosis (BCPA). Methods and Results: ?The 2-D echocardiograms of 35 children (male, n=23; female, n=12; median age, 6 months; range, 3–10 months) with hypoplastic left heart syndrome, 1 month before and after BCPA performed between 2005 and 2011, were retrospectively reviewed. Patients who underwent TV repair at BCPA were excluded. From the 4-chamber view, the coaptation length, vena contracta width and RV end-diastolic area before and after BCPA were measured and indexed to surface area. The severity of tricuspid regurgitation was graded qualitatively. After BCPA, RV end-diastolic area decreased from 2,951±584 to 2,580±591mm2/m2 (P2, P=0.0014) and of the septal leaflet (13.5±5.3 vs. 15.8±5.4mm/m2, P=0.0072) increased after BCPA. The vena contracta width decreased (5.8±4.9 vs. 4.3±4.2mm/m2, P=0.035), although there was no change in tricuspid regurgitation grade after BCPC (1.4±0.7 vs. 1.4±0.9, P=0.234). Conclusions: ?In children with hypoplastic left heart syndrome after BCPA, the coaptation length of the anterior and septal leaflets of the TV improved concomitantly with vena contracta width and RV end-diastolic area despite unchanged tricuspid regurgitation grade. This suggests that favorable RV and TV remodeling accompanies the reduction in RV volume load following BCPA.??( Circ J ?2013; 77: 2514–2518)
机译：背景：很少有关于双向腔肺吻合术（BCPA）后三尖瓣（TV）和右心室（RV）形态变化的研究。方法和结果：？左心发育不全综合征前后1个月的35例儿童的二维超声心动图（男，n = 23;女，n = 12;中位年龄，6个月;范围：3-10个月）。回顾性分析了2005年至2011年之间的BCPA。排除了在BCPA接受电视修复的患者。从4腔室角度，测量BCPA之前和之后的接合长度，腔静脉收缩宽度和RV舒张末期面积，并将其标为表面积。对三尖瓣关闭不全的严重程度进行了定性分级。 BCPA后，RV舒张末期面积从2,951±584毫米减少到2,580±591mm 2 / m 2 （P2 ，P = 0.0014）和间隔BCPA后，小叶（13.5±5.3对15.8±5.4mm / m 2 ，P = 0.0072）增加。尽管BCPC后三尖瓣反流程度没有变化（1.4±0.7 vs. 1.4±），但腔内收缩宽度减小了（5.8±4.9 vs. 4.3±4.2mm / m 2 ，P = 0.035）。 0.9，P = 0.234）。结论：？在BCPA后患有发育不良的左心综合征的儿童中，尽管三尖瓣关闭不全分级保持不变，电视前叶和隔叶的接合长度随腔静脉收缩宽度和RV舒张末期面积的增加而改善。这表明BCPA后，RV和TV的重塑伴随着RV容积负荷的减少。（Circ J？2013; 77：2514–2518）

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