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目的探讨影响法乐式四联症患儿手术成功的因素。方法 125例接受手术治疗的法乐式四联症患儿为研究对象,对其进行手术治疗,统计患儿的死亡情况。结果 125例患儿的死亡率为4.8%,其中肺动脉≥3处狭窄患儿的死亡率为8.9%(4/45),与其他右室流出道类型比较,差异具有统计学意义(P<0.05);术后P_(RV)/P_(LV)>0.75的患儿的死亡率为9.5%(4/42)。结论肺动脉狭窄复杂程度和术后残余右室高压是造成患儿死亡的主要原因,提高右室流出道外科处理技术是降低患儿死亡率的有效途径。
Objective To investigate the factors affecting the success of surgery in children with tetralogy of Fallot. Methods A total of 125 children with tetralogy of Fallot who underwent surgery were enrolled in this study. Surgical treatment was performed and the death of children was counted. Results The mortality rate in 125 children was 4.8%. The mortality rate in children with ≥3 pulmonary stenoses was 8.9% (4/45). Compared with other types of right ventricular outflow tract, the difference was statistically significant (P <0.05 ). The mortality rate of children with P_ (RV) / P_ (LV)> 0.75 after operation was 9.5% (4/42). Conclusions The complexity of pulmonary artery stenosis and postoperative residual right ventricular hypertrophy are the main causes of death in children. Improving surgical management of right ventricular outflow tract is an effective way to reduce mortality in children.