医学
心室辅助装置
体外膜肺氧合
移植
心脏移植
冲程(发动机)
心肌病
外科
队列
心脏病
心力衰竭
年轻人
内科学
心脏病学
机械工程
工程类
作者
William Y. Shi,Silvana Marasco,Pankaj Saxena,Yves d’Udekem,Matthew S. Yong,Sergei Mitnovetski,Christian P. Brizard,David C. McGiffin,Robert G. Weintraub,Igor E. Konstantinov
摘要
We evaluated our experience with ventricular assist device (VAD) implantation in children and young adults.A total of 64 patients underwent VAD implantation in two centres. The mean age was 15 ± 7.2 years. Thirty-five (55%) patients were under 18 years of age. Devices implanted included the Thoratec Paracorporeal in 30 (47%) patients, Berlin Heart EXCOR in 11 (17%) and VentrAssist in 14 (22%). The diagnosis was cardiomyopathy in 53, congenital heart disease in 11, and graft failure in four patients.There were 10 (16%) in-hospital deaths. Mortality was higher in patients <18 years of age (26% compared with 3.4% for those ≥18 years, P = 0.02). The use of extracorporeal membrane oxygenation prior to VAD implantation was associated with higher mortality (P = 0.006). Seventeen (27%) patients experienced stroke. Nine patients (14%) required change of VAD because of thrombosis. Transplantation was performed in 44 patients after a mean of 131 ± 141 days on VAD, 11 patients died without transplantation and three patients currently await transplantation. The VAD was explanted in six patients because of recovery. Overall survival from VAD implantation was 69% and 61% at 5 and 10 years, respectively. The 5-year post-transplant survival for those bridged with VAD support was 91% and was comparable with a cohort of patients who did not receive a pre-transplant VAD.Children requiring pre-transplant VAD support have a higher mortality and morbidity compared with young adults. Survival after heart transplantation those supported with VADs was similar to patients of similar age who did not require pre-transplant support.
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