Related Experiment Videos
Current results with pediatric heart transplantation
K R Kanter1, V K Tam, R N Vincent
1Department of Surgery, Emory University School of Medicine, Atlanta, Georgia 30322, USA. kkanter@emory.org
Insights
Pediatric heart transplantation offers excellent early survival for children with severe heart conditions. Despite challenges like prior surgeries, outcomes are promising, though rejection remains a concern.
Area of Science:
- Cardiology
- Pediatric Surgery
- Transplantation Medicine
Background:
- Cardiac transplantation is a vital treatment for pediatric end-stage heart failure and complex congenital heart defects.
- This study focuses on outcomes in children undergoing heart transplantation, a critical intervention for severe cardiac conditions.
Purpose of the Study:
- To evaluate the efficacy and outcomes of pediatric heart transplantation.
- To assess early and long-term survival rates and identify key factors influencing results in pediatric heart transplant recipients.
Main Methods:
- Analysis of 95 heart transplants performed in 89 children (aged 4 days to 18 years) since 1988.
- Detailed review of patient demographics, underlying cardiac conditions (congenital defects, cardiomyopathy), prior surgical history, and pre-transplant UNOS status.
- Evaluation of post-transplant recovery parameters including ventilation time, inotropic support, ICU stay, and hospitalization duration.
Main Results:
- Achieved 96% 30-day survival, with median post-transplant ventilation of 1 day and ICU stay of 4 days.
- Demonstrated 1-year actuarial survival of 79% and 5-year actuarial survival of 69%.
- Identified acute and chronic rejection as the primary cause of mortality.
Conclusions:
- Pediatric heart transplantation is feasible with excellent early survival, even in complex cases with prior surgeries.
- Postoperative recovery metrics are manageable, yielding acceptable long-term results.
- Graft rejection remains a significant challenge requiring ongoing management strategies.
Background:
Cardiac transplantation is an accepted treatment for children with end-stage heart failure or complex or inoperable congenital defects.
Methods:
Since 1988, 95 transplants have been performed in 89 children aged 4 days to 18 years (median 6.9 years, 42 patients 0-5 years). Fifty-eight (61%) had congenital or acquired heart disease, 31 (33%) had idiopathic cardiomyopathy, and 6 (6%) were retransplants. Fifty-seven of the patients had prior cardiac surgery with a range of one to eight procedures (mean 3.4 procedures/patient). At the time of transplantation, 53 (56%) were United Network for Organ Sharing (UNOS) status I, including 23 children on mechanical ventilation and 4 with mechanical circulatory support.
Results:
Thirty-day survival in this group was 96%. Posttransplant results showed a median time of ventilation of 1 day (mean 3.0+/-5.7 days), median duration of inotropic support of 2 days (mean 2.7+/-2.3 days), median intensive care unit (ICU) stay of 4 days (mean 6.9+/-9.6 days), and median hospitalization of 9 days (mean 14.3+/-13.9 days). Follow-up from 1 month to 10.3 years (mean 3.1 years) has demonstrated a 1-year actuarial survival of 79% and a 5-year actuarial survival of 69%. Rejection, both acute and chronic, accounted for the vast majority of deaths.
Conclusions:
Pediatric heart transplantation can be accomplished with excellent early survival despite multiple prior cardiac operations and relative severity of illness. Parameters such as postoperative ventilation, inotropic support, ICU stay, and hospitalization can be kept at reasonable levels with acceptable long-term results, although rejection remains a serious problem.