AI Article Synopsis
- ECLS has a notable success rate after pediatric heart transplantation, but its implementation and outcomes are not as well-documented compared to conventional cardiac surgery.
- A review of 202 pediatric heart transplant patients showed that 13.9% required ECLS, particularly those with restrictive cardiomyopathy and longer ischemic times.
- Despite higher immediate post-transplant complications, patients needing ECLS exhibited promising medium-term survival rates, suggesting that careful use of ECLS can significantly benefit those at high risk.
Article Abstract
Background: Extracorporeal life support (ECLS) has proven success after conventional cardiac surgery. Its use after pediatric heart transplantation is less well documented. We reviewed ECLS after pediatric heart transplantation, to understand better predisposing factors, morbidity, and mortality.
Methods: The notes of all patients at Great Ormond Street Hospital undergoing orthotopic heart transplantation from 1999 to 2009 were reviewed (202 transplants; patients aged 0.06 to 17.91 years). Patients were grouped by diagnosis: restrictive cardiomyopathy (n = 17), nonrestrictive cardiomyopathy (n = 134), and anatomic heart disease (n = 51).
Results: Twenty-eight patients (13.9%) required ECLS after transplantation. Those requiring ECLS had longer ischemic times (4.2 versus 3.7 hours, p = 0.02). More restrictive cardiomyopathy patients (35.3%) required ECLS-higher than dilated cardiomyopathy (10.4%) or anatomic heart disease (15.7%; χ(2) 7.99; p = 0.018). Factors associated with posttransplant ECLS were restrictive cardiomyopathy, longer ischemic time, and extracorporeal membrane oxygenation before transplant. Graft survival was higher in the non-ECLS group, with 1-year survival of 98.2% versus 57.7%; however, medium-term survival was comparable, with 5-year survival for those surviving to hospital discharge being 84.7% versus 100%.
Conclusions: The requirement for ECLS was higher than expected for conventional cardiac surgery. Although just over one half of patients requiring ECLS survived to discharge, they had excellent medium-term survival, with all still alive. Although ECLS is an expensive, invasive therapy, with significant morbidity and mortality, without it, those patients would have perished. Its judicious use, therefore, can be recommended.
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| http://dx.doi.org/10.1016/j.athoracsur.2015.02.047 | DOI Listing |
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