Heart failure & cardiomyopathies

Waitlist Outcomes for Pediatric Heart Transplantation in the Current Era: An Analysis of the Pediatric Heart Transplant Society Database

CirculationPublished Retrospective cohort study

Authors' conclusion

There is significant variability in WM among status-1A patients.

Study context

Population
Patients <18 years listed for heart transplantation, Pediatric Heart Transplant Society database, 2010–2021
Participants
5,974 patients
Exposure
Status 1A vs Status 1B vs Status 2 vs Status 7
  • Status 1An = 3,928
  • Status 1Bn = 1,012
  • Status 2n = 963
  • Status 7n = 65
Outcome
Waitlist mortality (WM): death while awaiting transplant or removal from the waitlist due to clinical deterioration
Follow-up
First 12 months on the list
Methodological detailsregistry database analysis
  • Registry database analysis

Main finding

As reported in the abstract

Risk factors for WM in status 1A
  • Smaller size and lower eGFR associated with higher waitlist mortality (WM)
  • No congenital heart disease or ventricular assist device (VAD) support at listing associated with decreased WM
  • Smallest size cohort: cardiac diagnoses other than dilated cardiomyopathy were risk factors for WM
  • Previous cardiac surgery a risk factor in the 0.3 to 0.7 m² and >0.7 m² body surface area (BSA) groups
  • VAD support associated with lower WM except in single ventricle cohort (higher WM)
  • ECMO and mechanical ventilation associated with increased WM in all cohorts
  • Further analysis performed in only status 1A patients

Observational data: associations, not effects.

Original publication

Waitlist Outcomes for Pediatric Heart Transplantation in the Current Era: An Analysis of the Pediatric Heart Transplant Society Database. Circulation. Published 28 June 2024. doi:10.1161/circulationaha.123.068189

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