Identifying Prognostic Criteria for Survival after Resuscitation Assisted by Extracorporeal Membrane Oxygenation

Alexandrine Brunner1, Natacha Dubois1, Peter C Rimensberger2

  • 1University of Geneva, Centre Medical Universitaire, 1 Rue Micheli-du-Crest, 1205 Geneva, Switzerland.

Insights

Extracorporeal membrane oxygenation cardiopulmonary resuscitation (ECPR) in children shows poor survival rates, with 84% mortality in one center. Identifying patients who may benefit from ECPR is crucial for improving outcomes.

Area of Science:

  • Pediatric critical care medicine
  • Cardiopulmonary resuscitation
  • Extracorporeal membrane oxygenation

Background:

  • Extracorporeal membrane oxygenation cardiopulmonary resuscitation (ECPR) is used to improve survival rates during cardiopulmonary resuscitation (CPR).
  • Despite its use, optimal indications and organizational requirements for ECPR in children remain undefined.
  • Existing literature suggests a survival to discharge rate of approximately 40% for pediatric ECPR patients.

Purpose of the Study:

  • To evaluate clinical outcomes of pediatric patients following ECPR.
  • To identify pre-ECPR prognostic factors associated with survival.
  • To guide the appropriate indication of ECPR in pediatric cases.

Main Methods:

  • Retrospective analysis of 19 pediatric patients who underwent ECPR between 2008 and 2014.
  • Assessment of in-hospital mortality, including deaths during ECMO support and after weaning.
  • Analysis of pre-ECPR clinical parameters (lactate, bicarbonate, pH) and resuscitation duration in survivors versus non-survivors.

Main Results:

  • A high in-hospital mortality rate of 84% (16 out of 19 patients) was observed.
  • Mortality occurred both during ECMO support (47%) and after successful weaning (37%).
  • Survivors exhibited favorable pre-ECPR markers: lower lactate, higher bicarbonate, higher pH, and shorter resuscitation times.

Conclusions:

  • ECPR in this pediatric cohort yielded poorer outcomes than anticipated.
  • Pre-ECPR physiological status and resuscitation duration are potential indicators of survival.
  • Further research is needed to define patient selection criteria for ECPR to optimize its benefit.