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Pediatric cardiac patients with pulmonary hemorrhage supported on ECMO: An ELSO registry study

Pilar Anton-Martin1, Caroline Young2, Hitesh Sandhu3

  • 1Department of Pediatrics, Division of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, PA 19130, USA.

The Journal of Extra-Corporeal Technology
|March 7, 2025
PubMed

Insights

High-frequency oscillatory ventilation (HFOV) before extracorporeal membrane oxygenation (ECMO) may improve survival in pediatric cardiac patients with pulmonary hemorrhage. This finding highlights the importance of mechanical ventilation strategies in this high-risk population.

Area of Science:

  • Pediatric Cardiology
  • Critical Care Medicine
  • Respiratory Physiology

Background:

  • Pulmonary hemorrhage (PH) is a rare but serious complication in pediatric cardiac patients.
  • Extracorporeal membrane oxygenation (ECMO) is used for life support, but data on PH management is limited.
  • Pediatric cardiac patients on ECMO have a higher risk of PH.

Purpose of the Study:

  • To characterize pediatric cardiac patients with PH requiring ECMO.
  • To identify factors associated with improved survival in this cohort.
  • To analyze pre-ECMO mechanical ventilation strategies.

Main Methods:

  • Retrospective cohort study using the ELSO registry (2011-2020).
  • Included pediatric patients (birth to 18 years) with PH supported by ECMO.
  • Analyzed demographic, clinical, and pre-ECMO ventilation data.

Main Results:

  • 161 patients analyzed; 77% had congenital heart disease.
  • Overall survival to discharge was 35.8%.
  • High-frequency oscillatory ventilation (HFOV) before ECMO was associated with significantly higher survival (24.4% vs 2.8%, p < 0.001).
  • Absence of hemorrhagic and renal complications were also independent predictors of survival.

Conclusions:

  • HFOV before ECMO initiation appears to improve survival in pediatric cardiac patients with acute pulmonary hemorrhage.
  • Further prospective studies on mechanical ventilation strategies are warranted.
  • Optimizing pre-ECMO ventilation may enhance outcomes in this complex patient group.
Abstract

Keywords:
ChildrenECMOHeart diseaseHigh-frequency oscillatory ventilationSurvival

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