Optimizing Congenital Diaphragmatic Hernia Repair on ECMO: Evaluating the Risk of Bleeding
Topic overview
Retrospective study of 46 CDH patients repaired on ECMO identifies thrombocytopenia (<100K platelets), low birth weight, elevated BUN, and delayed repair as risk factors for postoperative bleeding requiring reoperation. Bleeding complications were associated with prolonged ECMO/ventilator support and reduced survival, supporting platelet transfusion >100K and consideration of early repair in high-risk patients.
Key takeaways
- Thrombocytopenia <100K increases bleeding risk 4.4-fold in CDH repair on ECMO; transfuse platelets to >100K preoperatively.
- Lower birthweight, elevated BUN, and delayed repair (>5 days) are independent risk factors for postoperative bleeding complications.
- Bleeding complications after on-ECMO CDH repair triple mortality (36% vs 74% survival) and prolong ECMO/ventilator duration significantly.
- Early repair on ECMO may reduce bleeding risk in high-risk patients compared to delayed intervention.
- 24% of CDH patients repaired on ECMO experience bleeding requiring reoperation; preoperative optimization is critical.
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