Extracorporeal membrane oxygenation in Jehovah's Witness patients: Case report, literature review, and summary of recommendations.

Extracorporeal Membrane Oxygenation (ECMO) is commonly associated with a high blood transfusion requirement. Jehovah's Witness patients present a particular challenge. The impossibility of transfusing blood cells and starting anticoagulation treatment are common contraindications for this supportive measure.