Extracorporeal membrane oxygenation (ECMO) is used for cardiopulmonary dysfunction. Hepatopulmonary syndrome (HPS) occurs in the setting of liver failure and may cause hypoxemia. Previous reports have described the use of ECMO for HPS after liver transplant. Our patient is a 19-month-old female with biliary atresia, an interrupted inferior vena cava, and HPS on 8 liters per minute of high-flow oxygen. Following liver transplantation, her postoperative course was complicated by severe hypoxemia requiring ECMO. Due to her interrupted inferior vena cava, our standard bi-caval cannula could not be used. Hence, a 16-French double lumen venovenous right internal jugular to right atrial cannula was used to provide extracorporeal life support. She was decannulated after 17 days, remained intubated for 2 days, and weaned to room air over the next 3 weeks. This is the third pediatric liver transplant patient supported with ECMO identified in the literature, and the youngest and smallest of those reported. This approach to cannulation is unique because of the use of a double lumen venovenous cannula for HPS in a child, selected due to complex anatomy. Posttransplant ECMO may provide pediatric patients with HPS and posttransplant hypoxemia a period of support for their pulmonary remodeling and recovery from HPS.
Extracorporeal membrane oxygenation (ECMO) is used in patients with acute respiratory failure that is not responsive to conventional management. The practice of awake ECMO has become an area of interest but with limited data and experience. Most reported experience comes from adult and pediatric populations. Traditional management of these patients still includes mechanical ventilator support and often requires the use of sedatives for provision of safe care. We present a series of eight neonates who were electively extubated while on ECMO, with expanded discussion of two representative cases. We discuss the rationale for extubation and outcomes. The greatest benefit of this management was seen in patients with significant air leak, and in no reported case did we experience any adverse effects or complications as a direct result of extubation while on ECMO. In conclusion, in our experience, awake neonatal ECMO appears safe and effective and may offer significant advantages over traditional management in certain clinical scenarios. Prospective comparison trials are warranted to further investigate the clinical benefits and risks of awake neonatal ECMO.
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