Pumpless Extracorporeal Lung Assist (Pecla) in Patients With Acute Respiratory Distress Syndrome and Severe Brain Injury

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Abstract
A retrospective analysis was performed to estimate the practicability of a pumpless extracorporeal lung assist system (pECLA) in trauma patients suffering from severe brain injury and the acute respiratory distress syndrome (ARDS). Five patients with acute severe brain injury and ARDS, ventilated in a lung protective mode, were connected to pECLA to avoid the detrimental effects of hypercapnia on intracranial pressure (ICP) and cerebral outcome. With pECLA hypercapnia was eliminated in all patients while the minute volume of artificial ventilation could be reduced. Subsequently, ICP was reduced, systemic hemodynamics and cerebral perfusion pressure remained stable. One patient died due to multi-organ failure as a consequence of multi-trauma. The remaining patients survived showing a good neurologic function. pECLA is a promising alternative compared with conventional pump-driven systems for patients with ARDS and brain injury, since the pECLA system has minor restrictions, limitations and side effects.