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Cerebral Microembolism clinical trials

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NCT ID: NCT02020759 Completed - Cerebral Perfusion Clinical Trials

Cerebral Microemboli in Venoarterial ECMO Patients

Start date: June 2014
Phase:
Study type: Observational

Extracorporeal membrane oxygenation (ECMO) is progressively used in critically ill patients with cardiac or respiratory failure as a bridging option for potential organ recovery. However, ECMO survivors often suffer from poor neurocognitive outcome due to neurological complications such as microembolic (ME) strokes. In venoarterial (va) ECMO circuits the pulmonary circulation, which usually serves as microembolic filter, may be bypassed and generated ME are prone to reach the brain in substantial amounts and potentially impair cerebral integrity. Although patient exposure to cerebral ME has been thoroughly investigated in cardiopulmonary bypass procedures, there is only limited research on cerebral ME in patients undergoing ECMO therapy. The primary study goal of this study is to determine the load and nature of cerebral ME in critically ill patients under va-ECMO support. We also aim to compare the results to measurements in healthy subjects und intensive care unit (ICU) patients without extracorporeal support to get a better impression on the relevance of ME generation during ECMO support.