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Biomed Res Int. 2018 May 8;2018:4143636. doi: 10.1155/2018/4143636. eCollection 2018.

Cerebral Perfusion and Cerebral Autoregulation after Cardiac Arrest.

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Department of Intensive Care, Radboud University Nijmegen Medical Centre, Nijmegen, Netherlands.


Out of hospital cardiac arrest is the leading cause of death in industrialized countries. Recovery of hemodynamics does not necessarily lead to recovery of cerebral perfusion. The neurological injury induced by a circulatory arrest mainly determines the prognosis of patients after cardiac arrest and rates of survival with a favourable neurological outcome are low. This review focuses on the temporal course of cerebral perfusion and changes in cerebral autoregulation after out of hospital cardiac arrest. In the early phase after cardiac arrest, patients have a low cerebral blood flow that gradually restores towards normal values during the first 72 hours after cardiac arrest. Whether modification of the cerebral blood flow after return of spontaneous circulation impacts patient outcome remains to be determined.

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