Are excursions of mean arterial blood pressure below the cerebral autoregulation threshold associated with acute kidney injury in patients undergoing cardiac surgery?
Monitoring cerebral oximetry index to avoid blood pressure excursions below the autoregulation threshold may help prevent acute kidney injury during cardiopulmonary bypass.
Excursions of mean arterial blood pressure below the limit of autoregulation and not absolute mean arterial blood pressure are independently associated with for acute kidney injury. Monitoring cerebral oximetry index may provide a novel method for precisely guiding mean arterial blood pressure targets during cardiopulmonary bypass.
Ono et al. (Thu,) studied this question.
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