Neurological dysfunction continues to be one of the complications of considerable concern in patients undergoing cardiac surgery. It was previously reported in the literature, that cerebral oxygen desaturation during cardiac surgery was associated with an increased incidence of cognitive impairment. This study aims to determine whether continuous monitoring of cerebral oximetry improves the neurocognitive outcome in coronary artery bypass surgery when associated with predetermined intervention protocol to optimize cerebral oxygenation.
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Preoperative cognitive function
Timeframe: Pre-surgery (within 10 days before)
Postoperative cognitive dysfunction - delayed cognitive recovery
Timeframe: Post-surgery (7 days after surgery)
Postoperative cognitive dysfunction - neurocognitive disorder
Timeframe: Post-surgery (90 days after surgery)
Preoperative cognitive function II
Timeframe: Pre-surgery (within 10 days before)
Postoperative cognitive dysfunction - delayed cognitive recovery II
Timeframe: Post-surgery (7 days after surgery)
Postoperative cognitive dysfunction - neurocognitive disorder II
Timeframe: Post-surgery (90 days after surgery)
Preoperative cognitive function III
Timeframe: Pre-surgery (within 10 days before)
Postoperative cognitive dysfunction - delayed cognitive recovery III
Timeframe: Post-surgery (7 days after surgery)
Postoperative cognitive dysfunction - neurocognitive disorder III
Timeframe: Post-surgery (90 days after surgery)