[Does intraoperative hyperventilation improve neurological functions of older patients after general anaesthesia?].


UNLABELLED The purpose of the study was to investigate the effect of intraoperative hyperventilation on postoperative cognitive functions. METHODS A total of 120 patients (60 older and 60 younger than 65 years old) were allocated randomly to group I "hyperventilation" (p(et)CO(2)=30 mmHg) or group II "normoventilation" (p(et)CO(2)=45 mmHg). Before the… (More)