Circadian effect of time of anaesthesia on postoperative outcomes in major elective and urgent intervention: a secondary analysis of the Peri-interventional Outcome Study in the Elderly (POSE) KU Leuven
BACKGROUND A recent prospective study reported a decreasein postoperative mortality when cardiac surgery was started in the afternoon instead of in the morning. In contrast, several large retrospective analyses have not confirmed this finding. Larger prospective studies are requires to elucidate the effects of circadian rhythm on postoperative outcomes. OBJECTIVE To identify any relation between starting time of anaesthesia/surgery and ...