The Association Between Circadian, Weekly, and Seasonal Effects and Time of Surgery on Postoperative Morbidity and Mortality of Patients (Zirkadianest)
The Association Between Circadian, Weekly, and Seasonal Effects and Time of Surgery on Postoperative Morbidity and Mortality of Patients (Zirkadianest)
Mortality is subject to cyclic variability: circadian, weekly, and seasonal. This has been shown for different populations, different diseases and in different countries, but not for surgical patients. Aim of this study is therefore to investigate the association between circadian, weekly, and seasonal effects time of surgery postoperative mortality of patients undergoing surgery and general anesthesia.
Inclusion Criteria:
All Patients who underwent anesthesia within the study time period.
Exclusion Criteria:
none