Circadian, Weekly and Seasonal Variability of Postoperative Mortality and Morbidity (Zirkadianest)

Charité University Medicine Berlin

Status: Completed

Conditions: Postoperative Mortality and Morbidity

Study type: Observational

Funder types: Other

Identifiers

NCT01903382

Zirkadianest

Details and patient eligibility

About

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.

Enrollment: 247,506 patients

Sex: All

Volunteers: No Healthy Volunteers

Inclusion criteria

All Patients who underwent anesthesia within the study time period.

Exclusion criteria

none

Trial design

247,506 participants in 1 patient group

Adult patients

Description:

All patients undergoing general anesthesia between January 2006 and December 2013