Association between night/after-hours surgery and mortality: a systematic review and meta-analysis

2020

Abstract Background The association between night/after-hours surgery and patients' mortality is unclear. Methods The protocol of this systematic review was registered in PROSPERO (CRD42019128534). We searched Medline, PubMed, and EMBASE from inception until August 29, 2019 for studies examining an association between timing of surgical procedures (time of anaesthesia induction or surgery start) and mortality (within 30 days or in-hospital) in adult patients. Studies reporting patients' mortality after surgery performed during the weekend only were excluded. All analyses were done using the random-effects model. Results We included 40 observational studies (36 retrospective and four prospec…