• Br J Anaesth · May 2020

    Review Meta Analysis

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

    There is an association between after-hours surgery and mortality risk that is not entirely explained by the emergent and morbidity characteristics of patients or the surgical procedure.

    pearl
    • Andrea Cortegiani, Mariachiara Ippolito, Giovanni Misseri, Yigal Helviz, Giulia Ingoglia, Giuseppe Bonanno, Antonino Giarratano, Bram Rochwerg, and Sharon Einav.
    • Department of Surgical, Oncological and Oral Science (Di.Chir.On.S.), Section of Anesthesia, Analgesia, Intensive Care and Emergency, Policlinico Paolo Giaccone, University of Palermo, Palermo, Italy. Electronic address: andrea.cortegiani@unipa.it.
    • Br J Anaesth. 2020 May 1; 124 (5): 623-637.

    BackgroundThe association between night/after-hours surgery and patients' mortality is unclear.MethodsThe 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.ResultsWe included 40 observational studies (36 retrospective and four prospective) that examined a total of 2 957 065 patients. Twenty-eight studies were judged of good quality and 12 of poor quality according to Newcastle-Ottawa score, owing to a lack of adequate comparability between study groups. Primary analysis from adjusted estimates demonstrated as association between night/after-hours surgery and a higher risk of mortality (odds ratio [OR]=1.16; 95% confidence interval [CI], 1.06-1.28; P=0.002; number of studies=18; I2=67%) based on low certainty evidence. Analysis from unadjusted estimates demonstrated a consistent association (OR=1.47; 95% CI, 1.19-1.83; P=0.0005; studies=38, I2=97%; low certainty). The number of centres per study had no credible subgroup effect on the association between the time of surgery and mortality. We were unable to evaluate the subgroup effect of urgency of surgery because of high heterogeneity.ConclusionsNight/after-hours surgery may be associated with a higher risk of mortality. Patients' and surgical characteristics seem not to completely explain this finding. However, the certainty of the evidence was low.Copyright © 2020 British Journal of Anaesthesia. Published by Elsevier Ltd. All rights reserved.

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    There is an association between after-hours surgery and mortality risk that is not entirely explained by the emergent and morbidity characteristics of patients or the surgical procedure.

    Daniel Jolley  Daniel Jolley
     
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