• World Neurosurg · Oct 2022

    Meta Analysis

    Impact of off-hour admission with subarachnoid hemorrhage: a meta-analysis.

    • Sung-Min Jun, Sang Ho Kim, Heta Leinonen, Peter Gan, and Sameer Bhat.
    • Department of Surgery, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand.
    • World Neurosurg. 2022 Oct 1; 166: e872e891e872-e891.

    ObjectiveThis meta-analysis assessed the impact of off-hour hospitalization (weekends, and evenings or nighttime on weekdays) on mortality and morbidity in patients with nontraumatic subarachnoid hemorrhage (SAH).MethodsElectronic databases were systematically searched for studies comparing outcomes between patients with nontraumatic SAH hospitalized during off-hour and on-hour periods (daytime on weekdays). The primary outcome was mortality (in-hospital and at different follow-up periods after hospitalization). Secondary outcomes included delays in treatment, and complications. Sensitivity analysis including only studies in which adjusted multivariate analyses were performed for any of the outcomes, and meta-regression controlling for clinically important patient factors, were also performed.ResultsSixteen studies were included. There was no significant difference in in-hospital mortality (adjusted odds ratio, 1.03; 95% confidence interval [CI], 0.97-1.09; P = 0.30) and at all follow-up periods (7/14 days and 1/3/6 months) after hospitalization between SAH patients who were admitted during off-hour compared with on-hour periods, despite adjusted multivariate meta-analysis being performed. However, patients who were admitted during off-hour periods experienced greater delays from their initial scan to treatment (mean difference, 42.7, 25.2-60.1 hours; P < 0.0001) and had higher rates of pneumonia (odds ratio, 1.65, 1.12-2.44; P = 0.011).ConclusionsThis meta-analysis has not shown an increased risk of mortality in the short-term and long-term among patients with nontraumatic SAH who were hospitalized during off-hour compared with on-hour periods, despite adjusting for potentially confounding patient factors. The delays to treatment and higher observed rates of pneumonia highlight areas in which hospital services and resources should be targeted during these off-hour periods in patients presenting with nontraumatic SAH.Copyright © 2022 Elsevier Inc. All rights reserved.

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