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bioRxiv · 10.1101/813279

Impact of intensive care unit admission during handover on mortality: a propensity matched cohort study

Midega, T. D.·Filho, N. C. V. L.·Nassar, A. P.·Alencar, R. M.·Neto, A. C.·Ferraz, L. R.·Correa, T. D.
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Abstract

IntroductionHandover is a process of transferring information, responsibility and authority for providing care of critically ill patients from a departing intensivist to an oncoming intensivist. The effect of i admission during a medical handover on clinical outcomes is unknown. ObjectivesOur purpose was to evaluate the impact of ICU admission during a medical handover on clinical outcomes. MethodsPost hoc analysis of a cohort study addressing the effect of ICU admissions during the handover on outcomes. This retrospective, single center, propensity matched cohort study was conducted in a 41-bed open general ICU located in a private tertiary care hospital in Sao Paulo, Brazil. Based on time of ICU admission, patients were categorized into two cohorts: handover group (ICU admission between 6:30 am to 7:30 or 6:30 pm to 7:30 pm) or control group (admission between 7:31 am to 6:29 pm or 7:31 pm to 6:29 am). Patients in the handover group were propensity matched to patients in the control group at 1:2 ratio. Our primary outcome was hospital mortality. ResultsBetween June 1, 2013 and May 31, 2015, 6,650 adult patients were admitted to the ICU. Following exclusion of ineligible participants, 5,779 patients [389 (6.7%) in handover group and 5390 (93.3%) in control group] were eligible for propensity score matching, of whom 1,166 were successfully matched [389 (33.4%) handover group and 777 (66.6%) in control group]. Before matching, hospital mortality was 14.1% (55/389 patients) in handover group compared to 11.7% (628/5,390) in control group (p=0.142). After propensity-score matching, ICU admission during handover was not associated with increased risk of ICU (OR, 1.40; 95% CI, 0.92 to 2.11; p=0.11) and hospital (OR, 1.23; 95%CI, 0.85 to 1.75; p=0.26) mortality. ICU and hospital length of stay did not differ between the groups. ConclusionIn this propensity-matched single center cohort study, ICU admission during medical handover did not affect clinical outcomes.

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Midega, T. D., Filho, N. C. V. L., Nassar, A. P., Alencar, R. M., Neto, A. C., Ferraz, L. R., Correa, T. D.. 2019-10-21. Impact of intensive care unit admission during handover on mortality: a propensity matched cohort study. https://doi.org/10.1101/813279

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