Impact of hospital admission during nonworking hours on patient outcomes after thrombolysis for stroke

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Abstract

Background and Purpose-Whether the time of hospital admission is relevant for short-term outcome after stroke is under debate and may depend on care facilities. Methods-We retrospectively analyzed medical records from patients who received thrombolytic therapy within 4.5 hours of stroke onset in a stroke unit of the Charité-University Hospital Berlin (Charité; n=291) or within the stroke telemedicine (TEMPiS) network, comprising 12 community hospitals with telestroke units in Bavaria (n=616). Results-Thrombolytic therapy was administered during nonworking hours in 59.5% (Charité) and 55.0% (TEMPiS) of patients. A trend toward a lower rate of symptomatic intracranial hemorrhage (3.4% versus 9.2%; P=0.053), clinical worsening (11.9% versus 19.7%; P=0.079), and 7-day mortality (3.4% versus 8.7%; P=0.073) after admission during working hours was seen at Charité. However, multivariable analysis did not show a significant impact of the time of admission on clinical worsening, symptomatic intracranial hemorrhage, or 7-day mortality in both cohorts. Thrombolysis based on brain computed tomography instead of magnetic resonance imaging (odds ratio=4.98, 95% CI, 1.09 to 22.7) and more severe National Institutes of Health Stroke Scale score on admission (odds ratio=1.15 per point; 95% CI, 1.07 to 1.24) were associated with 7-day mortality at Charité. National Institutes of Health Stroke Scale score on admission (odds ratio=1.13 per point; 95% CI, 1.06 to 1.19) and older age (odds ratio=1.05 per year; 95% CI, 1.004 to 1.09) were correlated with 7-day mortality in TEMPiS. National Institutes of Health Stroke Scale on admission was the only independent predictor of symptomatic intracranial hemorrhage or clinical worsening in both cohorts. Conclusions-The majority of stroke patients received thrombolysis during nonworking hours. The time of hospital admission did not significantly influence the short-term outcome after thrombolysis. © 2011 American Heart Association. All rights reserved.

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Haeusler, K. G., Gerischer, L. M., Vatankhah, B., Audebert, H. J., & Nolte, C. H. (2011). Impact of hospital admission during nonworking hours on patient outcomes after thrombolysis for stroke. Stroke, 42(9), 2521–2525. https://doi.org/10.1161/STROKEAHA.110.612697

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