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  • Title: The frequency of poststroke infections and their impact on early stroke outcome.
    Author: Popović N, Stefanović-Budimkić M, Mitrović N, Urošević A, Milošević B, Pelemiš M, Jevtović D, Beslać-Bumbaširević L, Jovanović D.
    Journal: J Stroke Cerebrovasc Dis; 2013 May; 22(4):424-9. PubMed ID: 23540255.
    Abstract:
    INTRODUCTION: Poststroke infections are the most common medical complications of stroke and can occur in up to 65% of patients. The aim of this study was to assess the rate of infectious complications during hospitalization of stroke patients and to evaluate the impact of infection in general, including each of the urinary tract infection (UTI), pneumonia, and sepsis, on fatal and poor functional outcome at discharge. METHODS: This retrospective study enrolled patients who have been diagnosed with acute ischemic stroke treated in a 1-year period. Poor functional outcome at discharge was defined as severe invalidity and included patients with modified Rankin Scale score of 3-5. Univariate and multivariate analyses were performed. RESULTS: We analyzed 133 patients with acute ischemic stroke. Poststroke infection occurred in 63 (47.4%) patients. The most common infection was UTI that was present in 27 (20.3%) patients. Multivariate logistic regression analysis after adjustment for confounders demonstrated that poststroke infection was an independent predictor of poor functional outcome (odds ratio [OR] 12.82, 95% confidence interval [CI] 4.09-40.0, P < .001) and death at discharge (OR 14.92, 95% CI 2.97-76.92, P = .001). When analyzing the impact of each infectious complication, multivariate logistic regression showed that UTIs were an independent predictor of poor functional outcome (OR 14.08, 95% CI 3.06-64.84, P = .001) and death (OR 9.81, 95% CI 1.46-65.68, P = .019) at discharge. CONCLUSION: Infection is a frequent poststroke complication and represents an independent predictor of poor functional and fatal early stroke outcome.
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