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Preadmission beta-blocker use and 30-day mortality among patients in intensive care: a cohort study
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Anaesthesiology and Intensive Care.
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2011 (English)In: Critical Care, ISSN 1364-8535, E-ISSN 1466-609X, Vol. 15, no 2, R87- p.Article in journal (Refereed) Published
Abstract [en]

Introduction: Beta-blockers have cardioprotective, metabolic and immunomodulating effects that may be beneficial to patients in intensive care. We examined the association between preadmission beta-blocker use and 30-day mortality following intensive care. Methods: We identified 8,087 patients over age 45 admitted to one of three multidisciplinary intensive care units (ICUs) between 1999 and 2005. Data on the use of beta-blockers and medications, diagnosis, comorbidities, surgery, markers of socioeconomic status, laboratory tests upon ICU admission, and complete follow-up for mortality were obtained from medical databases. We computed probability of death within 30 days following ICU admission for beta-blocker users and non-users, and the odds ratio (OR) of death as a measure of relative risk using conditional logistic regression and also did a propensity score-matched analysis. Results: Inclusion of all 8,087 ICU patients in a logistic regression analysis yielded an adjusted OR of 0.82 (95% confidence interval (CI): 0.71 to 0.94) for beta-blocker users compared with non-users. In the propensity score-matched analysis we matched all 1,556 beta-blocker users (19.2% of the entire cohort) with 1,556 non-users; the 30-day mortality was 25.7% among beta-blocker users and 31.4% among non-users (OR 0.74 (95% CI: 0.63 to 0.87)]. The OR was 0.69 (95% CI: 0.54 to 0.88) for surgical ICU patients and 0.71 (95% CI: 0.51 to 0.98) for medical ICU patients. The OR was 0.99 (95% CI: 0.67 to 1.47) among users of non-selective beta-blockers, and 0.70 (95% CI: 0.58 to 0.83) among users of cardioselective beta-blockers. Conclusions: Preadmission beta-blocker use is associated with reduced mortality following ICU admission.

Place, publisher, year, edition, pages
2011. Vol. 15, no 2, R87- p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-156691DOI: 10.1186/cc10085ISI: 000292506000011OAI: oai:DiVA.org:uu-156691DiVA: diva2:432858
Available from: 2011-08-08 Created: 2011-08-07 Last updated: 2012-01-03Bibliographically approved

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