• Mayo Clinic proceedings · Feb 2023

    Pre-admission and In-Hospital Statin Use is Associated With Reduced Short Term Mortality in Infective Endocarditis.

    • Si-Yeung Yu, Hang-Long Li, Yi-Kei Tse, Xue Li, Qing-Wen Ren, Mei-Zhen Wu, Pui-Fai Wong, Hung-Fat Tse, LipGregory Y HGYHLiverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, United Kingdom., and Kai-Hang Yiu.
    • Division of Cardiology, Department of Medicine, the University of Hong Kong Shenzhen Hospital, Shenzhen, China; Division of Cardiology, Department of Medicine, the University of Hong Kong, Queen Mary Hospital, Hong Kong, China.
    • Mayo Clin. Proc. 2023 Feb 1; 98 (2): 252265252-265.

    ObjectiveTo investigate for potential protective effects of statin use among patients with infective endocarditis (IE) with consideration for underlying diseases and bacterial culture - variables which have prognostic implications and show considerable geographic variation yet are unappreciated in previous pharmacoepidemiological studies.Patients And MethodsPatients diagnosed with IE between January 1, 1996, and December 31, 2019, were identified. We estimated the effect on mortality of pre-admission statin use (≥90 cumulative days of use before index date) and in-hospital use (use beginning within 2 days of admission), compared with nonusers and discontinued users, respectively, through propensity score analytics.ResultsOf 6700 IE patients (mean age, 58.0 years; 63.3% male [n=4251]), 776 patients had pre-admission statin use, with 626 continuing statin use following admission (in-hospital users). Pre-admission statin users had a 31% lower risk of 1-year mortality (HR, 0.69; 95% CI, 0.58 to 0.82) compared with nonusers. In-hospital users had a 48% lower risk of 1-year mortality (HR, 0.52; 95% CI, 0.34 to 0.78) compared with discontinued users. Subgroup analyses showed significant protective effects of statin use for patients with varying causative agents, underlying diseases, and with or without prosthetic valves. Results were consistent across different statins, and were dose-dependent.ConclusionIn patients with IE, pre-admission and in-hospital use of statin, when compared with statin nonusers and discontinued users, respectively, were associated with a lower risk of 1-year mortality.Copyright © 2022 Mayo Foundation for Medical Education and Research. Published by Elsevier Inc. All rights reserved.

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