Impact of prior statin use on mortality in patients with type 2 diabetes mellitus and bloodstream infection.
JOURNAL OF INTERNATIONAL MEDICAL RESEARCH(2019)
Abstract
Objective This study assessed the effect of prior statin use on the 28-day mortality of patients with type 2 diabetes mellitus (DM) who develop bloodstream infections. Methods This retrospective cohort study included all adult type 2 DM patients with bacteremia and verified prior medication history who visited the emergency department of a single tertiary hospital between January 2007 and December 2013. All major adverse consequences including septic shock events, use of mechanical ventilation, intensive care unit admission, and 28-day mortality were assessed. Results A total of 1,979 patients were enrolled in the study, of whom 507 were taking statins. Statin users had less severe disease presentation and lower levels of sepsis biomarkers such as bandemia (1.3 +/- 3.1 vs 1.8 +/- 4.2). After adjustment for confounding variables using a Cox regression model, only older age (adjusted hazard ratio [HR]: 1.04, 95% confidence interval [CI], 1.01-1.04), urinary tract infection (adjusted HR: 0.56, 95% CI, 0.43-0.75), and prior statin use (adjusted HR: 0.58, 95% CI: 0.42-0.85) were significantly associated with 28-day in-hospital mortality. Conclusion Prior statin treatment in patients with type 2 DM and bacteremia was associated with a lower 28-day in-hospital mortality rate.
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Key words
HMG-CoA inhibitor,sepsis,prevention,type 2 diabetes mellitus,bacteremia,statin
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