Author:
Kuo Ming-Jen,Chou Ruey-Hsing,Lu Ya-Wen,Guo Jiun-Yu,Tsai Yi-Lin,Wu Cheng-Hsueh,Huang Po-Hsun,Lin Shing-Jong
Abstract
Abstract
Background
β-blockers may protect against catecholaminergic myocardial injury in critically ill patients. Long-term β-blocker users are known to have lower lactate concentrations and favorable sepsis outcomes. However, the effects of β1-selective and nonselective β-blockers on sepsis outcomes have not been compared. This study was conducted to investigate the impacts of different β-blocker classes on the mortality rate in septic patients.
Methods
We retrospectively screened 2678 patients admitted to the medical or surgical intensive care unit (ICU) between December 2015 and July 2017. Data from patients who met the Sepsis-3 criteria at ICU admission were included in the analysis. Premorbid β-blocker exposure was defined as the prescription of any β-blocker for at least 1 month. Bisoprolol, metoprolol, and atenolol were classified as β1-selective β-blockers, and others were classified as nonselective β-blockers. All patients were followed for 28 days or until death.
Results
Among 1262 septic patients, 209 (16.6%) patients were long-term β-blocker users. Patients with premorbid β-blocker exposure had lower heart rates, initial lactate concentrations, and ICU mortality. After adjustment for disease severity, comorbidities, blood pressure, heart rate, and laboratory data, reduced ICU mortality was associated with premorbid β1-selective [adjusted hazard ratio, 0.40; 95% confidence interval (CI), 0.18–0.92; P = 0.030], but not non-selective β-blocker use.
Conclusion
Premorbid β1-selective, but not non-selective, β-blocker use was associated with improved mortality in septic patients. This finding supports the protective effect of β1-selective β-blockers in septic patients. Prospective studies are needed to confirm it.
Funder
Ministry of Science and Technology, Taiwan
Health Promotion Administration, Ministry of Health and Welfare
Taipei Veterans General Hospital
Publisher
Springer Science and Business Media LLC
Subject
Critical Care and Intensive Care Medicine
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