4.6 Article

Comparative effectiveness of bisoprolol and carvedilol among patients receiving maintenance hemodialysis

Journal

CLINICAL KIDNEY JOURNAL
Volume 14, Issue 3, Pages 983-990

Publisher

OXFORD UNIV PRESS
DOI: 10.1093/ckj/sfaa248

Keywords

acute coronary syndrome; bisoprolol; cardiovascular event; carvedilol; heart failure; hemodialysis; mortality; stroke

Funding

  1. Swedish Research Council [2019-01059]
  2. Kaohsiung Medical University [KMU-Q108024]
  3. Kaohsiung Medical University Hospital [KMUH108-8M11, KMUH107-7R16, KMUH106-6T03, KMUH 106-6R17, KMUH104-4R11, KMUH103-3R10]
  4. Swedish Heart and Lung Foundation

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This study compared the health outcomes associated with the two most commonly used beta-blockers, carvedilol and bisoprolol, in patients undergoing hemodialysis, finding that bisoprolol initiation was associated with a lower 2-year risk of death and major adverse cardiovascular events, mainly due to lower risks of heart failure and ischemic stroke.
Background. Despite widespread use, there is no trial evidence to inform beta-blocker's (BB) relative safety and efficacy among patients undergoing hemodialysis (HD). We herein compare health outcomes associated with carvedilol or bisoprolol use, the most commonly prescribed BBs in these patients. Methods. We created a cohort study of 9305 HD patients who initiated bisoprolol and 11171 HD patients who initiated carvedilol treatment between 2004 and 2011. We compared the risk of all-cause mortality and major adverse cardiovascular events (MACEs) between carvedilol and bisoprolol users during a 2-year follow-up. Results. Bisoprolol initiators were younger, had shorter dialysis vintage, were women, had common comorbidities of hypertension and hyperlipidemia and were receiving statins and antiplatelets, but they had less heart failure and digoxin prescriptions than carvedilol initiators. During our observations, 1555 deaths and 5167 MACEs were recorded. In the multivariable-adjusted Cox model, bisoprolol initiation was associated with a lower all-cause mortality {hazard ratio [HR] 0.66 [95% confidence interval (CI) 0.60-0.73]} compared with carvedilol initiation. After accounting for the competing risk of death, bisoprolol use (versus carvedilol) was associated with a lower risk of MACEs [HR 0.85 (95% CI 0.80-0.91)] and attributed to a lower risk of heart failure [HR 0.83 (95% CI 0.77-0.91)] and ischemic stroke [HR 0.84 (95% CI 0.72-0.97)], but not to differences in the risk of acute myocardial infarction [HR 1.03 (95% CI 0.93-1.15)]. Results were confirmed in propensity score matching analyses, stratified analyses and analyses that considered prescribed dosages or censored patients discontinuing or switching BBs. Conclusions. Relative to carvedilol, bisoprolol initiation by HD patients was associated with a lower 2-year risk of death and MACEs, mainly attributed to lower heart failure and ischemic stroke risk.

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