Aaqib H Malik, Suchith Shetty, Kausik Kar, Ramzi El Accaoui. Effect of β-blocker therapy in diabetic patients with stable coronary heart disease: a meta-analysis[J]. Journal of Geriatric Cardiology, 2019, 16(3): 291-297. DOI: 10.11909/j.issn.1671-5411.2019.03.008
Citation: Aaqib H Malik, Suchith Shetty, Kausik Kar, Ramzi El Accaoui. Effect of β-blocker therapy in diabetic patients with stable coronary heart disease: a meta-analysis[J]. Journal of Geriatric Cardiology, 2019, 16(3): 291-297. DOI: 10.11909/j.issn.1671-5411.2019.03.008

Effect of β-blocker therapy in diabetic patients with stable coronary heart disease: a meta-analysis

  • Background β-blocker (BB) therapy is a cornerstone for the treatment of coronary heart disease (CHD). The evidence of the benefit from long-term BB therapy in diabetic patients with stable CHD is scarce. This meta-analysis summarizes the evidence relating to the BB therapy in diabetic patients with stable CHD. Methods A meta-analysis was performed according to PRISMA and MOOSE guidelines for reporting of systematic reviews of observational studies. PubMed, Embase, and Cochrane central were searched and two authors independently screened studies for eligibility. The quality of studies was assessed with the Newcastle Ottawa scale. The primary outcome of interest was all-cause mortality, cardiovascular (CV) mortality and major adverse cardiovascular events (MACE) in diabetic patients with and without BB therapy. A generic inverse variance model was used to pool odds ratio or hazards ratio from included studies to calculate the overall effect estimate. The significance threshold was set at P-value 2. Results Four non-randomized studies with 9515 participants were selected for the analyses. Four studies were post-hoc analyses of randomized controlled trials, and one article was an analysis of a nationally representative survey. In a fixed effects model, BB therapy in diabetic patients with stable CHD was found to be associated with increased risk of CV mortality, and MACE (27% and 32% respectively; P-value P-value = 0.22). Conclusion BB therapy in diabetic patients with stable CHD appears to be linked to higher mortality. Large randomized trials are needed in this population to confirm these findings.
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