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Clinical efficacy of carvedilol treatment for dilated cardiomyopathy: A meta-analysis of randomized controlled trials

Tao Li1, Guoliang Yuan, Chengbin Ma

  • 1Department of Cardiology, Shuyang Hospital of Traditional Chinese Medicine, Shuyang, Jiangsu, China.

Medicine
|May 3, 2019
PubMed

Insights

This meta-analysis shows carvedilol significantly improves cardiac function in patients with dilated cardiomyopathy by reducing heart rate and improving left ventricular ejection fraction. Further research is needed to confirm these findings.

Area of Science:

  • Cardiology
  • Pharmacology
  • Internal Medicine

Background:

  • Dilated cardiomyopathy (DCM) is a significant cardiovascular condition.
  • Previous clinical trials on carvedilol for DCM have yielded inconsistent results.
  • There is a need to consolidate evidence on carvedilol's efficacy in DCM.

Purpose of the Study:

  • To evaluate the clinical efficacy of carvedilol in patients diagnosed with dilated cardiomyopathy.
  • To synthesize findings from randomized controlled trials (RCTs) examining carvedilol's therapeutic benefits.

Main Methods:

  • A systematic literature search was conducted across multiple databases (PubMed, Embase, Cochrane Library, Web of Science, CNKI, Wanfang, VIP) for RCTs.
  • Studies published before March 2018 were included.
  • Weighted mean differences (WMDs) with 95% confidence intervals (CIs) were used for data synthesis.

Main Results:

  • Twenty-one RCTs with 1146 participants were analyzed.
  • Carvedilol treatment resulted in significant improvements in heart rate (HR), left ventricular ejection fraction (LVEF), systolic blood pressure (SBP), and diastolic blood pressure (DBP).
  • Significant reductions were observed in left ventricular end-diastolic diameter (LVEDD), left ventricular end-systolic diameter (LVESD), left ventricular end-diastolic volume (LVEDV), and left ventricular end-systolic volume (LVESV).

Conclusions:

  • Carvedilol demonstrates significant efficacy in improving cardiac function among patients with dilated cardiomyopathy.
  • The findings support the use of carvedilol as a therapeutic agent for DCM.
  • Larger, high-quality, multicenter RCTs are recommended to further validate these results.
Abstract

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