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Clinical efficacy of beta1 selective adrenergic blockers in the treatment of neurocardiogenic syncope – a meta-analysis

Original Research

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Authors: Srikanth Vallurupalli, Smita Das

Published Date September 2010 Volume 2010:2 Pages 163 - 167
DOI: http://dx.doi.org/10.2147/CPAA.S12873

Srikanth Vallurupalli1, Smita Das2
1Division of General Internal Medicine, Southern Illinois University School of Medicine, Springfield, IL, USA; 2Department of Kinesiology and Community Health, University of Illinois College of Medicine, Champaign, IL, USA

Background: Beta1 (B1) selective blockers have been widely used for the treatment of neurocardiogenic syncope though clinical trials have shown conflicting degrees of efficacy.
Objective: To study the clinical efficacy of B1 selective blockers compared to placebo in the treatment of neurocardiogenic syncope.
Methods: Four placebo controlled randomized studies were identified after search of existing English language literature. Review Manager (RevMan version 5, Oxford, England) was used for statistical calculations. Both random and fixed effects models were used for analysis.
Results: There was no demonstrable efficacy of B1 blockers compared to placebo even after a pre-specified sensitivity analysis. There was a trend towards more adverse events in the beta blocker group compared to placebo (OR = 2.03 CI = 0.83–3.95, P = 0.12).
Conclusion: There is no clinical evidence for justifying the use of B1 selective blockers in the treatment of adult neurocardiogenic syncope. These agents may in fact lead to a higher rate of adverse events compared to placebo.

Keywords: beta1 selective blockers, neurocardiogenic syncope




 

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