International Journal of Medical Sciences

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23 October 2017

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Int J Med Sci 2013; 10(2):198-205. doi:10.7150/ijms.5248

Research Paper

Statins Therapy Can Reduce the Risk of Atrial Fibrillation in Patients with Acute Coronary Syndrome: A Meta-Analysis

Xue Zhou1*, Jian-lin Du2*, Jia Yuan2, Yun-qing Chen2✉

1. Department of Cardiology, Children's Hospital of Chongqing Medical University, Chongqing, P. R. China.
2. Department of Cardiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, P.R.China.
* Xue Zhou and Jian-lin Du made the same contribution to this paper.

Abstract

Background: It is a controversy whether statins therapy could be beneficial for the occurrence of atrial fibrillation (AF) in acute coronary syndrome (ACS). To clarify this problem, we performed a meta-analysis with the currently published literatures.

Methods: The electronic databases were searched to obtain relevant trials which met the inclusion criteria through October 2011. Two authors independently read the trials and extracted the related information from the included studies. Either fixed-effects models or random-effects models were assumed to calculate the overall combined risk estimates according to I2 statistic. Sensitivity analysis was conducted by omitting one study in each turn, and publication bias was evaluated using Begg's and Egger's test.

Results: Six studies were eligible to inclusion criteria, of the six studies, 161305 patients were included in this meta-analysis, 77920 (48.31%) patients had taken the statins therapy, 83385 (51.69%) patients had taken non-statins therapy. Four studies had investigated the effect of statins therapy on occurrence of new-onset AF in ACS patients, another two had described the association between statins therapy and occurrence of AF in ACS patients with AF in baseline. The occurrence of AF was reduced 35% in statins therapy group compared to that in non-statins group (95% confident interval: 0.55-0.77, P<0.0001), and the effect of statins therapy seemed more beneficial for new-onset AF (RR=0.59, 95%CI: 0.48-0.73, p=0.096) than secondary prevention of AF (RR=0.70, 95%CI: 0.43-1.14, p=0.085). There was no publication bias according to the Begg's and Egger's test (Begg, p=0.71; Egger, p=0.73).

Conclusion: Statins therapy could reduce the risk of atrial fibrillation in patients with ACS.

Keywords: statins, atrial fibrillation, acute coronary syndrome.

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How to cite this article:
Zhou X, Du Jl, Yuan J, Chen Yq. Statins Therapy Can Reduce the Risk of Atrial Fibrillation in Patients with Acute Coronary Syndrome: A Meta-Analysis. Int J Med Sci 2013; 10(2):198-205. doi:10.7150/ijms.5248. Available from http://www.medsci.org/v10p0198.htm