The short- and long-term risk of stroke after herpes zoster: A meta-analysis

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Abstract

Background: Accumulating evidence indicates that stroke risk may be increased following herpes zoster. The aim of this study is to perform a meta-analysis of current literature to systematically analyze and quantitatively estimate the short and long-term effects of herpes zoster on the risk of stroke. Methods: Embase, PubMed and Cochrane library databases were searched for relevant studies up to March 2016. Studies were selected for analysis based on certain inclusion and exclusion criteria. Relative risks with 95% confidence interval (CI) were extracted to assess the association between herpes zoster and stroke. Results: A total of 8 articles were included in our analysis. The present meta-analysis showed that the risks of stroke after herpes zoster were 2.36 (95% CI: 2.17-2.56) for first 2 weeks, 1.56 (95% CI: 1.46-1.66) for first month, 1.17 (95% CI: 1.13-1.22) for first year, and 1.09 (95% CI: 1.02-1.16) for more than 1 year, respectively. Conclusion: The results of our study demonstrated that herpes zoster was associated with a higher risk of stroke, but the risks decreased along with the time after herpes zoster.

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Liu, X., Guan, Y., Hou, L., Huang, H., Liu, H., Li, C., … Wang, Q. (2016). The short- and long-term risk of stroke after herpes zoster: A meta-analysis. PLoS ONE, 11(10). https://doi.org/10.1371/journal.pone.0165203

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