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AuthorTurgeon, Ricky D.
AuthorWilby, Kyle J.
AuthorEnsom, Mary H.H.
Available date2017-10-24T06:59:23Z
Publication Date2015-06
Publication NameThe American Journal of Medicine
Identifierhttp://dx.doi.org/10.1016/j.amjmed.2014.11.033
CitationRicky D. Turgeon, Kyle J. Wilby, Mary H.H. Ensom, "Antiviral Treatment of Bell's Palsy Based on Baseline Severity: A Systematic Review and Meta-analysis", The American Journal of Medicine, Volume 128, Issue 6, 2015, Pages 617-628
ISSN00029343
URIhttp://www.sciencedirect.com/science/article/pii/S0002934314012157
URIhttp://hdl.handle.net/10576/5714
AbstractPurposeWe conducted a systematic review with meta-analysis to evaluate the efficacy of antiviral agents on complete recovery of Bell's palsy. MethodsWe searched CENTRAL, Embase, MEDLINE, International Pharmaceutical Abstracts, and sources of unpublished literature to November 1, 2014. Primary and secondary outcomes were complete and satisfactory recovery, respectively. To evaluate statistical heterogeneity, we performed subgroup analysis of baseline severity of Bell's palsy and between-study sensitivity analyses based on risk of allocation and detection bias. ResultsThe 10 included randomized controlled trials (2419 patients; 807 with severe Bell's palsy at onset) had variable risk of bias, with 9 trials having a high risk of bias in at least 1 domain. Complete recovery was not statistically significantly greater with antiviral use versus no antiviral use in the random-effects meta-analysis of 6 trials (relative risk, 1.06; 95% confidence interval, 0.97-1.16; I2 = 65%). Conversely, random-effects meta-analysis of 9 trials showed a statistically significant difference in satisfactory recovery (relative risk, 1.10; 95% confidence interval, 1.02-1.18; I2 = 63%). Response to antiviral agents did not differ visually or statistically between patients with severe symptoms at baseline and those with milder disease (test for interaction, P = .11). Sensitivity analyses did not show a clear effect of bias on outcomes. ConclusionsAntiviral agents are not efficacious in increasing the proportion of patients with Bell's palsy who achieved complete recovery, regardless of baseline symptom severity.
Languageen
PublisherElsevier
SubjectAntiviral
SubjectBell's palsy
SubjectFacial nerve
TitleAntiviral Treatment of Bell's Palsy Based on Baseline Severity: A Systematic Review and Meta-analysis
TypeArticle
Pagination617-628
Issue Number6
Volume Number128


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