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Meta-Analysis
. 2019 Apr 15:223:74-87.
doi: 10.1016/j.lfs.2019.03.005. Epub 2019 Mar 6.

Is there an association between asthma and periodontal disease among adults? Systematic review and meta-analysis

Maria Karolina Martins Ferreira  1 , Railson de Oliveira Ferreira  1 , Micaele Maria Lopes Castro  1 , Marcela Barauna Magno  2 , Anna Paula Costa Ponte Sousa Carvalho Almeida  1 , Nathalia Carolina Fernandes Fagundes  3 , Lucianne Cople Maia  2 , Rafael Rodrigues Lima  4
Affiliations
Meta-Analysis

Is there an association between asthma and periodontal disease among adults? Systematic review and meta-analysis

Maria Karolina Martins Ferreira et al. Life Sci. .

Abstract

This systematic review and meta-analysis aimed to investigate a possible association between asthma and periodontal disease in adults. This study was conducted by Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and the searches were performed on the following databases: PubMed, Scopus, Web of Science, Cochrane, LILACS, OpenGrey e Google Scholar. In this systematic review, observational studies with adult humans, which evaluated patients with and without asthma, were selected to verify the association between both diseases. To qualitative analysis, Fowkes and Fulton guidelines was used and for the quantitative analysis, it was used the mean and standard deviation from each group (with and without asthma), using confidence interval (CI) 95% and heterogeneity were tested using I2 index. Furthermore, a summary of the overall strength of evidence was presented using Grading of recommendations, assessment, development, and evaluation (GRADE). 3395 studies were identified, 11 were included on this systematic review to qualitative analysis and 6 of them to quantitative synthesis. Six meta-analyses were performed to the following clinical parameters: plaque index (PI), gingival index (GI), bleeding on probing (BOP), papillary bleeding index (PBI), calculus index (CI), clinical attachment loss (CAL). The meta-analysis results for CI was (p < 0.00001, I2 = 0%) PBI (p < 0.00001, I2 = 0%), CAL (p = 0,03, I2 = 98%) showed higher means for the asthmatic group. For BOP (p = 0.20 I2 = 83%), GI (p = 0.14 I2 = 97%) and PI (p = 0.53 I2 = 95%) non-statistical difference was found. The level of evidence analysis (GRADE) presented a low level of evidence among the clinical parameters. This systematic review and meta-analysis observed that asthmatic individuals present more periodontal disease, especially gingivitis, when compared to healthy individuals, but further studies with similar methods are necessary to evaluate interactions between both diseases.

Keywords: Adults; Asthma; Gingivitis; Periodontal disease; Periodontitis.

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