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Silicone breast implants and connective tissue diseases: How does current evidence add to the no-association consensus? Systematic review and meta-analysis

ABSTRACT To evaluate the current state of the evidence regarding the association of silicone breast implantation with the onset of connective tissue diseases, constitutional symptoms, and rheumatic serological profile in adult women. A comprehensive search was carried out using MEDLINE, Embase, Web of Science and Scopus, from inception to September 2, 2020. Cohort studies assessing the clinical and serological profile of women with cosmetic breast implants were included. Meta-analyses were conducted using risk ratios. A total of 10 cohorts with overall moderate quality of evidence were included in this systematic review. Exposure to silicone breast implants was slightly associated with the development of rheumatoid arthritis [RR: 1.35; (95% CI 1.08 to 1.68); P = .008; I2 = 0%]. However, no significant differences were exhibited between the breast implant-exposed population and controls regarding the rest of the outcomes. In adult women, exposure to silicone breast implantation is not associated with the onset of constitutional symptoms and most connective tissue diseases. A marginal association with rheumatoid arthritis was exhibited, but the certainty of this result is jeopardized by the significant amount of self-reported data for this outcome. Further research is required to adequately explore the clinical significance of these results.