Related Experiment Videos
Association of silicone breast implants with immunologic abnormalities: a prospective study
E W Karlson1, S E Hankinson, M H Liang
1Department of Medicine, Multipurpose Arthritis and Musculoskeletal Diseases Center, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA.
The American Journal of Medicine
|May 13, 1999
Summary
This study found no increased immunologic abnormalities in women with silicone breast implants, except for anti-double-stranded DNA (anti-dsDNA) antibodies, whose clinical relevance remains unclear. Silicone implant exposure did not elevate autoimmune markers in this cohort.
Area of Science:
- Immunology
- Rheumatology
- Plastic Surgery
Background:
- Silicone breast implants are widely used, but concerns persist regarding potential autoimmune or immunologic effects.
- Previous studies have yielded conflicting results on the association between silicone implants and immune system dysregulation.
Purpose of the Study:
- To investigate the association between silicone breast implant exposure and the prevalence of immunologic abnormalities.
- To assess specific autoantibodies and immune markers in women with and without silicone breast implants.
Main Methods:
- A prospective cohort study (Nurses' Health Study) involving 200 women with silicone breast implants and 500 age-matched controls.
- Blood samples were analyzed for antinuclear antibodies (ANA), rheumatoid factor, immunoglobulins, complement, C-reactive protein, and various autoantibodies, including anticardiolipin and antisilicone antibodies.
Main Results:
- No significant differences in antinuclear antibody (ANA) or rheumatoid factor prevalence were found between implant recipients and controls.
- Women with silicone implants showed a significantly higher frequency of anti-single-stranded DNA (anti-ssDNA) antibodies (41% vs. 29%, P=0.012).
- The duration of implant use correlated with increased anti-ssDNA antibody frequency (P=0.03), but not with ANA or rheumatoid factor.
Conclusions:
- Silicone breast implant exposure was not associated with a general increase in immunologic abnormalities.
- A notable exception was the increased frequency of anti-ssDNA antibodies, the clinical significance of which requires further investigation.
- No antisilicone antibodies were detected in any participants.