Cuellar, M L, Gluck, O, Molina, J F et al. · Clinical rheumatology · 1995 · DOI
This study looked at 300 women with silicone breast implants who came to a rheumatology clinic with muscle and joint pain. The researchers found that over 80% of these women had signs of connective tissue disease, and more than half met criteria for fibromyalgia or chronic fatigue syndrome. When some women had their implants removed, over 70% reported improvement in their overall symptoms.
This study is relevant to ME/CFS patients because it documents a significant overlap between silicone implant-associated symptomatology and CFS/fibromyalgia diagnoses (54% of cohort), and demonstrates that symptom improvement occurred in a majority of patients following implant removal. Understanding potential environmental or material triggers for ME/CFS-like illness may inform investigation of disease etiology and inform patient management decisions.
This study does not prove that silicone implants cause ME/CFS or connective tissue disease, as it lacks a control group of asymptomatic implant-bearing women and relies on referred, symptomatic patients only. The cross-sectional design establishes association and temporal relationship but not definitive causation. The improvement after explanation could reflect placebo effect, natural disease course, or removal of an actual causative agent, but the study cannot distinguish between these mechanisms.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
Spotted an error in this entry? Report it →