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IMS Menopause Live

Is there a relationship between menopause, use of HRT and onset hand osteoarthritis?

11 May 2020

Summary

Burkard and colleagues investigate the influence of onset of menopause and of HRT use on the incidence of hand osteoarthritis (hOA), one of the most common forms of arthritis[1]. This is an epidemiological study in primary care electronic healthcare records from the well-established UK Clinical Practice Research Datalink (CPRD). All women turning 45 were identified and followed for up to 20 years, searching for codes and dates for hOA, menopause and any HRT use. The authors used careful design: 4 controls for every case, adjusting statistically for confounding factors, and also stratifying the results based on timing of current or past HRT use, including the effects of HRT cessation. Key findings were that menopause was a risk for hOA (OR 1.42, CI 1.29-1.57) and the highest proportion of cases of hOA were in the year after menopause, with incidence dropping with increasing time. 55% of cases developed their hOA within four years after menopause. Current users of HRT who started their HRT within 3 months of menopause were relatively protected from incident hOA compared with HRT never users (OR 0.72; CI 0.55-0.96). Cessation of HRT tended to increase incident hOA for the first 18 months; however an overall association of HRT with hOA in women became non-significant if being post-menopausal was considered (OR 0.98, 0.85-1.14).

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