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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Clinical rheumatology 10 (1991), S. 316-319 
    ISSN: 1434-9949
    Keywords: Osteoarthritis ; Hormones ; Sex Hormone Binding Globulin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Epidemiologic and clinical observations have suggested a relationship between generalised osteoarthritis (GOA) and hormonal and menopausal factors in women. We explored the hypothesis that postmenopausal women with GOA have altered sex hormone status compared with control women. We studied 112 women (mean age 64) with GOA. Controls were 151 women (mean age 54) from the general population without clinical evidence of hand or knee OA. All women were postmenopausal. Serum was assayed by RIA for testosterone, oestradiol, sex hormone binding globulin (SHBG), and dyhydroepiandrosterone sulphate (DHEAS). Because of the differences in mean ages, the results were compared according to equal age groups divided on the basis of tertiles. SHBG was lower in the GOA group, reaching significance in the middle group 53–61 years (58.0 vs 67.9nmol/l p〈0.05). Testosterone was slightly higher in GOA women aged under 53. No consistent differences were seen in the older age group or for the other sex steroids. These preliminary data suggest that middle-aged women with GOA have lower circulating SHBG levels. This implies that higher circulating free oestrogens and androgens are present suggesting a role in the aetiopathogenesis of GOA.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1434-9949
    Keywords: Pyridinium Crosslinks ; Steroids ; Bone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Bone loss is a feature of RA, but the exact mechanisms involved are not clear. The collagen crosslinks deoxypyridinoline (DPYR) and pyridinoline (PYR) are specific indices of ‘mature’ collagen breakdown and reflect increased bone turnover. The aims of the study were to examine crosslink levels in RA and their association with disease activity and the effect of steroids. Urinary crosslinks corrected for creatinine were measured on morning fasting samples by HPLC in 70 postmenopausal women with rheumatoid arthritis (RA) aged 45–65 and compared with 169 postmenopausal healthy age-matched controls from the population. Mean levels of PYR were significantly higher in RA cases than in controls (52.4 versus 37.5 nmols/mmolCr) although mean levels of DPYR did not differ significantly. A weak correlation was found with ESR and PYR (r=0.35) but not with other markers of disease activity. Thirteen of the RA cases were current steroid users and their levels of DPYR and PYR even with low doses, were significantly elevated above those of non-users, ex-users and controls. The finding of raised urinary PYR but not the bone specific DPYR in nonsteroid using RA cases suggests that the increased collagen breakdown does not primarily come from bone but from other sources such as cartilage and synovium. The large increases in collagen excretion in low dose steroid users, may reflect the higher risk of osteoporosis in this group.
    Type of Medium: Electronic Resource
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