Bone loss in primary biliary cirrhosis: absence of association with severity of liver disease - 01/01/02
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Résumé |
Objectives. The aim of the study was to measure the lumbar bone mineral density in women with primary biliary cirrhosis and to evaluate whether bone mineral density was related to the liver disease, hormonal status and corticosteroid use in these women. Methods. Bone mineral density of the lumbar spine (L2-L4) was assessed by dual emission X-ray absorptiometry in 40 women with primary biliary cirrhosis. Hormonal, bone and liver status were compared with bone mineral density and analyzed by nonparametric statistical tests. Results. Bone loss was evidenced in women with primary biliary cirrhosis compared with control age-matched women (Z-score: -0.9 SD), 32.5% had osteoporosis and 32.5% had osteopenia. The main risk factor of bone loss was the hormonal status: T-score was -1 SD in premenopausal women, -1.1 SD in postmenopausal women receiving an hormonal replacement therapy and - 2.7SD in postmenopausal untreated women. There was no statistically significant relationship between bone mineral density and biological and histological liver characteristics. Conclusion. Primary biliary cirrhosis-associated bone loss was significantly related to postmenopausal estrogen deficiency, and efficiently prevented by hormonal replacement therapy. Interestingly, the severity of primary biliary cirrhosis was not a determinant factor for bone loss in these women.
Mots clés : bone mineral density ; primary biliary cirrhosis.
Plan
Vol 69 - N° 2
P. 195-200 - mars 2002 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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