Osteoporosis y metabolismo óseo en mujeres postmenopáusicas con osteoartritis.

«Osteoporosis y metabolismo óseo en mujeres postmenopáusicas con osteoartritis de la mano.»

Zoli, Angelo MD 1; Lizzio, Marco M. MD 1; Capuano, Anna MD 1; Massafra, Umberto MD 1; Barini, Angela MD 2; Ferraccioli, Gianfranco MD 1

Abstract:

Objective: Osteoarthritis and osteoporosis are two major health problems affecting postmenopausal women. Epidemiological observations seem to demonstrate a possible inverse relationship between osteoarthritis and osteoporosis. Erosive osteoarthritis (EOA) of the hand is a destructive form of primary osteoarthritis. This study evaluated bone mineral density and bone metabolism changes in erosive and nonerosive hand osteoarthritis women.

Design: Fifty-five women (mean age, 59 years; body mass index, 23 +/- 1.4 kg/m2) who had been postmenopausal for an average of 9 years and who presented with hand osteoarthritis according to American College of Rheumatology criteria were enrolled in the study; 15 women showed clinical and radiological evidence of hand EOA. Twenty women matched for age, age at menopause, and body mass index formed the control group. Bone mineral density (g/cm2) was measured at the hip and lumbar spine using dual-energy x-ray absorptiometry. Serum and urinary calcium and phosphate, serum 25-hydroxyvitamin D, parathyroid hormone, osteocalcin, and urinary breakdown products of bone matrix (CrossLaps) were analyzed.

Results: Women with hand EOA had a statistically significant lower T- and Z-score L2-L4 value than non-hand EOA women and controls (P < 0.01). Moreover, postmenopausal women with hand EOA had higher significant percentage of osteoporosis at lumbar spine when compared with non-hand EOA postmenopausal women and controls. Any statistically significant difference in osteocalcin and CrossLaps serum levels was noted among women with hand EOA, hand osteoarthritis, and controls.

Conclusions: Our data suggest that postmenopausal women with clinical and radiological EOA are at risk for development of osteoporosis.

Menopause. 13(3):462-466, May/June 2006.

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