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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3251

Title: Age-associated endocrine deficiencies as potential determinants of femoral neck (type II) osteoporotic fracture occurrence in elderly men
Authors: Boonen, S
Vanderschueren, D
GEUSENS, Piet
Bouillon, R
Issue Date: 1997
Publisher: BLACKWELL SCIENCE LTD
Citation: INTERNATIONAL JOURNAL OF ANDROLOGY, 20(3). p. 134-143
Abstract: Osteoporotic fractures, and especially hip fractures, are a leading cause of morbidity and mortality among elderly men. Among other factors, a decline in bone mass has been identified as the major determinant of the age-related reduction in bone strength and therefore of osteoporotic fracture risk. Recent evidence suggests that age-associated endocrine deficiencies may contribute to femoral bone loss and hip fracture occurrence in elderly men. The decline in circulating androgen levels and the decreased activity of the growth hormone-insulin-like growth factor-I axis may result in a reduction in bone formation that contributes to the age-related increase in bone fragility in men. Vitamin D deficiency-induced secondary hyperparathyroidism, on the other hand, may further enhance bone loss by activating bone turnover and so increasing the number of bone remodelling units with impaired bone formation. On the basis of these pathophysiological models, guidelines can be developed for the prevention of age-related bone loss in men, but these approaches lack validation. The results of controlled intervention trials will have to be awaited to answer the question of whether hormone replacement therapy attenuates bone loss and reduces fracture incidence in elderly men.
Notes: KATHOLIEKE UNIV LEUVEN,DEPT INTERNAL MED,DIV GERIATR MED,B-3001 LOUVAIN,BELGIUM. KATHOLIEKE UNIV LEUVEN,ARTHRIT & METAB BONE DIS RES UNIT,B-3001 LOUVAIN,BELGIUM. KATHOLIEKE UNIV LEUVEN,LAB EXPT MED & ENDOCRINOL,B-3001 LOUVAIN,BELGIUM. LIMBURGS UNIV CTR,DIEPENBEEK,BELGIUM.
URI: http://hdl.handle.net/1942/3251
DOI: 10.1046/j.1365-2605.1997.00047.x
ISI #: A1997YB80800002
ISSN: 0105-6263
Type: Journal Contribution
Appears in Collections: Research publications

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