Epidemiology of osteoporosis

Masi, Laura (2008) Epidemiology of osteoporosis. Clinical cases in mineral and bone metabolism, 5 (1). pp. 11-13. ISSN 1971-3266

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Abstract

Osteoporosis is defined as a reduction in bone mass and disruptionof bone architecture, resulting in reduced bone strengthand increase of bone fractures and it is responsible for more than 1.5 million fractures annually, including 300,000 hip fractures, approximately 700,000 vertebral fractures, 250,000 wrist fractures, and more than 300,000 fractures at other sites. Thelifetime risk for any fragility fractures in Caucasian women at age 50 years approaches 40% and 13% in men. During childhood and adolescence there is a rapid linear and appositional skeletal growth with a peak bone mass attained during the third decade of life. During adult life the mechanical integrity of the skeleton is maintained by the process of bone remodeling, in which old bone is removed by osteoclasts and subsequently replaced by new bone, formed by osteoblasts. In recent years, we have come to appreciate that the close association between bone and vasculature plays a pivotal role in the regulation of bone remodeling and fracture repair. Vitamin D, OPG/RANK/ RANK-L system, Matrix Gla-proteins (Mgp) and Fetuin-A/calciumphosphate mineral phase complex play an important role in the regulation of bone homeostasis and vascular calcifications. A greater understanding of the biological linkages may lead to new dual-purpose therapies that may ultimately prevent the adverse outcomes of osteoporosis and atherosclerosis.

Item Type:	Article
Uncontrolled Keywords:	Osteoporosis, atherosclerosis, vitamin D, OPG/RANK/RANK-Lsystem, Matrix Gla-proteins (Mgp), fetuin-A/calcium phosphate mineral phase complex
Subjects:	600 Tecnologia - Scienze applicate > 610 Medicina e salute (Classificare qui la tecnologia dei servizi medici) > 612 Fisiologia umana > 612.7 Sistema muscoloscheletrico, tegumento
Depositing User:	Danilo Dezzi
Date Deposited:	17 Jan 2014 13:24
Last Modified:	17 Jan 2014 13:24
URI:	http://eprints.bice.rm.cnr.it/id/eprint/5040

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