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Nutrition clinique et métabolisme
Volume 14, n° 3
pages 216-220 (septembre 2000)
Doi : S0985-0562(00)80025-4
Déficit calcique du sujet âgé
Calcium deficiency in the elderly
 

Chantal Fauchier
 Services de soins de longue durée, centre René-Fortin, CHU Brest, 29820 Bohars, France 

Résumé

L'Organisation mondiale de la Santé (OMS) a placé l'ostéoporose parmi les problèmes prioritaires de Santé Publique et formulé, dans un rapport préliminaire, des recommandations qui soulignent l'importance de la nutrition dans la prévention et le traitement de l'ostéoporose. Il est actuellement bien établi chez le sujet âgé que des apports calciques insuffisants, associés à une diminution de l'absorption intestinale et à une carence en vitamine D, entraînent une hyperparathyroïdie secondaire responsable d'une augmentation de la résorption osseuse et donc du risque fracturaire. De plus, un apport protéique insuffisant diminue la formation osseuse et augmente aussi le risque fracturaire. La prévention nutritionnelle de l'ostéoporose existe et passe par un apport adéquat en calcium, en vitamine D et en protéines. Des études prospectives récentes ont permis de mieux définir l'importance du calcium dans l'acquisition et le maintien du capital osseux maximal.

The full text of this article is available in PDF format.
Summary

The World Health Organisation has tasked a group of experts to edict recommendations for a global strategy against osteoporosis. Various recommendations emphasise the place of nutrition in the prevention and treatment of osteoporosis.

Low calcium intake, associated with reduced intestinal absorption and vitamin D insufficiency translates into secondary hyperparathyroïdism and accelerated rate of bone loss in older individuals. Furthermore low protein intake decreases bone formation and increases fracture risk.

Adequate calcium, vitamin D and protein intakes contribute to the nutritional prevention of osteoporosis. Recent prospective studies indicate the importance of calcium supplementation to maximise peak bone mass and to maintain optimal bone mass.

The full text of this article is available in PDF format.

Keyword : calcium, ostéporose, prévention, protéines, vitamine D

Keywords : calcium, osteoporosis, prevention, proteins, vitamin D




© 2000  Published by Elsevier Masson SAS.
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