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Insufficient Vitamin D Intake and Low Vitamin D Status in Men Over 80 Y of Age: Intervention is Required To Meet Dietary Targets in Long-Term Care Facilities | Abstract
ISSN: 2376-1318

Vitamins & Minerals
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Research Article

Insufficient Vitamin D Intake and Low Vitamin D Status in Men Over 80 Y of Age: Intervention is Required To Meet Dietary Targets in Long-Term Care Facilities

Isabelle Germain1,2, Sherry Agellon1 and Hope Weiler1*
1School of Dietetics and Human Nutrition, McGill University, Ste Anne de Bellevue, Canada
2Ste-Anne’s Hospital, Veterans Affairs Canada, Ste-Anne de Bellevue, Canada
Corresponding Author : Hope Weiler
School of Dietetics and Human Nutrition
McGill University, Canada
E-mail: [email protected]
Received June 10, 2013; Accepted June 12, 2013; Published July 17, 2013
Citation: Germain I, Agellon S, Weiler H (2013) Insufficient Vitamin D Intake and Low Vitamin D Status in Men Over 80 Y of Age: Intervention is Required To Meet Dietary Targets in Long-Term Care Facilities. Vitam Miner 2:113. doi:10.4172/vms.1000113
Copyright: © 2013 Germain I, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Vitamin D is important to bone health. This study examined vitamin D intake and status in institutionalized elderly men in relation to biomarkers of bone metabolism and functional indicators. Materials and Methods: Elderly male veterans were studied in Phase I (n=40) for 16 weeks (April, June, August 2008) and Phase II (n=30) for another 16 weeks (October and December 2008 and February 2009) for dietary vitamin D using 5 day menu selection (Phase I) and using 3×3-d weighed food records (Phase II). Anthropometric data, Mini-Mental State Evaluation (MMSE) scores and sun exposure were collected. Functional capacity was assessed using the Frail Elderly Functional Assessment Tool (FEFA) and handgrip strength. Biochemistry included serum 25-hydroxyvitamin D (25(OH)D), parathyroid hormone (PTH), osteocalcin (OC) and C-terminal telopeptides of Type 1 collagen (CTX). Mixed model ANOVA and Pearson correlations analyses were used. Results: Participants were relatively healthy (Age: 85 ± 3 years (Mean ± SD), BMI: 26.1 ± 4.3 kg/m2, MMSE: 25 ± 5, FEFA: 13 ± 8, grip strength: 22 ± 8 kg). Sixty-six percent (280 ± 120 IU) of the planned dietary vitamin D was consumed. Vitamin D came mainly from fortified milk and meal supplements and 33% took pill supplements (400-800 IU/d). Serum 25(OH) D concentration rose by summer (Phase I: 60.9 ± 24.4, 68.2 ± 24.6 and 76.1 ± 22.4 nmol/L, respectively) and declined thereafter (Phase II: 57.7 ± 24.1, 62.9 ± 30.7 and 61.3 ± 29.2 nmol/L). PTH was lower in spring compared to late summer through winter whereas CTX and OC did not change. Serum 25(OH) D was correlated to BMI, but not to indicators of functional status. Conclusions: In long-term care, vitamin D from foods and supplements fails to meet recommendations of 800 IU (20 μg) for those over 70 y.

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