Nursing homes and Vitamin D - many studies

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22+ VitaminDWiki pages with NURSING HOME in title

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Vitamin D deficiency in nursing home residents: a systematic review - Nov 2022

Nutrition Reviews, nuac091, https://doi.org/10.1093/nutrit/nuac091
Orlagh Feehan, Pamela J Magee, L Kirsty Pourshahidi, David J Armstrong, Emeir M McSorley

Context
Vitamin D deficiency is a global public health issue, particularly in nursing home residents.

Objective
This review critically summarizes the prevalence of vitamin D deficiency in nursing home residents worldwide. In addition, it outlines the effect of vitamin D intervention, alone or in combination with other nutrients or therapies, on improving vitamin D status and associated health outcomes in nursing home residents.

Data Sources, Extraction, and Analysis
Searches were conducted of electronic databases for articles published from 2010 to May 2021. After screening of the 366 papers initially identified, 58 articles were included.

Conclusions
A paucity of observational studies in nursing homes suggests a high prevalence of vitamin D deficiency ranging from 8% [25(OH)D <25 nmol/L], up to 94% [25(OH)D <50 nmol/L] in some cohorts where supplement use was low. Reported factors associated with deficiency and suboptimal vitamin D status include lack of sunlight exposure, poor dietary intake of vitamin D, limited vitamin D food fortification, frailty, poor renal function, and low use of vitamin D supplements.
Residents who are severely deficient, deficient, or insufficient in vitamin D require remedial vitamin D supplementation prior to maintenance supplementation at doses >800 IU/day. High-dose vitamin D supplementation may reduce respiratory illness; however, supportive data are limited. Oral nutritional supplements, in combination with exercise, may benefit physical function and performance, whereas supplementation with vitamin D– and calcium-fortified foods has been associated with improved quality of life and reduced bone resorption. Globally, vitamin D deficiency is highly prevalent in nursing home residents. There is an urgent need for standardized dietary and supplementation guidelines to prevent deficiency in this vulnerable group.
 Download the PDF from VitaminDWiki   study includes many large tables

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VitaminDWiki – Seniors contains:

393 items in Seniors

see also
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Overview Diabetes and vitamin D
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Mortality category listing has 293 items along with related searches

Overview Osteoporosis and vitamin D
Restless Legs Syndrome dramatically reduced by vitamin D, etc
Overview Rheumatoid Arthritis and vitamin D
Fraility and Vitamin D - many studies many studies
Search VitaminDWIKI for "GAIT SPEED" 173 items as of Aug 2020
10 reasons why seniors need more vitamin D has the following

1. Senior skin produces 3X less Vitamin D for the same sun intensity
2. Seniors have fewer vitamin D receptors as they age
3. Seniors are indoors more than than when they were younger
   • not as agile, weaker muscles; frail, no longer enjoy hot temperatures
   • (if outside, stay in the shade), however, seniors might start outdoor activities like gardening, biking, etc.
4. Seniors wear more clothing outdoors than when younger
   • Seniors also are told to fear skin cancer/wrinkles
5. Seniors often take various drugs which reduce vitamin D
   • Some reductions would not show up on vitamin D test
   • statins, chemotherapy, anti-depressants, blood pressure, beta-blockers, etc
6. Seniors often have one or more diseases which consume vitamin D
   • osteoporosis, diabetes, MS, ...
7. Seniors generally put on weight at they age - and a heavier body requires more vitamin D
8. Seniors often (40%) have fatty livers – which do not process vitamin D as well
9. Reduced stomach acid ==>less Magnesium needed to utilize vitamin D
   (would not show up on vitamin D test)
10. Seniors with poorly functioning kidneys do not process vitamin D as well
    (would not show up on vitamin D test) 2009 full text online  Also PDF 2009
11. Vitamin D is not as bioavailable in senior digestive systems (Stomach acid or intestines?)

• Category Seniors and Vitamin D 393 items