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Nutrition Reviews, nuac091, https://doi.org/10.1093/nutrit/nuac091
Orlagh Feehan, Pamela J Magee, L Kirsty Pourshahidi, David J Armstrong, Emeir M McSorley
Vitamin D deficiency is a global public health issue, particularly in nursing home residents.
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.
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
VitaminDWiki – Seniors contains:
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
Nursing homes and Vitamin D - many studies
13 reasons why many seniors need more vitamin D (both dose and level) - July 2023 has:
- Senior skin produces 3X less Vitamin D for the same sun intensity
- Seniors have fewer vitamin D receptor genes as they age
Receptors are needed to get Vitamin D in blood actually into the cells
- Many other Vitamin D genes decrease with age
- Since many gene activations are not detected by a blood test,
more Vitamin D is often needed, especially by seniors
- Seniors are indoors more than when they were younger
not as agile, weaker muscles; frail, no longer enjoy hot temperatures
- Seniors wear more clothing outdoors than when younger
Seniors also are told to fear skin cancer & wrinkles
- Seniors often take various drugs which end up reducing vitamin D
Some reductions are not detected by a vitamin D test of the blood
statins, chemotherapy, anti-depressants, blood pressure, beta-blockers, etc
- Seniors often have one or more diseases that consume vitamin D
osteoporosis, diabetes, Multiple Sclerosis, Cancer, ...
- Seniors generally put on weight at they age - and a heavier body requires more vitamin D
- Seniors often (40%) have fatty livers – which do not process vitamin D as well
- Reduced stomach acid means less Magnesium is available to get vitamin D into the cells
- Vitamin D is not as bioavailable in senior intestines
- Seniors with poorly functioning kidneys do not process vitamin D as well
Seniors category has
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