Differences in vitamin D status between countries in young adults and the elderly
McKenna MJ
The American journal of medicine · 359 citas
Etiquetas de revisión
Financiación no declaradaDatos neutrales que nuestra revisión registró sobre cómo se hizo este estudio. Describen el método, nunca si nos gusta el resultado.
Cómo se estudió
- Diseño
- Metaanálisis (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 1992-07-01 · Am J Med · vol. 93 · número 1 · págs. 69–77
- Editorial
- Elsevier BV
- Citado
- 608 citas · más que el 97% de estudios similares · 6.8× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 162 trabajos
- Acceso
- De pago
- Áreas de investigación
- Vitamin D Research Studies · Nutrition and Health Studies · Bone health and osteoporosis research
- Palabras clave
- vitamin D status, 25-hydroxyvitamin D, seasonal variation, young adults, older adults, vitamin D deficiency, bone metabolism, sun exposure, vitamin D intake, vitamin D fortification, vitamin D supplementation, cross-national comparison, Europe, North America, Scandinavia
- MeSH
- humans, bone diseases, vitamin d deficiency, hydroxycholecalciferols, alkaline phosphatase, vitamin d, institutionalization, administration, oral, prevalence, seasons, residence characteristics, nutritional status, aging, adult, aged, north america, asia, europe, female, male, meta-analysis as topic
1 autor
- Malachi J. McKenna🇮🇪 · autor de correspondenciaSt Michael’s Hospital; St. Vincent's University Hospital
Resumen
El texto original del estudio, en el idioma en que se publicó.
Purpose
To compare vitamin D status between countries in young adults and in the elderly.
Materials and methods
Reports on vitamin D status (as assessed by serum 25-hydroxyvitamin D) from 1971 to 1990 were reviewed. Studies were grouped according to geographic regions: North America (including Canada and the United States); Scandinavia (including Denmark, Finland, Norway, and Sweden); and Central and Western Europe (including Belgium, France, Germany, Ireland, The Netherlands, Switzerland, and the United Kingdom).
Results
Vitamin D status varies with the season in young adults and in the elderly, and is lower during the winter in Europe than in both North America and Scandinavia. Oral vitamin D intake is lower in Europe than in both North America and Scandinavia. Hypovitaminosis D and related abnormalities in bone chemistry are most common in elderly residents in Europe but are reported in all elderly populations.
Conclusions
The vitamin D status in young adults and the elderly varies widely with the country of residence. Adequate exposure to summer sunlight is the essential means to ample supply, but oral intake augmented by both fortification and supplementation is necessary to maintain baseline stores. All countries should adopt a fortification policy. It seems likely that the elderly would benefit additionally from a daily supplement of 10 micrograms of vitamin D.
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