Vitamin D deficiency and hyperparathyroidism in relation to ethnicity: a cross-sectional survey in healthy adults

Moreno‐Reyes, Rodrigo; Carpentier, Yvon; Boelaert, Marleen; Moumni, Khadija El; Dufourny, Ghislaine; Bazelmans, Christine; Lévêque, Alain; Gervy, Christine; Goldman, Serge

doi:10.1007/s00394-008-0756-1

Cited by 36 publications

(22 citation statements)

References 36 publications

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“…As expected, many studies found a lower exposure to sunlight (e.g., behavior or season) [1–3, 13–18, 27, 32–38] or a restricted intake of vitamin D (via food or supplements) [1, 14, 17, 33, 39, 40], to be associated with a lower serum 25(OH)D concentration.…”

Section: Resultssupporting

confidence: 52%

“…The Moroccan adult women in Morocco, who were measured at the end of winter, had a mean serum 25(OH)D concentration of 45 nmol/l [17]. This was lower than the indigenous population in the Netherlands (median 67 nmol/l) and in Belgium (mean 49 nmol/l) [1, 3]. The Dutch and Belgian populations consisted of both men and women, and these were measured year-round, which might explain the difference.…”

Section: Resultsmentioning

confidence: 99%

“…Female gender was found to be a determinant for a low serum 25(OH)D concentration [2, 4, 15, 33, 35, 36, 41, 42], but not in all studies that compared males and females [3, 19, 20, 31, 41, 43]. Both a younger age [33] and an older age [15, 17] were associated with a lower serum 25(OH)D concentration.…”

Section: Resultsmentioning

confidence: 99%

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Prevalence of vitamin D deficiency among Turkish, Moroccan, Indian and sub-Sahara African populations in Europe and their countries of origin: an overview

et al. 2010

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SummaryVitamin D status of nonwestern immigrants in Europe was poor. Vitamin D status of nonwestern populations in their countries of origin varied, being either similar to the immigrant populations in Europe or higher than in European indigenous populations. Vitamin D concentrations in nonwestern immigrant populations should be improved.PurposeThe higher the latitude, the less vitamin D is produced in the skin. Most European countries are located at higher latitudes than the countries of origin of their nonwestern immigrants. Our aim was to compare the serum 25-hydroxyvitamin D (25(OH)D) concentration of nonwestern immigrant populations with those of the population in their country of origin, and the indigenous population of the country they migrated to.MethodsWe performed literature searches in the “PubMed” and “Embase” databases, restricted to 1990 and later. The search profile consisted of terms referring to vitamin D or vitamin D deficiency, prevalence or cross-sectional studies, and countries or ethnicity. Titles and abstracts were reviewed to identify studies on population-based mean serum 25(OH)D concentrations among Turkish, Moroccan, Indian, and sub-Sahara African populations in Europe, Turkey, Morocco, India, and sub-Sahara Africa.ResultsThe vitamin D status of immigrant populations in Europe was poor compared to the indigenous European populations. The vitamin D status of studied populations in Turkey and India varied and was either similar to the immigrant populations in Europe (low) or similar to or even higher than the indigenous European populations (high).ConclusionsIn addition to observed negative consequences of low serum 25(OH)D concentrations among nonwestern populations, this overview indicates that vitamin D status in nonwestern immigrant populations should be improved. The most efficacious strategy should be the subject of further study.

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Section: Resultssupporting

confidence: 52%

Section: Resultsmentioning

confidence: 99%

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Prevalence of vitamin D deficiency among Turkish, Moroccan, Indian and sub-Sahara African populations in Europe and their countries of origin: an overview

et al. 2010

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“…Two hospital-based studies conducted in women in Rabat revealed a 25(OH)D level in the mid-high teens 78 , 79 . Studies in Moroccan immigrants revealed similarly low levels 95 , 96 . A study of 100 immigrants with mean age of 49 y, showed a mean 25(OH)D of 11 ng/ml and 90% of subjects had mean levels below 20 ng/ml.…”

Section: Magnitude Of the Problem And Predictors Of Low Vitamin D Statusmentioning

confidence: 98%

Hypovitaminosis D in the Middle East and North Africa

Bassil

Rahme²,

Hoteit³

et al. 2013

Dermato-Endocrinology

163

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Background: The Middle East and North Africa (MENA) region registers some of the highest rates of hypovitaminosis D worldwide. Aim: We systematically reviewed the prevalence of hypovitaminosis D, rickets and osteomalacia, their predictors and impact on major outcomes, in the region. Methods: Medline, Pubmed and Embase search engines, entering keywords and concepts, combined with individual countries of interest, were used. Search was limited years 2000–2012; and review articles were used for the period preceding year 2000. Results: Rickets and osteomalacia still occur in this sunny region. Hypovitaminosis D prevails, with rates varying 30–90%, considering a desirable serum 25 hydroxy-vitamin D [25(OH)D] of 20 ng/ml. Advancing age, female gender, multi-parity, clothing style, season, socio-economic status and urban living are recognized predictors of hypovitaminosis D in adults. Prolonged breastfeeding without vitamin D supplementation and low dietary calcium intake are the recognized risk factors for rickets and hypovitaminosis D in children.. Associations with pain score and disease activity in rheumatologic disorders, viral load and interleukins in hepatitis C, BMI, lipids and insulin sensitivity, blood pressure, heart failure and mortality are described. Sun exposure in adults decreased prevalence of metabolic syndrome in one study. Few randomized vitamin D trials revealed that the majority of mothers or children failed to achieve a desirable 25(OH)D level, even with doses by far exceeding current recommendations. A trial in adolescent girls reveals substantial bone and lean mass increments. Conclusion: Hypovitaminosis D is prevalent in MENA. The lack of populations based studies, gaps in studies in infants, pre-pubertal children and pregnant women, hinder the development of region specific guidelines and constitute a major obstacle to impact this chronic and most often subclinical disease.

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“…In 2004, MacFarlane et al [16] conducted a study on 126 presumably healthy volunteers aged 21 to 65 years but during the late winter months. The prevalence of vitamin D deficiency was also assessed among 401 subjects aged 40 to 60 years, and the only determinant linked with serum 25(OH)D was ethnicity [17]. Serum 25(OH)D 3 concentrations were also determined in 542 adults in the 1980s [18].…”

Section: Introductionmentioning

confidence: 99%

Vitamin D deficiency is common among adults in Wallonia (Belgium, 51°30′ North): findings from the Nutrition, Environment and Cardio-Vascular Health study

et al. 2015

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Vitamin D deficiency and hyperparathyroidism in relation to ethnicity: a cross-sectional survey in healthy adults

Cited by 36 publications

References 36 publications

Prevalence of vitamin D deficiency among Turkish, Moroccan, Indian and sub-Sahara African populations in Europe and their countries of origin: an overview

Prevalence of vitamin D deficiency among Turkish, Moroccan, Indian and sub-Sahara African populations in Europe and their countries of origin: an overview

Hypovitaminosis D in the Middle East and North Africa

Vitamin D deficiency is common among adults in Wallonia (Belgium, 51°30′ North): findings from the Nutrition, Environment and Cardio-Vascular Health study

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