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Oktaria V, Putri DAD, Ihyauddin Z, Julia M, Sulistyoningrum DC, Koon PB, Danchin M, Murni IK. Vitamin D deficiency in South-East Asian children: a systematic review. Arch Dis Child 2022; 107:archdischild-2021-323765. [PMID: 35680405 DOI: 10.1136/archdischild-2021-323765] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 04/29/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To describe the prevalence and determinants of vitamin D deficiency (VDD) among healthy children aged between 0 and 18 years living in South-East Asia (SEA). DESIGN We systematically searched Ovid MEDLINE and Ovid EMBASE for observational studies assessing VDD among healthy children in the SEA region as the primary or secondary outcome from database inception to 6 April 2021. PubMed was used for e-pubs and publications not indexed in Medline. Publications that included abstracts in English were included. We performed a systematic review to describe the prevalence of VDD in SEA children. RESULTS Our initial search identified 550 publications with an additional 2 publications from manual screening. Of those, 21 studies from 5 different countries (Thailand, Indonesia, Vietnam, Malaysia and Cambodia) were summarised and included in forest plots. The prevalence of VDD (<50 nmol/L) ranged from 0.9% to 96.4%, with >50% of newborns having VDD, and severe VDD (<30 nmol/L) ranged from 0% to 55.8%. Female sex and urban living were the most common determinants of VDD. CONCLUSIONS VDD among healthy children living in the SEA region is common. Efforts to detect VDD and the implementation of preventive measures, including education on safe sun exposure and oral vitamin D supplementation or food fortification, should be considered for key target groups, including adolescent females and pregnant and lactating women to improve the vitamin D status of newborns. PROTOCOL REGISTRATION NUMBER This study is registered with PROSPERO (CRD42020181600).
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Affiliation(s)
- Vicka Oktaria
- Department of Biostatistics, Epidemiology and Population Health, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Sleman, Daerah Istimewa Yogyakarta, Indonesia
- Center for Child Health-Pediatric Research Office, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Sleman, Daerah Istimewa Yogyakarta, Indonesia
| | - Dwi Astuti Dharma Putri
- Center for Child Health-Pediatric Research Office, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Sleman, Daerah Istimewa Yogyakarta, Indonesia
| | - Zulfikar Ihyauddin
- Center for Child Health-Pediatric Research Office, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Sleman, Daerah Istimewa Yogyakarta, Indonesia
| | - Madarina Julia
- Child Health Department, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Sleman, Daerah Istimewa Yogyakarta, Indonesia
| | - Dian Caturini Sulistyoningrum
- Department of Nutrition and Health, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Sleman, Daerah Istimewa Yogyakarta, Indonesia
| | - Poh Bee Koon
- Centre for Community Health Studies (ReaCH), Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Selangor, Malaysia
| | - Margaret Danchin
- Department of Paediatrics, The University of Melbourne, Melbourne, Victoria, Australia
- Murdoch Children's Research Institute, Melbourne, Victoria, Australia
- Department of General Medicine, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Indah Kartika Murni
- Center for Child Health-Pediatric Research Office, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Sleman, Daerah Istimewa Yogyakarta, Indonesia
- Child Health Department, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Sleman, Daerah Istimewa Yogyakarta, Indonesia
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Sharifan P, Yaghooti-Khorasani M, Asadi Z, Darroudi S, Rezaie M, Safarian M, Vatanparast H, Eslami S, Tayefi M, Pourrahim E, Mahmoudi E, Mohammadi-Bajgiran M, Khorasanchi Z, Ghazizadeh H, Bagherniya M, Ferns G, Esmaily H, Ghayour Mobarhan M. Association of dietary patterns with serum vitamin D concentration among Iranian adults with abdominal obesity. CLINICAL NUTRITION OPEN SCIENCE 2021. [DOI: 10.1016/j.nutos.2021.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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Murphy T, Phan K, Irvine KN, Lean D. The Role of Micronutrients and Toxic Metals in the Management of Epidemics in Cambodia. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:11446. [PMID: 34769963 PMCID: PMC8582812 DOI: 10.3390/ijerph182111446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/11/2021] [Accepted: 10/28/2021] [Indexed: 11/16/2022]
Abstract
The illegal trade of wildlife in SE Asia has been identified as the likely cause of the COVID-19 pandemic. We reviewed 198 papers on the current COVID pandemic in Cambodia, diseases such as avian influenza and Nipah virus, most likely to develop into a new pandemic in Cambodia, and common features of disease that require mitigation. Artisanal goldmining uses pure mercury in the areas where wildlife is smuggled to China. Moreover, 30-40% of Cambodians are zinc deficient. High levels of arsenic in irrigation water (>1000 µg/L) are associated with very low levels of zinc in rice (5 µg/g) and rice is the primary staple food for the region. Brown rice from nine of 15 paddy fields in the arsenic zone of Cambodia had double the new guidelines of 100 µg/kg inorganic arsenic for children's food in the EU and USA. The combination of deficiencies of essential micronutrients like zinc and pervasive presence of arsenic and mercury has the potential to compromise the immunity of many Cambodians. Innovative solutions are suggested to improve micronutrient nutrition. Toxins that suppress the immune system must be better managed to reduce the virulence of pathogens. Cambodia was not likely the source of the COVID-19 but does have problems that could result in a new pandemic.
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Affiliation(s)
- Thomas Murphy
- Faculty of Science and Technology, International University, Phnom Penh 12000, Cambodia;
| | - Kongkea Phan
- Faculty of Science and Technology, International University, Phnom Penh 12000, Cambodia;
| | - Kim Neil Irvine
- Faculty of Architecture & Planning, Rangsit Campus, Thammasat University, Khlong Nueng 12121, Thailand;
| | - David Lean
- Lean Environmental, Apsley, ON K0L1A0, Canada;
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Toribio MJ, Priego-Capote F, Pérez-Gómez B, Fernández de Larrea-Baz N, Ruiz-Moreno E, Castelló A, Lucas P, Sierra MÁ, Pino MN, Martínez-Cortés M, Luque de Castro MD, Lope V, Pollán M. Factors Associated with Serum Vitamin D Metabolites and Vitamin D Metabolite Ratios in Premenopausal Women. Nutrients 2021; 13:3747. [PMID: 34836003 PMCID: PMC8621214 DOI: 10.3390/nu13113747] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/21/2021] [Accepted: 10/22/2021] [Indexed: 11/16/2022] Open
Abstract
The most representative indicator of vitamin D status in clinical practice is 25(OH)D3, but new biomarkers could improve the assessment of vitamin D status and metabolism. The objective of this study is to investigate the association of serum vitamin D metabolites and vitamin D metabolite ratios (VMRs) with potentially influential factors in premenopausal women. This is a cross-sectional study based on 1422 women, aged 39-50, recruited from a Madrid Medical Diagnostic Center. Participants answered an epidemiological and a food frequency questionnaire. Serum vitamin D metabolites were determined using an SPE-LC-MS/MS platform. The association between participant's characteristics, vitamin D metabolites, and VMRs was quantified by multiple linear regression models. Mean 25(OH)D3 concentration was 49.2 + 18.9 nmol/L, with greater deficits among obese, nulliparous, dark-skinned women, and with less sun exposure. A lower R2 ratio (1,25(OH)2D3/25(OH)D3) and a higher R4 (24,25(OH)2D3/1,25(OH)2D3) were observed in nulliparous women, with high sun exposure, and those with low caloric intake or high consumption of calcium, vitamin D supplements, or alcohol. Nulliparous women had lower R1 (25(OH)D3/Vit D3) and R3 (24,25(OH)2D3/25(OH)D3), and older women showed lower R3 and R4. Vitamin D status modified the association of the VMRs with seasons. VMRs can be complementary indicators of vitamin D status and its endogenous metabolism, and reveal the influence of certain individual characteristics on the expression of hydroxylase enzymes.
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Affiliation(s)
- María José Toribio
- Servicio de Admisión, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain;
- Department of Preventive Medicine, Public Health and Microbiology, Universidad Autónoma de Madrid, 28029 Madrid, Spain
| | - Feliciano Priego-Capote
- Department of Analytical Chemistry, University of Córdoba, 14014 Córdoba, Spain; (F.P.-C.); (M.D.L.d.C.)
- Maimónides Institute of Biomedical Research (IMIBIC), Reina Sofia University Hospital, University of Córdoba, 14004 Córdoba, Spain
| | - Beatriz Pérez-Gómez
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (B.P.-G.); (N.F.d.L.-B.); (E.R.-M.); (P.L.); (M.Á.S.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Nerea Fernández de Larrea-Baz
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (B.P.-G.); (N.F.d.L.-B.); (E.R.-M.); (P.L.); (M.Á.S.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Emma Ruiz-Moreno
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (B.P.-G.); (N.F.d.L.-B.); (E.R.-M.); (P.L.); (M.Á.S.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Adela Castelló
- Faculty of Medicine, University of Alcalá, 28871 Alcalá de Henares, Spain;
| | - Pilar Lucas
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (B.P.-G.); (N.F.d.L.-B.); (E.R.-M.); (P.L.); (M.Á.S.); (M.P.)
| | - María Ángeles Sierra
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (B.P.-G.); (N.F.d.L.-B.); (E.R.-M.); (P.L.); (M.Á.S.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Marina Nieves Pino
- Servicio de Prevención y Promoción de la Salud, Madrid Salud, Ayuntamiento de Madrid, 28007 Madrid, Spain; (M.N.P.); (M.M.-C.)
| | - Mercedes Martínez-Cortés
- Servicio de Prevención y Promoción de la Salud, Madrid Salud, Ayuntamiento de Madrid, 28007 Madrid, Spain; (M.N.P.); (M.M.-C.)
| | - María Dolores Luque de Castro
- Department of Analytical Chemistry, University of Córdoba, 14014 Córdoba, Spain; (F.P.-C.); (M.D.L.d.C.)
- Maimónides Institute of Biomedical Research (IMIBIC), Reina Sofia University Hospital, University of Córdoba, 14004 Córdoba, Spain
| | - Virginia Lope
- Servicio de Admisión, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain;
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (B.P.-G.); (N.F.d.L.-B.); (E.R.-M.); (P.L.); (M.Á.S.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Marina Pollán
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (B.P.-G.); (N.F.d.L.-B.); (E.R.-M.); (P.L.); (M.Á.S.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
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Aji AS, Yusrawati Y, G Malik S, Lipoeto NI. The Association of Maternal Vitamin D Status during Pregnancy and Neonatal Anthropometric Measurements: A Longitudinal Study in Minangkabau Pregnant Women, Indonesia. J Nutr Sci Vitaminol (Tokyo) 2021; 66:S63-S70. [PMID: 33612650 DOI: 10.3177/jnsv.66.s63] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The prevalence of vitamin D deficiency (VDD) appears to be increasing. VDD during pregnancy has been associated with several adverse pregnancy outcomes. This study aimed to investigate the association between VDD and fetal anthropometric measurement. This prospective cohort study consisted of 232 pregnant women in their first trimester who were recruited at the antenatal clinics and they maintained to be subjects of the study until their delivery time. Serum 25-hydroxyvitamin D (25(OH)D) concentration was measured at first and third trimester using enzyme-linked immunosorbent assay. The prevalence of VDD in the first-trimester was 82.8%. Mean of 25(OH)D concentration in the third-trimester was significantly higher than in the first trimester (14.00 (6.98) vs. 21.22 (10.17) ng/mL). After adjusting age, pre-pregnancy BMI, and gestational age at delivery, it was found that VDD during pregnancy was not significantly associated with neonatal anthropometry (p>0.05). It was concluded that VDD was common in a tropical country. Large, well designed, multicentre observational studies are required to determine whether VDD enhances the risk of adverse pregnancy outcomes.
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Affiliation(s)
- Arif Sabta Aji
- Alma Ata Graduate School of Public Health, Alma Ata University.,Department of Nutrition, Faculty of Health Sciences, Alma Ata University
| | - Yusrawati Yusrawati
- Department of Obstetrics and Gynaecology, Faculty of Medicine, Andalas University
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Lin S, Jiang L, Zhang Y, Chai J, Li J, Song X, Pei L. Socioeconomic status and vitamin D deficiency among women of childbearing age: a population-based, case-control study in rural northern China. BMJ Open 2021; 11:e042227. [PMID: 33753436 PMCID: PMC7986774 DOI: 10.1136/bmjopen-2020-042227] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVE To explore the association between socioeconomic status (SES) and vitamin D deficiency/insufficiency of women of childbearing age in rural northern China. DESIGN A population-based, case-control study was conducted. SETTING Four counties of Henan Province, China from 2009 to 2010. PARTICIPANTS 1151 non-pregnant healthy women between 18 and 40 years old. PRIMARY AND SECONDARY OUTCOME MEASURES Serum 25-hydroxyvitamin D (25(OH)D) levels were measured using high-performance liquid chromatography-tandem mass spectrometry. Vitamin D insufficiency was defined as serum 25(OH)D ≥20 ng/mL and <30 ng/mL, deficiency as ≥10 ng/mL and <20 ng/mL, and severe deficiency as <10 ng/mL. SES was measured separately by women's and their husbands' education level and occupation, household income and expenditure, as well as aggregately by SES index constructed with principal component analysis. RESULTS The median serum 25(OH)D level was 20.90 (13.60-34.60) ng/mL, and the prevalence of vitamin D insufficiency, deficiency and severe deficiency was 20.16%, 31.80% and 15.99%, respectively. After adjustment, household annual income <¥10 000 was associated with increased risk of vitamin D insufficiency (adjusted OR (aOR): 2.10, 95% CI 1.41 to 3.14), deficiency (aOR: 1.58, 95% CI 1.09 to 2.29) and severe deficiency (aOR: 2.79, 95% CI 1.78 to 4.38); inadequate household income for expenditure was associated with elevated risk of vitamin D insufficiency (aOR: 1.66, 95% CI 1.08 to 2.54) and deficiency (aOR: 1.81, 95% CI 1.26 to 2.62); low SES index was associated with elevated risk of vitamin D insufficiency (aOR: 2.40, 95% CI 1.52 to 3.80) and deficiency (aOR: 1.64, 95% CI 1.08 to 2.50); and both middle and low SES index were associated with increased risk of vitamin D severe deficiency (aOR: 1.70, 95% CI 1.02 to 2.84; aOR: 2.45, 95% CI 1.45 to 4.14). CONCLUSIONS Lower SES was associated with higher risk of vitamin D deficiency/insufficiency in women of childbearing age in rural northern China. More should be done to explore potential mechanisms and to narrow down SES inequalities in vitamin D status.
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Affiliation(s)
- Shiqi Lin
- Institute of Population Research/China Center on Population Health and Development, Peking University, Beijing, China
| | - Lifang Jiang
- National Health Commission Key Laboratory of Birth Defects Prevention, Henan Key Laboratory of Population Defects Prevention, Zhengzhou, Henan, China
| | - Yuan Zhang
- Institute of Population Research/China Center on Population Health and Development, Peking University, Beijing, China
| | - Jian Chai
- National Health Commission Key Laboratory of Birth Defects Prevention, Henan Key Laboratory of Population Defects Prevention, Zhengzhou, Henan, China
| | - Jiajia Li
- Institute of Population Research/China Center on Population Health and Development, Peking University, Beijing, China
| | - Xinming Song
- Institute of Population Research/China Center on Population Health and Development, Peking University, Beijing, China
| | - Lijun Pei
- Institute of Population Research/China Center on Population Health and Development, Peking University, Beijing, China
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Abstract
Osteoporosis (OP) is a condition where there is low bone density and microarchitectural deterioration which can predispose to fragility fractures. There is a wealth of literature on OP from the developed countries, but less so from Asia. This review will explore the field of OP research in South-East Asia with regard to the epidemiology, the diagnosis of OP and the role of laboratory tests in the management of OP, with emphasis on 25-dihydroxyvitamin D and bone turnover markers.
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Affiliation(s)
- Subashini C Thambiah
- Department of Pathology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, 43400 UPM, Selangor, Malaysia
| | - Swan Sim Yeap
- Department of Medicine, Subang Jaya Medical Centre, 47500 Subang Jaya, Selangor, Malaysia
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Jeong JH, Korsiak J, Papp E, Shi J, Gernand AD, Al Mahmud A, Roth DE. Determinants of Vitamin D Status of Women of Reproductive Age in Dhaka, Bangladesh: Insights from Husband-Wife Comparisons. Curr Dev Nutr 2019; 3:nzz112. [PMID: 31723723 PMCID: PMC6834782 DOI: 10.1093/cdn/nzz112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 09/27/2019] [Accepted: 10/03/2019] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Vitamin D deficiency is common among women of reproductive age (WRA) in Bangladesh, but the causes remain unclear. OBJECTIVE To explain the high prevalence of vitamin D deficiency in WRA in Dhaka, Bangladesh, we compared the vitamin D status of pregnant women with that of their husbands and between pregnant and nonpregnant states. METHODS This study was an observational substudy of the Maternal Vitamin D for Infant Growth trial conducted in Dhaka, Bangladesh. Women (n = 1300) were enrolled in the second trimester of pregnancy and randomly assigned to 1 of 5 arms consisting of different doses of vitamin D supplements or placebo, with 1 arm continuing supplementation until 6 mo postpartum. A subgroup of trial participants and their husbands with plasma 25-hydroxyvitamin D [25(OH)D] concentration measurements (n = 84), and placebo-group trial participants with serum 25(OH)D measured in the second trimester of pregnancy and 6 mo postpartum (n = 89) were studied using linear mixed-effects regression models. RESULTS The mean ± SD plasma 25(OH)D in pregnant women in the second trimester was 23 ± 11 nmol/L. Adjusting for age and season, 25(OH)D of pregnant women was 30 nmol/L lower (95% CI: -36, -25 nmol/L) than that of men. Only 9% of total variance in 25(OH)D was explained by factors shared by spousal pairs. Selected nonshared factors (BMI, time spent outdoors, involvement in an outdoor job, sunscreen use) did not explain the association of sex with 25(OH)D. Adjusting for age, season, and BMI, 25(OH)D was similar during pregnancy and 6 mo postpartum (mean difference: -2.4 nmol/L; 95% CI: -5.3, 0.4 nmol/L). CONCLUSIONS In Dhaka, WRA have substantially poorer vitamin D status than men. Variation in 25(OH)D is not greatly influenced by determinants shared by spouses. Measured nonshared characteristics or pregnancy did not account for the gender differential in 25(OH)D. This trial was registered at clinicaltrials.gov as NCT01924013.
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Affiliation(s)
- Joo-Hyun Jeong
- Department of Nutritional Sciences, University of Toronto, Toronto, ON, Canada
- Centre for Global Child Health, Hospital for Sick Children, Toronto, ON, Canada
| | - Jill Korsiak
- Centre for Global Child Health, Hospital for Sick Children, Toronto, ON, Canada
| | - Eszter Papp
- Centre for Global Child Health, Hospital for Sick Children, Toronto, ON, Canada
| | - Joy Shi
- Centre for Global Child Health, Hospital for Sick Children, Toronto, ON, Canada
| | - Alison D Gernand
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Abdullah Al Mahmud
- Centre for Child and Adolescent Health, International Centre for Diarrhoeal Disease Research, Bangladesh, Dhaka, Bangladesh
| | - Daniel E Roth
- Department of Nutritional Sciences, University of Toronto, Toronto, ON, Canada
- Centre for Global Child Health, Hospital for Sick Children, Toronto, ON, Canada
- Department of Paediatrics, Hospital for Sick Children & University of Toronto, Toronto, ON, Canada
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Li X, Wang Y, Gao G, Guan X, Qin P, Liu C. High Prevalence of Vitamin D Deficiency in Pregnant Women in South China. INT J VITAM NUTR RES 2019; 90:273-278. [PMID: 31188079 DOI: 10.1024/0300-9831/a000592] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Objective: To investigate the vitamin D status of pregnant women in the Liuzhou area and assess the effects of maternal vitamin D status on the cord blood of their newborns. Subjects and methods: This study included 8852 pregnant women and 2000 newborns. The serum 25-hydroxyvitamin D [25(OH)D] levels of the 8852 pregnant women and the cord blood of 2000 newborns were measured. Results: The results showed that the average level of 25(OH)D in pregnant women in this area was 76.55 nmol/L, and women in different trimesters had different vitamin D levels (p < 0.001). The overall prevalence of vitamin D deficiency (<75 nmol/L) in pregnant women was 62.34%, and the proportion of severe deficiency (<25 nmol/L) was 0.25%. Vitamin D deficiency was more prevalent in the winter and spring than in the summer and autumn (p < 0.001). Pregnant women who had regular vitamin D supplementation had higher levels of 25(OH)D than the women with discontinuous supplementation or no supplementation (p < 0.001). Conclusions: Vitamin D deficiency was prevalent in pregnant women in the Liuzhou area. There were differences in vitamin D levels between the three trimesters and different seasons. For pregnant women with vitamin D deficiency, it is important to scientifically determine the appropriate level of vitamin D supplementation to ensure the health of mothers and babies.
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Affiliation(s)
- Xueli Li
- Department of Laboratory, Liuzhou Maternal and Child Health Hospital, LiuZhou, China
| | - Yuanliu Wang
- Department of Laboratory, Liuzhou Maternal and Child Health Hospital, LiuZhou, China
| | - Gan Gao
- Department of Laboratory, Liuzhou Maternal and Child Health Hospital, LiuZhou, China
| | - Xiaoyong Guan
- Department of Laboratory, The First Affiliated Hospital of Guangxi University of Science and Technology, LiuZhou, China
| | - Peixu Qin
- Department of Laboratory, Liuzhou Maternal and Child Health Hospital, LiuZhou, China
| | - Chunming Liu
- Department of Laboratory, Liuzhou Maternal and Child Health Hospital, LiuZhou, China
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Abstract
AbstractObjectiveTo study plasma 25-hydroxyvitamin D (25(OH)D) status of children in Kerala, southern India, and its relationship with sociodemographic variables.DesignCross-sectional observational study.SettingTertiary government hospital.ParticipantsChildren (n 296) with trivial acute illness were enrolled. Sun exposure and Ca and vitamin D intakes (7 d dietary recall) were documented. Serum Ca, P, alkaline phosphatase, plasma 25(OH)D and parathyroid hormone (PTH) were measured.ResultsPrevalence of vitamin D deficiency (plasma 25(OH)D <30 nmol/l) was 11·1% (median, interquartile range (IQR): 52·6, 38·4–65·6 nmol/l). Children who ate fish daily had significantly higher plasma 25(OH)D than those who did not (median, IQR: 52·5, 40·8–68·9 v. 49·1, 36·2–60·7 nmol/l; P = 0·02). Those investigated in the months of March–May showed highest 25(OH)D v. those enrolled during other times (median, IQR: 58·7, 45·6–81·4 v. 45·5, 35·6–57·4 nmol/l; P <0·001). Plasma 25(OH)D correlated positively with serum P (r = 0·24, P <0·001) and Ca intake (r = 0·16, P 0·03), negatively with age (r = −0·13, P 0·03) and PTH (r = −0·22, P <0·001.). On linear regression, summer season (March–May), lower age, daily fish intake and higher Ca intake were independently associated with plasma 25(OH)D.ConclusionsPrevalence of vitamin D deficiency is low in Kerala. The natural fish diet of coastal Kerala and the latitude may be protective. Public health policy in India should take account of this geographical diversity.
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Asghari G, Farhadnejad H, Hosseinpanah F, Moslehi N, Mirmiran P, Azizi F. Effect of vitamin D supplementation on serum 25-hydroxyvitamin D concentration in children and adolescents: a systematic review and meta-analysis protocol. BMJ Open 2018; 8:e021636. [PMID: 30232105 PMCID: PMC6150138 DOI: 10.1136/bmjopen-2018-021636] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
INTRODUCTION The importance of vitamin D for bone health as well as its role in non-skeletal functions has long been documented. However, review investigations on the effect of vitamin D supplementation on serum 25-hydroxyvitamin D (25(OH)D) levels in children and adolescents are scarce. The aims of the current study were to assess the impact of various doses of vitamin D supplementation on serum 25(OH)D concentrations in children and adolescents, and to identify relevant determinants of variations in the effect of vitamin D supplementation. METHODS PubMed, Scopus, ISI Web of Science and Cochrane Central Register of Controlled Trials databases up to 27 September 2017 will systematically be searched for randomised controlled trials of vitamin D supplementation. We considered articles with the following control groups as eligible: placebo control, control group without any supplementation or a comparative arm investigation. Two reviewers will assess articles for eligibility according to prespecified selection criteria, after which data extraction and quality appraisal will be conducted by two independent reviewers. The quality assessment will be assessed using the Jadad scale. Meta-analyses will be conducted where appropriate. We will express continuous measures (ie, serum 25(OH)D concentration) as mean differences with 95% CIs. Heterogeneity of the data will be investigated via visual inspection of the forest plots and using χ2 test on N-1 df, with a significance level of α=0.1. We will also assess individual study and subgroup characteristics and perform a sensitivity analysis. Publication bias will be assessed using funnel plot and statistical analysis of Egger's test. ETHICS AND DISSEMINATION Ethics approval is not required because the work will be carried out on published documents. The authors will publish findings from this review through peer-reviewed publication or conference presentations. PROSPERO REGISTRATION NUMBER CRD42017067179.
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Affiliation(s)
- Golaleh Asghari
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hossein Farhadnejad
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farhad Hosseinpanah
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nazanin Moslehi
- Nutrition and Endocrine Research Center Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Parvin Mirmiran
- Nutrition and Endocrine Research Center Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fereidoun Azizi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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12
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Associations of underweight and stunting with impaired vitamin D status in Ecuadorian children provides insights into the vitamin's biology. Public Health Nutr 2018; 21:1971-1973. [PMID: 29692280 DOI: 10.1017/s1368980018000927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Is vitamin D deficiency a public health concern for low middle income countries? A systematic literature review. Eur J Nutr 2018; 58:433-453. [PMID: 29344677 DOI: 10.1007/s00394-018-1607-3] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 01/03/2018] [Indexed: 12/18/2022]
Abstract
PURPOSE Vitamin D deficiency has been receiving increasing attention as a potential public health concern in low and lower-middle income countries (LMICs), of which there are currently 83. We aimed to conduct a comprehensive systematic literature review (SLR) of available data on vitamin D status and prevalence of vitamin D deficiency in all 83 LMICs. METHODS We followed the general methodology for SLRs in the area of serum 25-hydroxyvitamin D. Highest priority was placed on identifying relevant population-based studies, followed by cross-sectional studies, and to a lesser extent case-control studies. We adopted the public health convention that a prevalence of vitamin D deficiency (serum 25-hydroxyvitamin D < 25/30 nmol/L) at > 20% in the entire population and/or at-risk population subgroups (infants, children, women of child-bearing age, pregnancy) constitutes a public health issue that may warrant intervention. RESULTS Our SLR revealed that of the 83 LMICs, 65% (n = 54 countries) had no published studies with vitamin D data suitable for inclusion. Using data from the remaining third, a number of LMICs had evidence of excess burden of vitamin D deficiency in one or more population subgroup(s) using the above convention (Afghanistan, Pakistan, India, Tunisia and Mongolia) as well as possibly other LMICs, albeit with much more limited data. Several LMICs had no evidence of excess burden. CONCLUSION Vitamin D deficiency is a public health issue in some, but certainly not all, LMICs. There is a clear need for targeting public health strategies for prevention of vitamin D deficiency in those LMICs with excess burden.
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Oussedik-Lehtihet S, Haouichat C, Hammoumraoui N, Ducros E, Gouhier-Kodas C, Lancrenon S, Djoudi H. Hypovitaminosis D and Its Associated Factors in North Algerian Postmenopausal Women: Results of a Cross-Sectional Study. J Nutr Metab 2017; 2017:9032141. [PMID: 29391950 PMCID: PMC5748113 DOI: 10.1155/2017/9032141] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 10/06/2017] [Accepted: 10/29/2017] [Indexed: 01/21/2023] Open
Abstract
PURPOSE As the vitamin D status of Algerian postmenopausal women was poorly described, this cross-sectional study investigated the prevalence of low vitamin D status in a sample population. Secondarily, predictive factors of this hypovitaminosis D were explored. METHODS All the 336 selected women ≥ 45 years from Douera were interviewed to get anthropometric and lifestyle data, reproductive and medical history, medications, and calcium/vitamin D intakes. A blood sample was collected to measure 25-hydroxyvitamin D (25(OH)D) concentrations. RESULTS Approximately 86% of subjects had low vitamin D status (<20 ng/mL). Mean 25(OH)D level was 14.4 ± 5.3 ng/mL with a clear seasonal dynamic and a significant negative correlation with PTH levels (r = -0.15, p=0.006). A multiple regression analysis using the 25(OH)D cutoff value of 17 ng/mL instead of the generally admitted level of 20 ng/mL was performed to increase statistical power. Other seasons than summer (OR 4.159 and 95% CI 2.456-7.043), obesity (≥30 kg/m2, OR 1.826, 95% CI 1.081-3.083), and veiling (OR 3.526, 95% CI 1.090-11.400) were significantly associated with 25(OH)D concentrations <17 ng/mL. CONCLUSIONS In North Algeria, the abundant sunlight appears insufficient to fully offset hypovitaminosis D risk factors in postmenopausal women, especially obesity and veiling. It suggests the major need to increase vitamin D supplementation in this subpopulation.
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Affiliation(s)
- S. Oussedik-Lehtihet
- Centre Hospitalier Universitaire de Douera, Rue des Frères Halim, Douera 16000, Alger, Algeria
| | - C. Haouichat
- Centre Hospitalier Universitaire de Douera, Rue des Frères Halim, Douera 16000, Alger, Algeria
| | - N. Hammoumraoui
- Centre Hospitalier Universitaire de Douera, Rue des Frères Halim, Douera 16000, Alger, Algeria
| | - E. Ducros
- Laboratoire Innotech International, 22 Avenue Aristide Briand, 94110 Arcueil, France
| | - C. Gouhier-Kodas
- Laboratoire Innotech International, 22 Avenue Aristide Briand, 94110 Arcueil, France
| | - S. Lancrenon
- Sylia-Stat, 10 Boulevard du Maréchal Joffre, 92340 Bourg-la-Reine, France
| | - H. Djoudi
- Centre Hospitalier Universitaire de Douera, Rue des Frères Halim, Douera 16000, Alger, Algeria
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15
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Abstract
Vitamin D deficiency occurs all over the world, mainly in the Middle East, China, Mongolia, and India. This article focuses on the vitamin D status in adults. Risk groups include older persons, pregnant women, and non-Western immigrants. Adequate vitamin D status, defined as serum 25-hydroxyvitamin D greater than 50 nmol/L, is present in less than 50% of the world population, at least in winter. Preventative strategies, such as increasing fish consumption, fortification of foods, use of vitamin D supplements, and advice for moderate sunlight exposure, are warranted.
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Affiliation(s)
- Natasja van Schoor
- Department of Epidemiology and Biostatistics, Amsterdam Public Health Research Institute, VU University Medical Center, Van der Boechorststraat 7, Amsterdam 1081 BT, The Netherlands.
| | - Paul Lips
- Department of Internal Medicine, Endocrine Section, VU University Medical Center, PO Box 7057, Amsterdam 1007 MB, The Netherlands
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16
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Wu H, Pang Q. The effect of vitamin D and calcium supplementation on falls in older adults. DER ORTHOPADE 2017; 46:729-736. [DOI: 10.1007/s00132-017-3446-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Chen J, Yun C, He Y, Piao J, Yang L, Yang X. Vitamin D status among the elderly Chinese population: a cross-sectional analysis of the 2010-2013 China national nutrition and health survey (CNNHS). Nutr J 2017; 16:3. [PMID: 28088200 PMCID: PMC5237548 DOI: 10.1186/s12937-016-0224-3] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 12/21/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Vitamin D inadequacy is common among the elderly, especially within the Asian population. The vitamin D status among healthy adults in the elderly Chinese population was evaluated. METHODS A total of 6014 healthy adults aged 60 years or older (2948 men, 3066 women) participated in this descriptive cross-sectional analysis. Possible predictors of vitamin D inadequacy were evaluated via multiple logistic regression analyses. RESULTS The median serum 25-hydroxyvitamin D (25(OH)D) levels were 61.0 nmol/l (interquartile range (IQR) 44.3-80.6, range 5.1-154.5) for men and 53.7 nmol/l (IQR 38.8-71.0, range 6.0-190.0) for women, with 34.1% (95% confidence interval (CI) 32.4-35.8) of men and 44.0% (95% CI 42.2-45.8) of women presenting vitamin D inadequacy (25(OH)D <50 nmol/l). According to the multivariate logistic regression analyses, vitamin D inadequacy was positively correlated with female gender (P <0.0001), underweight (P = 0.0259), the spring season (P <0.0001), low ambient UVB levels (P <0.0001) and living in large cities (P = 0.0026). For men, vitamin D inadequacy was positively correlated with the spring season (P = 0.0015), low ambient UVB levels (P <0.0001) and living in large cities (P = 0.0022); for women, vitamin D inadequacy was positively correlated with the spring season (P = 0.0005) and low ambient UVB levels (P <.0001). CONCLUSIONS Vitamin D inadequacy is prevalent among the elderly population in China. Because residing in regions with low ambient UVB levels increases the risk of vitamin D inadequacy both for men and women, vitamin D supplementation and sensible sun exposure should be encouraged, especially during the cooler seasons. Further studies are required to determine the optimal vitamin D intake and sun exposure levels to maintain sufficient vitamin D levels in the elderly Chinese population.
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Affiliation(s)
- Jing Chen
- Department of Trace Element Nutrition, National Institute of Nutrition and Health, Chinese Center for Disease Control and Prevention, Room 103, Nanwei Road No. 29, Xicheng District, Beijing, 100050, People's Republic of China
| | - Chunfeng Yun
- Institute of Population Research, Peking University, Beijing, 100871, People's Republic of China
| | - Yuna He
- Department of Nutrition Surveillance, National Institute of Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, 100050, People's Republic of China
| | - Jianhua Piao
- Department of Trace Element Nutrition, National Institute of Nutrition and Health, Chinese Center for Disease Control and Prevention, Room 103, Nanwei Road No. 29, Xicheng District, Beijing, 100050, People's Republic of China
| | - Lichen Yang
- Department of Trace Element Nutrition, National Institute of Nutrition and Health, Chinese Center for Disease Control and Prevention, Room 103, Nanwei Road No. 29, Xicheng District, Beijing, 100050, People's Republic of China
| | - Xiaoguang Yang
- Department of Trace Element Nutrition, National Institute of Nutrition and Health, Chinese Center for Disease Control and Prevention, Room 103, Nanwei Road No. 29, Xicheng District, Beijing, 100050, People's Republic of China.
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