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Berry SPDG, Honkpèhedji YJ, Ludwig E, Mahmoudou S, Prodjinotho UF, Adamou R, Nouatin OP, Adégbitè BR, Dejon-Agobe JC, Mba RB, Maloum M, Nkoma AMM, Zinsou JF, Luty AJF, Esen M, Adégnika AA, Prazeres da Costa C. Impact of helminth infections during pregnancy on maternal and newborn Vitamin D and on birth outcomes. Sci Rep 2024; 14:14845. [PMID: 38937587 PMCID: PMC11211496 DOI: 10.1038/s41598-024-65232-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 06/18/2024] [Indexed: 06/29/2024] Open
Abstract
Poor birth outcomes in low- and middle income countries are associated with maternal vitamin D deficiency and chronic helminth infections. Here, we investigated whether maternal Schistosoma haematobium affects maternal or cord vitamin D status as well as birth outcomes. In a prospective cross-sectional study of pregnant women conducted in Lambaréné, Gabon, we diagnosed maternal parasitic infections in blood, urine and stool. At delivery we measured vitamin D in maternal and cord blood. S. haematobium, soil-transmitted helminths, and microfilariae were found at prevalences of 30.2%, 13.0%, and 8.8%, respectively. Insufficient vitamin D and calcium levels were found in 28% and 15% of mothers, and in 11.5% and 1.5% of newborns. Mothers with adequate vitamin D had lower risk of low birthweight babies (aOR = 0.11, 95% CI 0.02-0.52, p = 0.01), whilst offspring of primipars had low cord vitamin D levels, and low vitamin D levels increased the risk of maternal inflammation. Maternal filariasis was associated with low calcium levels, but other helminth infections affected neither vitamin D nor calcium levels in either mothers or newborns. Healthy birth outcomes require maintenance of adequate vitamin D and calcium levels. Chronic maternal helminth infections do not disrupt those levels in a semi-rural setting in sub-Saharan Africa.
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Affiliation(s)
- Sèyigbéna P Déo-Gracias Berry
- Institute for Medical Microbiology, Immunology and Hygiene, TUM School of Medicine and Health, Technical University of Munich (TUM), Trogerstrasse 30, 81675, Munich, Germany
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Center for Global Health, TUM School of Medicine and Health, Technical University of Munich (TUM), Munich, Germany
| | - Yabo Josiane Honkpèhedji
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Department of Parasitology, Leiden University Medical Centre, Leiden, The Netherlands
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
- Fondation Pour La Recherche Scientifique (FORS), Cotonou, Benin
| | - Esther Ludwig
- Institute for Medical Microbiology, Immunology and Hygiene, TUM School of Medicine and Health, Technical University of Munich (TUM), Trogerstrasse 30, 81675, Munich, Germany
- Center for Global Health, TUM School of Medicine and Health, Technical University of Munich (TUM), Munich, Germany
| | | | - Ulrich Fabien Prodjinotho
- Institute for Medical Microbiology, Immunology and Hygiene, TUM School of Medicine and Health, Technical University of Munich (TUM), Trogerstrasse 30, 81675, Munich, Germany
- Center for Global Health, TUM School of Medicine and Health, Technical University of Munich (TUM), Munich, Germany
| | - Rafiou Adamou
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
| | - Odilon P Nouatin
- Institut de Recherche Clinique du Bénin (IRCB), Abomey-Calavi, Benin
| | - Bayode R Adégbitè
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
| | - Jean Claude Dejon-Agobe
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
| | - Romuald Beh Mba
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
| | | | | | - Jeannot Fréjus Zinsou
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
- Fondation Pour La Recherche Scientifique (FORS), Cotonou, Benin
| | | | - Meral Esen
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
- German Center for Infection Research (DZIF), Partner site Tübingen, Tübingen, Germany
| | - Ayôla Akim Adégnika
- Centre de Recherches Médicales de Lambaréné, Lambaréné, Gabon
- Institut Für Tropenmedizin, Universität Tübingen, Tübingen, Germany
- Fondation Pour La Recherche Scientifique (FORS), Cotonou, Benin
- German Center for Infection Research (DZIF), Partner site Tübingen, Tübingen, Germany
| | - Clarissa Prazeres da Costa
- Institute for Medical Microbiology, Immunology and Hygiene, TUM School of Medicine and Health, Technical University of Munich (TUM), Trogerstrasse 30, 81675, Munich, Germany.
- Center for Global Health, TUM School of Medicine and Health, Technical University of Munich (TUM), Munich, Germany.
- German Center for Infection Research (DZIF), Partner site Munich, Munich, Germany.
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Chen K, Cheng L, Yu H, Zhou Y, Zhu L, Li Z, Li T, Martinez L, Liu Q, Wang B. Spatial-temporal distribution characteristics of pulmonary tuberculosis in eastern China from 2011 to 2021. Epidemiol Infect 2024; 152:e84. [PMID: 38745412 PMCID: PMC11149027 DOI: 10.1017/s0950268824000785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 04/23/2024] [Accepted: 05/02/2024] [Indexed: 05/16/2024] Open
Abstract
China is still among the 30 high-burden tuberculosis (TB) countries in the world. Few studies have described the spatial epidemiological characteristics of pulmonary TB (PTB) in Jiangsu Province. The registered incidence data of PTB patients in 95 counties of Jiangsu Province from 2011 to 2021 were collected from the Tuberculosis Management Information System. Three-dimensional spatial trends, spatial autocorrelation, and spatial-temporal scan analysis were conducted to explore the spatial clustering pattern of PTB. From 2011 to 2021, a total of 347,495 newly diagnosed PTB cases were registered. The registered incidence rate of PTB decreased from 49.78/100,000 in 2011 to 26.49/100,000 in 2021, exhibiting a steady downward trend (χ2 = 414.22, P < 0.001). The average annual registered incidence rate of PTB was higher in the central and northern regions. Moran's I indices of the registered incidence of PTB were all >0 (P< 0.05) except in 2016, indicating a positive spatial correlation overall. Local autocorrelation analysis showed that 'high-high' clusters were mainly distributed in northern Jiangsu, and 'low-low' clusters were mainly concentrated in southern Jiangsu. The results of this study assist in identifying settings and locations of high TB risk and inform policy-making for PTB control and prevention.
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Affiliation(s)
- Ke Chen
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, China
| | - Liang Cheng
- Department of Tuberculosis, Affiliated Wuxi Fifth Hospital of Jiangnan University, Wuxi, China
| | - Hao Yu
- Department of Chronic Communicable Disease, Center for Disease Control and Prevention of Jiangsu Province, Nanjing, China
| | - Yong Zhou
- Department of Chronic Disease, Center for Disease Control and Prevention of Heilongjiang Province, Harbin, China
| | - Limei Zhu
- Department of Chronic Communicable Disease, Center for Disease Control and Prevention of Jiangsu Province, Nanjing, China
| | - Zhongqi Li
- Department of Chronic Communicable Disease, Center for Disease Control and Prevention of Jiangsu Province, Nanjing, China
| | - Tenglong Li
- Academy of Pharmacy, Xi’an Jiaotong-Liverpool University, Suzhou, China
| | - Leonardo Martinez
- Department of Epidemiology, School of Public Health, Boston University, Boston, MA, USA
| | - Qiao Liu
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, China
- Department of Chronic Communicable Disease, Center for Disease Control and Prevention of Jiangsu Province, Nanjing, China
| | - Bei Wang
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, China
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Tod B, Whitaker D, Visser W, Isaacs T, Jacobs T, Wiid K, Dlova NC, Wright CY. Integrated sun protection advice for the South African population. Int J Dermatol 2024; 63:277-287. [PMID: 38124402 DOI: 10.1111/ijd.16980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/30/2023] [Accepted: 12/02/2023] [Indexed: 12/23/2023]
Abstract
Exposure to solar ultraviolet radiation (UVR) is associated with several cutaneous adverse effects. However, to the best of our knowledge, in South Africa there are no formal guidelines on sun protection. A group of South African dermatologists and researchers convened over the course of 1 year to deliberate on integrated advice for sun protection among the multi-ethnic South African population. For people with light skin and those with genetic skin disorders (e.g., oculocutaneous albinism), sun protection was identified as critical to prevent sunburn, skin cancer, and photoaging. The evidence is less clear for people with medium and darker skin types, especially the latter, in whom melanin may confer a degree of protection against some parts of the solar spectrum. Recent studies have demonstrated that visible light can cause pigmentary changes in individuals with darker skin types in particular. Sun protection for people of all skin colors is beneficial to protect against photoaging and ocular damage. Herein sun protection advice is suggested for South Africans of all skin colors to reduce morbidity and mortality from sun exposure, particularly relating to skin cancer. Several knowledge gaps are identified as future research priorities.
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Affiliation(s)
- Bianca Tod
- Division of Dermatology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | | | - Willie Visser
- Division of Dermatology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Thuraya Isaacs
- Division of Dermatology, Department of Medicine, University of Cape Town, Cape Town, South Africa
| | | | - Kim Wiid
- L'Oréal Dermatological Beauty, Johannesburg, South Africa
| | - Ncoza C Dlova
- Dermatology Department, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa
| | - Caradee Y Wright
- Climate Change and Health Research Programme, Environment and Health Research Unit, South African Medical Research Council, Pretoria, South Africa
- Department of Geography, Geoinformatics and Meteorology, University of Pretoria, Pretoria, South Africa
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Li R, Han A, Hu Q, Liang W. Relationship between vitamin D deficiency and neonatal hypocalcemia: a meta-analysis. J Pediatr Endocrinol Metab 2023; 36:909-916. [PMID: 37632349 DOI: 10.1515/jpem-2023-0183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 08/15/2023] [Indexed: 08/28/2023]
Abstract
We aimed to explore the associations of neonatal hypocalcemia with neonatal vitamin D deficiency and maternal vitamin D deficiency. A comprehensive systematic literature search using PubMed and web of science was performed for relevant articles from inception to February 17th, 2023. We used odds ratio (OR) and 95 % confidence interval (CI) as effect sizes for our meta-analysis. Publication bias was evaluated using funnel plot, Begg's test, and Egger regression test. All the statistical analyses were performed using Stata 14.0. A total of 11 studies were included and analyzed, including 452 newborns with hypocalcemia and 2,599 newborns with normal serum calcium level. Our research results revealed that vitamin D deficiency in newborns may be related to the higher prevalence of hypocalcemia (OR: 2.87, 95 % CI: 1.17-7.04). In addition, maternal vitamin D deficiency might also be a risk factor for neonatal hypocalcemia (OR: 7.83, 95 % CI: 3.62-16.92). There was a significant correlation between vitamin D deficiency and neonatal hypocalcemia.This meta-analysis indicates that newborns with vitamin D deficiency have a higher risk of hypocalcemia, and maternal vitamin D level play a crucial role in this association. Vitamin D supplementation may have a positive effect in reducing the prevalence of neonatal hypocalcemia.
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Affiliation(s)
- Ruihan Li
- School of Public Health, Wuhan University, Wuhan, P.R. China
| | - Aojing Han
- School of Public Health, Wuhan University, Wuhan, P.R. China
| | - Qilin Hu
- School of Public Health, Wuhan University, Wuhan, P.R. China
| | - Wei Liang
- School of Public Health, Wuhan University, Wuhan, P.R. China
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Bopape PG, Wagenaar C, Poka M, Bronkhorst E. Vitamin D supplementation in a post-pandemic era: A narrative review. S Afr Fam Pract (2004) 2023; 65:e1-e6. [PMID: 37916701 PMCID: PMC10623655 DOI: 10.4102/safp.v65i1.5752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 11/03/2023] Open
Abstract
Vitamin D is a fat-soluble molecule referring to the different isoforms, ergocalciferol (D2) and cholecalciferol (D3). Its physiological functions include increasing calcium serum concentrations. 25-hydroxyvitamin D3 (25(OH)D) (Calcifediol), a non-active, circulating instant precursor is seen as a pre-hormone. Studies have shown that a deficiency in calcifediol is related to chronic conditions such as cardiovascular, musculoskeletal, immune system, neurological, and anti-neoplastic functions. Vitamin D supplementation has shown its benefit as prophylaxis and treatment during the coronavirus disease 2019 (COVID-19) pandemic and an increase in the prescribing of vitamin D supplementation has been observed. The intention of this review article is to provide guidance on the recommended dosage regimen as a prophylactic measure during COVID-19 and its use as a supplement in general. From this review article, it is clear that vitamin D has an important role to play not only in COVID-19 but also in various other health aspects of the human body.Contribution: This review article highlighted the role of vitamin D in managing vitamin D deficiency and its role as a supplement in the management of respiratory tract infections, especially COVID-19. This overview can assist physicians in optimising healthcare by optimised dosing recommendations and indications.
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Affiliation(s)
- Pheagane G Bopape
- Department of Clinical Pharmacy, Faculty of Health Sciences, School of Pharmacy, Sefako Makgatho Health Sciences University, Pretoria.
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Floridia M, Galluzzo CM, Orlando S, Luhanga R, Mphwere R, Kavalo T, Andreotti M, Amici R, Ciccacci F, Marazzi MC, Giuliano M. Micronutrient and Nutritional Status of HIV-Exposed and HIV-Unexposed Malawian Infants in the First Year of Life: Assessment of Ferritin, Vitamin A, and D Status and Its Association with Growth. Nutrients 2023; 15:3282. [PMID: 37513701 PMCID: PMC10386663 DOI: 10.3390/nu15143282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Breastfed Malawian infants from Human Immunodeficiency Virus (HIV)-uninfected and HIV-infected women who received antiretroviral therapy were followed until 12 months of age, allowing us to evaluate plasma levels of ferritin, vitamin A (as retinol-binding protein, RBP), and vitamin D (25(OH)D) at six months, as well as nutritional status and growth between six and 12 months. Ferritin and RBP levels were adjusted for inflammation. The study included 88 infants, 63 of whom were part of a recent cohort (2019-2021) that included 49 HIV-exposed but uninfected (HEU) and 14 HIV-unexposed and uninfected (HUU) infants, as well as 25 infants (all HEU) from an earlier cohort (2008-2011). No differences were observed between HEU and HUU infants regarding micronutrient levels, anthropometric indexes, growth, and rates of stunting, being underweight, or wasting. HEU infants from the earlier cohort, when compared to more recent HEU infants, had significantly worse anthropometric measures at six months and inferior growth between six and twelve months. Overall, ferritin deficiency involved 68.6% of infants, while vitamin A and vitamin D deficiency involved 8% and 1.2% of infants, respectively. Micronutrient deficiencies were not associated with HIV exposure, cohort, stunting, being underweight, or wasting. At six months, stunting, being underweight, and wasting involved 25.0%, 2.7% and 2.8% of infants, respectively, with no differences related to HIV exposure. Ferritin deficiency at six months was associated with inferior subsequent growth. In this small observational study conducted in Malawian infants, no major nutritional gap was observed between HIV-exposed and HIV-unexposed infants, though the study highlighted specific nutritional deficiencies that deserve attention. High rates of stunting and ferritin deficiency were observed in the first year of life in Malawian infants, irrespective of maternal HIV status; a significant association between ferritin deficiency and worse subsequent growth was found. Vitamin A and vitamin D deficiencies were much less frequent. Based on the data observed, nutritional interventions should give priority to the correction of ferritin deficiency and chronic undernutrition.
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Affiliation(s)
- Marco Floridia
- National Center for Global Health, Istituto Superiore di Sanità, 00161 Rome, Italy
| | | | - Stefano Orlando
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Richard Luhanga
- DREAM Program, Community of S. Egidio, Blantyre P.O. Box 30355, Malawi
| | - Robert Mphwere
- DREAM Program, Community of S. Egidio, Blantyre P.O. Box 30355, Malawi
| | - Thom Kavalo
- DREAM Program, Community of S. Egidio, Blantyre P.O. Box 30355, Malawi
| | - Mauro Andreotti
- National Center for Global Health, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Roberta Amici
- National Center for Global Health, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Fausto Ciccacci
- UniCamillus, Department of Medicine, Saint Camillus International University of Health Sciences, 00131 Rome, Italy
| | | | - Marina Giuliano
- National Center for Global Health, Istituto Superiore di Sanità, 00161 Rome, Italy
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Al-Qahtani SM, Shati AA, Alqahtani YA, Dawood SA, Siddiqui AF, Zaki MSA, Khalil SN. Prevalence and Correlates of Vitamin D Deficiency in Children Aged Less than Two Years: A Cross-Sectional Study from Aseer Region, Southwestern Saudi Arabia. Healthcare (Basel) 2022; 10:healthcare10061064. [PMID: 35742114 PMCID: PMC9222582 DOI: 10.3390/healthcare10061064] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 05/31/2022] [Accepted: 06/06/2022] [Indexed: 12/13/2022] Open
Abstract
Background: Vitamin D is an essential nutrient for bone growth, mineralization, and other metabolic processes in the human body. Hence, insufficiency or deficiency of this vitamin can have long-term effects, particularly for children. Objectives: The aims of this study were to determine the prevalence of vitamin D deficiency in children up to 2 years of age and investigate the independent predictors of vitamin D deficiency. Methodology: This cross-sectional study was conducted among 484 children aged up to two years who were admitted to the hospital for the treatment of any acute condition from January to November 2021. Serum 25(OH)D was used to determine the level of vitamin D. The serum 25(OH)D was categorized into 3 groups: Sufficiency (>30 ng/mL), insufficiency (20−30 ng/mL), and the deficiency (<20 ng/mL). Results: Overall, vitamin D deficiency was observed in 70.5% of the children, of whom 45.9% had insufficient levels, and one-fourth (24.6%) showed deficiency. The children aged 2−12 months (infants) were more likely to be vitamin deficient compared to children aged 12 months and above. The children who lived in urban areas had a threefold increased risk of vitamin D deficiency (aOR = 3.0, 95% CI 1.78−5.08). The children who were exposed to sunlight for less than 3 days per week experienced a higher risk of developing vitamin D deficiency (aOR = 4.17, 95% CI 2.04−10.88). Children who had received only breast milk were more than two times more likely to experience vitamin D deficiency (aOR = 2.42, 95% CI 1.12−5.23) compared to their counterparts. Conclusion: Our study reveals a high prevalence of vitamin D deficiency among children aged up to two years. Infants, urban dwellers, only breastfed, and exposure to sunlight for less than three days per week were identified to be the independent risk factors for vitamin D deficiency. The results of this work call for enhancing awareness to ensure adequate levels of vitamin D for better health of the children in this region of Saudi Arabia.
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Affiliation(s)
- Saleh M. Al-Qahtani
- Department of Child Health, College of Medicine, King Khalid University, Abha P.O. Box 62529, Saudi Arabia; (S.M.A.-Q.); (Y.A.A.); (S.A.D.)
| | - Ayed A. Shati
- Department of Child Health, College of Medicine, King Khalid University, Abha P.O. Box 62529, Saudi Arabia; (S.M.A.-Q.); (Y.A.A.); (S.A.D.)
- Correspondence:
| | - Youssef A. Alqahtani
- Department of Child Health, College of Medicine, King Khalid University, Abha P.O. Box 62529, Saudi Arabia; (S.M.A.-Q.); (Y.A.A.); (S.A.D.)
| | - Samy A. Dawood
- Department of Child Health, College of Medicine, King Khalid University, Abha P.O. Box 62529, Saudi Arabia; (S.M.A.-Q.); (Y.A.A.); (S.A.D.)
| | - Aesha F. Siddiqui
- Department of Family and Community Medicine, College of Medicine, King Khalid University, Abha P.O. Box 62529, Saudi Arabia; (A.F.S.); (S.N.K.)
| | - Mohamed Samir A. Zaki
- Department of Anatomy, College of Medicine, King Khalid University, Abha P.O. Box 62529, Saudi Arabia;
- Department of Histology and Cell Biology, College of Medicine, Zagazig University, Zagazig P.O. Box 31527, Egypt
| | - Shamsun N. Khalil
- Department of Family and Community Medicine, College of Medicine, King Khalid University, Abha P.O. Box 62529, Saudi Arabia; (A.F.S.); (S.N.K.)
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Högler W, Tischlinger K, Fraser WD, Tang JCY, Uday S. Influence of maternal socioeconomic deprivation and living environment on newborn bloodspot 25-hydroxyvitamin D levels. Front Endocrinol (Lausanne) 2022; 13:978580. [PMID: 37091212 PMCID: PMC10116494 DOI: 10.3389/fendo.2022.978580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 10/24/2022] [Indexed: 04/25/2023] Open
Abstract
Objectives Vitamin D deficiency in neonates can have life-threatening consequences, hence the knowledge of risk factors is essential. This study aimed to explore the effect of maternal socioeconomic status (SES) on newborn 25-hydroxyvitamin D (25OHD) concentrations. Design Over two 1-week periods (winter and summer of 2019), 3000 newborn heel prick dried blood spots (DBS) and additional data of newborns, from a regional newborn screening laboratory (52° N) in the West Midlands, UK, were gathered. Post code was replaced with lower layer super output area (LSOA). Index of Multiple Deprivation (IMD) quintiles for the corresponding LSOA was used to assess SES [quintile one (Q1): most deprived 20%, quintile five (Q5): least deprived 20%]. Each of the seven domains of deprivation were examined (income, employment, education, health, barriers to housing and services, crime and living environment). 25OHD was measured on 6mm sub-punch from DBS using quantitative liquid chromatography tandem mass spectrometry and equivalent plasma values were derived. Results In total 2999 (1500 summer-born, 1499 winter-born) newborn DBS (1580 males) were analysed. Summer-born newborns had significantly higher 25OHD (IQR) concentrations [49.2 (34.3; 64.8) nmol/l] than winter-born newborns [29.1 (19.8; 40.6) nmol/l, p<0.001].25OHD levels varied significantly between the different IMD quintiles in the whole (p<0.001) and summer-born cohort (p<0.001), but not in the winter-born cohort (p=0.26), whereby Q1 had the lowest 25OHD concentrations. Among the domains of deprivation, living environment had a significant influence on 25OHD levels (β=0.07, p=0.002). In this subdomain, 25OHD levels varied significantly between quintiles in the whole (p<0.001) and summer-born cohort (mean 25OHD Q1 46.45 nmol/l, Q5 54.54 nmol/l; p<0.001) but not in the winter-born cohort (mean 25OHD Q1 31.57 nmol/l, Q5 31.72 nmol/l; p=0.16). In a regression model, living environment was still significant (p=0.018), albeit less than season of birth and ethnicity. Conclusion Among the seven domains of deprivation, maternal living environment had the greatest effect on newborn 25OHD levels. Whilst improved living environment positively influenced vitamin D status in the summer-born babies, winter-born had low 25OHD levels irrespective of the environment. Strategies such as enhanced supplementation and food fortification with vitamin D should be considered to overcome the non-modifiable main risk factors for vitamin D deficiency.
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Affiliation(s)
- Wolfgang Högler
- Department of Paediatrics and Adolescent Medicine, Johannes Kepler University Linz, Linz, Austria
- Institute of Metabolism and Systems Research, University of Birmingham, Edgbaston, Birmingham, United Kingdom
- *Correspondence: Wolfgang Högler,
| | - Katharina Tischlinger
- Department of Paediatrics and Adolescent Medicine, Johannes Kepler University Linz, Linz, Austria
| | - William D. Fraser
- Department of Medicine, Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
- Departments of Diabetes and Endocrinology and Clinical Biochemistry, Norfolk and Norwich University Hospital, Norwich, United Kingdom
| | - Jonathan C. Y. Tang
- Department of Medicine, Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, United Kingdom
- Clinical Biochemistry, Departments of Laboratory Medicine, Norfolk and Norwich University Hospital NHS Foundation Trust, Norwich, United Kingdom
| | - Suma Uday
- Institute of Metabolism and Systems Research, University of Birmingham, Edgbaston, Birmingham, United Kingdom
- Department of Endocrinology and Diabetes, Birmingham Women’s and Children’s Hospital, Birmingham, United Kingdom
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Martinez L, Ncayiyana JR, Goddard L, Botha M, Workman L, Burd T, Myer L, Nicol M, Zar HJ. Vitamin D concentrations in infancy and the risk of tuberculosis in childhood: A prospective birth cohort in Cape Town, South Africa. Clin Infect Dis 2021; 74:2036-2043. [PMID: 34436538 PMCID: PMC9187320 DOI: 10.1093/cid/ciab735] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Indexed: 01/15/2023] Open
Abstract
INTRODUCTION Low vitamin D may increase the risk of tuberculosis; however, previous observational cohort studies have had variable results. We investigated the relationship between vitamin D levels in infancy and subsequent development of tuberculosis throughout childhood. METHODS We enrolled pregnant women between 20-28 weeks' gestation attending antenatal care in a peri-urban South African setting in the Drakenstein Child Health Study. Serum 25(OH)D concentrations were measured in newborn infants between 6-10 weeks of age. Children were followed prospectively for tuberculosis infection and disease using annual tuberculin skin testing, radiographic examinations, and microbiological diagnosis with GeneXpert, culture, and smear testing. Univariable and multivariable Cox regression was performed and hazard ratios (HRs) with 95% confidence intervals (CIs) were calculated. RESULTS Children were followed for tuberculosis for a median of 7.2 years (IQR, 6.2-7.9). Among 744 children (< 1% living with HIV, 21% HIV-exposed living without HIV), those who were vitamin D deficient in early infancy were not at increased risk of developing tuberculosis (AHR, 0.8; 95% CI, 0.4-1.6). Infants in the lowest vitamin D concentration tertile were at similar risk of tuberculosis compared to the highest tertile (AHR, 0.7; 95% CI, 0.4-1.4). Vitamin D deficiency was associated with tuberculin conversion ≤2 years of age at a <30nmol/l (AOR, 1.9; 95% CI, 1.2-3.2), but not <50nmol/l (AOR, 1.5; 95% CI, 0.8-2.9), cutoff. CONCLUSION In a setting with hyperendemic tuberculosis, vitamin D levels in infancy did not predict tuberculosis at any point in childhood. However, very low vitamin D levels were associated with tuberculin conversion in young children.
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Affiliation(s)
- Leonardo Martinez
- Department of Epidemiology, School of Public Health, Boston University, Boston, Massachusetts, United States
| | - Jabulani R Ncayiyana
- Division of Epidemiology & Biostatistics, School of Public Health and Family Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.,Division of Public Health Medicine, School of Nursing and Public Health, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Liz Goddard
- Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital, and SA-MRC Uniton Child & Adolescent Health, University of Cape Town, Cape Town, South Africa
| | - Maresa Botha
- Division of Paediatric Allergy, Department of Paediatrics, University of Cape Town, Cape Town, South Africa
| | - Lesley Workman
- Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital, and SA-MRC Uniton Child & Adolescent Health, University of Cape Town, Cape Town, South Africa
| | - Tiffany Burd
- Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital, and SA-MRC Uniton Child & Adolescent Health, University of Cape Town, Cape Town, South Africa
| | - Landon Myer
- Division of Epidemiology & Biostatistics, School of Public Health and Family Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Mark Nicol
- Division of Infection and Immunity, School of Biomedical Sciences, University of Western Australia, Perth, Australia.,Division of Medical Microbiology, University of Cape Town, Cape Town, South Africa
| | - Heather J Zar
- Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital, and SA-MRC Uniton Child & Adolescent Health, University of Cape Town, Cape Town, South Africa
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10
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Zang R, Zhang Y, Zhang H, Zhang X, Lv Y, Li D. Association Between Vitamin D Level and Neonatal Respiratory Distress Syndrome: A Systematic Review and Meta-Analysis. Front Pediatr 2021; 9:803143. [PMID: 35127597 PMCID: PMC8815315 DOI: 10.3389/fped.2021.803143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 12/10/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND In recent years, vitamin D in the occurrence of lung diseases has gradually become a hot topic. Although the role of vitamin D in normal lung development has been confirmed, the correlation between vitamin D level and neonatal respiratory distress syndrome (NRDS) is not clear. OBJECTIVE To evaluate the association between vitamin D level and NRDS. METHODS We performed a comprehensive search of the following electronic databases: PubMed, Embase, Cochrane Library, Web of Science, and China National Knowledge Infrastructure (CNKI). Literature screening and quality assessment were performed according to inclusion and exclusion criteria. The Newcastle-Ottawa Scale was used to assess the methodological components of each study, and Stata 15.1 software to perform the Meta-analysis. RESULTS A total of nine case-control studies were included, with 653 infants with NRDS and 501 infants without NRDS. The Meta-analysis showed no heterogeneity across all studies(I2=0.0%, P=0.583). The fixed-effect model showed that 25 hydroxy vitamin D level of children in the NRDS group was significantly lower than that of the non-NRDS group(SMD = -0.51, 95%CI: -0.63 to -0.39, p ≤ 0.05). CONCLUSION This systematic review and meta-analysis study suggests that vitamin D deficiency is very likely to be a high-risk factor of NRDS, and reasonable vitamin D supplementation during pregnancy and after birth is of great significance.
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Affiliation(s)
- Rina Zang
- Department of Neonatology, Affiliated Hospital of Inner Mongolia Medical University, Huhhot, China
| | - Yayu Zhang
- Department of Neonatology, Affiliated Hospital of Inner Mongolia Medical University, Huhhot, China
| | - Hanshuo Zhang
- Department of Neonatology, Affiliated Hospital of Inner Mongolia Medical University, Huhhot, China
| | - Xueyi Zhang
- Department of Neonatology, Affiliated Hospital of Inner Mongolia Medical University, Huhhot, China
| | - Yuening Lv
- Department of Neonatology, Affiliated Hospital of Inner Mongolia Medical University, Huhhot, China
| | - Dan Li
- Department of Neonatology, Affiliated Hospital of Inner Mongolia Medical University, Huhhot, China
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