scholarly journals Association of vitamin D status and cardio-metabolic risk factors in children and adolescents: the CASPIAN-V study

BMC Nutrition ◽  
2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Mostafa Qorbani ◽  
Motahar Heidari-Beni ◽  
Hanieh-Sadat Ejtahed ◽  
Gita Shafiee ◽  
Farid Goodarzi ◽  
...  
Keyword(s):  
Vitamin D ◽  
Children And Adolescents ◽  
Vitamin D Deficiency ◽  
Pediatric Population ◽  
Cross Sectional Study ◽  
Surveillance Program ◽  
Cross Sectional ◽  
Vitamin D Levels ◽  
Low Hdl ◽  
25 Hydroxy Vitamin D

Abstract Background Metabolic syndrome (MetS) starts from early life and is one of the important underlying factors for non-communicable diseases (NCDs) in adulthood. Controversial evidence exists on the role of vitamin D deficiency in increasing the risk of pediatric MetS. Objective This study aimed to assess the relationship between vitamin D level with MetS and its components in children and adolescents. Methods This nationwide cross-sectional study was performed as part of a surveillance program in Iran. Participants were 2596 students, aged 7 to 18 years, living in 30 provinces. In addition to filling questionnaires, a physical examination was conducted, and blood samples were collected. The serum concentration of 25-hydroxy vitamin D (25(OH)D) was measured using the direct competitive immunoassay chemiluminescence method. Results 2596 students with a mean age of 12.2 y (55.1% boys) were recruited. Prevalence of vitamin D deficiency and insufficiency in participants was 10.6% (n = 276), and 60.5% (n = 1570), respectively. The prevalence of MetS was higher in the vitamin D deficient group. Students with deficient vitamin D levels had higher odds of MetS (OR: 4.25, 95%CI: 2.26–7.98), abdominal obesity (OR: 2.24, 95%CI: 1.61–3.12), low HDL-C (OR: 1.65, 95%CI: 1.18–2.30) and high fasting blood sugar (OR: 2.56, 95%CI: 1.43–4.57) in comparison to those with sufficient level of vitamin D. Conclusion Vitamin D deficiency was associated with increased odds of MetS and its components in the Iranian pediatric population. These findings underscore the importance of prevention and control of vitamin D deficiency in preventative programs against NCDs.

scholarly journals Association of Vitamin D Status and Cardio-Metabolic Risk Factors in Children and Adolescents: The CASPIAN-V Study

2020 ◽  
Author(s):  
Mostafa Qorbani ◽  
Motahar Heidari-Beni ◽  
Hanieh-Sadat Ejtahed ◽  
Gita Shafiee ◽  
Farid Goodarzi ◽  
...  
Keyword(s):  
Vitamin D ◽  
Children And Adolescents ◽  
Vitamin D Deficiency ◽  
Communicable Disease ◽  
Pediatric Population ◽  
Surveillance Program ◽  
Cross Sectional ◽  
Low Hdl ◽  
25 Hydroxy Vitamin D ◽  
And Control

Abstract Background: Metabolic syndrome (MetS) starts from early life, and is one of the important underlying factors for non-communicable disease (NCDs) in adulthood. Controversial evidence exists on the role of vitamin D deficiency in increasing risk of pediatric MetS. Objective: This study aimed to assess the relationship between vitamin D level with MetS and its components in children and adolescents. Methods: This cross-sectional nationwide study was performed as part of a surveillance program in Iran. Participants were 2596 students, aged 7 to 18 years, living in 30 provinces. In addition to filling questionnaires, physical examination was conducted, and blood samples were collected. Serum concentration of 25-hydroxy vitamin D (25(OH)D) was measured using direct competitive immunoassay chemiluminescene method.Results: 2596 students with mean age of 12.2 y (55.1% boys) were recruited. Prevalence of vitamin D deficiency and insufficiency in participants was 10.6% (n=276), and 60.5% (n=1570), respectively. Prevalence of MetS was higher in vitamin D deficient group. Students with deficient vitamin D level had higher odds of MetS (OR: 4.25, 95%CI: 2.26-7.98), abdominal obesity (OR: 2.24, 95%CI: 1.61-3.12), low HDL-C (OR: 1.65, 95%CI: 1.18-2.30) and high fasting blood sugar (OR: 2.56, 95%CI: 1.43-4.57) in comparison to those with sufficient level of vitamin D.Conclusion: Vitamin D deficiency was associated with increased odds of MetS and its components in Iranian pediatric population. These findings underscore the importance of prevention and control of vitamin D deficiency in preventative programs against NCDs.

Genetic Variation in CYP2R1 and GC Genes Associated With Vitamin D Deficiency Status

2016 ◽  
Vol 30 (1) ◽  
pp. 31-36 ◽  
Author(s):  
Nicole A. Slater ◽  
Michelle L. Rager ◽  
Dawn E. Havrda ◽  
Arthur F. Harralson
Keyword(s):  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Serum Vitamin ◽  
Cross Sectional Study ◽  
Total Serum ◽  
Cross Sectional ◽  
Serum Vitamin D ◽  
Vitamin D Levels ◽  
25 Hydroxy Vitamin D ◽  
Variant Alleles

This cross-sectional study enrolled 180 patients at a private family practice in Virginia. Total serum vitamin D concentrations were obtained weekly from January 30, 2013, through March 30, 2013, in consecutive patients regularly scheduled for laboratory work at the practice. Patients were categorized into 2 groups and analyzed for variant alleles in vitamin D receptor ( VDR; rs2228570), cytochrome P450 2R1 ( CYP2R1; rs10741657), 7-dehydrocholesterol reductase ( DHCR7; rs12785878), and group-specific component ( GC; rs2282679) to determine whether variants of those alleles influenced total serum 25(OH)D concentrations. One-hundred and eighty patients were enrolled, with 40 (22%) being sufficient, 25-hydroxy vitamin D level 25(OH)D ≥ 30 ng/mL, and 140 (78%) being insufficient, 25(OH)D < 30 ng/mL. Of the 4 genes, 2 genes, CYP2R1 (rs10741657) and GC (rs2282679), demonstrated a significant association related to vitamin D status. Subjects with 1 or more variant alleles at rs10741657 were almost 3.7 (odds ratio [OR] 3.67; 95% confidence interval [CI]: 1.35-9.99) times more likely be insufficient in vitamin D and subjects with 1 or more variant alleles at rs2282679 were about half (OR 0.42; 95% CI: 0.18-0.93) as likely to be insufficient in vitamin D. Allelic variations in CYP2R1 (rs10741657) and GC (rs2282679) affect vitamin D levels, but variant alleles on VDR (rs2228570) and DHCR7 (rs12785878) were not correlated with vitamin D deficiency, 25(OH)D < 30 ng/mL.

scholarly journals Vitamin D Status of Epileptic Children in India: A Prospective Cross-Sectional Study from a Tertiary Care Centre

2020 ◽  
Vol 10 (01) ◽  
pp. e87-e92
Author(s):  
Chandrika Azad ◽  
Vishal Guglani ◽  
Jasbinder Kaur ◽  
Roosy Aulakh ◽  
Sukhvinder Singh ◽  
...  
Keyword(s):  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Tertiary Care ◽  
Cross Sectional Study ◽  
Vitamin D Status ◽  
Sectional Study ◽  
Cross Sectional ◽  
Vitamin D Levels ◽  
Epileptic Children ◽  
25 Oh Vitamin D

AbstractVitamin D deficiency is prevalent all over the world, especially in tropical countries. In epileptics, antiepileptic drugs (AED) and associated comorbidities further impact vitamin D status. The aim of this study is to estimate the prevalence of 25(OH) vitamin D deficiency in epileptic children and evaluate probable risk factors. A cross-sectional study of 200 children between 1 and 18 years of age on AED was undertaken in the pediatric neurology clinic of a tertiary care center of Northern India. In all children, serum 25(OH) vitamin D levels, calcium, phosphorus, and alkaline phosphatase were estimated. The deficiency levels of vitamin D were categorized as: deficiency <20 ng/mL, insufficiency 20 to 30 ng/mL, and sufficiency >30 ng/mL. The potential risk factors for hypovitaminosis D, including type of epilepsy, AED regimen (specific medications, polytherapy vs. monotherapy), cerebral palsy, ambulatory status, intellectual disability, body mass index, gender, and vegetarianism were examined. Among the 200 enrolled children (60% boys), 106/200 (53%) were vitamin D deficient. There was no significant relation of vitamin D levels with gender, type of epilepsy, neurological deficit, and type of AED. An inverse relationship of higher phenytoin doses during monotherapy associated with lower vitamin D levels in monotherapy was found, thereby suggesting adverse effect of high doses of phenytoin on vitamin D levels. VDD is common among epileptic children on AED therapy. Vitamin D deficiency is common prevalent among epileptic children on AED therapy, and its detection and treatment correction should be an integral part of epilepsy management.

scholarly journals Vitamin D deficiency in children with bronchial asthma in southern Jordan: a cross-sectional study

2020 ◽  
Vol 48 (12) ◽  
pp. 030006052097424
Author(s):  
Enas Al-Zayadneh ◽  
Nedal Awad Alnawaiseh ◽  
Salma Ajarmeh ◽  
Areej Hamed Altarawneh ◽  
Eman M Albataineh ◽  
...  
Keyword(s):  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Bronchial Asthma ◽  
Asthma Severity ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Asthma Control Test ◽  
Cross Sectional ◽  
Vitamin D Levels ◽  
25 Oh Vitamin D

Objectives To assess serum 25-hydroxycholecalciferol (25-OH vitamin D) levels in Jordanian children with bronchial asthma, and to examine correlations between 25-OH vitamin D levels and asthma severity and control. Methods A cross-sectional study was conducted at the Paediatric Chest Clinic, Al-Karak Governmental Hospital, Southern Jordan, between May 2015 and February 2016. Serum 25-hydroxyvitamin D level was determined in children aged 1–14 years diagnosed with bronchial asthma (6–14 years) or recurrent wheezing episodes (<6 years). Asthma severity was determined based on the Global Initiative for Asthma assessment, the Asthma Control Test, and the Childhood Asthma Control Test. Demographic and clinical characteristics were compared between patients with low and normal 25-OH vitamin D levels, and correlations between asthma severity and 25-OH vitamin D level were assessed. Results Out of 98 included children, 25-OH vitamin D levels were deficient and insufficient in 41 (41.8%) and 34 (34.7%) children, respectively. Only 23 (23.5%) had sufficient 25-OH vitamin D levels. A significant correlation was found between severity of asthma symptoms and 25-OH vitamin D deficiency. Conclusion 25-OH vitamin D deficiency is highly prevalent in Jordanian children with bronchial asthma and correlates significantly with asthma severity.

Vitamin D levels in paediatric intensive care unit patients and its relation to severity of illness: An Indian experience

2021 ◽  
pp. 004947552199299
Author(s):  
Durgesh Kumar ◽  
Mukesh V Singh ◽  
Rajesh K Yadav ◽  
Dinesh K Singh ◽  
Deepak K Singh ◽  
...  
Keyword(s):  
Vitamin D ◽  
Intensive Care ◽  
Vitamin D Deficiency ◽  
Severity Of Illness ◽  
Cross Sectional Study ◽  
Paediatric Intensive Care ◽  
Critically Ill Children ◽  
Cross Sectional ◽  
Indian Experience ◽  
Vitamin D Levels

 Vitamin D deficiency is a common disorder that is associated with morbidity and mortality in the general population. We conducted a cross-sectional study of 384 children admitted to paediatric intensive care to determine its prevalence and association with severity of illness and outcome in critically ill children. The severity of illness was evaluated using the paediatric risk of mortality score (PRISM III), on admission, at 24 and 48 h. Vitamin D deficiency was observed in 175 children (45.6%) and was associated with higher severity of illness, need for mechanical ventilation and increased mortality.

scholarly journals The Effects of Micronutrient Genetic Testing on Post-op Bariatric Surgery Outcomes: A Study Protocol

2021 ◽  
Vol 5 (Supplement_2) ◽  
pp. 1287-1287
Author(s):  
Emily Salas-Groves ◽  
Dylan Bailey ◽  
Shannon Galyean ◽  
Allison Childress
Keyword(s):  
Bariatric Surgery ◽  
Vitamin D ◽  
Genetic Testing ◽  
Vitamin D Deficiency ◽  
Nutrition Education ◽  
Health Knowledge ◽  
Cross Sectional Study ◽  
Buccal Swab ◽  
Cross Sectional ◽  
Vitamin D Levels

Abstract Objectives Obesity has been identified as a risk factor for vitamin D deficiency. Those seeking bariatric surgery for obesity treatment have an additional risk for low vitamin D levels post-op due to factors that affect compliance with taking supplemental vitamins and minerals. As personalized nutrition (PN) may change behaviors and have an impact on health outcomes, this study will examine the relationships among genetic variants that predispose individuals to vitamin D deficiency, PN, knowledge of the risk of vitamin D deficiency, and supplemental vitamin adherence in patients who have undergone bariatric surgery. Methods This will be a one year cross-sectional study with approximately 50 participants with severe obesity having bariatric surgery. Inclusion criteria will include subjects aged 18 years and older seeking sleeve gastrectomy at The Advanced Bariatric Surgery Center in Lubbock, Texas. Exclusion criteria will be those who are not candidates for surgery and nicotine, alcohol, and/or drug dependency. The data collected will include buccal swab genetic tests, two assays for vitamin D receptor (VDR) single polymorphisms (SNPs), vitamin D levels, diet and vitamin and mineral adherence, and dual-energy X-ray absorptiometry (DEXA) scans. This information will be analyzed and compared to patients’ outcomes at pre-op and post-op appointments. Results N/A. Conclusions Upon completing this study, we expect to have identified how micronutrient genetic testing can be used in conjunction with PN to improve the bariatric surgery population's vitamin D levels. This outcome can further nutrition education and PN to improve overall health knowledge and interventional outcomes on critical nutritional parameters. Furthermore, the results could potentially produce greater adherence to vitamin and mineral regimens, and improve bone density among individuals who have undergone bariatric surgery. Funding Sources This study was funded by start-up funds from Texas Tech University.

scholarly journals Vitamin D deficiency is not associated with increased oxidative stress in chronic kidney disease pre-dialysis patients

2020 ◽  
Author(s):  
Andressa Keiko Matsumoto ◽  
Michael Maes ◽  
Ana Paula Michelin ◽  
Abel Esteves Soares ◽  
Laura de Oliveira Semeão ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Chronic Kidney Disease ◽  
Vitamin D ◽  
Kidney Disease ◽  
Vitamin D Deficiency ◽  
High Sensitivity ◽  
Cross Sectional Study ◽  
Dialysis Patients ◽  
Cross Sectional ◽  
Vitamin D Levels

Abstract Introduction: The progressive decline in 25-hydroxyvitamin D [25(OH)D] in chronic kidney disease (CKD) limits the kidney ability of synthesizing the vitamin. Vitamin D deficiency as defined by KDIGO (25(OH)D <20 ng/mL) is prevalent in CKD patients and associated to oxidative stress (OS). We studied a possible association between vitamin D deficiency and OS in pre-dialysis patients. Methods: A cross-sectional study with 206 CKD patients was carried out. Laboratory tests for 25(OH)D, 1,25(OH)2D, inflammatory markers, and OS were added to routine tests including creatinine, albumin, calcium, phosphorus, alkaline phosphatase, iPTH, glucose, hemoglobin, uric acid, total cholesterol, LDL, HDL, and triglycerides. Results: Vitamin D deficiency was present in 55 CKD patients and normal vitamin D levels were seen in 149 patients. There was a significant association between vitamin D and estimated glomerular filtration rate (eGRF). Homocysteine levels were best predicted by eGRF, sex, and age; high sensitivity C-reactive protein (hsCRP) by staging and BMI; nitric oxide metabolites (NOx) were increased in late disease; leptin was influenced by BMI and higher in women than man; and adiponectin levels were higher in women. Conclusions: OS biomarkers were not correlated with vitamin D deficiency but increased NOx were seen in stages 4-5 CKD patients. Even though a relatively large number of CKD patients was included and a broad number of OS and inflammatory biomarkers were used in this studied we failed to find an association between vitamin D levels and eGRF. More studies are needed to evaluate the influence of vitamin D status in OS in pre-dialysis CKD patients.

scholarly journals Evaluation of the Relationship Between Vitamin D Levels and Related Serum Markers as Well as Disease Activity in Patients With Rheumatoid Arthritis: A Cross-sectional Study in Western Iran

2020 ◽  
Author(s):  
Nasrin Moghimi ◽  
Ali Faridfar ◽  
Reza Shahriarirad ◽  
Mohsen Nikandish ◽  
Amirhossein Salimi ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Serum Levels ◽  
Cross Sectional Study ◽  
Serum Marker ◽  
Sectional Study ◽  
Cross Sectional ◽  
Vitamin D Levels ◽  
The Relationship

Abstract Introduction: Many studies have reported the role of vitamin D in rheumatoid arthritis (RA) which is related to several serum autoantibodies such as RF and Anti CCP. It also has been shown that vitamin D deficiency affect the DAS28 and VAS score inversely. Therefore, we aim to assess the relationship between vitamin D deficiency and RA-related autoantibodies including Anti CCP and RF levels and also evaluate the association between these parameters and the severity of disease.Methods: In this cross-sectional study, RA patients over 16 years of age were enrolled. The severity of diseases was assessed via the DAS28 scoring system. Serum levels of 25(OH) vitamin D were determined by the ELISA method, along with other rheumatoid related laboratory evaluations including Anti CCP, RF and CRPResults: A total of 100 patients with a mean age of 45.27± 14.14 were included and evaluated; of them, 75% were female and 77% lived in the city. Most of the patients (66%) had moderate DAS28 levels; however, no substantial relationship was observed between DAS28 and vitamin D levels. A significant positive relation between serum 25(OH)D level and disease duration, as well as the level of education, was observed. There was also no significant correlation between RA-related autoantibodies and inflammatory serum marker with 25(OH)D.Conclusion: Due to vitamin deficiency in the majority of cases (73%) and the relationship between serum 25(OH)D levels and the duration of disease, it can be concluded that vitamin D levels should be checked in those patients.

scholarly journals Incidence of vitamin D deficiency in pediatric neurology outpatient department of a tertiary care hospital

2018 ◽  
Vol 5 (4) ◽  
pp. 1414
Author(s):  
Purva Keni Karnavat ◽  
Anaita Udwadia Hegde ◽  
Fazal Nabi
Keyword(s):  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Tertiary Care ◽  
Cross Sectional Study ◽  
Care Hospital ◽  
Cross Sectional ◽  
Pediatric Neurology ◽  
Economic Class ◽  
Vitamin D Levels ◽  
Chi Squared

Background: Pediatric neurology outpatient populations are a vulnerable subgroup for vitamin D deficiency. The aim was to study the incidence of vitamin D deficiency in pediatric neurology patients by studying relevant biochemical profile and to assess the contributory factors for the same.Methods: A hospital based cross sectional study was conducted at a tertiary care setup in Mumbai between 2011 and 2012. A total of 284 children aged 0.5-18 years, attending pediatric neurology OPD were enrolled. Statistical analysis was carried out with SPSS version 17.0 and included descriptive statistics; Chi squared and unpaired t-tests to investigate significance of proposed predictors for vitamin D status.Results: 89.1% of the children were deficient in vitamin D levels (≤30 ng/ml); out of these 11% were severely deficient. Factors significantly associated with vitamin D deficiency were increasing age (p=0.034), absence of intake of calcium supplements (p=0.00) and upper socio-economic class (p=0.001). Low serum calcium levels (p=0.01) and high PTH levels (p=0.00) were associated significantly. Prevalence was similar in children with higher BMI as compared to lower BMI. Duration of AEDs rather than number of drugs was more associated with deficiency.Conclusions: A high prevalence of vitamin D inadequacy in noted in pediatric neurology patients.

scholarly journals Vitamin D status among postmenopausal osteoporotic women: a hospital based cross-sectional study from Northern Sri Lanka.

2020 ◽  
Author(s):  
Navaneethakrishnan Suganthan ◽  
Thirunavukarasu Kumanan ◽  
Vithegi Kesavan ◽  
Mahalingam Aravinthan ◽  
Nadarajah Rajeshkannan
Keyword(s):  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Serum Vitamin ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Cross Sectional ◽  
Serum Vitamin D ◽  
Vitamin D Levels ◽  
Menopausal Women ◽  
Post Menopausal

Abstract Background Vitamin D deficiency is common among post-menopausal women and it is important to treat vitamin D deficiency to prevent falls and fractures in patients with osteoporosis. Few studies examined the prevalence of vitamin D deficiency in general population of Sri Lanka but no studies to date done among post-menopausal women with osteoporosis. This is the first study of such kind conducted to evaluate the serum vitamin D levels and factors related to Vitamin D deficiency among postmenopausal women.Methodology Hospital based Cross -sectional study was conducted at the Endocrine Unit, Teaching Hospital from January to December 2018.During the study period 105 postmenopausal women registered for DEXA scan with Endocrine Unit were recruited to the study. Data collection was done by investigators and blood sample was taken from each participant by registered nursing officers and sample was analysed by using immunohistochemistry assays. Serum Vitamin D levels were categorized and data analysis was done using SPSS 26.Results Mean age of 105 postmenopausal women was 67.7 with minimum 33 and maximum 84 years. Mean Vitamin D levels were 27.5(range11.7-52.5ng/ml). Vitamin D levels were adequate in only 36.2% (95%CI: 27.4-45.7) of women, 44% had insufficient levels and deficiency was present in 19% (95%CI: 12.4-27.4) of participants. Among the 105 women 20% were vegetarian and 53% of them consuming milk on average 3 days per week, 76.2% consuming fish on average 2 days per week, 64.8% consuming egg on average 1 day per week. Furthermore seventy five participants (71.4%) reported adequate level of sun exposure (>30minutes).Commonly reported vitamin deficiency symptoms includes paraesthesia (57.1%),bone pain (55.2%), easy fatigability (54.3%), malaise (51.4%), muscle cramps (43.8%) and proximal myopathy (40.0%).Among 71(66.7%) completed bone density assessment,38% (27.3-49.7) of them showed osteoporosis range. Vertebral Z score showed a significant correlation with vitamin D level(r-0.252, P-0.034).Conclusion Prevalence of vitamin D deficiency is relatively high among the post-menopausal women with a provisional diagnosis of osteoporosis. It is essential to correct vitamin D deficiency with supplementation when initiating treatment for osteoporosis. So vitamin D testing is desirable in decision making to treat or not to treat.

Sign in / Sign up

Export Citation Format

Share Document