scholarly journals Serum Vitamin D Levels and Skeletal and General Development of Young Bearded Dragon Lizards (Pogona vitticeps), underDifferent Conditions of UV-B Radiation Exposure

2011 ◽  
Vol 10 (2) ◽  
pp. 229-234 ◽  
Author(s):  
K.R. Kroenlein ◽  
K.L. Zimmerman ◽  
G. Saunders ◽  
S.D. Holladay
Keyword(s):  
Vitamin D ◽  
Radiation Exposure ◽  
Serum Vitamin ◽  
General Development ◽  
Serum Vitamin D ◽  
Vitamin D Levels ◽  
Bearded Dragon ◽  
Pogona Vitticeps

scholarly journals Ultraviolet radiation exposure and serum vitamin D levels in young children

2014 ◽  
Vol 50 (9) ◽  
pp. 713-720 ◽  
Author(s):  
Padmaja Ramankutty ◽  
Nicholas H de Klerk ◽  
Margaret Miller ◽  
Michael Fenech ◽  
Nathan O'Callaghan ◽  
...  
Keyword(s):  
Vitamin D ◽  
Young Children ◽  
Ultraviolet Radiation ◽  
Radiation Exposure ◽  
Serum Vitamin ◽  
Serum Vitamin D ◽  
Vitamin D Levels ◽  
Ultraviolet Radiation Exposure

Clinical factors correlated with vitamin D deficiency in patients with obesity scheduled for bariatric surgery: A single center experience

2020 ◽  
Vol 90 (3-4) ◽  
pp. 346-352
Author(s):  
Vincenzo Pilone ◽  
Salvatore Tramontano ◽  
Carmen Cutolo ◽  
Federica Marchese ◽  
Antonio Maria Pagano ◽  
...  
Keyword(s):  
Bariatric Surgery ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Serum Vitamin ◽  
Inverse Correlation ◽  
Model Assessment ◽  
Cross Sectional ◽  
Serum Vitamin D ◽  
Female Sex ◽  
Vitamin D Levels

Abstract. We aim to assess the prevalence of vitamin D deficiency (VDD) in patients scheduled for bariatric surgery (BS), and to identify factors that might be associated with VDD. We conducted a cross-sectional observational study involving all consecutive patients scheduled for BS from 2017 to 2019. The exclusion criteria were missing data for vitamin D levels, intake of vitamin D supplements in the 3 months prior to serum vitamin D determination, and renal insufficiency. A total of 206 patients (mean age and body mass index [BMI] of 34.9 ± 10.7 years, and 44.3 ± 6.99 kg/m2, respectively) met the inclusion criteria and were enrolled for data analysis. VDD (<19.9 ng/mL), severe VDD (<10 ng/mL), and vitamin D insufficiency (20–29.9 ng/mL) were present in 68.8 %, 12.5 %, and 31.2 % of patients, respectively. A significant inverse correlation was found between vitamin D levels and initial BMI, parathyroid hormone, and homeostatic model assessment of insulin resistance (r = −0.280, p < 0.05; r = −0.407, p = 0.038; r = −0.445, p = 0.005), respectively. VDD was significantly more prevalent in patients with higher BMI [−0.413 ± 0.12, CI95 % (−0.659; −0.167), p = 0.006], whereas no significant association between hypertension [−1.005 ± 1.65, CI95 % (−4.338; 2.326), p = 0.001], and diabetes type 2 (T2D) [−0.44 ± 2.20, CI95 % (−4.876; 3.986), p = 0.841] was found. We observed significant association between female sex and levels of vitamin D [6.69 ± 2.31, CI95 % (2.06; 11.33), p = 0.006]. The present study shows that in patients scheduled for BS, VDD deficiency is common and was associated with higher BMI, and female sex.

Association of Vitamin D Levels and Other Risk Factors with Asthma Exacerbations in Children

2020 ◽  
Keyword(s):  
Risk Factors ◽  
Vitamin D ◽  
Serum Vitamin ◽  
Persistent Asthma ◽  
Food Allergies ◽  
P Value ◽  
Serum Vitamin D ◽  
Asthma Exacerbations ◽  
Vitamin D Levels ◽  
Animal Dander

Background: The risk factors for asthma exacerbations are well understood. However, the effect of vitamin D levels on number of asthma exacerbations per year is not clearly studied. The objective of the study was to find out the association of serum vitamin D levels and asthma risk factors on asthma exacerbations. Methods: In this study, ninety-nine subjects from 5 to 15 years of age were recruited at an episode of acute exacerbation. It was a cross sectional study and carried out from 2012 to 2015. Pulmonary function test was done by spirometry. Asthma exacerbation was labeled when forced expiratory volume/ forced vital capacity (FEV1/FVC) ratio was less than 80% (American Thoracic Society). Global Initiative for Asthma (GINA) guidelines were used to classify asthma into mild, moderate and severe persistent asthma. Serum vitamin D levels were measured by chemiluminescence method. Pearson Chi-square test was applied and p value (p<0.05) was considered as statistically significant. Results: Children who had exposure to animal dander had significantly lower asthma exacerbations per year (p-value <0.046). There was no significant association between vitamin D levels and number of exacerbations per years (p-value <0.099). Asthma was prevalent in girls of low socioeconomic status (SES) compared to males. However, there was no significant association between smoke, exercise, home environment, food allergies, weather, pollen and dust with asthma exacerbations. Conclusion: Low levels of vitamin D were not associated with increased number of asthma exacerbations per year. However, children exposed to animal dander had lesser number of exacerbations per year (p-value <0.046). Keywords: Asthma; Vitamin D; Children; Exacerbations, Risk factors.

scholarly journals Impact of the 2020 Victorian COVID lockdown measures on serum vitamin D levels

Pathology ◽  
2021 ◽  
Vol 53 ◽  
pp. S40
Author(s):  
Michael B. Theophilos ◽  
Catherine Lynch ◽  
Jasmina Nguyen ◽  
Ken A. Sikaris
Keyword(s):  
Vitamin D ◽  
Serum Vitamin ◽  
Serum Vitamin D ◽  
Vitamin D Levels

Serum vitamin D levels in females with urinary incontinence: a meta-analysis of observational trials

2021 ◽  
Author(s):  
Chih-Chen Hsu ◽  
Yu-Chen Huang ◽  
Syuan-Hao Syu ◽  
Hung-Jen Shih ◽  
Yung-Wei Lin ◽  
...  
Keyword(s):  
Vitamin D ◽  
Urinary Incontinence ◽  
Meta Analysis ◽  
Serum Vitamin ◽  
Serum Vitamin D ◽  
Vitamin D Levels

Association between vitamin D deficiency and prostate cancer: Prospective case-control study

2021 ◽  
pp. 205141582199360
Author(s):  
Ghanshyam Kumawat ◽  
Vijay Chaudhary ◽  
Anurag Garg ◽  
Nishkarsh Mehta ◽  
Gagan Talwar ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Case Control Study ◽  
Serum Vitamin ◽  
P Value ◽  
Serum Vitamin D ◽  
Severe Vitamin ◽  
Vitamin D Levels ◽  
Control Study

Objective: We aimed to find out the association of low serum vitamin D levels with the incidence of prostate cancer through a prospective case-control study. Material and methods: This study was carried out in the tertiary care hospital (India). All newly diagnosed patients of prostate cancer and age-matched controls were included. Serum vitamin D levels were measured in all of them. Vitamin D status (ng/mL) was classified as severe deficiency <10, moderate deficiency 10–<30, normal 30–100, and toxicity >100. Normality of the data was tested by the Kolmogorov–Smirnov test, statistical analysis was done with Statistical Package for the Social Sciences version 26.0, p-value of <0.05 was considered significant. Results: In our study, 320 cases and 320 controls were included. The mean vitamin D levels in cases and controls were 15.71 ± 6.5 (ng/mL) and 17.63 ± 4.54 (ng/mL), respectively, ( p-Value <0.01). Patients with severe vitamin D deficiency (73.58%) had a Gleason score ⩾8 on biopsy and 79.24% of them had a serum prostate specific antigen (PSA) level >20 ng/mL. Conclusion: We had concluded that there was no significant association between vitamin D deficiency and increased risk of prostate cancer, although patients with higher-grade prostate cancer and with higher PSA level had severe vitamin D deficiency. Level of evidence: Not applicable for this multicentre audit.

scholarly journals Personal and Environmental Risk Factors at Birth and Hospital Admission: Direct and Vitamin D-Mediated Effects on Bronchiolitis Hospitalization in Italian Children

2021 ◽  
Vol 18 (2) ◽  
pp. 747
Author(s):  
Marco Zaffanello ◽  
Giuliana Ferrante ◽  
Salvatore Fasola ◽  
Michele Piazza ◽  
Giorgio Piacentini ◽  
...  
Keyword(s):  
Risk Factors ◽  
Vitamin D ◽  
Hospital Admission ◽  
Environmental Risk ◽  
Gestational Age ◽  
Serum Vitamin ◽  
Spring Season ◽  
Serum Vitamin D ◽  
Mediated Effects ◽  
Vitamin D Levels

Seasonal variations in UV-B radiation may influence vitamin D status, and this, in turn, may influence the risk of bronchiolitis hospitalization. The aim of this study was using a causal inference approach to investigate, simultaneously, the interrelationships between personal and environmental risk factors at birth/hospital admission (RFBH), serum vitamin D levels and bronchiolitis hospitalization. A total of 63 children (<2 years old) hospitalized for bronchiolitis (34 RSV-positive) and 63 controls were consecutively enrolled (2014–2016). Vitamin D levels and some RFBH (birth season, birth weight, gestational age, gender, age, weight, hospitalization season) were recorded. The discovered RFBH effects on the risk ok bronchiolitis hospitalization were decomposed into direct and vitamin-D mediated ones through Mediation Analysis. Winter-spring season (vs. summer-autumn) was significantly associated with lower vitamin D levels (mean difference −11.14 nmol/L). Increasing serum vitamin D levels were significantly associated with a lower risk of bronchiolitis hospitalization (OR = 0.84 for a 10-nmol/L increase). Winter-spring season and gestational age (one-week increase) were significantly and directly associated with bronchiolitis hospitalization (OR = 6.37 and OR = 0.78 respectively), while vitamin D-mediated effects were negligible (1.21 and 1.02 respectively). Using a comprehensive causal approach may enhance the understanding of the complex interrelationships among RFBH, vitamin D and bronchiolitis hospitalization.

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