Vitamin D deficiency, hyperparathyroidism and bone turnover in patients listed for liver transplantation (LTX): Preliminary results of a cross-sectional study

Bone ◽  
2009 ◽  
Vol 44 ◽  
pp. S400
Author(s):  
D. Wagner ◽  
H. Dobnig ◽  
D. Kniepeiss ◽  
F. Iberer ◽  
T.R. Pieber ◽  
...  
Keyword(s):  
Vitamin D ◽  
Liver Transplantation ◽  
Bone Turnover ◽  
Vitamin D Deficiency ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Cross Sectional ◽  
Preliminary Results

scholarly journals Vitamin D deficiency as adverse drug reaction? A cross-sectional study in Dutch geriatric outpatients

2016 ◽  
Vol 72 (5) ◽  
pp. 605-614 ◽  
Author(s):  
A. C. B. van Orten-Luiten ◽  
A. Janse ◽  
R. A. M. Dhonukshe-Rutten ◽  
R. F. Witkamp
Keyword(s):  
Vitamin D ◽  
Adverse Drug Reaction ◽  
Drug Reaction ◽  
Vitamin D Deficiency ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Cross Sectional

scholarly journals Vitamin D Deficiency Is Common in Ghana despite Abundance of Sunlight: A Multicentre Comparative Cross-Sectional Study

2021 ◽  
Vol 2021 ◽  
pp. 1-7
Author(s):  
Samuel Asamoah Sakyi ◽  
Maxwell Hubert Antwi ◽  
Linda Ahenkorah Fondjo ◽  
Edwin Ferguson Laing ◽  
Richard K. Dadzie Ephraim ◽  
...  
Keyword(s):  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Geographical Area ◽  
Daily Intake ◽  
Cross Sectional Study ◽  
The Body ◽  
Sectional Study ◽  
Cross Sectional ◽  
Hydroxyvitamin D ◽  
25 Hydroxyvitamin D

Background. Vitamin D is a steroid hormone important for the normal functioning of the body. It is produced through skin exposure to sunlight and from the diet. Although Ghana is located in the tropics where sunlight is abundant, factors like culture, diet, skin pigmentation, variation in the ozone layer, and geographical area influence the optimization of vitamin D concentration. It is imperative to evaluate the interplay between sunshine exposure, proinflammatory cytokines, and mediators of vitamin D metabolism and their relationship to vitamin D status in three geographical sections among apparent healthy Ghanaians. Methods and Results. In a cross-sectional study, a total of five hundred (500) healthy blood donors from three geographical areas in Ghana were enrolled. Their age ranged from 17 to 55 years with a mean age of 27.97 ± 8.87 years. The overall prevalence rate of vitamin D deficiency was 43.6% (218/500), with 41.2% (91/221), 45.3% (63/139), and 45.7% (64/140) of vitamin D deficiency being recorded in participants from the Northern Sector (NS), Middle Belt (MB), and Southern Sector (SS), respectively. However, there were no significant differences in the proportions of vitamin D deficiency across various geographical sectors. The median 25-hydroxyvitamin D serum levels were compared among geographical areas (NS, MB, and SS) and there were no significant differences ( P = 0.275 ) after adjusting for confounding factors. 25-Hydroxyvitamin D correlated positively with corrected ionized calcium (rs = 0.622, P ≤ 0.001 ) and phosphorus (rs = 0.299, P ≤ 0.001 ) and negatively correlated with SBP (rs = −0.092, P = 0.039 ), vitamin D binding protein (VDBP) (rs = −0.421, P ≤ 0.001 ), intact parathyroid hormone (iPTH) (rs = −0.0568, rs ≤ 0.001), IFN-gamma (rs = −0.684, P ≤ 0.001 ), and TNF-alpha (rs = −0.600, P ≤ 0.001 ). After adjusting for possible confounders, not having knowledge about vitamin D foods, taking fewer vitamin D foods, and higher levels of IF-γ and IL-10 were associated with a higher risk of having vitamin D deficiency. Conclusion. The prevalence of 25-hydroxyvitamin D deficiency is high among the general adult population in Ghana despite the abundance of sunlight. Increasing knowledge on vitamin D diet coupled with a daily intake of vitamin D dietary supplements is likely to reduce the risk of developing 25-hydroxyvitamin D deficiency.

scholarly journals Prevalence of vitamin D deficiency in early-diagnosed cancer patients: A cross-sectional study

2020 ◽  
Vol 28 (2) ◽  
pp. 54-59
Author(s):  
Mazen Almehmadi ◽  
Khalid Alzahrani ◽  
Magdi M. Salih ◽  
Abdulaziz Alsharif ◽  
Naif Alsiwiehri ◽  
...  
Keyword(s):  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Cancer Patients ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Cross Sectional
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