Vitamin D status and body composition: a cross-sectional study among employees at a private university in Lebanon

Hayek, Sibelle Al; Mosleh, Jocelyne Matar Bou; Ghadieh, Rachelle; Fares, Jessy El Hayek

doi:10.1186/s40795-018-0239-6

Cited by 13 publications

(13 citation statements)

References 42 publications

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“…Authors could not put a nger on a concrete reason behind this observation. However, authors postulate that though not assessed in this study, increase in body fat (contributing to overweight and obesity if not controlled) during the wet season as a consequence of a possible reduced vitamin D levels [18,19] from lack of exposure to adequate amount of sunlight may have played a role in the observations made. Prevalence of obesity, 4 (7.84%) was identical among the study participants in both seasons.…”

Section: Discussionmentioning

confidence: 79%

Climate change causes changes in biochemical markers of renal disease

Ephraim

Asamoah

Abaka-Yawson

et al. 2020

Preprint

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Background: Climate change is a significant threat to the health of the Ghanaian people. Evidence abounds in Ghana that temperatures in all the ecological zones are rising, whereas rainfall levels have been generally reducing and patterns are increasingly becoming erratic. The study estimated the impact of climate variation between seasons on biochemical markers of renal disease.Methods: This study conveniently recruited 50 apparently healthy peasant farmers and hawkers at Wa in the Upper West Region of Ghana. A pre-study screening for hepatitis A and C, Diabetes mellitus, hypertension was done. Serum creatinine and urea levels were analyzed to rule out kidney preexisting renal disease . Baseline data was collected by estimating urea, creatinine, sodium, potassium, eGFR (estimated glomerular filtration rate) as well as for hemoglobin (Hb) and hematocrit (Hct) concentrations. Anthropometric data such as height, weight and blood pressure were measured by trained personnel. The study participants were closely followed and alerted deep in the dry season for the second sampling (urea, creatinine, hemoglobin, hematocrit, blood pressure, anthropometry)Results: This study recruited more males (58.82%) than females (41.15%), majority (52.92%) of which were aged 25-29 years with the youngest being 22 years and the eldest being 35 years. The study found body mass index (p<0.001), systolic blood pressure (p=0.019), creatinine (p<0.001), urea (p=0.013) and eGFR (p<0.001) to be significantly influenced by climate change. Stage 1 hypertension was predominant among the study participants during the dry season, 8 (15.69%) than was observed during the rainy season, 4 (7.84%) nonetheless the number of participants with normal BMI rose from 49.02% in the rainy season to 62.75% during the dry reason. Additionally, the study observed that the impact of climate change on systolic blood pressure and urea varied based on age and sex. Conclusion: This study revealed that climatic changes cause variations in various biochemical parameters used to assess renal function. Public health education on climatic changes and its implication including precautionary measures should be done among inhabitants of Wa and its environs to reduce its effect. Additionally, appropriate dietary patterns should also be advised to avoid the development of non-communicable diseases such as hypertension and obesity that are known principal causes of Chronic Kidney Disease (CKD).

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Section: Discussionmentioning

confidence: 79%

Climate change causes changes in biochemical markers of renal disease

Ephraim

Asamoah

Abaka-Yawson

et al. 2020

Preprint

View full text Add to dashboard Cite

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“…Vitamin D is known to act as a cofactor in the pathogenesis of obesity [2]. Those with low vitamin D levels showed significantly higher body fat percentage and waist circumference than those with sufficient vitamin D [22] and body mass index (BMI) [23]. The lower the percentage of body fat in young women, the higher the level of serum vitamin D [24].…”

Section: Discussionmentioning

confidence: 99%

A Novel Biosensor and Algorithm to Predict Vitamin D Status by Measuring Skin Impedance

Heo

Kim

et al. 2021

Sensors

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The deficiency and excess of vitamin D cause various diseases, necessitating continuous management; but it is not easy to accurately measure the serum vitamin D level in the body using a non-invasive method. The aim of this study is to investigate the correlation between vitamin D levels, body information obtained by an InBody scan, and blood parameters obtained during health checkups, to determine the optimum frequency of vitamin D quantification in the skin and to propose a vitamin D measurement method based on impedance. We assessed body composition, arm impedance, and blood vitamin D concentrations to determine the correlation between each element using multiple machine learning analyses and an algorithm which predicted the concentration of vitamin D in the body using the impedance value developed. Body fat percentage obtained from the InBody device and blood parameters albumin and lactate dehydrogenase correlated with vitamin D level. An impedance measurement frequency of 21.1 Hz was reflected in the blood vitamin D concentration at optimum levels, and a confidence level of about 75% for vitamin D in the body was confirmed. These data demonstrate that the concentration of vitamin D in the body can be predicted using impedance measurement values. This method can be used for predicting and monitoring vitamin D-related diseases and may be incorporated in wearable health measurement devices.

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“…Authors could not put a finger on a concrete reason behind this observation. However, authors postulate that though not assessed in this study, increase in body fat (contributing to overweight and obesity if not controlled) during the wet season as a consequence of a possible reduced vitamin D levels [ 18 , 19 ] from lack of exposure to adequate amount of sunlight may have played a role in the observations made. Prevalence of obesity, 4 (7.84%) was identical among the study participants in both seasons.…”

Section: Discussionmentioning

confidence: 99%

Climate change causes changes in biochemical markers of kidney disease

et al. 2020

View full text Add to dashboard Cite

Background Climate change is a significant threat to the health of the Ghanaian people. Evidence abounds in Ghana that temperatures in all the ecological zones are rising, whereas rainfall levels have been generally reducing and patterns are increasingly becoming erratic. The study estimated the impact of climate variation between seasons on biochemical markers of kidney disease. Methods This study conveniently recruited 50 apparently healthy peasant farmers and hawkers at Wa in the Upper West Region of Ghana. A pre-study screening for hepatitis A and C, Diabetes mellitus, hypertension was done. Serum creatinine and urea levels were analyzed to rule out kidney preexisting kidney disease. Baseline data was collected by estimating urea, creatinine, sodium, potassium, eGFR (estimated glomerular filtration rate) as well as for hemoglobin (Hb) and hematocrit (Hct) concentrations. Anthropometric data such as height, weight and blood pressure were measured by trained personnel. The study participants were closely followed and alerted deep in the dry season for the second sampling (urea, creatinine, hemoglobin, hematocrit, blood pressure, anthropometry). Results This study recruited more males (58.82%) than females (41.15%), majority (52.92%) of which were aged 25–29 years with the youngest being 22 years and the eldest being 35 years. The study found body mass index (p < 0.001), systolic blood pressure (p = 0.019), creatinine (p < 0.001), urea (p = 0.013) and eGFR (p < 0.001) to be significantly influenced by climate change. Stage 1 hypertension was predominant among the study participants during the dry season, 8 (15.69%) than was observed during the rainy season, 4 (7.84%) nonetheless the number of participants with normal BMI rose from 49.02% in the rainy season to 62.75% during the dry reason. Additionally, the study observed that the impact of climate change on systolic blood pressure and urea varied based on age and sex. Conclusion This study revealed that climatic changes cause variations in various biochemical parameters used to assess kidney function. Public health education on climatic changes and its implication including precautionary measures should be done among inhabitants of Wa and its environs to reduce its effect. Additionally, appropriate dietary patterns should also be advised to avoid the development of non-communicable diseases such as hypertension and obesity that are known principal causes of Chronic Kidney Disease (CKD).

show abstract

Vitamin D status and body composition: a cross-sectional study among employees at a private university in Lebanon

Cited by 13 publications

References 42 publications

Climate change causes changes in biochemical markers of renal disease

Climate change causes changes in biochemical markers of renal disease

A Novel Biosensor and Algorithm to Predict Vitamin D Status by Measuring Skin Impedance

Climate change causes changes in biochemical markers of kidney disease

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