scholarly journals Vitamin D and hypertension in pregnancy

2011 ◽  
Vol 34 (3) ◽  
pp. 147 ◽  
Author(s):  
Jennifer S Ringrose ◽  
Anne M PausJenssen ◽  
Merne Wilson ◽  
Lara Blanco ◽  
Heather Ward ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Negative Correlation ◽  
Univariate Analysis ◽  
Late Pregnancy ◽  
Hydroxyvitamin D ◽  
Northern Latitudes ◽  
Near Term ◽  
In Pregnancy

Purpose: Vitamin D Deficiency is common, particularly in northern latitudes. We examined the association between vitamin D status and hypertension in late pregnancy. Methods: A case-control study was conducted during two time periods: September-October, 2008, and January-March, 2009, in women near term. A case was defined as having two or more documented blood pressure readings above 140/90 (either/or) at any time during pregnancy (n=78). Controls had at least two blood pressure readings, with none above 140/90 during pregnancy (n=109). Serum 25-hydroxyvitamin D (25(OH)D) was measured in all participants. Results: In the summer, 13% of controls and 29% of the cases had 25(OH) D levels < 50 nmol/L. During the winter, these numbers rose to 44% and 49% respectively. Both cases and controls were more likely to be vitamin D deficient in the winter (p=0.002). There was a negative correlation between BMI and 25(OH)D (r=-0.202, p=0.002). In univariate analysis, cases had lower 25(OH)D (p=0.046), but also higher body mass index, so that in multivariate analysis 25(OH)D status was no longer significant. There was no difference in mean oral daily vitamin D intake (dietary intake and supplements, 746 and 785 IU respectively). Controls gained less weight in pregnancy. There was a negative correlation between the highest blood pressure measured in pregnancy and 25(OH)D levels (r= -0.118; p=0.012). Conclusion: There is a high prevalence of vitamin D deficiency in pregnant women recruited in Saskatoon, Saskatchewan. Women with low circulating vitamin D concentrations are more likely to have hypertension.

scholarly journals Association of Bacterial Vaginosis with Vitamin D in Pregnancy: Secondary Analysis from the Kellogg Pregnancy Study

2019 ◽  
Vol 09 (03) ◽  
pp. e226-e234
Author(s):  
Anna Maya Powell ◽  
Judy R. Shary ◽  
Christopher Louden ◽  
Vishwanathan Ramakrishnan ◽  
Allison Ross Eckard ◽  
...  
Keyword(s):  
Vitamin D ◽  
Bacterial Vaginosis ◽  
Vitamin D Deficiency ◽  
Pregnancy Outcomes ◽  
Controlled Trial ◽  
Secondary Analysis ◽  
Hydroxyvitamin D ◽  
Gram Staining ◽  
Mixed Regression ◽  
In Pregnancy

Objective Bacterial vaginosis (BV) is associated with vitamin D deficiency and poor pregnancy outcomes. We studied a nested cohort from a randomized controlled trial to investigate the association between BV and vitamin D concentration in pregnancy. Study Design Subjects with randomly assigned 400 versus 4,400 IU of daily cholecalciferol (vitamin D3) had vaginal swabs collected for Gram staining and Nugent score calculation, as well as plasma 25-hydroxyvitamin D (25(OH)D) measurement at three pregnancy time points. Results Fifty-two (21.2%) of the 245 women included in the analysis were diagnosed with BV at study entry. Women with BV were also more likely to be African American (p < 0.0001) and have lower 25(OH)D concentrations at 22 to 24 weeks' gestation (p = 0.03). There were no differences in pregnancy outcomes of interest within this group compared with the remaining study subjects. In mixed regression modeling, while race (p = 0.001) and age (p = 0.03) were significant predictors of BV prevalence independently, 25(OH)D concentration (p = 0.81), gestational age (p = 0.06), and body mass index (p = 0.87) were not. Conclusion Neither vitamin D deficiency in early pregnancy nor supplementation decreased BV incidence during pregnancy. Pregnancy outcomes (preterm birth and hypertensive disorders of pregnancy) were similar among women with and without BV.

Effect of Severe Vitamin D Deficiency at Admission on Shock Reversal in Children With Septic Shock: A Prospective Observational Study

2017 ◽  
Vol 34 (5) ◽  
pp. 397-403 ◽  
Author(s):  
Jhuma Sankar ◽  
Javed Ismail ◽  
Rashmi Das ◽  
Nishanth Dev ◽  
Anubhuti Chitkara ◽  
...  
Keyword(s):  
Vitamin D ◽  
Septic Shock ◽  
Multivariate Analysis ◽  
Vitamin D Deficiency ◽  
Univariate Analysis ◽  
Pediatric Intensive Care ◽  
Hydroxyvitamin D ◽  
Severe Vitamin ◽  
Severe Deficiency ◽  
Shock Reversal

Objectives: To evaluate the association of severe vitamin D deficiency with clinically important outcomes in children with septic shock. Methods: We enrolled children ≤17 years with septic shock prospectively over a period of 6 months. We estimated 25-hydroxyvitamin D [25 (OH) D] levels at admission and 72 hours. Severe deficiency was defined as serum 25 (OH) <10 ng/mL. We performed univariate and multivariate analysis to evaluate association with clinically important outcomes. Results: Forty-three children were enrolled in the study. The prevalence of severe vitamin D deficiency was 72% and 69% at admission and 72 hours, respectively. On univariate analysis, severe vitamin D deficiency at admission was associated with lower rates of shock reversal, 74% (23) versus 25% (3); relative risk (95% confidence interval [CI]): 2.9 (1.09-8.08), at 24 hours and greater need for fluid boluses (75 vs 59 mL/kg). On multivariate analysis, nonresolution of shock at 24 hours was significantly associated with severe vitamin D deficiency after adjusting for other key baseline and clinical variables, adjusted odds ratio (95% CI): 12 (2.01-87.01); 0.01. Conclusion: The prevalence of severe vitamin D deficiency is high in children with septic shock admitted to pediatric intensive care unit. Severe vitamin D deficiency at admission seems to be associated with lower rates of shock reversal at 24 hours of ICU stay. Our study provides preliminary data for planning interventional studies in children with septic shock and severe vitamin D deficiency.

scholarly journals Circulating 25-hydroxyvitamin D levels in relation to blood pressure parameters and hypertension in the Shanghai Women's and Men's Health Studies

2012 ◽  
Vol 108 (3) ◽  
pp. 449-458 ◽  
Author(s):  
Tsogzolmaa Dorjgochoo ◽  
Xiao Ou Shu ◽  
Yong-Bing Xiang ◽  
Gong Yang ◽  
Qiuyin Cai ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Antihypertensive Drugs ◽  
Urban China ◽  
Inverse Association ◽  
Cross Sectional ◽  
Who Criteria ◽  
Hydroxyvitamin D ◽  
25 Hydroxyvitamin D

Little is known about the association of circulating 25-hydroxyvitamin D (25(OH)D) and blood pressure (BP) parameters, including systolic and diastolic BP, pulse pressure (PP), mean arterial pressure (MAP) and hypertension in non-Western populations that have not yet been exposed to foods fortified with vitamins and seldom use vitamin D supplements. A cross-sectional analysis of plasma 25(OH)D levels in association with BP measures was performed for 1460 participants (1055 women and 405 men, aged 40–74 years) of two large cohort studies in Shanghai. Multivariable linear and logistic regressions were conducted. Overall, the prevalence of vitamin D deficiency was 55·8 % using National Health and Nutrition Examination Survey, USA criteria and 29·9 % using WHO criteria. The median plasma 25(OH)D level in the population was 38·0 nmol/l for men and 33·6 nmol/l for women (P < 0·01) among participants who were not on antihypertensive drugs. Among men, BP parameters (systolic BP, diastolic BP and MAP) were significantly and inversely associated with higher quintiles of 25(OH)D compared with the lowest quintile (Ptrend < 0·05 for all). Vitamin D non-deficient status (WHO criteria) was inversely associated with hypertension (ORadjusted = 0·29; 95 % CI 0·10, 0·82). An inverse association was also found between hypertension and the highest quintile of 25(OH)D (ORadjusted = 0·16; 95 % CI 0·04, 0·65 for ≥ 50·6 nmol/l; Ptrend = 0·02). Among women, no significant associations were found for BP parameters and hypertension. The present study shows that vitamin D deficiency is common among adults in urban China. Circulating 25(OH)D levels were inversely related to the levels of individual BP parameters and hypertension among middle-aged and elderly men but not among women. More research is needed to investigate the potential sex differential associations.

scholarly journals Effects of vitamin D supplementation on 25(OH)D levels and blood pressure in the elderly: a systematic review and meta-analysis

F1000Research ◽  
2020 ◽  
Vol 9 ◽  
pp. 633
Author(s):  
Farapti Farapti ◽  
Chusnul Fadilla ◽  
Niwanda Yogiswara ◽  
Merryana Adriani
Keyword(s):  
Blood Pressure ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Meta Analysis ◽  
The Elderly ◽  
Vitamin D Supplementation ◽  
Control Groups ◽  
Elderly Age ◽  
Hydroxyvitamin D ◽  
And Control

Background: Hypertension and vitamin D deficiency are prevalent among the elderly. This study evaluated the effects of vitamin D supplementation on changes in serum 25-hydroxyvitamin D (25(OH)D) levels and blood pressure (BP) in the elderly (age > 60 years). Methods: Randomized controlled trials from electronic databases on the elderly taking oral vitamin D, until the end of March 2019, were selected. Two reviewers independently screened the literature on the basis of specific inclusion criteria. The primary outcomes were serum 25(OH)D level, systolic BP (SBP), and diastolic BP (DBP) changes. Results: Our analysis revealed significant differences in serum 25(OH)D level changes between the vitamin D and control groups (mean difference [MD] = 13.84; 95% confidence interval [CI] = 10.21–17.47; P < 0.000). There were no significant differences in SBP and DBP changes between the vitamin D and control groups. Subgroup analysis revealed significant differences in SBP changes between the hypertensive and vitamin D-deficient subgroups (MD = –4.01; 95% CI = –7.45 to –0.57; P = 0.02 and MD = –1.91; 95% CI = –3.48 to –0.34; P = 0.02, respectively), and DBP changes only in the hypertensive subgroup (MD = –2.22; 95% CI = –4.1 to –0.34; P = 0.02). Conclusions: Vitamin D supplementation significantly increases 25(OH)D levels and seems beneficial in lowering BP, specifically in the elderly with elevated BP and vitamin D deficiency.

scholarly journals High prevalence of vitamin D deficiency among normotensive and hypertensive pregnant women in Ghana

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Linda Ahenkorah Fondjo ◽  
Worlanyo Tashie ◽  
William K. B. A. Owiredu ◽  
Enoch Appiah Adu-Gyamfi ◽  
Laila Seidu
Keyword(s):  
Vitamin D ◽  
Birth Weight ◽  
Low Birth Weight ◽  
Pregnant Women ◽  
Vitamin D Deficiency ◽  
Hypovitaminosis D ◽  
Sub Saharan Africa ◽  
Hydroxyvitamin D ◽  
25 Hydroxyvitamin D ◽  
In Pregnancy

Abstract Background Hypovitaminosis D in pregnancy is associated with adverse health outcomes in mothers, newborns and infants. This study assessed the levels of 25-hydroxyvitamin D [25(OH)D] in normotensive pregnancies and in preeclampsia, evaluated the association between vitamin D deficiency and preeclampsia risk; and determined the foeto-maternal outcome in preeclamptic women with vitamin D deficiency. Methods This case-control study was conducted among pregnant women who visited the Comboni Hospital, in Ghana from January 2017 to May 2018 for antenatal care. A total of 180 pregnant women comprising 88 preeclamptic women (PE) and 92 healthy normotensive pregnant women (NP) were recruited. Socio-demographic, clinical and obstetric data were obtained using validated questionnaires. Blood pressure and anthropometrics were measured, and blood samples were collected for the estimation of 25- hydroxyvitamin D [25(OH)D] using enzyme-linked immunosorbent assay technique. Lipids (total cholesterol, triglycerides, HDL-cholesterol and LDL-cholesterol) were also estimated. Results A total of 81.7% of the study participants had vitamin D deficiency. Of these, 88.6% of the women with PE had vitamin D deficiency compared to 75.0% in the NP. Vitamin D levels were significantly reduced in the PE women compared to the normotensive pregnant women (p = 0.001). A higher proportion of the preeclamptic women who were vitamin D deficient had preterm delivery (p < 0:0001) and delivered low birth weight infants (p < 0:0001), and infants with IUGR (p < 0:0001) compared to the control group (p < 0:0001). Pregnant women with PE presented with significant dyslipidemia, evidenced by significantly elevated TC (p = 0.008), LDL (p < 0.0001), triglycerides (p = 0.017) and a significantly reduced HDL (p = 0.001) as compared to NP. In the preeclamptic women, serum 25(OH) D showed an inverse, but not significant association with TC (β = − 0.043, p = 0.722, TG (β = − 0.144, p = 0.210) and LDL (β = − 0.076, p = 0.524) and a positive, but not significant association with HDL (β = 0.171, p = 0.156). Conclusion The prevalence of vitamin D deficiency is high in both normotensive pregnancies and pregnancies complicated by preeclampsia but amplified in preeclampsia. Higher proportion of pregnant women with hypovitaminosis D had preterm babies and delivered low birth weight neonates. Additional studies are needed to explore the potential benefits and optimal dosing of vitamin D use in pregnancy, especially in sub-Saharan Africa.

scholarly journals Vitamin D status and its correlation with blood pressure in premenopausal Saudi women: a cross-sectional study.

2016 ◽  
Vol 9 (1) ◽  
Author(s):  
Sarah Al Mazeedi ◽  
Hanan Al Kadi ◽  
Mohammed Ardawi
Keyword(s):  
Blood Pressure ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Negative Correlation ◽  
Study Group ◽  
Saudi Population ◽  
Vitamin D Status ◽  
Major Health Problem ◽  
Vitamin D Levels ◽  
Blood Pressures

Vitamin D deficiency is a major health problem in the Saudi population. A negative association between blood pressure and vitamin D level has been suggested in several clinical and epidemiological studies and evidence for an effect of vitamin D in lowering blood pressure was reported. These findings indicate that 1,25(OH)2D3 deficiency may play a role in the pathogenesis of hypertension through its effect on the renin-angiotensin system. We are the first to investigate the correlation between blood pressure or renin concentration and vitamin D status in the Saudi population METHODS: we included 201 healthy Saudi premenopausal females (20-45 years old). Blood pressure was measured by a standardized method using an automated blood pressure monitor (BPTru). Fasting blood samples were collected from each participant after 20 minutes of rest in the seated position. Serum cholicalciferol, PTH and renin concentration were measured by sandwich chemiluminescence immunoassaymethod (DiaSorin, Italy). RESULTS: The analysis included 192 subjects who were normotensive (blood pressure <140/90 mmHg).  A total of  34% of women had a severe deficiency (vitamin D ≤ 12.5 nmol/L); 41% had moderate deficiency (vitamin D levels between 12.5 - 25 nmol/L);  23% had mild deficiency (vitamin D level ≥ 25 - < 50 nmol/L); and 2% had insufficiency (vitamin D level  ≥ 50 - ≤ 75 nmol/L). None had a sufficient level of ≥75 nmol/L.  The systolic blood pressure ranged from 79-130.5mmHg and the diastolic from 48.5-85.5 mmHg.  Both systolic and diastolic blood pressures were significantly higher in women that were in the lower 2 quartiles of vitamin D.  However, linear regression analysis adjusting for potential confounders showed that 25(OH)D level was not a predictor of either systolic or diastolic blood pressures.  A negative correlation (although not significant) was found between vitamin D level and plasma renin concentration in this study group. CONCLUSION: Vitamin D deficiency was highly prevalent among the study group. Vitamin D was a not a predictor of either systolic or diastolic blood pressure.  There was a negative correlation between vitamin D level and renin concentration although not statically significant. It is possible that any underlying relationship was obscured by the relatively young age group or due to the narrow blood pressure range of the studied population. A larger sample size including hypertensive subjects may be needed.

Serum 25-hydroxyvitamin D is associated with renal fi brosis (experimental study)

2019 ◽  
Vol 23 (6) ◽  
pp. 100-107
Author(s):  
E. O. Bogdanova ◽  
G. T. Ivanova ◽  
O. V. Galkina ◽  
I. M. Zubina ◽  
O. N. Beresneva ◽  
...  
Keyword(s):  
Blood Pressure ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Renal Fibrosis ◽  
Spontaneously Hypertensive Rats ◽  
Hypertensive Rats ◽  
Spontaneously Hypertensive ◽  
Hydroxyvitamin D ◽  
Period 2

INTRODUCTION. Vitamin D deficiency is commonly observed in patients with chronic kidney disease (CKD) due to decreased biosynthesis of 1,25(OH)2D3 in damaged renal tubules and increased catabolism of 1,25(OH)2D3 and 25OHD3. There is a growing evidence that vitamin D deficiency may contribute to impaired kidney function. Interventional studies have shown that vitamin D and its analogs attenuate the progression of renal fibrosis in experiment, and reduce proteinuria in patients with CKD. The renoprotective effects of vitamin D go far beyond its classical role in maintaining bone and mineral metabolism, which is a result of its pleiotropic action. THE AIM: to investigate the association between 25OH-hydroxyvitamin D (25OHD) level and renal fibrosis in spontaneously hypertensive rats (SHR) with early stages of experimental CKD.MATERIAL AND METHODS. Systolic blood pressure (BP), proteinuria, albuminuria, creatinine (Cr), urea (Ur), inorganic phosphate (Pi), 25OHD in serum were measured in nephrectomized (NE) and sham operated (SO) spontaneously hypertensive rats SHR (follow-up period 2, 4 and 6 months) and SO Wistar Kyoto rats (follow-up period 2 months), morphological light-optical study of kidney tissue was performed.RESULTS. The experimental model corresponded to the initial stages of CKD (Ur: 6.64 – 13.36 mmol/L). A significant increase in the area of renal fibrosis in animals with NE correlated with an increase in blood pressure (r = 0.51, p <0.001), serum Cr (r = 0.76, p <0.001), and albuminuria (r = 0.64, p <0.001) and proteinuria (r = 0.78, p <0.001) and a decrease in the concentration of 25OHD in serum (r = -0.67, p <0.001). In multiple regression analyzes, a reliable association of fibrosis with 25OHD was maintained (β = -0.28, p = 0.012). In addition, in ROC-analysis the largest value of the area under the curve was obtained for 25OHD (AUC = 0.95) to detect interstitial fibrosis more than 10 %.CONCLUSION. 25OHD depression at the initial stages of experimental CKD and hypertension is independently associated with the development of renal fibrosis.

scholarly journals Vitamin D deficiency in elderly people in Swedish nursing homes is associated with increased mortality

2014 ◽  
Vol 170 (5) ◽  
pp. 667-675 ◽  
Author(s):  
Maria Samefors ◽  
Carl Johan Östgren ◽  
Sigvard Mölstad ◽  
Christina Lannering ◽  
Patrik Midlöv ◽  
...  
Keyword(s):  
Vitamin D ◽  
Nursing Homes ◽  
Vitamin D Deficiency ◽  
Elderly People ◽  
The Elderly ◽  
Vitamin D Supplementation ◽  
Hydroxyvitamin D ◽  
Northern Latitudes ◽  
Hazard Ratios ◽  
Vitamin D Levels

ObjectiveInstitutionalised elderly people at northern latitudes may be at elevated risk for vitamin D deficiency. In addition to osteoporosis-related disorders, vitamin D deficiency may influence several medical conditions conferring an increased mortality risk. The aim of this study was to explore the prevalence of vitamin D deficiency and its association with mortality.DesignThe Study of Health and Drugs in the Elderly (SHADES) is a prospective cohort study among elderly people (>65 years) in 11 nursing homes in Sweden.MethodsWe analysed the levels of 25-hydroxyvitamin D3(25(OH)D3) at baseline. Vital status of the subjects was ascertained and hazard ratios (HRs) for mortality according to 25(OH)D3quartiles were calculated.ResultsWe examined 333 study participants with a mean follow-up of 3 years. A total of 147 (44%) patients died within this period. Compared with the subjects in Q4 (25(OH)D3>48 nmol/l), HR (with 95% CI) for mortality was 2.02 (1.31–3.12) in Q1 (25(OH)D3<29 nmol/l) (P<0.05); 2.03 (1.32–3.14) in Q2 (25(OH)D330–37 nmol/l) (P<0.05) and 1.6 (1.03–2.48) in Q3 (25(OH)D338–47 nmol/l) (P<0.05). The mean 25(OH)D3concentration was 40.2 nmol/l (s.d. 16.0) and 80% had 25(OH)D3below 50 nmol/l. The vitamin D levels decreased from baseline to the second and third measurements.ConclusionsVitamin D deficiency was highly prevalent and associated with increased mortality among the elderly in Swedish nursing homes. Strategies are needed to prevent, and maybe treat, vitamin D deficiency in the elderly in nursing homes and the benefit of vitamin D supplementation should be evaluated in randomised clinical trials.

scholarly journals The combined presence of hypertension and vitamin D deficiency increased the probability of the occurrence of small vessel disease in China

2019 ◽  
Author(s):  
Junzeng Si ◽  
kuibao li ◽  
peiyan shan ◽  
Junliang Yuan
Keyword(s):  
Blood Pressure ◽  
Vitamin D ◽  
Vitamin D Deficiency ◽  
Small Vessel Disease ◽  
Vitamin D Supplementation ◽  
Small Vessel ◽  
Stroke Patients ◽  
Hydroxyvitamin D ◽  
Vessel Disease ◽  
25 Hydroxyvitamin D

Abstract Background: The exact relationship between 25-hydroxyvitamin D [25(OH) D] levels and small vessel disease (SVD) are not clear in China. The aim of this study was to determine the association between 25(OH) D and SVD in China. Methods: We enrolled consecutive 106 patients with SVD and 115 controls in Beijing Chaoyang Hospital and Jinan City people’s hospital between Jan 2017 and Dec 2017. Vitamin D status was estimated by measuring serum 25-hydroxyvitamin D [25(OH) D]. The subjects were categorized into three subgroups: vitamin D deficiency (≤12ng/ml), insufficiency (12-20ng/ml) and sufficiency (≥20 ng/ml). Results: Among 106 stroke patients, 80 (75.5%) were men and mean age was 61.6±13.2 years. 25(OH) D deficiency was observed in 76 (71.7%) stroke patients and 47 (40.9%) controls (P=0.001). Comparing with controls, patients with SVD were correlated with higher proportion of male, the histories of stroke, smoking and hyperlipidemia; higher systolic blood pressure, diastolic blood pressure and low density lipoprotein; lower of 25(OH)D level. The logistic regression analysis showed the level of 25(OH)D was independently predicted the occurrence of SVD (OR 0.772, CI 0.691-0.862, P=0.001). Compared with those in sufficiency group (≥20ng/ml), the ORs of SVD in the deficiency (≤12ng/ml) and insufficiency group (12–20 ng/ml) of 25(OH)D were 5.609 [95% confidence interval (CI) 2.006-15.683] and 1.077 (95% CI: 0.338-3.428) after adjusting for potential confounders, respectively. We also found a significant effect modification of SVD risk by 25(OH)D status and hypertension interaction (P=0.001), and compared with those with sufficiency 25(OH)D levels, in hypertensives with vitamin D deficiency (≤12ng/ml) and insufficiency (12-20 ng/ml), the ORs were increased to 9.738 (2.398-39.540) and 1.108 (0.232-5.280), respectively (Pinteraction=0.001). Conclusion: Our findings showed patients with SVD were correlated with the deficiency of 25(OH)D. The combined presence of hypertension and vitamin D deficiency increased the probability of developing SVD. Our study raises the importance that vitamin D supplementation combined with monitoring hypertension are promising approaches in the management of SVD.

scholarly journals Level of 25-Hydroxyvitamin D in Pediatric Arthritis Patients

2019 ◽  
Vol 73 (5) ◽  
pp. 425-432
Author(s):  
Marta Laizāne ◽  
Ieva Saulīte ◽  
Sandra Feierābende ◽  
Ingrīda Rumba-Rozenfelde
Keyword(s):  
Vitamin D ◽  
Juvenile Idiopathic Arthritis ◽  
Serum Concentration ◽  
Disease Activity ◽  
Vitamin D Deficiency ◽  
Negative Correlation ◽  
Reactive Arthritis ◽  
Hydroxyvitamin D ◽  
25 Hydroxyvitamin D ◽  
Moderate Negative Correlation

Abstract Vitamin D deficiency is common and widespread globally. Vitamin D has an immunomodulatory effect, but it is still unclear whether its deficiency is associated with higher disease activity. The aim of this retrospective study was to determine the serum concentration of vitamin D in children with paediatric arthritis (juvenile idiopathic arthritis and reactive arthritis). Prevalence of hypo-vitaminosis D among 98 children with juvenile idiopathic arthritis and reactive arthritis was determined and association between serum concentration of vitamin D and disease activity markers was found. Prevalence of vitamin D deficiency among children included in this study was 69.07%. Children with juvenile idiopathic arthritis had a significantly lower vitamin D level than children with reactive arthritis. There was a statistically significant moderate negative correlation between serum concentration of vitamin D and patient age, as well as a weak negative correlation between vitamin D level and patient body mass index. The significant correlations found between vitamin D level and inflammatory markers indicate that further research on the role of vitamin D in disease activity is needed.

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