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Higher Concentrations of Vitamin D in Canadian Children with Juvenile Idiopathic Arthritis Compared to Healthy Controls are Associated with More Frequent Use of Vitamin D Supplements and Season of Birth.
Nutrition Research ( IF 4.5 ) Pub Date : 2021-06-13 , DOI: 10.1016/j.nutres.2021.05.007
Sarah L Finch 1 , Alan M Rosenberg 2 , Anthony J Kusalik 2 , Farhad Maleki 2 , Elham Rezaei 2 , Adam Baxter-Jones 2 , Susanne Benseler 3 , Gilles Boire 4 , David Cabral 5 , Sarah Campillo 6 , Gaëlle Chédeville 6 , Anne-Laure Chetaille 7 , Paul Dancey 8 , Ciaran Duffy 9 , Karen Watanabe Duffy 9 , Jaime Guzman 5 , Kristin Houghton 5 , Adam M Huber 10 , Roman Jurencak 9 , Bianca Lang 10 , Ron M Laxer 11 , Kimberly Morishita 5 , Kiem G Oen 12 , Ross E Petty 5 , Suzanne E Ramsey 10 , Johannes Roth 9 , Rayfel Schneider 11 , Rosie Scuccimarri 6 , Elizabeth Stringer 10 , Shirley M L Tse 11 , Lori B Tucker 5 , Stuart E Turvey 5 , Michael Szafron 2 , Susan Whiting 2 , Rae Sm Yeung 11 , Hassan Vatanparast 2 ,
Affiliation  

A number of studies have demonstrated that patients with autoimmune disease have lower levels of vitamin D prompting speculation that vitamin D might suppress inflammation and immune responses in children with Juvenile Idiopathic Arthritis (JIA). The objective of this study was to compare vitamin D levels in children with JIA at disease onset with healthy children. We hypothesized that children and adolescents with JIA have lower vitamin D levels than healthy children and adolescents. Data from a Canadian cohort of children with new-onset JIA (n= 164, data collection 2007-2012) were compared to Canadian Health Measures Survey (CHMS) data (n=4027, data collection 2007-2011). We compared 25-hydroxy vitamin D (25(OH)D) concentrations with measures of inflammation, vitamin D supplement use, milk intake, and season of birth. Mean 25(OH)D level was significantly higher in patients with JIA (79 ± 3.1 nmol/L) than in healthy controls (68 ± 1.8 nmol/L p <0.05). Patients with JIA more often used vitamin D containing supplements (50% vs. 7%; p <0.05). The prevalence of 25(OH)D deficiency (<30 nmol/L) was 6% for both groups. Children with JIA with 25(OH)D deficiency or insufficiency (<50 nmol/L) had higher C-reactive protein levels. Children with JIA were more often born in the fall and winter compared to healthy children. In contrast to earlier studies we found vitamin D levels in Canadian children with JIA were higher compared to healthy children and associated with more frequent use of vitamin D supplements.

Among children with JIA, low vitamin D levels were associated with indicators of greater inflammation.



中文翻译:

与健康对照组相比,患有幼年特发性关节炎的加拿大儿童的维生素 D 浓度更高,这与更频繁地使用维生素 D 补充剂和出生季节有关。

许多研究表明,自身免疫性疾病患者的维生素 D 水平较低,这促使人们推测维生素 D 可能会抑制幼年特发性关节炎 (JIA) 儿童的炎症和免疫反应。本研究的目的是比较 JIA 儿童与健康儿童发病时的维生素 D 水平。我们假设患有 JIA 的儿童和青少年的维生素 D 水平低于健康儿童和青少年。将加拿大新发 JIA 儿童队列(n=164,2007-2012 年数据收集)的数据与加拿大健康措施调查 (CHMS) 数据(n=4027,2007-2011 年数据收集)进行了比较。我们将 25-羟基维生素 D (25(OH)D) 浓度与炎症、维生素 D 补充剂使用、牛奶摄入量和出生季节的措施进行了比较。JIA 患者的平均 25(OH)D 水平 (79 ± 3.1 nmol/L) 显着高于健康对照组 (68 ± 1.8 nmol/L p <0.05)。JIA 患者更常使用含有维生素 D 的补充剂(50% 对 7%;p <0.05)。两组的 25(OH)D 缺乏症 (<30 nmol/L) 的患病率均为 6%。患有 25(OH)D 缺乏或不足 (<50 nmol/L) 的 JIA 儿童的 C 反应蛋白水平较高。与健康儿童相比,患有 JIA 的儿童更常在秋季和冬季出生。与早期的研究相比,我们发现加拿大 JIA 儿童的维生素 D 水平高于健康儿童,并且与更频繁地使用维生素 D 补充剂有关。JIA 患者更常使用含有维生素 D 的补充剂(50% 对 7%;p <0.05)。两组的 25(OH)D 缺乏症 (<30 nmol/L) 的患病率均为 6%。患有 25(OH)D 缺乏或不足 (<50 nmol/L) 的 JIA 儿童的 C 反应蛋白水平较高。与健康儿童相比,患有 JIA 的儿童更常在秋季和冬季出生。与早期的研究相比,我们发现加拿大 JIA 儿童的维生素 D 水平高于健康儿童,并且与更频繁地使用维生素 D 补充剂有关。JIA 患者更常使用含有维生素 D 的补充剂(50% 对 7%;p <0.05)。两组的 25(OH)D 缺乏症 (<30 nmol/L) 的患病率均为 6%。患有 25(OH)D 缺乏或不足 (<50 nmol/L) 的 JIA 儿童的 C 反应蛋白水平较高。与健康儿童相比,患有 JIA 的儿童更常在秋季和冬季出生。与早期的研究相比,我们发现加拿大 JIA 儿童的维生素 D 水平高于健康儿童,并且与更频繁地使用维生素 D 补充剂有关。与健康儿童相比,患有 JIA 的儿童更常在秋季和冬季出生。与早期的研究相比,我们发现加拿大 JIA 儿童的维生素 D 水平高于健康儿童,并且与更频繁地使用维生素 D 补充剂有关。与健康儿童相比,患有 JIA 的儿童更常在秋季和冬季出生。与早期的研究相比,我们发现加拿大 JIA 儿童的维生素 D 水平高于健康儿童,并且与更频繁地使用维生素 D 补充剂有关。

在患有 JIA 的儿童中,低维生素 D 水平与更严重的炎症指标有关。

更新日期:2021-06-14
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