Association between Vitamin D Deficiency and Carotid Intima-media Thickness in Patients with Rheumatoid Arthritis.
10.4078/jrd.2014.21.3.132
- Author:
Jong Man PARK
1
;
Seung Geun LEE
;
Eun Kyoung PARK
;
Dae Sung LEE
;
Sung Min BAEK
;
Kyung Lim HWANG
;
Joong Keun KIM
;
Ji Heh PARK
;
Geun Tae KIM
;
Seon Yoon CHOI
Author Information
1. Department of Internal Medicine, Pusan National University School of Medicine, Pusan National University Hospital, Busan, Korea. sglee@pnuh.co.kr
- Publication Type:Original Article
- Keywords:
Vitamin D;
Rheumatoid arthritis;
Atherosclerosis;
Cardiovascular diseases
- MeSH:
Arthritis, Rheumatoid*;
Atherosclerosis;
Busan;
Cardiovascular Diseases;
Carotid Intima-Media Thickness*;
Cross-Sectional Studies;
Female;
Humans;
Linear Models;
Radioimmunoassay;
Risk Factors;
Ultrasonography;
Vitamin D;
Vitamin D Deficiency*;
Surveys and Questionnaires
- From:Journal of Rheumatic Diseases
2014;21(3):132-139
- CountryRepublic of Korea
- Language:English
-
Abstract:
OBJECTIVE: The present study determined if vitamin D deficiency is a potential risk factor for increased carotid intima-media thickness (CIMT) in patients with rheumatoid arthritis (RA). METHODS: This cross-sectional study analyzed 50 consecutive female RA patients without cardiovascular disease history at the Pusan National University Hospital between September and December of 2013. CIMT was measured using a high-resolution ultrasonography. Serum 25-hydroxy vitamin D (25-OHD) levels were assessed by radioimmunoassay, and vitamin D deficiency was defined as serum 25-OHD levels <20 ng/mL. Stepwise multivariable linear regression analyses were performed to evaluate the association between vitamin D deficiency and increased CIMT. RESULTS: The median 25-OHD level (inter-quartile range) was 14.0 (11.0~20.7) ng/mL, and 74% of patients had vitamin D deficiency. The mean+/-standard deviation of CIMT was 0.58+/-0.08 mm. RA patients with vitamin D deficiency had significantly higher CIMT than those without this feature (0.59+/-0.07 vs 0.54+/-0.05, p=0.028). In univariable linear regression models, vitamin D deficiency (beta(SE)=0.047 (0.021), p=0.028), older age (beta(SE)=0.003 (7.2(-4)), p<0.001) and higher disease activity score 28-erythrocyte sedimentation rate (beta(SE)=0.021 (0.010), p=0.034) and Korean version of health assessment questionnaire score (beta(SE)=0.051 (0.015), p=0.002) were significantly associated with increased CIMT. Vitamin D deficiency remained statistically significant in multivariable regression models after adjusting for confounders. CONCLUSION: Vitamin D deficiency was associated with increased CIMT in female RA patients. Our finding suggests that hypovitaminosis D can be a risk factor for atherosclerosis in RA patients.