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. 2017:2017:5241012.
doi: 10.1155/2017/5241012. Epub 2017 Oct 22.

Vitamin D Status, Disease Activity, and Endothelial Dysfunction in Early Rheumatoid Arthritis Patients

Alexandru Caraba  1 , Viorica Crişan  2 , Ioan Romoşan  3 , Ioana Mozoş  4 , Marius Murariu  5
Affiliations

Vitamin D Status, Disease Activity, and Endothelial Dysfunction in Early Rheumatoid Arthritis Patients

Alexandru Caraba et al. Dis Markers. 2017.

Abstract

Cardiovascular diseases represent important complications in rheumatoid arthritis (RA) patients, generated by an accelerated atherosclerosis. The aim of this study is represented by the assessment of the correlations between serum levels of vitamin D, disease activity, and endothelial dysfunction in patients with early RA. Material and Methods. The study was performed on a group of 35 patients with early RA and 35 healthy subjects matched for age and gender, as controls. In all studied subjects, the following were determined: inflammatory markers, insulin resistance, vitamin D levels, and endothelial dysfunction. Statistical analysis were performed using the Student's t-test and the Pearson's test. p values of less than 0.05 were considered statistically significant. Results. The group of patients with RA patients presented inflammation, low levels of vitamin D, elevated insulin resistance, and reduced flow-mediated vasodilation, statistically significant compared to the control group (p < 0.00001). Significant inverse correlations between the levels of 25(OH) vitamin D and DAS28, respective insulin resistance, and significant positive correlation between 25(OH) vitamin D and endothelial function were demonstrated. Conclusion. In early RA patients with moderate and high disease activity, low serum levels of vitamin D were associated with disease activity, increased insulin resistance, and endothelial dysfunction.

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Figures

Figure 1
Figure 1
Correlation between 25(OH)D and DAS28.
Figure 2
Figure 2
Correlation between 25(OH)D and HOMA-IR.
Figure 3
Figure 3
Correlation between 25(OH)D and FMD%.
See this image and copyright information in PMC

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