Evaluation of arterial wall endothelial function and stiffness in patients with rheumatoid arthritis

The article presents the results of researching the arterial wall endothelial function and stiffness parameters in 44 patients with various duration of IgM RF-seropositive rheumatoid arthritis (RA). The research of the endothelial function and arterial stiffness included the pulse wave contour analysis and reactive hyperemia test carried out with the use of “Angioscan-01” device (“Angioscan-Electronics” LLC, Russia). The pulse wave contour analysis in patients with RA determined the presence of “A”- and “B”-type curves; augmentation (Alp), reflection (RI) and stiffness (SI) indices were significantly higher in patients with RA compared to the controls, more prominent changes of the researched parameters were determined in patients with the disease duration exceeding 2 years. When analyzing the parameters of reactive hyperemia test in patients with RA, a significant decrease in the occlusion index and the value of phase shift between channels was determined; such changes advanced along with the increase in the disease duration. Direct correlation relationships were determined between Аpl and SI indices and RA duration; inverse correlation relationships were determined between the occlusion index by amplitude and Apl, SI, RI indices in patients with the RA duration exceeding 2 years.

контурный анализ пульсовой волны, проба с реактивной гиперемией, ревматоидный артрит, жесткость артериального русла, эндотелиальная функция, pulse wave contour analysis, reactive hyperemia test, rheumatoid arthritis, arterial vasculature stiffness, endothelial function

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