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Takayasu arteritis (TA) is a large vessel vasculitis characterized by the involvement of the aorta and its branches. In the present study, the nailfold videocapillaroscopy (NVC) findings of the TA patients were evaluated and compared to healthy individuals. Additionally, the association of NVC abnormalities with disease activity and subclavian artery involvement was also investigated.

In the present study, NVC changes of 15 TA patients and 15 age- and sex-matched healthy controls were compared. The frequency of hypertension, dyslipidemia, and smoking status was not different between the case and control group. Capillary density, avascular area, tortuosity, micro-hemorrhages, and ramification were investigated. Among capillaries' diameters; capillary length and width, arterial and venous limbs diameters were also compared between two groups.

The capillary length and venous limb …