Capillaroscopic findings in Turkish Takayasu arteritis patients
Şentürk, Esra Fırat
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Abstract Background/aim: Abnormal capillaroscopic findings have been reported in vasculitic syndromes such as Behçet’s disease, Henoch–Schönlein purpura, and Wegener’s granulomatosis. This study was conducted to define the capillaroscopic changes in patients with Takayasu arteritis (TA). Materials and methods: We studied 28 TA patients (27 females). The nail folds from the 2nd to 5th fingers on both hands were examined with video capillaroscopy for all. A patient was defined as having an abnormal capillaroscopic examination if more than 1 morphologic abnormality was present in at least 2 nail folds. Results: The median capillary density of TA patients was 9 (range: 9–11). There were no patients with capillary disorganization or avascular areas. Tortuous capillaries were detected in all patients. The other common morphological capillary abnormalities included enlarged/dilated capillaries (39.3%), branching capillaries (35.7%), and hemorrhages (32.1%). Only 1 patient had giant capillaries with early scleroderma-like pattern. Overall, there were 11 (39.3%) patients with abnormal capillaroscopic findings. There were more patients with abnormal capillaroscopic findings in the subgroup of TA patients whose upper extremity blood pressure could not be measured as compared to those whose blood pressure could be measured (66.7% vs. 26.3% patients; P = 0.04). Conclusion: Capillaroscopic abnormalities are frequently seen in TA patients. We consider that abnormal capillaroscopic findings in TA patients reflect the impaired blood flow due to narrowed or occluded arteries rather than the primary capillary involvement of the disease process.
xmlui.dri2xhtml.METS-1.0.item-citationAkdoğan A, Erden A, Fırat Şentürk E, Kılıç L, Sarı A, Armağan B, Karadağ Ö, Kiraz S. Capillaroscopic findings in Turkish Takayasu arteritis patients. Turk J Med Sci. 2019 Oct 24;49(5):1303-1307. doi: 10.3906/sag-1812-223. PMID: 31648432; PMCID: PMC7018322.
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