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Coelho,Simone C. S.; Ramos,Andressa D.; Pinheiro,Virgínia S.; Solberg,Paulo F. C.; Faria,Janaina P. de; Naliato,Erika C. O.; Fernandes,Therezinha J.; Guimarães,Marília M. (2007)
Publisher: Sociedade Brasileira de Angiologia e de Cirurgia Vascular (SBACV)
Languages: English
Types: Article
Subjects: Turner syndrome, nailfold capillaroscopy, endothelium
BACKGROUND: An increased prevalence of impaired glucose homeostasis is reported in Turner syndrome. Endothelial changes are described in patients with insulin resistance, which may be present in patients with Turner syndrome. Video capillaroscopy is a noninvasive examination that allows assessment of vascular patency. OBJECTIVE: To describe the nailfold morphology of capillaries in Turner syndrome using video capillaroscopy. METHODS: Subjects were studied in a temperature-controlled room, 20 days after no nailfold manipulations. The capillaries were visualized by microscope connected to a television and computer and were studied and classified according to these patterns: loop distribution, papilla, avascular fields, edema, form, capillary limbs, flow and hemorrhagic extravasation. RESULTS: Fifty patients aged between 6-37 years with Turner syndrome were studied. Eighteen (36%) patients had normal capillaroscopy with hairpin pattern in loop distribution and no avascular fields. The papilla was ratified in 13 (26%) and enlarged in four (8%). Edema occurred in 22 (44%) cases. There were three (6%) macrocapillaries and three (6%) were branched. Tortuosity was present in five (10%) patients. Hemorrhagic extravasation occurred in one (2%) case. Flow was fast in seven (14%), granulous in five (10%) and slow in six (12%). CONCLUSION: There was a high prevalence of nailfold capillaroscopy changes in Turner syndrome and the most prevalent alterations found were edema and ratified papilla.
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