Úlceras de quirodáctilos e dorso de mão esquerda ocasionadas por hipertensão venosa após confecção de fístula arteriovenosa braquiocefálica: relato de caso
Ulcers of the fingers and dorsum of the left hand caused by venous hypertension after construction of a brachiocephalic arteriovenous fistula: case report
Aline Ioshie Akamine Asari; Daiane Cristina Ferreira Damasceno; Nathália Araújo de Almeida; Hícaro do Carmo Moreira; Ricardo André Viana Barros; Francisco Alberto Bezerra Ximenes Filho
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Abstract
Abstract: Venous ulcers caused by venous hypertension secondary to arteriovenous fistulae are rare. Their etiology can be confirmed by vascular Doppler ultrasonography, which can differentiate between stenosis of central vessels and hemodynamic overload caused by development of tributaries from the vein responsible for the arteriovenous fistula. We present a case caused by hemodynamic overload of a tributary, which diverted the primary flow from the fistula to the distal limb. We chose to ligate the fistula to treat the ulcers and create another arteriovenous fistula in the contralateral limb.
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References
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