Ultrasound-guided puncture performed by nursing staff as a strategy for the temporary preservation of a brachio-basilic arteriovenous fistula with circumferential mural thrombosis in a patient undergoing high-volume online hemodiafiltration: A case report. Revista de la Sociedad Ecuatoriana de Nefrología, Diálisis y Trasplante, [S. l.], v. 14, n. 3S, p. 71–72, 2026. DOI: 10.56867/. Disponível em: http://signin.immowelt.de.rev-sen.ec/index.php/revista/article/view/202. Acesso em: 27 jul. 2026.