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. REV SEN [Internet]. 2026 Jul. 27 [cited 2026 Jul. 27];14(3S):71-2. Available from: http://signin.immowelt.de.rev-sen.ec/index.php/revista/article/view/202