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. (2026). Revista De La Sociedad Ecuatoriana De Nefrología, Diálisis Y Trasplante, 14(3S), 71-72. https://doi.org/10.56867/