In May 1989, the dialysis unit was established within the Nephrology Division of the Neurology Department, equipped with 1 AK-10 dialysis machine and staffed by 3 medical professionals. By 1989, the Blood Purification Department became independent from the Neurology Department. From 1986 to 2004, the department routinely performed acetate dialysis, transitioning to bicarbonate hemodialysis, hemodiafiltration, hemoperfusion, and high-low sodium sequential dialysis. It also introduced modified bedside hemofiltratio…