We describe a 9-year-old boy with acute liver failure of unknown etiology, unresponsive to standard medical therapy, with increasing hyperammonemia blood level, lactate elevation, a pediatric end liver stage of 20, a hepatic encephalopathy (HE) score of 2, and scheduled for emergent liver transplantation on the waiting list. We admitted him in the pediatric intensive care unit and managed him in the early stages with continuous renal replacement therapy and therapeutic plasma exchange as soon as neurologic impairment started to worsen. He recovered from his HE after 3 days of blood purification and was removed from the transplantation waiting list due to progressive liver function improvement.
Keywords: Acute liver failure; Continuous renal replacement therapy; Liver transplantation; Pediatric; Therapeutic plasma exchange.
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