A 40 year old was admitted to hospital with his first presentation of alcoholic liver disease with symptoms of jaundice (bilirubin 248), poor mobility, hallucinations and passing of black stool. On admission to hospital, he was lethargic with features of Grade II encephalopathy, was coagulopathic (INR 3.1), had deranged electrolytes (sodium 114, potassium 2.9), but a normal creatinine (54) and a raised white cell count (15.9). He was haemodynamically stable and had a haemoglobin of 119g/L with no signs of active bleeding. His abdomen was distended (ascites), he was visibly jaundiced and had spider naevi on his chest. An abdominal ultrasound was performed that showed liver cirrhosis, borderline splenomegaly, small volume ascites and normal kidneys. A full liver screen revealed no infective cause and his AST:ALT ratio suggested alcoholic liver disease. His prognostic indicator scores were all suggestive of severe alcoholic liver hepatitis (Maddrey score: 131; Childs: C; Lille Score: 1; GAHS: 10; MELD: 29). His serum ammonia level was 170. He was commenced on terlipressin, prednisolone and pentoxyphylline and thiamine. Despite this, his encephalopathy progressed to grade 4 and he required intubation and ventilation for airway protection and a presumed aspiration pneumonia. His liver function and coagulopathy continued to worsen, and he developed an acute kidney injury necessitating commencement of renal replacement therapy. He required noradrenaline to support his blood pressure. Ascitic tap ruled out spontaneous bacterial peritonitis. He was discussed with regional liver centres, but was not felt to be a transplant candidate. His liver and renal function continued to deteriorate and eventually treatment was withdrawn nearly 3 weeks into his admission.

Describe the scoring systems for assessing the severity of acute hepatic dysfunction.

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