Abstract
Malnutrition is common in severe liver disease. Assessment of malnutrition usually requires a subjective global assessment of the patient with a few additional tests that often include handgrip strength and arm-muscle circumference. The severity of liver disease correlates well with the severity of malnutrition, which has prognostic value. Malnutrition is multifactorial, is difficult to correct, and occurs in liver disease independently of the etiology of hepatic injury. Patients who have severe protein-calorie malnutrition require diets with high calorie and protein intake, even in the presence of hepatic encephalopathy. Some forms of complementary and alternative medicine are frequently used in patients with advanced liver disease, but supporting scientific data is needed. Obesity is detrimental to patients with advanced liver disease and is of greater concern in liver transplant candidates because it increases transplant-related morbidity. Data detailing the effects of aggressive nutritional support before transplantation are scarce, and more studies are needed.
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