Alcoholic liver disease and malnutrition

Area of Science:

• Hepatology
• Nutritional Science
• Internal Medicine

Background:

• Malnutrition, including protein-energy malnutrition (PEM) and specific nutrient deficiencies, is a common complication in alcoholic liver disease (ALD).
• The severity of malnutrition often correlates with the severity of ALD.
• Malnutrition is also prevalent in cirrhosis from non-alcoholic causes and can be exacerbated by hospitalization and metabolic complications like hepatic encephalopathy.

Purpose of the Study:

• To highlight the significance of malnutrition in alcoholic liver disease (ALD) and other cirrhotic conditions.
• To emphasize the multifactorial mechanisms contributing to malnutrition in liver disease.
• To advocate for aggressive nutritional support as a primary therapeutic strategy for ALD.

Main Methods:

• Review of existing literature on malnutrition in ALD and cirrhosis.
• Analysis of the impact of hospitalization and metabolic complications on nutritional status.
• Evaluation of the efficacy of different nutritional support strategies, including enteral feeding and late-night snacks.

Main Results:

• Malnutrition is a frequent and severe complication of ALD, linked to disease severity.
• Hospitalization and metabolic issues like hepatic encephalopathy worsen malnutrition in liver patients.
• Enteral nutritional support in inpatients with ALD improves nutritional status and potentially clinical outcomes.
• Late-night snacks benefit outpatient cirrhotics by improving nutritional status and lean body mass.

Conclusions:

• Aggressive nutritional support, particularly enteral feeding, is indicated for inpatients with ALD.
• Nutritional interventions, such as late-night snacks for outpatients, improve nutritional status in cirrhotic patients.
• Given the lack of FDA-approved therapies for ALD, nutritional intervention should be considered a frontline treatment.