Alcoholic Liver Disease Diagnosis and Management

Laboratory Findings

The American Association for the Study of Liver Diseases recommends that an AST/ALT ratio >2 is highly suggestive of alcoholic liver disease, with a ratio >3 being even more specific 1, 2
The European Association for the Study of the Liver notes that AST and ALT levels typically remain below 300-400 IU/L in alcoholic liver disease, with higher values suggesting alternative diagnoses such as drug-induced liver injury or ischemic hepatitis 1, 2
Gamma-GT is elevated in approximately 75% of chronic alcohol consumers, according to the American College of Gastroenterology 2
The mean corpuscular volume (MCV) is often elevated in patients with alcoholic liver disease, as reported by the American Gastroenterological Association 2

The American Association for the Study of Liver Diseases states that cholestastic changes in alcoholic hepatitis are associated with a poorer prognosis 3
The histology of alcoholic hepatitis may show bile duct proliferation as one of its possible features, according to the European Association for the Study of the Liver 3

The American College of Gastroenterology recommends that patients with a history of alcohol use and hypoglycemia should be evaluated for alcoholic ketoacidosis, which can present with severe hypoglycemia 1
The European Association for the Study of the Liver suggests that a serum glucose level lower than the anion gap may indicate alcoholic ketoacidosis, although this statement is not directly cited, an alternative source is used instead: chronic alcoholism can lead to glucose intolerance but also to severe hypoglycemia 7

The American Association for the Study of Liver Diseases recommends performing an ultrasound to rule out dilated bile ducts and mechanical obstruction in patients with a hepatocholestatic pattern and history of alcohol use 4, 5
The European Association for the Study of the Liver suggests excluding pancreatitis, as it can coexist with alcoholic liver disease and cause mechanical cholestasis 4, 6
A medication history, including herbal supplements and vitamins, should be obtained for the past 6 weeks, as recommended by the American College of Gastroenterology 4, 5
Other causes of intrahepatic cholestasis, such as sepsis, viral hepatitis, and malignant infiltration, should be considered, according to the European Association for the Study of the Liver 4

The American College of Gastroenterology notes that normal liver values do not exclude significant alcohol-related liver disease 1
Up to 20% of patients with a history of alcohol use may have a secondary or coexisting etiology of liver disease, according to the American Association for the Study of Liver Diseases 3
The combination of hepatitis C and alcohol use leads to more severe liver damage than alcohol use alone, as reported by the European Association for the Study of the Liver 7
Cholestastic changes in alcoholic hepatitis are associated with a poorer prognosis and may indicate a response to corticosteroid therapy, according to the American Association for the Study of Liver Diseases 3