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Alcohol and the pancreas

S Schenker1, R Montalvo

  • 1Department of Medicine, University of Texas Health Science Center at San Antonio 78284-7878, USA.

Recent Developments in Alcoholism : an Official Publication of the American Medical Society on Alcoholism, the Research Society on Alcoholism, and the National Council on Alcoholism
|September 30, 1998
PubMed
Summary

Alcoholic pancreatitis, a severe consequence of alcohol abuse, is diagnosed using clinical signs and elevated enzymes, with CT scans aiding prognosis. The exact cause is unknown, but direct ethanol toxicity is a leading theory.

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Area of Science:

  • Gastroenterology
  • Toxicology
  • Pathology

Background:

  • Alcohol abuse is a leading cause of pancreatitis.
  • Diagnosis relies on clinical symptoms, pancreatic enzymes, and imaging.
  • The pathogenesis of alcoholic pancreatitis remains incompletely understood.

Purpose of the Study:

  • To review the diagnosis, pathogenesis, and therapy of alcoholic pancreatitis.
  • To discuss the role of imaging in assessing severity and prognosis.
  • To explore the proposed mechanisms of ethanol-induced pancreatic injury.

Main Methods:

  • Clinical diagnosis based on symptoms and signs of abdominal distress.
  • Biochemical analysis of pancreatic enzymes (amylase and lipase).
  • Computerized tomography (CT) for confirmatory and prognostic evaluation.

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  • Review of existing theories on pathogenesis: duct obstruction, protein precipitates, and direct toxic-metabolic effects.
  • Correlation of CT findings with clinical-laboratory severity scores (e.g., APACHE, Ranson's criteria).

    • Main Results:

    • Diagnosis primarily relies on clinical acumen and elevated pancreatic enzymes.
    • CT scans provide valuable confirmatory and prognostic information.
    • CT findings correlate with clinical severity scores and aid in therapeutic decisions.
    • Three main pathogenetic theories exist: duct obstruction, protein precipitates, and direct ethanol toxicity.
    • Direct toxic-metabolic effects of ethanol, possibly via oxidative stress or fatty acid ethyl esters, are favored.
    • Inflammation results from autolysis, mediated by cytokines.
    • Acute pancreatitis often occurs in the context of chronic alcohol abuse.
    • The reason for susceptibility in only a subset of alcohol abusers is unresolved.

    Conclusions:

    • Alcoholic pancreatitis is a serious condition requiring accurate diagnosis and risk stratification.
    • Understanding the pathogenesis, particularly direct ethanol toxicity, is crucial for targeted therapies.
    • Management strategies vary based on severity, with mild cases responding to supportive care and abstention, while severe cases necessitate intensive medical-surgical intervention.