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Acute-on-Chronic Liver Failure.

Sumeet K Asrani1, Douglas A Simonetto2, Patrick S Kamath3

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Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association
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PubMed
Summary
This summary is machine-generated.

Acute-on-chronic liver failure (ACLF) involves rapid liver injury progression and multi-organ dysfunction in patients with chronic liver disease, leading to high mortality. Early recognition and intensive care are crucial for managing ACLF.

Keywords:
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Area of Science:

  • Hepatology
  • Critical Care Medicine

Background:

  • Acute-on-chronic liver failure (ACLF) represents a distinct clinical entity in decompensated cirrhosis.
  • It is characterized by a precipitating event leading to rapid liver injury progression and multi-organ dysfunction.
  • ACLF affects 24-40% of hospitalized patients with liver disease.

Purpose of the Study:

  • To define the concept and characteristics of ACLF.
  • To outline the pathophysiological model of ACLF.
  • To discuss current treatment strategies for ACLF.

Main Methods:

  • Review of the natural history of decompensated cirrhosis.
  • Description of the 4-part pathophysiological model of ACLF.
  • Analysis of diagnostic criteria and prognostic scores for ACLF.

Main Results:

  • ACLF is defined by precipitating events, rapid liver injury, multi-organ failure, and high short-term mortality.
  • The prevalence of ACLF is significant in hospitalized patients.
  • The prognostic value of current scoring systems for ACLF outcomes requires further clarification.

Conclusions:

  • ACLF is a critical condition with high mortality, necessitating prompt diagnosis.
  • Understanding the pathophysiological basis is key to managing ACLF.
  • Treatment focuses on early recognition, intensive supportive care, and timely liver transplantation evaluation.