Optimizing approach to liver biochemistry abnormalities in cystic fibrosis pediatrics: Balancing efficiency and

Sarah B Lowry Adamitis1, Wikrom Karnsakul1

  • 1Johns Hopkins University, Baltimore, MD, United States.

Insights

This review outlines a structured approach to diagnosing liver issues in pediatric cystic fibrosis (CF) patients. It helps differentiate temporary changes from chronic conditions, focusing on drug-induced liver injury (DILI) and fatty liver disease.

Area of Science:

  • Pediatric Gastroenterology
  • Hepatology
  • Pharmacology

Background:

  • Liver biochemistry abnormalities are frequent in children with cystic fibrosis (CF).
  • These abnormalities can range from transient changes to indicators of serious underlying liver disease.
  • A systematic diagnostic strategy is needed to improve efficiency and reduce unnecessary tests.

Purpose of the Study:

  • To present a structured, evidence-based framework for evaluating liver biochemistry abnormalities in pediatric CF.
  • To differentiate between transient (<6 months) and chronic (>6 months) abnormalities.
  • To address drug-induced liver injury (DILI), including CFTR modulator hepatotoxicity, and metabolic dysfunction-associated steatotic liver disease (MASLD).

Main Methods:

  • The review synthesizes current evidence to propose a stepwise diagnostic approach.
  • It emphasizes risk stratification to guide further investigations, such as imaging or invasive diagnostics.
  • Special attention is given to high-risk CF populations with complications like portal hypertension or cirrhosis.

Main Results:

  • A structured framework allows for optimized diagnostic efficiency in pediatric CF liver abnormalities.
  • The approach aids in distinguishing transient changes from chronic liver disease, including DILI and MASLD.
  • Risk stratification effectively guides the escalation of diagnostic workup.

Conclusions:

  • Implementing a structured, stepwise approach improves the diagnostic evaluation of liver biochemistry abnormalities in pediatric CF.
  • This framework aids in managing DILI, CFTR modulator-associated hepatotoxicity, and emerging MASLD.
  • Effective clinical management is informed by considering the specific risks within the CF population.

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