Clopidogrel-induced hepatotoxicity after percutaneous coronary stenting

T N Chau1, K F Yim, N S Mok

  • 1Department of Medicine and Geriatrics, United Christian Hospital, Kwun Tong, Hong Kong. chautainin@hotmail.com

Insights

Clopidogrel, an antiplatelet medication, can rarely cause liver injury. This case study details a 74-year-old man who developed symptomatic liver disease after taking clopidogrel, highlighting a rare adverse effect.

Area of Science:

  • Cardiology
  • Hepatology
  • Pharmacology

Background:

  • Clopidogrel is a P2Y12 inhibitor, widely prescribed as antiplatelet therapy for acute coronary syndromes and following percutaneous coronary intervention.
  • While generally safe, drug-induced liver injury is a potential, albeit rare, adverse effect associated with clopidogrel use.

Observation:

  • A 74-year-old male patient developed symptomatic liver disease approximately five weeks after initiating clopidogrel therapy.
  • The patient's presentation included signs and symptoms indicative of liver dysfunction.

Findings:

  • This case represents a rare instance of clopidogrel-induced hepatotoxicity.
  • Review of existing literature indicates that clopidogrel-induced liver injury, though infrequent, can manifest as symptomatic liver disease.

Implications:

  • Clinicians should maintain awareness of potential hepatotoxicity as a rare adverse event in patients treated with clopidogrel.
  • Prompt recognition and evaluation are crucial for managing clopidogrel-induced liver injury and considering alternative antiplatelet strategies if necessary.

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