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[Ketamine-induced cholangiopathy].

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Summary
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Chronic ketamine use may cause a rare liver condition called ketamine-induced cholangiopathy. This case report highlights it as a key diagnosis for unexplained bile duct dilation.

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Area of Science:

  • Gastroenterology
  • Toxicology
  • Hepatology

Background:

  • Chronic ketamine misuse is associated with various health complications.
  • Bile duct dilation can present with abdominal pain and abnormal liver function tests.
  • Identifying the cause of unexplained cholangiopathy is clinically significant.

Purpose of the Study:

  • To report a case of presumed ketamine-induced cholangiopathy.
  • To emphasize ketamine-induced cholangiopathy as a differential diagnosis for unexplained bile duct dilation.

Main Methods:

  • Case presentation of a 26-year-old male with chronic ketamine use.
  • Diagnostic imaging including abdominal ultrasound, magnetic resonance cholangiopancreatography (MRCP), and endoscopic ultrasound (EUS).
  • Clinical assessment of abdominal pain, infection markers, and liver function tests.

Main Results:

  • The patient presented with abdominal pain and elevated infection markers and liver function tests.
  • Imaging revealed a dilated common bile duct without gallstones.
  • MRCP and EUS did not identify other causes for the bile duct dilation.

Conclusions:

  • Ketamine-induced cholangiopathy is a potential cause of unexplained bile duct dilation.
  • This condition should be considered in patients with a history of chronic ketamine use presenting with relevant symptoms.
  • Further research is needed to understand the pathophysiology and prevalence of ketamine-induced cholangiopathy.