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Related Experiment Videos

[Percutaneous transhepatic cholangioscopic lithotripsy]

T Yamakawa1, H Honda

  • 1Department of Surgery, Teikyo University Hospital, Mizonokuchi.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|July 1, 1993
PubMed
Summary
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Percutaneous transhepatic cholangioscopy (PTCS) offers a minimally invasive approach for treating biliary tract stones, especially in patients with prior surgeries. This technique demonstrates high success rates and improves therapeutic outcomes for intrahepatic stones.

Area of Science:

  • Gastroenterology and Hepatology
  • Minimally Invasive Surgery
  • Interventional Radiology

Context:

  • The advent of the cholangiofiberscope in 1975 revolutionized biliary tract stone management.
  • Percutaneous transhepatic cholangioscopy (PTCS) involves inserting a cholangiofiberscope into the biliary tract via a percutaneous transhepatic biliary drainage (PTBD) tract.
  • This technique addresses challenges in patients with prior bilio-enteric or gastro-jejunostomy procedures.

Purpose:

  • To detail the technique of percutaneous transhepatic cholangioscopy (PTCS).
  • To discuss the clinical significance and advantages of PTCS in managing biliary tract stones.
  • To evaluate the efficacy and outcomes of PTCS for intrahepatic stones over an 18-year period.

Summary:

  • PTCS allows repeated access for stone removal using instruments guided by the cholangiofiberscope.

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  • It is applicable to patients with complex surgical histories, including bilio-enteric anastomosis.
  • Clear delineation of biliary architecture aids in selecting appropriate surgical procedures.
  • Over 18 years (1975-1993), 126 intrahepatic stone cases were managed; PTCS achieved successful extraction in 106 of 121 cases.

    • Impact:

    • PTCS facilitates direct visualization and removal of stones, improving patient outcomes.
    • The technique offers a repeatable and less invasive option compared to traditional surgery.
    • Successful stone extraction via PTCS generally leads to a good prognosis.
    • Routine adoption of PTCS is expected to significantly enhance therapeutic results for biliary tract stones.