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Related Experiment Videos

Lithotripsy for bile duct stones.

F G Moody1, J R Amerson, G Berci

  • 1University of Texas Health Science Center Medical School, Houston.

American Journal of Surgery
|September 1, 1989
PubMed
Summary

Extracorporeal shock-wave lithotripsy (ESWL) effectively fragments difficult bile duct stones when other methods fail. This safe and infrequent complication procedure offers a promising solution for impacted gallstones.

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Area of Science:

  • Gastroenterology and Hepatology
  • Minimally Invasive Surgery
  • Medical Device Technology

Background:

  • Standard manipulative techniques often fail for difficult-to-remove bile duct stones.
  • Impacted or inaccessible stones pose significant treatment challenges.
  • Intraluminal lithotripsy methods have limitations for certain stone presentations.

Purpose of the Study:

  • To evaluate the safety and efficacy of Extracorporeal Shock-Wave Lithotripsy (ESWL) for difficult bile duct stones.
  • To assess fragmentation rates, duct clearance, and complication incidence of ESWL in a multicenter trial.

Main Methods:

  • A multicenter trial involving 56 patients with difficult-to-remove bile duct stones.
  • Application of Extracorporeal Shock-Wave Lithotripsy (ESWL) as a treatment modality.

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  • Monitoring of stone fragmentation, duct clearance, need for adjunctive procedures, and complications.

    • Main Results:

    • Successful stone fragmentation was achieved in 91% of patients.
    • Biliary duct clearance was observed in 79% of patients.
    • Complications such as hemobilia (8%), gross hematuria (6%), and biliary sepsis (4%) were mild and infrequent, with no deaths reported.

    Conclusions:

    • Extracorporeal Shock-Wave Lithotripsy (ESWL) is a safe and effective adjunct for treating difficult bile duct stones.
    • ESWL demonstrates high fragmentation and clearance rates with a favorable safety profile.
    • The procedure offers a valuable alternative when standard techniques are insufficient.