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[Transendoscopic mechanical lithotripsy in choledocholithiasis].

B Vladimirov, I Iordanov

    Vutreshni Bolesti
    |January 1, 1989
    PubMed
    Summary
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    Mechanical lithotripsy effectively treats large bile duct stones when endoscopic methods fail. This procedure, combined with balloon extraction and drainage, offers a high success rate with minimal complications for common bile duct stones.

    Area of Science:

    • Gastroenterology
    • Hepatology
    • Endoscopic Surgery

    Background:

    • Large bile duct stones and ductal constrictions often impede spontaneous or endoscopic stone passage.
    • Endoscopic sphincterotomy and Dormia-basket extraction have limitations in managing complex bile duct stones.

    Purpose of the Study:

    • To evaluate the efficacy and safety of mechanical lithotripsy for bile duct stones resistant to standard endoscopic extraction.
    • To assess the role of adjunctive balloon dilatation and nasobiliary drainage in managing these challenging cases.

    Main Methods:

    • Mechanical lithotripsy was performed in 54 patients with difficult bile duct stones after failed Dormia-basket attempts.
    • Procedures included fragment extraction via balloon, ductal dilatation, and nasobiliary drainage for prophylaxis.

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    Main Results:

    • Mechanical lithotripsy achieved successful stone clearance in 50 patients (92.4%).
    • Significant reductions in jaundice and cholestasis were observed within 10 days, with normalization of liver enzymes.
    • Complications were infrequent, with hemorrhage occurring in 2 patients (4%).

    Conclusions:

    • Mechanical lithotripsy is a highly effective treatment for impacted bile duct stones when endoscopic sphincterotomy and Dormia-basket extraction fail.
    • The combination of mechanical lithotripsy, balloon dilatation, and nasobiliary drainage provides a safe and beneficial approach for managing complex bile duct stones and preventing complications like cholangitis.