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Related Experiment Videos

Effect of sphincteroplasty on gallbladder function and bile composition.

M S Cohn, S I Schwartz, W W Faloon

    Annals of Surgery
    |March 1, 1979
    PubMed
    Summary
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    Sphincteroplasty alters bile composition, increasing gallstone risk and gallbladder inflammation. Cholecystectomy is recommended after transduodenal sphincteroplasty due to these gallbladder pathophysiology changes.

    Area of Science:

    • Gastroenterology and Hepatobiliary Surgery
    • Comparative Physiology

    Background:

    • Sphincteroplasty is a surgical procedure affecting the biliary system.
    • Understanding its impact on gallbladder function and bile composition is crucial for patient outcomes.

    Purpose of the Study:

    • To investigate the effects of sphincteroplasty on bile concentration, composition, and gallbladder function in a canine model.
    • To determine if sphincteroplasty alters the lithogenicity of bile and gallbladder pathophysiology.

    Main Methods:

    • Analysis of gallbladder and hepatic bile for cholesterol, phospholipids (lecithin), and bile salts.
    • Assessment of gallbladder motor function using cholecystokinin-cholecystography.
    • Histological examination and bacterial culture of gallbladders post-procedure.

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    Main Results:

    • Sphincteroplasty decreased lecithin and bile salt concentrations in gallbladder bile, increasing lithogenicity.
    • Changes in bile salt profiles (increased monohydroxy/dihydroxy, decreased trihydroxy) favor gallstone formation.
    • Gallbladder concentrating ability was impaired, and chronic inflammation and bacterial flora developed.

    Conclusions:

    • Sphincteroplasty significantly alters gallbladder pathophysiology, increasing the risk of gallstone formation.
    • These changes, rather than motor function abnormalities, necessitate cholecystectomy following transduodenal sphincteroplasty.