J.Jpn. Surg. Soc.. 82(9): 1080-1084, 1981

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Report on the annual meeting

SIGNIFICANCE OF MANOMETRY AND FLOW RATE STUDIES IN BILIARY TRACT DISEASES

Manometry and flow rate studies of the common bile duct can be routinely used as adjuncts to cholangiography during operations on the biliary trees. An abnormal gallbladder pressure and/or an abnormal common bile duct pressure or flow is a reliable indications of abnormalities in the biliary tract.
In the cases with biliary dyskinesia marked pressure abnormality of the gallbladder or that between the gallbladder and the common bile duct is observed and manometry is indispensable for the diagnosis.
In the normal cases the difference between the resting pressure and the residual pressure of the common bile duct after the saline infusion is small. In addition, the common bile duct pressure rises rapidly after the saline infusion and returns rapidly to the former levels.
This pattern of pressure fluctuation is of much helpful to judge the resistance of the sphincter of Oddi, since. As a sharp demarcation often exists between the resistance of the sphincter of Oddi in patients with normal and that in patients abnormal common bile duct function. However, because of the shortage in operative cholangiography including the inability to detect small stones and the difficulty in radiographycally demonstrating disease of the sphincter of Oddi, biliary manometry is recommended in determining the status of the biliary tract together with operative cholangiography.

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