J Neurogastroenterol Motil.  2012 Apr;18(2):211-217.

How to Interpret a Functional or Motility Test: Sphincter of Oddi Manometry

Affiliations
  • 1Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea. yksky001@hanmail.net

Abstract

To date, endoscopic manometry is the best method for evaluating the function of the sphincter. Sphincter of Oddi manometry (SOM) remains the gold standard to correctly diagnose the sphincter of Oddi dysfunction (SOD) and stratify therapy. Several dynamic abnormalities relating to the intensity, frequency, and propagation of sphincter contractions have been described. However, their clinical use generally has been abandoned in favor of basal sphincter pressure alone, because this measurement is stable over time, and has stronger interobserver reliablility, reproducibility on repeating testing, and is associated with the responsiveness to therapy. A significant elevated risk of pancreatitis was attributed to the technique. The risk of pancreatitits associated with manometric evaluation of the pancreatic sphincter is markedly reduced when manometry is performed with continous aspiration from the pancreatic duct via one of the 3 catheter lumens. This section reviews indications, conscious sedative drugs, techniques, and the appropriate interpretations of SOM.

Keyword

Manometry; Pancreatitis; Sphincter of Oddi; Sphincter of Oddi dysfunction
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