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  • Title: Motility and dysmotility of the biliary tract.
    Author: Chathadi KV, Elta GH.
    Journal: Semin Gastrointest Dis; 2003 Oct; 14(4):199-207. PubMed ID: 14719770.
    Abstract:
    Muscle fibers in the biliary tree, and therefore the potential for dysmotility, are located in the gallbladder and the sphincter of Oddi. Dysmotility at either site is a potential cause of biliary pain in the absence of stones, although significant controversy persists. Diminished gallbladder emptying measured by biliary scintigraphy is an indication for cholecystectomy, although studies are contradictory regarding clinical benefit. It is likely that careful selection of patients for cholescintigraphic testing, many of whom have had missed stones or sludge, will identify patients who benefit from cholecystectomy. However, given the increased incidence of gallbladder stasis in functional gastrointestinal disorders, wide use of this study in patients with abdominal symptoms leads to a frequent failure to respond to cholecystectomy. Sphincter of Oddi dysfunction (SOD) has been best studied in patients with biliary type pain who have had prior cholecystectomy. Much less understood is the association of SOD with idiopathic recurrent acute pancreatitis and chronic pancreatitis. The least-studied clinical association for SOD is in patients with biliary pain and intact gallbladders. Elevated basal sphincter of Oddi pressure is predictive of clinical response to sphincterotomy in patients with postcholecystectomy pain in two randomized sham-controlled studies. However, patients with suspected SOD have the highest complication rate from endoscopic retrograde cholangiogram and sphincterotomy, and, therefore, careful patient selection is mandatory.
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