[Gallbladder dyskinesia and manometry of Oddi's sphincter]

Sphincter of Oddi activity partly regulates bile flow into the small intestine. This regulation is mainly controlled by phasic contractions and basal tone of the sphincter, together with gallbladder contraction. Manometric studies of the sphincter have permitted a better understanding of its physiological role and implication in biliary dyskinesia symptoms. Motility abnormalities of Oddi's sphincter present classically as bouts of recurrent pain and/or idiopathic pancreatitis, that can be successfully cured by endoscopic sphincterotomy.