RT Journal Article SR Electronic T1 Manometric measurement of human sphincter of Oddi length. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 121 OP 125 DO 10.1136/gut.29.1.121 VO 29 IS 1 A1 F I Habib A1 E Corazziari A1 D Biliotti A1 L Primerano A1 A Viscardi A1 V Speranza A1 E De Masi A1 G Fegiz A1 A Torsoli YR 1988 UL http://gut.bmj.com/content/29/1/121.abstract AB Length of biliary (CBD) and/or pancreatic (PD) sphincter of Oddi (SO) was measured during perendoscopic or intraoperative manometry in 21 control subjects and in 46 patients with biliary disease. When the high resting pressure (HPZ) and the phasic wave zone (PAZ) were considered, SO length was, in the control group, 9.5 +/- 0.5 mm (M +/- SE) and 9.4 +/- 0.6 mm at the level of the CBD-SO, and 7.7 +/- 0.6 mm and 6.9 +/- 0.5 mm at the level of the PD-SO. The physiological sphincter length appeared substantially shorter than the anatomical one, as reported in the literature. No significant differences were found between controls and patients with CBD stones. Endoscopic sphincterotomy without manometry reduced mean sphincter length length of the sphincterotomy was tailored to the manometric findings. Surgical partial sphincterotomy reduced sphincter length by only 46.7 +/- 10.3%.