Sphincter of Oddi (SO) manometric and choledochoscintigraphic variables in biliary group I and II patients
| Biliary I (n=8) | Biliary II (n=22) | |
|---|---|---|
| HHDT, hepatic hilum-duodenum transit time. | ||
| Values are mean (SD). | ||
| *Significant difference. | ||
| SO manometry | ||
| Basal SO pressure | ||
| Mean basal SO pressure (mm Hg) | 29.0 (17) | 18.3 (9) |
| Maximal basal SO pressure (mm Hg) | 59.0 (26)* | 34.4 (19)* |
| Phasic activity | ||
| Frequency (cycle/min) | 2.2 (0.6) | 1.8 (0.9) |
| Duration (s) | 7.5 (1.8) | 6.3 (1.7) |
| Amplitude (mm Hg) | 111 (34) | 85 (31) |
| Quantitative choledochoscintigraphy | ||
| HHDT (min) | 14.2 (2.2) | 10.6 (4.5) |