Sensitivity to isobaric distensions between the proximal and distal stomach and influence of simultaneous low level gastric distension
| Threshold for first perception | Threshold for discomfort | |||||
|---|---|---|---|---|---|---|
| Pressure (mm Hg above MDP) | Volume (ml) | Tension (cm×mm Hg) | Pressure (mm Hg above MDP) | Volume (ml) | Tension (cm×mm Hg) | |
| Data are given as mean (SEM). | ||||||
| *With simultaneous low level gastric distension. | ||||||
| **p<0.001 between the proximal and distal stomach (paired t test). | ||||||
| Proximal stomach | 4.0 (0.6) | 336 (56) | 20.2 (3.3) | 10.9 (0.8) | 916 (70) | 87.0 (8.7) |
| Distal stomach | 3.9 (0.6) | 262 (57) | 19.1 (4.2) | 12.1 (1.0) | 625 (58)** | 85.2 (9.1) |
| Proximal stomach* | 3.1 (0.4) | 286 (60) | 15.9 (2.6) | 10.1 (0.7) | 852 (65) | 78.4 (7.3) |
| Distal stomach* | 2.9 (0.3) | 142 (33) | 12.6 (2.1) | 11.4 (1.0) | 613 (47)** | 79.0 (8.4) |