Pylorus Functional Lumen Imaging Probe Metrics at Varying Balloon Positions Within the Pylorus in 22 Patients Using Functional Lumen Imaging Probe Analytic Software
| FLIP metric | Proximal position (75% of balloon in duodenum and 25% in antrum) | Middle position (50% of balloon in duodenum and 50% in antrum) | Distal position (25% of balloon in duodenum and 75% in antrum) |
|---|---|---|---|
| CSA (mm2) | |||
| 30 mL | 92.2 (31.3) |
88.5 (28.9) |
70.2 (26.3) |
| 40 mL | 130.1 (30.9) |
137.9 (52.4) |
115.0 (28.4) |
| 50 mL | 183.0 (34.8) | 190.2 (42.8) | 185.8 (38.0) |
| Pressure (mmHg) | |||
| 30 mL | 11.7 (4.6)a,b | 9.9 (3.9) |
8.5 (3.8) |
| 40 mL | 15.2 (5.6)a,b | 11.6 (4.0) |
10.6 (3.9) |
| 50 mL | 28.1 (5.8) |
31.5 (44.5) | 21.1 (6.2) |
| DI [CSA/P] (mm2/mmHg) | |||
| 30 mL | 9.6 (6.0) | 11.4 (9.0) | 9.6 (6.1) |
| 40 mL | 9.8 (4.6)a,b | 13.9 (8.8) | 13.1 (7.7) |
| 50 mL | 6.7 (1.7)a,b | 9.4 (3.4) | 9.6 (3.7) |
a
b
CSA, cross-sectional area; DI, distensibility index; P, intra-bag pressure.
Results are expressed in mean (SD).