Table 1 Mean volume and height of refluxate according to the size of the pylorus
From: A flow visualization model of duodenogastric reflux after esophagectomy with gastric interposition
Route | Posture | Pressure (mmHg) | Volume (mL) | Height (mm) | ||||
|---|---|---|---|---|---|---|---|---|
Small pylorus | Large pylorus | p value | Small pylorus | Large pylorus | p value | |||
RS | Upright | 20 | 50.8 ± 4.0 | 87.8 ± 1.1 | .001 | 72.6 ± 3.6 | 101.6 ± 4.8 | .001 |
30 | 58.4 ± 1.5 | 150.8 ± 1.1 | .008 | 87.3 ± 3.6 | 151.4 ± 2.2 | .008 | ||
40 | 69.8 ± 2.6 | 156.8 ± 3.3 | .008 | 111.0 ± 5.6 | 166.1 ± 1.7 | .008 | ||
Semi-Fowler | 20 | 53.4 ± 4.0 | 114.7 ± 3.1 | <.001 | 86.9 ± 11.6 | 137.5 ± 3.9 | <.001 | |
30 | 58.0 ± 0.7 | 158.8 ± 0.8 | .008 | 132.7 ± 3.2 | 181.6 ± 1.0 | .008 | ||
40 | 72.6 ± 0.9 | 200.2 ± 2.7 | .008 | 135.8 ± 5.5 | 221.0 ± 3.4 | .008 | ||
PM | Upright | 20 | 56.4 ± 1.7 | 96.4 ± 1.7 | .001 | 72.5 ± 5.6 | 113.4 ± 2.9 | .001 |
30 | 61.2 ± 2.2 | 158.0 ± 3.2 | .008 | 98.3 ± 3.84 | 165.4 ± 1.5 | .008 | ||
40 | 75.6 ± 1.5 | 198.0 ± 4.7 | .008 | 118.6 ± 5.0 | 193.7 ± 6.6 | .008 | ||
Semi-Fowler | 20 | 59.0 ± 2.0 | 144.5 ± 2.8 | <.001 | 164.0 ± 8.0 | 162.5 ± 5.0 | .529 | |
30 | 60.6 ± 0.9 | 176.0 ± 1.8 | .004 | 191.3 ± 9.3 | 198.8 ± 6.4 | .310 | ||
40 | 73.4 ± 1.3 | 227.7 ± 4.3 | .004 | 217.8 ± 7.4 | 233.4 ± 4.2 | .008 | ||