N = 42 | |||
Gastric air insufflation (n, %) | 2, 4.7 | ||
Esophageal air insufflation (n, %) | 4, 9.5 | ||
Esophagus position (Left side to trachea, %) | 41, 97.6 | ||
Tracheal air insufflation (n, %) | 42, 100 | ||
Maximal peak inspiratory pressure (cmH20) | 20.8 ± 3.2 | ||
Gastric antrum CSA (cm2) | 1.0 ± 0.3 | ||
Baseline | Ultrasound guided esophageal pressure applied | P value | |
Esophagus depth from skin (mm) | 9.8 ± 2.3 | 7.2 ± 1.9 | < 0.001 |
Esophagus width (mm) | 6.5 ± 1.5 | 7.3 [6.4–8.4] | 0.020 |
Esophagus height (mm) | 4.4 [3.9–5.3] | 3.6 [2.8–4.0] | < 0.001 |
POGO score | 100 [100–100] | 100 [100–100] | 0.220 |