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Table 2 Ultrasound assessment during the ultrasound guided esophageal pressure application

From: Ultrasound-guided esophageal compression during mask ventilation in small children: a prospective observational study

 

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

  1. Data presented as mean ± SD, number or median (IQR). CSA cross sectional area, POGO percentage of glottis opening score