Skip to main content

Table 1 Effects of extension tube, cuff shape and tube size of endotracheal tubes on cuff pressure drop during measurement procedure

From: Decrease in cuff pressure during the measurement procedure: an experimental study

 

With an extension tube

Without an extension tube

7 mm

8 mm

9 mm

7 mm

8 mm

9 mm

Pyriform shape

8.9 ± 0.7

9.4 ± 0.5

9.2 ± 0.6

6.5 ± 1.1

6.6 ± 1.1

6.5 ± 0.6

Spherical shape

6.2 ± 1.0

5.9 ± 1.5

5.6 ± 0.8

5.4 ± 1.2

4.4 ± 0.6

4.1 ± 1.0

  1. Mean ± SD (cmH2O). The cuff pressure drops are shown for three sizes of endotracheal tubes (internal diameter, 7, 8, and 9 mm), with or without an extension tube, and two kinds of cuff shapes (pyriform and spherical).
Back to article page

Journal of Intensive Care

ISSN: 2052-0492