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Table 3 Airway axis and alignment

From: Head elevation by 3 vs. 6 cm in ProSeal laryngeal mask airway insertion: a randomized controlled trial

 

Group 3 cm (n = 38)

Group 6 cm (n = 40)

P value

Angle of ventral neck (°)

26.1 ± 7.6

33.7 ± 8.8

<0.01

Oral axis

90.3 ± 8.5

101.9 ± 9.6

<0.01

Oral axis - angle of ventral neck

64.1 ± 11.9

68.2 ± 13.0

0.123

  1. Data are means ± standard deviation. Group 3 cm, used a 3 cm height pillow. Group 6 cm, used a 6 cm height pillow. Angle of ventral neck, an imaginary line along the long axis of the trachea; oral axis, an imaginary midline perpendicular to the line between the upper and lower lip
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BMC Anesthesiology

ISSN: 1471-2253

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