Influence of Head and Neck Position on Oropharyngeal Leak Pressure and Cuff Position with the ProSeal Laryngeal Mask Airway and the I-Gel: A Randomized Clinical Trial

Table 3

Fibreoptic view of the glottis with ProSeal LMA.

Brimacombe score	Neutral	Flexion	Extension	Lateral rotation
4	13	11	15	11
3	12	8	11	12
2	3	6	2	5
1	2	5	2	2
Value	N/A	0.058	0.10	0.10

Data in actual numbers; value in comparison with neutral position; < 0.05 is considered significant.
Head and neck position did not significantly alter the fibreoptic view of the glottis through the ProSeal LMA.