Background
Methods
Study design and patient selection
End points
Technical aspects
Description of device included in the study: Imago V-Blade® and Glidescope®
Statistical analysis
Results
Glidescope (21) | Imago (21) |
p
| |
---|---|---|---|
Age (mean ± SD) | 62 ± 10 | 58 ± 15 | 0.636 |
Gender (m/f) | 13/8 | 10/11 | 0.352 |
BMI > 35 | 38.4 ± 2.3 | 38.6 ± 1.52 | 0.875 |
Mallampati Class: | 0.635 | ||
I | 1 (4.8%) | 0 | |
II | 5 (23.8%) | 5 (23.8%) | |
III | 13 (61.8%) | 12 (57.1%) | |
IV | 2 (9.5%) | 4 (19%) | |
Previous difficult intubation | 2 (9.5%) | 4 (19%) | 1 |
Inter-incisor gap ≤3 cm | 6 (28.6%) | 6 (28.6%) | 1 |
Thyromental distance <6.5 cm | 6 (28.6%) | 6 (28.6%) | 1 |
Reduced jugular-mental distance | 5 (23.8%) | 4 (19%) | 1 |
No possibility of maxillary prognatism | 3 (14.3%) | 1 (4,8%) | 1 |
Head and neck movement <90° | 3 (14.3%) | 4 (19%) | 1 |
Complete missing teeth | 4 (19%) | 5 (23.8%) | 1 |
Macroglossia | 4 (19%) | 3 (14,3%) | 1 |
Thyroid goiter | 4 (19%) | 2 (9.5%) | 1 |
Tracheal deviation | 4 (19%) | 5 (23.8%) | 1 |
Glidescope (21) | Imago (21) |
p
| |
---|---|---|---|
Readjust patient’s head | 0 | 0 | – |
External laryngeal pressure | 13 | 4 | 0.004 |
Advance blade | 4 | 11 | 0.024 |
Withdraw blade | 8 | 4 | 0.179 |
Increase lifting force | 11 | 4 | 0.024 |