Table 2 The tracheal AP and transverse diameters at 20 mm above the cuff, the mid-cuff level and 20 mm below the cuff are shown for the LVLP.
Level | Diameter above cuff (mm) | Diameter at mid cuff (mm) | Diameter below cuff (mm) | |||
|---|---|---|---|---|---|---|
| Â | AP | Transverse | AP | Transverse | AP | Transverse |
1 | 15 | 16 | 16 | 16 | 13 | 14 |
2 | 21 | 19 | 21 | 20 | 14 | 19 |
3 | 18 | 19 | 19 | 17 | 18 | 17 |
4 | 16 | 16 | 17 | 18 | 17 | 17 |
5 | 20 | 21 | 20 | 19 | 19 | 17 |
6 | 17 | 16 | 25 | 21 | 13 | 13 |
Mean (SD) | 17.8 (2.3) | 17.8 (2.1) | 19.7 (3.2) | 18.5 (1.9) | 15.7 (2.7) | 16.2 (2.2) |