| SaCoVLM™ FB classification group(n = 60) | i-gel FB classification group(n = 60) | P value | SaCoVLM™ SaCoVLM™ classification group(n = 60) |
---|
Grade 1 | 0 (0) | 3 (5%) | P = 0.18 | 4 (7%) |
Grade 2 | 4 (7%) | 7 (12%) | 8 (13%) |
Grade 3 | 14 (23%) | 9 (15%) | 21 (35%) |
Grade 4 | 42 (70%) | 41 (68%) | 27 (45% |
- Brimacombe and Berry flexible bronchoscopy (FB classification) is as follows: Grade 1: no visualization of the glottic entrance; Grade 2: visualization of glottis and the lingual surface of epiglottis; Grade 3: visualization glottis and the laryngeal surface of the epiglottis. Grade 4: full visualization of the glottis only
- SaCoVLM™ grading (SaCoVLM™ classification):Grade 1: visualization of the lateral part of the right aryepiglottic fold and part of the laryngeal inlet, and SpO2 > 98% after VLM ventilation; Grade 2: visualization of the bilateral aryepiglottic fold and part of the laryngeal inlet and SpO2 > 98% after VLM ventilation; Grade 3: visualization of all laryngeal inlet and posterior glottis;Grade 4: visualization of the whole glottis