Parameter | DLT (n = 38) | EZB (n = 36) | Mann Whitney U-test (P-Value) |
---|---|---|---|
Primary endpoint (Total time) | |||
Total time for one lung ventilation (s) (preparation/intubation/isolation) | 234 [207 to 294] | 298 [243 to 369] | 0.007* |
Secondary endpoints (Time subsections) | |||
Preparation time (s) (device + bronchoscope) | 76 [64 to 111] | 119 [95 to 149] | < 0.001* |
Time for successful intubation (s) | 69 [55 to 97] | 47 [35 to 65] | < 0.001* |
Time for bronchoscopic position check (s) | 50 [29 to 94] | 85 [45 to 113] | 0,107 |
Time for correct placement (s) | 5 [0 to 38] | 22 [0 to 68] | 0,051 |
Time for bronchoscope preparation (s) | 28 [19 to 35] | 23 [20 to 32] | 0.349 |
Time for device preparation (s) | 49 [41 to 70] | 97 [74 to 117] | < 0.001* |
Time for one lung ventilation without preparation time (s) | 140 [112 to 222] | 165 [125 to 203] | 0.479 |
Correct device position after intubation n (%): | |||
yes | 27 (71%) | 16 (44%) | 0.021* |
no | 11 (29%) | 20 (56%) | |
Method of intubation n (%): | |||
DL | 29 (87%) | 28 (86%) | 0.927 |
GVL | 9 (13%) | 8 (14%) | |
Change method of intubation n (%): | |||
yes | 3 (8%) | 2 (6%) | 0.691 |
no | 35 (92%) | 34 (94%) | |
First attempt success n (%): | |||
yes | 29 (76%) | 32 (89%) | 0.158 |
no | 9 (24%) | 4 (11%) | |
Intubation attempts n (%): | |||
1 | 27 (71%) | 29 (81%) | 0.32 |
2 | 10 (26%) | 7 (19%) | |
3 | 0 (0%) | 0 (0%) | |
> 3 | 1 (3%) | 0 (0%) |