Table 2 Intubation conditions and hemodynamic responses of the patients to intubation with double-lumen tubes
Control group (n = 60) | Thermal softening group (n = 60) | P | |
|---|---|---|---|
Mallampati grade (1/2/3) | 14/42/4 | 16/39/5 | 0.758 |
Laryngoscopic view (1/2) | 53/7 | 54/8 | 0.926 |
Glottis opening score (%) | 91(15) | 89(18) | 0.835 |
Intubation time (s) | 25 ± 8 | 28 ± 9 | 0.462 |
Resistance to advancement of the double-lumen tube through the trachea (None/mild/moderate/severe) | 24/18/14/4 | 48/9/3/0 | < 0.001 |
Mean arterial pressure (mm Hg) | |||
Before intubation | 78 ± 14 | 80 ± 15 | 0.529 |
After intubation | 95 ± 19 | 94 ± 18 | 0.768 |
Heart rate (beats min− 1) | |||
Before intubation | 68 ± 13 | 70 ± 12 | 0.473 |
After intubation | 81 ± 14 | 82 ± 16 | 0.784 |