10 October 2023 : Original article
Prolonged Tracheal Intubation in the ICU as a Possible Risk Factor for Arytenoid Dislocation After Liver Transplant Surgery: A Retrospective Case-Control Study
Wenqing Yan12BDEF, Weihua DongDOI: 10.12659/AOT.940727
Ann Transplant 2023; 28:e940727
Table 2 Anesthesia-related and ICU-related characteristics.
| Variable | AD group (n=17) | Non-AD group (n=68) | P |
|---|---|---|---|
| Mallampatti score, n (%) | 0.638 | ||
| I–II | 16 (94.12%) | 65 (95.59%) | |
| III–IV | 1 (5.88%) | 3 (4.41%) | |
| Number of intubation attempts | – | ||
| 1 | 17 (100%) | 66 (97.06%) | |
| ≥2 | 0 | 2 (2.94%) | |
| Size of the endotracheal tube (mm) | 0.738 | ||
| <6 | 1 (5.89%) | 0 | |
| 6 | 0 | 1 (3.04%) | |
| 6.5 | 2 (11.76%) | 6 (8.82%) | |
| 7 | 5 (29.41%) | 18 (26.47%) | |
| 7.5 | 9 (52.94%) | 42 (61.76%) | |
| 8 | 0 | 0 | |
| Depth of intubation (cm) | 24 (23–24) | 24 (24–24) | 0.043 |
| Duration of mechanical ventilation in ICU (hour) | 19.75 (15.87–31.87) | 13 (10.62–15) | 0.000 |
| Stomach tube indwelling time (hour) | 44.75 (33.75–84.04) | 43.90 (25.03–89.88) | 0.922 |






