Table 2.
Analysis of 37 patients transferred from other centers
| Clinical characteristics | |
|---|---|
| Gender | |
| male | 18 (48.6%) |
| female | 19 (51.4%) |
| Age (years) | 35.1 ± 15.0 (7–62) |
| Side | |
| right | 21 (56.8%) |
| left | 16 (43.2%) |
| Preoperative grade (H-B) | |
| V | 13 (35.1%) |
| VI | 24 (64.9%) |
| Preoperative hearinga | |
| complete deafness | 18 (48.6%) |
| conductive hearing loss | 10 (27.0%) |
| mixed hearing loss | 9 (24.3%) |
| Duration before revision surgery | |
| < 2 months | 19 (51.4%) |
| 2–6 months | 10 (27.0%) |
| > 6 months | 8 (21.6%) |
| Site of facial nerve injuryb | |
| tympanic segment | 27 (73.0%) |
| second genu | 24 (64.9%) |
| mastoid segment | 8 (21.6%) |
| geniculate ganglion | 4 (10.8%) |
| Degree of facial nerve injuryc | |
| edema | 7 (18.9%) |
| sheath defective and edema | 5 (13.5%) |
| superficially transected | 2 (5.4%) |
| partially transected | 4 (10.8%) |
| completely transected | 19 (51.4%) |
| Malformation of facial nerve | |
| anomalous course | 1 (2.7%) |
| bifurcation | 1 (2.7%) |
| Inner ear injury | |
| yes | 18 (48.6%) |
| no | 19 (51.4%) |
| Facial nerve management | |
| decompression (2 cases combined with axion realignment) | 14 (37.8%) |
| graft | 19 (51.4%) |
| Anastomosis | 4 (10.8%) |
| Postoperative grade (H-B) | |
| I | 6 (16.2%) |
| II | 6 (16.2%) |
| III | 18 (48.6%) |
| IV | 5 (13.5%) |
| V | 2 (5.4%) |
aPreoperative hearing: according to 2021 WHO classification of hearing loss
bSite of facial nerve injury: 21 (56.8%) patients suffered from multisegment injury
cDegree of facial nerve injury: superficially transected (< 1/3 of the circumference), partially transected (> 1/3 of the circumference)