Table 6.
Incidence and prognosis of C5 palsy after anterior decompression surgery for cervical lesions
| Report (year) | No. of patients | No. of cases of palsy (% of patients) | Cases of palsy with MMT grade ≤2 (% of all cases) | 1 and 2 levels fusion | 3 and more levels fusion | Recovery of the palsy (n) | |||
|---|---|---|---|---|---|---|---|---|---|
| No. of cases | Cases of palsy (%) | No. of cases | Cases of palsy (%) | Complete | Incomplete and none | ||||
| Yonenobu (1991) | 204 | 8 (3.9) | 8 (3.9) | ND | 0 | ND | 8 | 0 | 8 |
| Saunders (1995) | 176 | 16 (9.1) | ND | 20 | 1 (5.0) | 156 | 15 (9.6) | ND | ND |
| Greiner-Perth (2005) | 121 | 10 (8.2) | 3 (2.5) | 65 | 3 (4.6) | 56 | 7 (12.5) | 8 | 2 |
| Ikenaga (2005) | 563 | 18 (3.2) | 7 (1.2) | 201 | 0 (0) | 362 | 18 (5.0) | 11 | 7 |
| Hasegawa (2007) | 424 | 22 (5.2) | ND | ND | ND | ND | ND | ND | ND |
| Present report | 199 | 17 (8.5) | 10 (5.0) | 73 | 2 (2.7) | 126 | 15 (11.9) | 12 | 5 |
ND Not described