Table 3.
Pt No. | Age | Sex | ACDF level | Disease | Stenosis |
IONM change |
Motor weakness |
Post-op imaging study | Treatment | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Cent | Fora | MEP | SSEP | Pre-Op | Post-Op | |||||||
1 | 52 | M | C6-7 | HIVD | G1 | Yes | APB loss | No | No | Hand grip | Well decompression | Rehabilitation |
2 | 58 | M | C5-6 | HIVD OPLL | G3 | Yes | APB, TA, AH loss | No | No | Below lesion | Hematoma | Hematoma revision |
3 | 47 | F | C5-6, C6-7 | HIVD | G3 | No | No | No | No | Below lesion | Hematoma | Hematoma revision |
4 | 70 | F | C4-5, C5-6 | HIVD OPLL | G3 | Yes | Deltoid loss | No | No | Shoulder abduction | Well decompression | Rehabilitation |
5 | 73 | M | C4-5, C5-6 | HIVD | G3 | Yes | Deltoid loss | No | No | Shoulder abduction | Well decompression | Rehabilitation |
6 | 64 | M | C4-5, C6-7 | HIVD OPLL | G3 | Yes | Unobtainable from baseline | No | No | Below lesion | Well decompression + Myelopathy on C4-5 level | Rehabilitation |
Pt No. = patient number; ACDF = anterior cervical discectomy and fusion; Cent = central canal; Fora = foramen; Op = operation; F = female, M = male; HIVD = herniated intervertebral disc; OPLL = ossification of posterior longitudinal ligament; APB = abductor pollicis brevis, TA = tibialis anterior, AH = abductor halluces.