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Decreases in somatosensory evoked potentials as a result of traction or dissection with CUSA*
| Insult | No. of Pts | Outcome |
|---|---|---|
| 1 or 2 SSEP changes: traction | 3 | 3 pts w/o new sensory findings |
| 3 SSEP changes: traction | 2 | 1 pt w/new paresthesia, resolved (8 mos) 1 pt w/new paresthesia, resolved (3 mos) |
| ≥1 CUSA injury | 1 | 1 pt whose preop paresthesia worsened, resolved (24 mos) |
| CUSA injury + 3 SSEP changes | 1 | 1 pt w/new paresthesia, no resolution |
pt(s) = patient(s).
