Table 1.
Pain relief after junctional dorsal root entry zone (DREZ) microcoagulation treatment of pain caused by brachial plexus avulsion*
| Pain after junctional DREZ microcoagulation |
No. (%) of patients evaluated after DREZ microcoagulation |
|||||
|---|---|---|---|---|---|---|
| Degree of pain relief after junctional DREZ coagulation | residual pain (visual analog scale, %) | degree of pain relief (score) | 1 week (n = 26) | 1 y (n = 26) | 3 y (n = 18) | 5 y (n = 17) |
| Complete | 0 | 4 | 12 (46.2) | 8 (30.8) | 3 (16.7) | 2 (11.8) |
| Excellent | 1-30 | 3 | 10 (38.5) | 14 (53.9) | 11 (61.1) | 6 (35.3) |
| Good | 31-50 | 2 | 3 (11.5) | 3 (11.5) | 1 (5.5) | 5 (29.4) |
| Fair | 51-99 | 1 | 1 (3.8) | 1 (3.8) | 3 (16.7) | 4 (23.5) |
| Poor | 100 | 0 | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
*Post hoc analysis: pain relief at 1 week vs 5 years after surgery, P = 0.001; 1 week vs 1 year and 1 week vs 3 years, not statistically significant.