Table 3.
Results of surgical procedures
| MVD (%) | SRS (%) | GLYC (%) | RFT (%) | p | |
|---|---|---|---|---|---|
| n | 93 | 15 | 28 | 17 | |
| No of MDT (%) | 0.445 | ||||
| 1 | 84 (90.3) | 11 (73.3) | 22 (78.6) | 14 (82.4) | |
| 2+ | 9 (9.7) | 4 (26.7) | 6 (21.4) | 3 (17.6) | |
| Drug at first visit (%) | 0.513 | ||||
| Monotherapy | 47 (50.5) | 9 (60.0) | 13 (46.4) | 6 (35.3) | |
| No drugs | 9 (9.7) | 3 (20.0) | 2 (7.1) | 2 (11.8) | |
| Polytherapy | 37 (39.8) | 3 (20.0) | 13 (46.4) | 9 (52.9) | |
| Length of follow up in years (mean (SD)) | 2.53 (2.60) | 4.09 (2.51) | 4.14 (2.69) | 3.16 (2.41) | 0.017 |
| Number reporting any complication | 42 (45) | 3 (20) | 11 (39) | 16 (94) | |
| Pain (%) | <0.001 | ||||
| Pain free off drugs | 64 (71.9) | 2 (14.3) | 10 (38.5) | 8 (50.0) | |
| Pain free on drugs | 8 (9.0) | 5 (35.7) | 7 (26.9) | 0 (0.0) | |
| Mild pain | 6 (6.7) | 2 (14.3) | 5 (19.2) | 3 (18.8) | |
| Moderate pain | 6 (6.7) | 3 (21.4) | 1 (3.8) | 1 (6.2) | |
| Severe pain | 5 (5.6) | 2 (14.3) | 3 (11.5) | 4 (25.0) | |
| Diagnosis= TN (%) | 82 (88.2) | 13 (86.7) | 27 (96.4) | 17 (100.0) | 0.275 |
| MS (%) | 0 (0.0) | 1 (6.7) | 3 (10.7) | 3 (17.6) | 0.003 |
| MDT to surgery in years (mean (SD) | 0.67 (1.21) | 2.03 (2.68) | 1.37 (1.76) | 1.04 (2.30) | 0.014 |
| Repeat surgery same | 5 | 0 | 2 | 5 | |
| Repeat surgery other | 7 | 5 | 7 | 0 |
MVD Microvascular decompression, SRS Stereotactic radiosurgery, GLYC Glycerol rhizotomy, RFT Radiofrequency thermocoagulation, TN Trigeminal neuralgia, MS Multiple sclerosis