Table 5 Summary of surgical outcomes
Case | No. of inj. | Duration of effect of inj. | Post-op relief in leg symptoms | Remaining symptoms and remarks | VAS (mm) at follow-up | RDQ at follow-up | Follow-up periods (mon) |
|---|---|---|---|---|---|---|---|
1 | 90 | 3 d | Complete | 17 | 1 | 47 | |
2 | 33 | 3 d | Relief for 26 mon | Thigh pain recurred 26 mon after surgery | 70 | 9 | 37 |
3 | 25 | 3.5 d | Almost complete | Subtle discomfort in R sole | 0 | 0 | 30 |
4 | 37 | 1.5 d | Relief for 7 mon | Buttock pain recurred 7 mon after surgery | 50 | 11 | 20 |
5 | 9 | 3 d | Occasional LBP | 40 | 8 | 23 | |
6 | 5 | 3 d | No improvement | 50% relief only for LBP | 29 | 9 | 8 |
7 | 4 | 0.5 d | Complete | 5 | 2 | 12 | |
8 | 5 | 3 hr | 70% relief | Calf pain and limitation in lumbar extension remained | 25 | 9 | 6 |
9 | 3 | 3 d | Complete | 0 | 0 | 12 | |
10 | 11 | 1 d | 70% relief for 3 mon | Leg tingling recurred 3 mon after surgery | 70 | 9 | 7 |
11 | 23 | 1 d | 50% relief for 8 mon | LBP recurred 8 mon after surgery | 50 | 13 | 8 |
12 | 3 | 1.5 d | 0 | 0 | 14 | ||
13 | 9 | 2 hr | No improvement | Temporal relief only for LBP; LBP recurred 1 mon after surgery | 40 | 16 | 13 |
14 | 4 | 1 d | Relief for 3 weeks | Leg pain recurred 3 weeks after surgery | 100 | 16 | 12 |
15 | 4 | 2.5 hr | Thigh tingling completely relieved | Toes pain was unchanged | 0 | 14 | 8 |
16 | 4 | 1 hr | 60% relief in calf to foot pain | Posterior thigh pain unchanged | 30 | 9 | 8 |
17 | 3 | 10 d | Almost complete | Occasional groin pain | 10 | 0 | 5 |
18 | 3 | 0.5 d | Occasional LBP | 17 | 9 | 14 | |
19 | 7 | 2.5 hr | No improvement | Lateral foot pain unchanged but gradually aggravated during the follow-up period | 80 | 7 | 6 |