Table 1. Outcomes of percutaneous ablation of bone metastases for pain palliation.
| First author | Year | Ablation device | No. of patients (no. of tumors) | Mean tumor size (cm) | Mean pain score change a | No. of patients with reduced pain (%) | Follow-up (mo) |
|---|---|---|---|---|---|---|---|
| Tanigawa 39 | 2018 | RFA | 33 (33) | 6.1 | 6.1–1.3 (4.8/10) | 23 (70) | 12 |
| Bagla 37 | 2016 | RFA | 50 (69) | NR | 5.9–2.1 (3.8/10) | 34 (68) | 3 |
| Tomasian 41 | 2016 | CA | 14 (31) | NR | 8–3 (5/10) | 14 (100) | 10 |
| Wallace 42 | 2015 | RFA | 72 (110) | NR | 8.0–2.9 (5.1/10) | 45 of 58 (78) | 1 |
| Prologo 40 | 2014 | CA | 50 (54) | NR | 8 to 3 (5/10) | 47 (94) | 3 |
| Callstrom 35 | 2013 | CA | 61 (69) | 4.8 | 7.1–1.4 (5.7/10) | 42 (69) | 6 |
| Pusceddu 44 | 2013 | MWA | 18 (21) | 5.3 | 5.6–0.5 (5.1/10) | 17 (94) | 3 |
| Kastler 46 | 2013 | MWA | 15 (25) | 4.7 | 7.2–1.8 (5.4/10) | 14 (93) | 6 |
| Dupuy 36 | 2010 | RFA | 55 (55) | 5.2 | NR (14.2/100) | NR | 3 |
| Goetz 34 | 2004 | RFA | 43 (43) | 6.3 | 7.9–1.4 (6.5/10) | 41 (95) | 6 |
Abbreviations: CA, cryoablation; MWA, microwave ablation; NR, not reported; RFA, radiofrequency ablation.
a
Mean score for maximal pain (mean score reduction/total points of pain scale used).