Table 2 Outcome of diaphyseal prosthetic reconstruction based on the classification.
All | Type I | Type lla | Type llb | Type llla | Type lllb | Type lV | |
---|---|---|---|---|---|---|---|
(n = 112) | (n = 38) | (n = 29) | (n = 13) | (n = 5) | (n = 22) | (n = 5) | |
Mean operative time, min (SD) | 142.4 (41) | 130 (23.8) | 143 (37.9) | 154 (37.7) | 225 (85.1) | 137 (40.5) | 138 (24.9) |
Mean blood loss, ml (SD) | 658.8 (437.3) | 807.9 (563.5) | 665.5 (314.3) | 669.2 (332.6) | 940 (563.9) | 384.5 (196) | 386 (94.8) |
Mean resection length, mm (SD) | 106.8 (33.3) | 98.4 (11.9) | 105.2 (22.8) | 119.6 (35.6) | 196 (55.5) | 94.5 (26.4) | 112 (25.1) |
Use of chemotherapy, n (%) | 57 (50.9) | 18 (47.4) | 15 (51.7) | 2 (15.4) | 5 (100) | 14 (63.6) | 3 (60) |
Use of radiotherapy, n (%) | 19 (17) | 7 (18.4) | 5 (17.2) | 1 (7.7) | 1 (20) | 5 (22.7) | 0 |
Use of targeted therapy, n (%) | 34 (30.4) | 10 (26.3) | 10 (34.5) | 6 (46.2) | 0 | 7 (31.8) | 1 (20) |
Use of cement, n (%) | 101 (90.2) | 36 (94.7) | 29 (100) | 12 (92.3) | 2 (40) | 21 (95.5) | 1 (20) |
Mean follow‑up, months (range) | 24.1 (0.6–159) | 21.4 (1–70) | 33.4 (5–159) | 19.5 (3–47) | 6.8 (1–12) | 23.1 (0.6–102) | 24.8 (13–148) |
Mean MSTS score (SD) | 24.3 (3.3) | 23.2 (3.6) | 24.9 (3.4) | 23.9 (3.3) | 24.8 (3.3) | 25.3 (2.5) | 25.6 (2.6) |
Complications, n (%) | 18 (16.1) | 8 (21) | 3 (10.3) | 2 (15.4) | 0 | 4 (18.2) | 1 (20) |
Reoperation, n (%) | 7 (6.3) | 2 (5.3) | 1 (3.4) | 2 (15.4) | 0 | 1 (4.5) | 1 (20) |
Prosthetic survival endpoint, n (%) | 10 (8.9) | 3 (7.9) | 2 (6.9) | 2 (15.4) | 0 | 2 (9.1) | 1 (20) |
Dead, n (%) | 59 (52.7) | 26 (68.4) | 15 (51.7) | 5 (38.5) | 1 (20) | 11 (50) | 1 (20) |