Table 2.
Review of previous studies on hemipelvic reconstruction of the acetabulum, the proportion of patients with complications, and functional outcomes
| Study | Number of patients | Diagnosis (primary or metastatic tumor) | Reconstruction method | Follow-up (months, range) | Complications | Function |
| Current study | 13 | 13/0 | Custom-made endoprosthesis | Median 27 (24-31) | Delayed wound healing (two of 13 patients) | Median MSTS-93 score 22 of 30 |
| Liu et al. [36] | 38 | 38/0 | 19 custom-made endoprostheses 19 modular endoprostheses |
Mean 30 | Recurrence (nine of 38 patients), dislocation (four of 38 patients), loosening (four of 38 patients) | Mean MSTS-93 score 22 of 30 |
| Wang et al. [49] | 11 | 10/1 | Custom-made endoprosthesis | Mean 16 (6-24) | Dislocation (two of 11 patients) | Mean MSTS-93 score 19 of 30 |
| Holzapfel et al. [25] | 56 | 28/28 | Custom-made endoprosthesis | Mean 66 (1-270) | Deep infection (14 of 56 patients), recurrence (10 of 56 patients), dislocation (11 of 56 patients), loosening (three of 56 patients) | Mean MSTS-93 score 18 of 30 |
| Sun et al. [45] | 16 | 16/0 | Custom-made endoprosthesis | Mean 36 (23-62) | Deep infection (one of 16 patients), dislocation (three of 16 patients), recurrence (three of 16 patients), prosthesis breakage (four of 16 patients) | Mean MSTS-93 score 21 of 30 |
| Witte et al. [52] | 40 | 29/11 | Custom-made endoprosthesis | Mean 24 (1-60) | Infection (12 of 40 patients), recurrence (nine of 40 patients), loosening (eight of 40 patients), dislocation (one of 40 patients) | Mean MSTS-93 score 15 of 30 |
| Jaiswal et al. [27] | 98 | 96/0 | Custom-made endoprosthesis | Mean 91 (3-396) | Deep infection (17 of 98 patients), recurrence (29 of 98 patients), dislocation (19 of 98 patients), loosening (three of 98 patients) | Mean TESS 59.4% |
| Dai et al. [10] | 10 | 7/3 | Custom-made endoprosthesis | Mean 34 (21-48) | Deep infection (three of 10 patients), loosening (one of 10 patients), recurrence (three of 10 patients), dislocation (two of 10 patients) | Good function in seven of 10 patients |
| Ozaki et al. [41] | 12 | 12/0 | Custom-made endoprosthesis | Mean 57 (26-77) | Deep infection (three of 12 patients), loosening (three of 12 patients), recurrence (four of 12 patients), dislocation (one of 12 patients) | Mean MSTS-87 score 11 of 30 |
| Abudu et al. [2] | 35 | 32/3 | Custom-made endoprosthesis | Mean 84 (12-312) | Deep infection (nine of 35 patients), recurrence (eight of 35 patients), dislocation (six of 35 patients), loosening (two of 35 patients) | Mean MSTS-93 score 21 of 30 |
| Bruns et al. [7] | 15 | 11/4 | Custom-made endoprosthesis | Maximum 60 | Infection (two of 15 patients), recurrence (two of 15 patients) | Mean MSTS-87 score 15 of 30 |
| Windhager et al. [51] | 21 | 21/0 | Nine saddle endoprostheses, six custom-made endoprostheses | Mean 29 (15-48) | Infection (four of 21 patients), Dislocation (one of 21 patients) | 60% had good function |
| Campanacci et al. [9] | 33 | 32/1 | Allograft | Mean 33 (2-143) | Infection (five of 33 patients), dislocation (six of 33 patients), loosening (two of 33 patients) | Mean MSTS-93 score 18 of 30 |
| Donati et al. [12] | 35 | 35/0 | Alloprosthetic composite | Mean 120 (61-188) | Infection (eight of 35 patients), nonunion (seven of 35 patients), fracture (five of 35 patients) | Mean MSTS-93 score 21 of 30 |
| Gebert et al. [18] | 62 | 61/1 | Hip transposition | Mean 43 (5-185) | Local relapse (six of 62 patients), local recurrence (six of 62 patients), wound healing problems (14 of 62 patients), deep infection (20 of 62 patients) | Mean MSTS-93 score 19 of 30 |
| Lin et al. [35] | 11 | 11/0 | Autograft | Mean 37 (13-96) | Mechanical failure (two of 11 patients), nonunion (one of 11 patients), infection (two of 11 patients) | Median MSTS-93 score 21 of 30 points |
| Bus et al. [8] | 47 | 38/9 | Pedestal cup endoprosthesis | Minimum 24 months | Dislocation (10 of 47 patients); aseptic loosening (three of 47 patients), deep infection (13 of 47 patients), recurrence (six of 47 patients) | Mean MSTS-93 score 21 of 30 points |
| Jansen et al. [28] | 17 | 16/1 | Saddle endoprosthesis | Mean 145 (100-202) | Dislocation (seven of 17 patients), deep infection (three of 17 patients) | Mean MSTS-93 score 14 of 30 points |
| Guo et al. [21] | 28 | 24/4 | Modular endoprosthesis | Mean 30 (10-59) | Deep infection (four of 28 patients), wound complication (six of 28 patients), dislocation (one of 28 patients), local recurrence (seven of 28 patients) | Mean MSTS-93 score 18 of 30 points |
| Takami et al. [47] | 5 | 5/0 | Flail hip | Median 26 (14-98) | Deep infection (one of five patients) | Median MSTS-87 score 21 of 30 points |
| Schwartz et al. [43] | 8 | 8/0 | Flail hip | Mean 98 (13-272) | Mean MSTS-93 score 22 of 30 points |
MSTS = Musculoskeletal Tumor Society; TESS = Toronto Extremity Salvage Score.