Table 1.
Comparisons of studies reporting reconstructions for severe acetabular bone loss
| Author | Number and severity of acetabular reconstructions | Reconstruction technique for IIIA defects | Mean followup | Mean postoperative hip score | Failure resulting from aseptic loosening | Other complications requiring reoperation |
|---|---|---|---|---|---|---|
| Garbuz et al. [6] | 33 hips with “major” (> 50% of cup support by graft) bone loss | Cage and structural allograft | 85 months (range, 60–132) | Not specified; 55% of patients obtained 20 points or greater increase in Harris hip score | 14 (42%) 8 graft failures and 6 loose cups | Sciatic nerve palsy requiring exploration (1) |
| Woodgate et al. [22] | 51 hips requiring superior/lateral allograft buttress (all with > 50% cup/host bone contact) | Porous coated acetabular component with allograft buttress | 119 months (range, 68–195) | Not specified | 11 (22%) | Not specified |
| Sporer et al. [14] | 23 IIIA | Porous-coated acetabular component with distal femoral allograft buttress | 10.3 years | Modified Merle D’Aubigne and Postel 10 | 5 (22%) | Not specified |
| Weeden and Schmidt [21] | 43 acetabular reconstructions; 33 IIIA and 10 IIIB | Porous tantalum cup in all cases, 13/33 IIIA with porous tantalum augments | 34 months (range, 24–48) | Harris hip score 84 (range, 28–100) | 0 | Infection requiring component resection (1) |
| Flecher et al. [4] | 23 acetabular reconstructions; 17 IIIA and 6 IIIB | Porous tantalum cup in all cases, 11/17 IIIA with porous tantalum augments | 35 months (range, 24–50) | Modified Merle D’Aubigne and Postel 10.6 (range, 8–12) | 0 | Recurrent instability (1) |
| Lingaraj et al. [9] | 23 acetabular reconstructions; 17 IIIA and 6 IIIB | Porous tantalum cup and augments in all cases | 41 months (range, 24–62) | Harris hip score 75.7 (range, 53–00) | 0 | Recurrent instability (2), Infection requiring irrigation and débridement (1) |
| Van Kleunen et al. [20] | 97 acetabular reconstructions; 24 IIA, 19 IIB, 19 IIC, 19 IIIA, and 16 IIIB | Porous tantalum cup in all cases and 23 cases (not specified) with augments | 45 months (range, 24–79) | Harris hip score 76 (range, 25–100) | 0 | Infection component removal (8), recurrent instability (2), hematoma (4), liner failure (3) |
| Current study | 37 IIIA acetabular reconstructions | Porous tantalum cup and augments in all cases | 60 months (range, 26–106) | Harris hip score 81.5 (range, 27.0–99.8) | 1 (2.7%) | Recurrent instability (5), infection requiring irrigation and débridement (4), periprosthetic femoral fracture (2) |