Table 5.
Comparison of offset change after acetabular reconstruction
| Study | Number of surgeries | Paprosky type (number) | Followup* (months) | Survivorship (%) | Augments required in surgery (total number used) | Mean pre- to postoperative change in prosthetic head center (mm) | |
|---|---|---|---|---|---|---|---|
| Vertical (− = inferior) | Horizontal (+ = lateral) | ||||||
| Ballester Alfaro and Sueiro Fernández [1] | 19 | IIIA 13 IIIB 6 |
26 (18–43) | 100 | 14 (all buttress augments) (5 cup-cages) | −21 | +16 |
| Fernandez-Fairen et al. [8] | 263 | I 20 IIA 73 IIB 82 IIC 39 IIIA 40 IIIB 9 |
73.6 (60–84) | 99.2 | 34 IIB 3 IIIA 22 IIIB 9 |
−22 | +15 |
| Flecher et al. [9] | 23 | IIIA 17 IIIB 6 |
35 (24–50) | 100 | 14 (16) | −15 | +15 |
| Weeden and Schmidt [17] | 43 | IIIA 33 IIIB 10 |
34 (24–48) | 98 | 26 (all 10 IIIB cases used augments) (2 cup-cages) | −19 | Not reported |
| Blumenfeld and Bargar | 8 | IIC 3 IIIA 4 IIIB 1 |
28 (12–50) | 100 | 1 | −18 | +11 |
* Values are expressed as mean, with range in parentheses.