Table 1 Preoperative patient characteristics
Characteristics | Value |
|---|---|
Number of hips | 71 |
Age at surgery (years), mean ± SD (range) | 71 ± 12.3 (34 − 92) |
Sex, male:female | 19:52 |
Follow-up period (years), mean ± SD (range) | 4.7 ± 3.2 (1 − 14) |
Duration between dislocation and revision surgery | |
<2 year ≥2 year | 40 31 |
Direction of dislocation | |
Anterior Posterior Unknown | 32 16 23 |
Previous surgery (times) | |
1 (Primary THA) 2 ≥3 | 45 17 9 |
Previous approach | |
Anterolateral Posterior Greater trochanteric osteotomy Unknown | 41 17 1 12 |
Previous operating institution | |
Our hospital Other hospital | 22 49 |
Previous fixation method | |
Cement Cementless Hybrid | 55 12 4 |
Causes of revision surgery for recurrent dislocation a | |
Type I (positional) Type II (soft tissue imbalance) Type III (component malposition only) | 2 58 11 |