Table 2 Relationship between dislocation causes and revision hip surgeries for recurrent dislocation
Revision hip surgery | Type I (n = 2) | Type II (n = 58) | Type III (n = 11) |
|---|---|---|---|
Group A: Open reduction and internal fixation | - | 2 | - |
Group B: Head change or liner change only | - | 2 + (1) | 3 |
Group C: Cup change with increased head size only | (1) | 10 | 3 |
Group D: Stem change only | - | 6 | 1 |
Group E: Cup and stem change | (1) | 18 + (1) | 3 + (1) |
Group F: Conversion to constrained cup | - | 18 | - |