Parameters | Numbers |
---|---|
No. of patients | 31 |
Male: female (no. of pts) | 19: 12 |
Age (years) a | 62 (32) |
Primary diagnosis (no. of pts., %) | |
 Osteonecrosis of the femoral head | 16 (51.6%) |
 Developmental dysplasia of the hip | 7 (22.6%) |
 Primary osteoarthritis | 5 (16.1%) |
 Femoral neck fractures | 2 (6.5%) |
 Rheumatoid arthritis | 1 (3.2%) |
Time from primary to revision THA (years) a | 6.4 (7.8) |
Reason for revision (no. of pts., %) | |
 PFF | 12 (38.7%) |
 AL | 10 (32.3%) |
 PJI | 9 (29.0%) |
Fixation of previous femoral stems (no. of pts., %) | |
 Cement | 20 (64.5%) |
 Cementless | 11 (35.5%) |
Degree of femoral bone defects (Paprosky classification) | |
 Type IIIA | 19 (61.3%) |
 Type IIIB | 9 (29.0%) |
 Type IV | 3 (9.7%) |
ETO utilized | 7 (22.6%) |
Follow-up (years) b | 11.0 ± 1.5 (range, 8.1–13.5) |