Table 2.
Complications or additional surgery after periacetabular osteotomy (PAO) surgery on 1,385 hips
| Type of complication | n (% of entire cohort) | Period min–max |
|---|---|---|
| Additional surgery | ||
| Screw removal | 173 (12.5) | 0.3–11 years |
| Hip arthroscopy | 154 (11.1) | 0.4–9 years |
| Total hip arthroplasty | 73 (5.3) | 0.6–14 years |
| Open cheilectomy | 1 (0.07) | 6 years |
| Complications | ||
| Nonunion | 6 (0.4) | 0.5–7 years |
| Superficial wound infection | 3 (0.2) | 23–89 days |
| Revision PAO | 2 (0.1) | |
| < 1 month after PAO | 1 (0.07) | 3 days |
| > 1 month after PAO | 1 (0.07) | 0.7 years |
| Bleeding from corona mortis (coiled) | 1 (0.07) | 0 days |
| Open exploration of soft tissue | 1 (0.07) | 1 year |
| Unrelated to PAO surgery | 11 (0.9) | |
| Z-plasty of the iliotibial band | 8 (0.6) | 0.8–10 years |
| Soft tissue biopsy | 1 (0.07) | 6 years |
| Femoral fracture | 1 (0.07) | 6 years |
| Tumor excision | 1 (0.07) | 7 years |