Fig. 4

Typical complications of CFP stems in the two groups. a. In the PA group, a 50-year-old male suffered from prosthesis dislocation 3 months after the operation. b. In the DAA group, intraoperative periprosthetic femoral fracture occurred in a 58-year-old female with left acetabular dysplasia. The operator treated the fracture by using a cerclage cable. c. A 65-year-old male patient in the PA group with left osteonecrosis of the femoral head. This patient developed left hip pain 4 years after THA. Aseptic loosening of the prosthesis was diagnosed after radiographic examination