Hybrid total hip arthroplasty 28 years after Pol Le Cœur triple pelvic osteotomy used for the treatment of developmental dysplasia of the hip: a case report.

A 35-year-old female patient with acetabular dysplasia underwent a Pol Le Cœur triple pelvic osteotomy (TPO). Twenty-eight years later, she presented with painful end-stage hip osteoarthritis and underwent total hip arthroplasty (THA). A press-fit cementless acetabular cup and a cemented straight femoral stem were implanted without complications. At 13-year follow-up, hip radiographs revealed no signs of prothesis instability and no signs of implant loosening. TPO may not completely prevent the progression of hip osteoarthritis. In this case, the patient developed progressive end-stage osteoarthritis 28 years after the osteotomy, requiring THA. Pol Le Cœur TPO is a viable treatment option for symptomatic acetabular dysplasia in younger adults with low-grade osteoarthritis, effectively delaying hip prosthesis implantation. Hybrid THA after TPO can yield very satisfactory clinical and radiographic outcomes at mid-term follow-up.