Podium (General) 05

Infection rates in patients who underwent revision hip arthroplasty augmented with femoral head allografts

Francesco Antonio T. Valdeca�as MD

As total hip replacement surgeries are being done on younger, more active patients, the number of patients requiring revision surgery is also increasing. One of the challenges of this procedure is having a large acetabular defect, in which augmentation using femoral head allografts is a viable option. This is a single-center retrospective case series documenting our local experience with our institution’s internal tissue and bone bank. We report the demographics and clinical and functional outcomes of 10 hips from 8 patients of the Philippine General Hospital. All patients underwent revision hip arthroplasty augmented with femoral head allografts during the period of 2007-2019. The mean age of the patients at the time of surgery was 59.3 [range 52-67 years old], five patients were female while 3 were male. Of the 10 hips which underwent revision, 5 were due to aseptic loosening, 3 were due to periprosthetic joint infection, and 2 were due to protrusio acetabuli of previous hemiarthroplasty implants. Average follow-up duration was 38.4 months. All patients had significant improvements in function as assessed by the Harris Hip Score. No complications requiring further surgeries were identified during this follow-up period. Results of our study show that, in our study population, femoral head allografts used to reconstruct acetabular defects in revision hip arthroplasty had good clinical and functional outcomes.

Key Words: infection, joint replacement surgery, bone grafting, revision hip arthroplasty