Femoral head viability following resurfacing arthroplasty. A clinical positron emission tomography study.
case_series · Level IV
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Abstract
Hip resurfacing (HR) carries attendant risks of avascular necrosis (AVN) and femoral neck fracture. We used fluoride positron emission tomography (PET) scans to analyze bone metabolism 2-5 years after surgery in 35 cases. Three of the patients had been clinical failures. Using PET scans in the remaining 32 cases, 7 were found to have an area of non-viable bone in the femoral head. This was seen following both posterior and antero lateral approaches. Fluoride PET is a sensitive and useful method for evaluating bone metabolism following HR.
Medical subject headings
- Arthroplasty, Replacement, Hip
- Femur Head
- Femur Head Necrosis
- Hip Prosthesis
- Positron-Emission Tomography
Anatomy
- femur
- hip