Related Experiment Videos
Massive osteolysis after ceramic on ceramic total hip arthroplasty. A case report
1Department of Orthopaedic Surgery, University of California, Los Angeles 90024, USA.
Clinical Orthopaedics and Related Research
|May 1, 1997
Summary
A patient experienced a femur fracture due to extensive bone loss around a hip implant with ceramic bearings. Analysis revealed high levels of aluminum debris, suggesting alumina ceramic may not be biologically inert.
Area of Science:
- Orthopedic surgery
- Biomaterials science
- Pathology
Background:
- Hip replacement surgery often utilizes ceramic-on-ceramic bearings for longevity.
- Osteolysis, or bone loss, is a known complication following joint arthroplasty.
- The biological response to wear debris from ceramic implants is not fully understood.
Observation:
- A 66-year-old woman presented with a pathologic femur fracture distal to a press-fit femoral prosthesis.
- The ceramic-on-ceramic bearing surfaces exhibited visible wear.
- Material analysis from the osteolytic area revealed abundant histiocytes and foreign body debris, with aluminum significantly exceeding cobalt and chromium.
Findings:
- Extensive osteolysis was observed around the femoral prosthesis.
- Spectrographic analysis indicated a high concentration of aluminum in the retrieved material.
- The findings suggest a potential inflammatory or adverse reaction to alumina ceramic debris.
Implications:
- Alumina ceramic debris may elicit a significant biological response, contributing to osteolysis.
- The assumption of complete biological inertness for alumina ceramic bearings may need re-evaluation.
- Further research is warranted to understand the cellular mechanisms involved in ceramic debris-induced osteolysis.