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Polymethylmethacrylate removal from the femur using a crescentic window technique
1Division of Orthopedic Surgery, Scripps Clinic and Research Foundation, La Jolla, Calif. 92037, USA.
Orthopedics
|June 27, 1998
Summary
This study presents a novel technique for polymethylmethacrylate removal during hip revision surgery. The method simplifies cement extraction, reduces femoral stress, and allows for versatile prosthesis selection.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Total hip arthroplasty (THA) revision often requires challenging polymethylmethacrylate (PMMA) cement removal.
- Existing techniques can be invasive, time-consuming, and may cause significant stress to the femur.
Observation:
- A modified windowing technique for PMMA removal during THA revision is described.
- This technique involves creating an oblong window in the femur and precise osteotomies.
Findings:
- The described technique requires no specialized instruments and offers flexibility in prosthesis choice (cemented or uncemented).
- It minimizes the duration and extent of stress applied to the femur during the revision procedure.
- The removed cortical window is securely refixed using a single cable.
Implications:
- This approach may offer a less invasive and more adaptable method for PMMA removal in THA revisions.
- It has the potential to improve patient outcomes by reducing intraoperative femoral stress.
- The technique's simplicity and lack of specialized equipment could enhance its widespread adoption.