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AML bipolar arthroplasty for degenerative hip arthritis
J A Shaw1, R B Greer, C D Kollas
1Division of Orthopedic Surgery, Milton S. Hershey Medical Center, Pennsylvania State University College of Medicine, Hershey 17033.
Orthopedics
|October 1, 1987
Summary
This study on total hip arthroplasty found that uncemented AML femoral components and bipolar acetabular components offer reliable hip replacements. Patients reported high satisfaction with few complications and stable component appearance.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
Background:
- Degenerative arthritis necessitates hip joint replacement for pain relief and improved mobility.
- Traditional cemented prostheses have limitations, driving innovation in uncemented designs.
Purpose of the Study:
- To evaluate the clinical outcomes and radiographic stability of primary total hip arthroplasty (THA) using an uncemented AML porous coated femoral component and a bipolar acetabular component.
- To assess patient satisfaction and complication rates associated with this THA technique.
Main Methods:
- Prospective study of 50 consecutive patients undergoing primary THA.
- Utilized an uncemented AML porous coated femoral component and a bipolar acetabular component.
- Follow-up review of 43 patients (48 hips) at 2 to 3 years post-surgery.
Main Results:
- High patient satisfaction rates reported.
- Low incidence of procedure-related complications observed.
- Consistent radiographic stability of both femoral and acetabular components demonstrated.
Conclusions:
- Primary THA with uncemented AML porous coated femoral and bipolar acetabular components is a reliable procedure.
- This THA approach yields favorable short-term outcomes, including high patient satisfaction and stable component integration.
- The prosthesis demonstrates potential for long-term success in managing degenerative arthritis of the hip.

