Surgical Technology International XX - Orthopaedic Surgery
Article title:

The Use of Cementless Acetabular Component in Revision Surgery Without Pelvic Discontinuity

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Paolo Cherubino, MD
Professor and Chief, Department of Orthopedics


Fabio D'Angelo, MD
Associate Professor, Department of Orthopedics


Michele Francesco Surace, MD
Associate Professor, Department of Orthopedics


Luigi Murena, MD
Assistant Professor, Department of Orthopedics


Ettore Vulcano, MD
Resident, Department of Orthopedics


University of Insubria
Varese, Italy

Reconstruction of the failed acetabular component in total hip arthroplasty (THA) can be challenging. Although there are multiple reconstructive options available, a cementless acetabular component inserted with screws has been shown to have good intermediate-term results and is the reconstructive method of choice for the majority of acetabular revisions
This reconstruction is feasible provided at least 50% of the implant contacts host bone. When such contact is not possible, and there is adequate medial and peripheral bone, techniques using alternative uncemented implants can be used for acetabular reconstruction. An uncemented cup can be placed at a "high hip center." Alternatively, the acetabular cavity can be progressively reamed to accommodate extra-large cups. Oblong cups, which take advantage of the oval-shaped cavity resulting from many failed acetabular components, can also be used. The success of these cementless techniques depends on the degree and location of bone loss.



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