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We describe a modified surgical technique for the reconstruction of major acetabular defects using a coned acetabular component (the Stanmore 'ice-cream' cone prosthesis) and report its early clinical outcomes. A single surgeon performed 28 acetabular reconstructions using a stemmed-cone acetabular prosthesis (mean age 70.9 years; 61% female) in 15 oncology patients with periacetabular metastases and 13 patients requiring complex arthroplasty procedures. Defects were graded using the Paprosky classification (10 = 3A; 8 = 3B; 10 = pelvic discontinuity). All procedures were performed without fluoroscopy using an extended posterior hip approach. Mean operative time (including anaesthesia) was 133 minutes; there were no intraoperative complications. Postoperative complications had occurred in 14% (n = 4), at a mean follow-up of 12.5 months (range: 2-33 months). There were no failures in patients with pelvic discontinuity. The stemmed-cone acetabular prosthesis was found to provide a useful method for acetabular reconstruction (including pelvic discontinuity) in both complex oncological and hip arthroplasty cases.

Type

Journal article

Journal

Acta Orthop Belg

Publication Date

12/2013

Volume

79

Pages

680 - 688

Keywords

Acetabulum, Aged, Aged, 80 and over, Arthroplasty, Replacement, Hip, Bone Neoplasms, Female, Fractures, Bone, Hip Prosthesis, Humans, Male, Middle Aged, Pelvic Bones, Prosthesis Design, Reconstructive Surgical Procedures, Reoperation, Retrospective Studies, Treatment Failure