A radiographic review of 135 total hip Charnley arthroplasties followed between 15 and 35 years

Augusto Sarmiento, L. L. Latta

Research output: Contribution to journalReview article

4 Scopus citations

Abstract

The long-term radiologically interpreted results of low-friction Charnley hip arthroplasties have been previously suggested to be influenced by surgical details, such as orientation of the femoral component, degree of coverage of the plastic acetabulum and other features. We carefully analyzed the radiographs of 135 Charnley arthroplasties that had remained functional, had not been revised and had follow-ups between 15 and 35 years. Several common denominators were identified amongst these radiographs: 93.5% arthroplasties had 100% coverage of the acetabular component; 88% had acetabular inclination between 40-45°; 84.5% had a proximal/medial column of cement between 3 and 5 millimeters at the level of femoral head resection; 81% had a femoral canal/stem ratio more than 50%; and 84% had a column of cement that extended below the tip of the prosthesis. This study supports the importance of technical surgical details that enhance the chances of long-term survival of cemented total hip arthroplasties.

Original languageEnglish (US)
Pages (from-to)145-150
Number of pages6
JournalActa Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
Volume73
Issue number3
StatePublished - Jun 1 2006

Keywords

  • Charnley
  • Long-term follow up
  • Total hip

ASJC Scopus subject areas

  • Surgery

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