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Related Experiment Videos

The rationale for cemented total hip arthroplasty

B G Evans1, E A Salvati, M H Huo

  • 1Department of Orthopaedic Surgery, Georgetown University Medical Center, Washington, DC.

The Orthopedic Clinics of North America
|October 1, 1993
PubMed
Summary
This summary is machine-generated.

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Cemented total hip arthroplasty (THA) shows excellent long-term survival, outperforming noncemented designs. Improved cementing techniques enhance fixation and performance, establishing cemented THA as the gold standard.

Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science
  • Arthroplasty Research

Background:

  • Early Charnley cemented total hip arthroplasties (THAs) exhibit exceptional long-term survival rates.
  • Advancements in cementing techniques have improved femoral fixation quality and performance.
  • Noncemented designs have not yet matched the long-term results of cemented THAs.

Purpose of the Study:

  • To evaluate the long-term outcomes of cemented THAs.
  • To compare the performance of cemented versus noncemented hip arthroplasty designs.
  • To investigate the role of polyethylene and metallic debris in osteolysis and arthroplasty failure.

Main Methods:

  • Long-term follow-up of early Charnley cemented THAs.
  • Review of recent reports on osteolysis in noncemented prostheses.

Related Experiment Videos

  • Analysis of polyethylene debris production and its impact.
  • Assessment of metal-backed acetabular components and titanium alloy articulating surfaces.
  • Evaluation of polymodular femoral components and metallic debris generation.

    • Main Results:

    • Cemented THAs demonstrate excellent survival rates.
    • Noncemented designs show earlier osteolysis, linked to polyethylene debris.
    • Metal backing may increase polyethylene wear and stress.
    • Titanium alloy articulating surfaces lead to metallosis and osteolysis.
    • Polymodular components may produce excessive metallic debris.

    Conclusions:

    • Cemented THA remains the gold standard for hip arthroplasty fixation.
    • Current cementing techniques provide consistently good performance.
    • Noncemented designs and certain material choices (titanium alloy, metal backing) present risks of osteolysis and early failure.
    • Further research is needed to optimize arthroplasty designs and materials.