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Related Experiment Videos

[The total shoulder prosthesis].

F Mazas1, O Gagey

  • 1Service d'orthopédie, hôpital de Bicêtre, Le Kremlin-Bicêtre.

La Revue Du Praticien
|April 11, 1990
PubMed
Summary
This summary is machine-generated.

Prosthetic shoulder replacement faces challenges with shallow joint cavities and fixation difficulties. While pain relief is common, radiological concerns like bone-cement cracks and rotator cuff issues require careful consideration for specific patient groups.

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Area of Science:

  • Orthopedic surgery
  • Biomedical engineering

Context:

  • Prosthetic shoulder replacement presents significant biomechanical challenges.
  • Shallow glenoid cavities and small glenoid surfaces complicate prosthetic fixation.
  • Current non-retentive prostheses aim to replicate natural joint anatomy.

Purpose:

  • To review the current state and challenges of prosthetic shoulder replacement.
  • To evaluate the clinical and radiological outcomes of existing prostheses.
  • To identify optimal indications and limitations for shoulder arthroplasty.

Summary:

  • Prosthetic shoulder replacement is hindered by shallow articular cavities and difficulties in attaching components to the small glenoid surface.
  • Current non-retentive prostheses offer pain relief but show concerning radiological signs of loosening and cracks at the bone-cement interface.

Related Experiment Videos

  • Large rotator cuff tears remain a challenge, necessitating cautious use of prostheses, ideally before rotator cuff destruction.

    • Impact:

    • Highlights the need for improved fixation techniques and implant designs in shoulder arthroplasty.
    • Suggests careful patient selection, particularly for shoulders with significant rotator cuff pathology.
    • Identifies glenohumeral osteoarthritis, rheumatoid arthritis, and tumoral head necrosis as primary indications.