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Related Experiment Videos

Shoulder arthroplasty for arthritis after instability surgery.

John W Sperling1, Samuel A Antuna, Joaquin Sanchez-Sotelo

  • 1Mayo Clinic and Mayo Foundation, Rochester, Minnesota, USA. sperling.john@mayo.edu

The Journal of Bone and Joint Surgery. American Volume
|October 16, 2002
PubMed
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Shoulder arthroplasty offers pain relief and improved motion for osteoarthritis after instability surgery. However, high revision rates and unsatisfactory outcomes due to component issues and pain are noted in younger patients.

Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Rheumatology

Background:

  • Limited data exists on long-term outcomes of shoulder arthroplasty following instability surgery.
  • Osteoarthritis after shoulder instability surgery presents unique challenges for treatment.
  • This study investigates intermediate to long-term results and risk factors for poor outcomes.

Purpose of the Study:

  • To review the outcomes of shoulder arthroplasty in patients with osteoarthritis secondary to instability surgery.
  • To identify risk factors associated with unsatisfactory results and failure rates.
  • To evaluate the effectiveness of both total shoulder arthroplasty and hemiarthroplasty in this patient cohort.

Main Methods:

  • Retrospective review of 31 patients (31 shoulders) who underwent shoulder arthroplasty between 1978 and 1997.

Related Experiment Videos

  • Patients had glenohumeral arthritis following prior instability surgery.
  • Follow-up was a minimum of two years, assessing pain, range of motion, and revision rates.

    • Main Results:

    • Shoulder arthroplasty significantly improved pain (p < 0.001), external rotation (4° to 43°, p < 0.001), and active abduction (94° to 141°, p < 0.001).
    • No significant difference in outcomes between total shoulder arthroplasty and hemiarthroplasty.
    • High rates of revision surgery (3/10 hemiarthroplasty, 8/21 total arthroplasty) and unsatisfactory results were observed.

    Conclusions:

    • Shoulder arthroplasty provides pain relief and motion improvement in young patients with osteoarthritis after instability surgery.
    • High rates of revision surgery and component failure necessitate careful consideration.
    • Unsatisfactory outcomes are often linked to component failure, instability, and persistent glenoid pain.