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Total shoulder arthroplasty.

W P Barrett, J L Franklin, S E Jackins

    The Journal of Bone and Joint Surgery. American Volume
    |July 1, 1987
    PubMed
    Summary
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    Total shoulder replacement using the Neer-II system significantly reduced pain and improved range of motion in patients with osteoarthritis and other shoulder conditions. Most patients reported better function and satisfaction after the procedure.

    Area of Science:

    • Orthopedic Surgery
    • Biomedical Engineering

    Background:

    • Osteoarthritis, rheumatoid arthritis, and humeral head fractures are common causes of shoulder pain and dysfunction.
    • Total shoulder arthroplasty is a surgical option for severe shoulder joint damage.

    Purpose of the Study:

    • To evaluate the clinical outcomes of Neer-II total shoulder replacement with non-metal-backed components.
    • To assess pain, range of motion, functional improvement, and patient satisfaction after surgery.

    Main Methods:

    • Prospective study of 50 total shoulder replacements in 44 patients.
    • Follow-up averaged 3.5 years.
    • Neer-II system with non-metal-backed components used in all cases.

    Main Results:

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  • 88% of patients experienced no significant pain post-surgery.
  • Average active forward elevation improved from 71 to 100 degrees.
  • Patient-reported outcomes showed significant improvement in 94% of cases.

    • Conclusions:

    • Neer-II total shoulder replacement provides effective pain relief and functional restoration.
    • The non-metal-backed component demonstrates favorable short-to-medium term results.
    • Glenoid component loosening and malposition were identified as potential complications requiring revision.