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Related Experiment Videos

Ring total hip replacement in osteoarthrosis

R V Lindholm, J Puranen

    Acta Orthopaedica Scandinavica
    |June 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    This study evaluated the Ring total hip prosthesis for osteoarthrosis, finding good or excellent results in over half of patients. However, prosthesis loosening emerged as a significant concern despite a zero mortality rate.

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    Area of Science:

    • Orthopedic Surgery
    • Biomaterials Science

    Background:

    • Osteoarthritis significantly impacts joint function and quality of life.
    • Total hip arthroplasty is a common surgical intervention for severe osteoarthritis.
    • Non-cemented prostheses aim to improve long-term implant stability.

    Purpose of the Study:

    • To evaluate the clinical outcomes of the non-cemented Ring total hip prosthesis.
    • To assess patient satisfaction and functional improvement after hip arthroplasty.
    • To identify complications and long-term challenges associated with this prosthesis.

    Main Methods:

    • Follow-up study of 40 Ring total hip arthroplasties in 37 patients with osteoarthrosis.
    • Surgery performed by orthopedic specialists for painful and stiff joints.

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  • Outcome assessment using a modified Merle d'Aubigné classification system.

    • Main Results:

    • 52.5% of patients achieved excellent or good results; 27.5% had fair results.
    • Zero mortality rate observed in the study cohort.
    • Prosthesis loosening was the primary complication, though often well-tolerated; one case of deep infection required prosthesis removal.

    Conclusions:

    • The Ring total hip prosthesis demonstrates potential for good functional outcomes in osteoarthrosis patients.
    • Prosthesis loosening remains a significant concern requiring further investigation and management strategies.
    • While effective for many, a notable percentage experienced limited improvement, highlighting the need for patient selection and ongoing monitoring.