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Related Concept Videos

Knee Joint01:23

Knee Joint

3.4K
The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
3.4K

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Related Experiment Video

Updated: May 1, 2026

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty
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In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty

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[Unicompartmental knee replacement].

Victoria B Duthon, Hermes Miozzari

    Revue Medicale Suisse
    |April 4, 2014
    PubMed
    Summary

    Unicompartmental knee arthroplasty (UKA) effectively treats knee arthritis from intra-articular deformity, with a 90% 10-year survival rate. Proper surgical indication and technique minimize failure risks for patients of all ages.

    Area of Science:

    • Orthopedic Surgery
    • Biomedical Engineering
    • Knee Biomechanics

    Context:

    • Unicompartmental knee arthritis (UKA) addresses primary knee joint arthritis.
    • Indications are specific to intra-articular lower-limb deformity, excluding extra-articular causes.
    • Early UKA failures are linked to ligament issues or surgical errors.

    Purpose:

    • To evaluate the efficacy and long-term survival of unicompartmental knee arthroplasty.
    • To define appropriate patient selection criteria for UKA.
    • To analyze factors influencing early and late UKA failures.

    Summary:

    • UKA demonstrates a 90% survival rate at 10 years when indicated for intra-articular knee arthritis.
    • Surgical technique and patient selection are critical for minimizing early (ligamentar/technical) and late (wear/loosening) failures.

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  • UKA is suitable for a wide age range, from young adults (50-60) to octogenarians (>80).

    • Impact:

    • UKA offers a viable treatment option for specific knee arthritis cases, preserving joint function.
    • Patient age is not a contraindication, allowing younger patients to maintain low-impact sports and older patients to benefit from reduced surgical morbidity.
    • Optimizing UKA indications and surgical techniques can improve patient outcomes and implant longevity.