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Hyperextension complicating total knee replacement.

R W Dennis, S K Yamamoto

    Physical Therapy
    |February 1, 1976
    PubMed
    Summary

    A novel orthosis effectively corrected hyperextension in an elderly patient with bilateral knee replacements. This innovation enabled the patient to regain mobility and independence in daily activities.

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    Area of Science:

    • Orthopedics
    • Biomedical Engineering
    • Rehabilitation Medicine

    Background:

    • Total knee replacement (TKR) is a common procedure for end-stage knee osteoarthritis.
    • Hyperextension is a potential complication following TKR, impacting joint stability and function.
    • Restoring ambulation and independence in daily living activities is a primary goal post-TKR.

    Observation:

    • An elderly patient with bilateral TKR presented with problematic hyperextension in one knee prosthesis.
    • This hyperextension significantly impaired the patient's mobility and functional independence.
    • Standard management approaches may not always fully address such complex complications.

    Findings:

    • A newly developed orthosis was custom-fitted to the patient.
    • The orthosis successfully corrected the problematic knee hyperextension.
    • The patient demonstrated significant functional improvement after orthotic intervention.

    Implications:

    • This case highlights the potential of specialized orthotic devices in managing complex TKR complications.
    • Effective management of hyperextension can lead to improved patient outcomes, including enhanced mobility and independence.
    • Further research into novel orthotic designs may benefit patients with challenging post-surgical joint instability.

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