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Flexor tendon repair.

R H Gelberman, P R Manske, W H Akeson

    Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society
    |January 1, 1986
    PubMed
    Summary
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    Early protected mobilization significantly enhances canine flexor tendon healing, improving tensile strength and gliding function compared to delayed or no mobilization. This promotes better repair and reduces adhesions.

    Area of Science:

    • Orthopedic Surgery
    • Regenerative Medicine
    • Veterinary Science

    Background:

    • Tendon injuries require effective healing strategies.
    • Understanding the impact of mobilization on tendon repair is crucial for clinical outcomes.

    Purpose of the Study:

    • To investigate the effects of different mobilization protocols on canine flexor tendon healing.
    • To compare early protected mobilization, delayed protected mobilization, and total immobilization.

    Main Methods:

    • Biomechanical, microangiographic, biochemical, and histologic analyses were employed.
    • Canine flexor tendons were studied at various intervals up to 12 weeks post-injury.
    • In vitro studies examined cellular repair processes.

    Main Results:

    Related Experiment Videos

    • Early mobilization resulted in higher tensile strength and improved gliding function.
    • Protected motion accelerated peritendinous vascularization and increased DNA content at repair sites.
    • Immobilization led to adhesions, while mobilization maintained a smooth, adhesion-free gliding surface.

    Conclusions:

    • Early protected mobilization is superior to delayed or no mobilization for canine flexor tendon healing.
    • Mobilization promotes vascularity, cellularity, and prevents adhesions, leading to better functional recovery.
    • Cellular processes like phagocytosis and collagen synthesis are key to tendon repair, influenced by mobilization.