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Muscle blood flow after amputation. Increased flow with medullary plugging.

H K Pilegård, M Rørbaek Madsen, C Hansen-Leth

    Acta Orthopaedica Scandinavica
    |December 1, 1985
    PubMed
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    Bone plugging in below-knee amputation significantly increased muscle blood flow in the tibial stump. This technique enhances blood supply to the quadriceps and triceps surae muscles post-surgery.

    Area of Science:

    • Vascular Surgery
    • Orthopedic Surgery
    • Nuclear Medicine

    Background:

    • Arterial insufficiency often necessitates below-knee amputation.
    • Maintaining adequate muscle blood flow in the residual limb is crucial for healing and function.

    Purpose of the Study:

    • To evaluate the impact of bone plugging in the medullary cavity of the tibial stump on muscle blood flow after below-knee amputation.

    Main Methods:

    • Muscle blood flow was measured using 99mTc pertechnetate clearance in 31 patients undergoing below-knee amputation.
    • Patients were divided into two groups: myoplastic amputation (n=15) and bone plugging of the tibial stump (n=16).
    • Measurements were taken pre- and postoperatively.

    Main Results:

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    • Bone plugging of the tibial stump resulted in a two-third increase in muscle blood flow.
    • This indicates improved vascularization of the quadriceps and triceps surae muscles.

    Conclusions:

    • Bone plugging is an effective technique to enhance muscle blood flow in below-knee amputation stumps.
    • This method may contribute to better outcomes in patients with arterial insufficiency requiring amputation.