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Percutaneous arterial grafting.

A H Cragg, G Lund, J A Rysavy

    Radiology
    |January 1, 1984
    PubMed
    Summary
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    Researchers developed a novel percutaneous arterial grafting technique using nitinol coils. This innovative method shows promise for treating both obstructive and aneurysmal arterial diseases.

    Area of Science:

    • Biomaterials Science
    • Vascular Surgery
    • Medical Devices

    Background:

    • Arterial diseases, including obstructive conditions and aneurysms, require effective treatment options.
    • Percutaneous techniques offer less invasive approaches compared to traditional open surgery.

    Purpose of the Study:

    • To develop and evaluate a new percutaneous arterial grafting technique.
    • To assess the feasibility and efficacy of nitinol coils for arterial repair.

    Main Methods:

    • A novel nitinol coil system was designed for percutaneous arterial grafting.
    • Ten nitinol coils were implanted via catheter into the iliac artery or abdominal aorta of nine animals.
    • Graft patency and aneurysm treatment were assessed over a 15-week period.

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    Main Results:

    • Long-term patency (15 weeks) was achieved in 90% of the nitinol grafts.
    • Successful treatment of an experimentally induced abdominal aortic aneurysm using a nitinol graft was demonstrated.
    • The nitinol grafts maintained their structure and function in the animal models.

    Conclusions:

    • Percutaneous arterial grafting with nitinol coils is a viable technique.
    • This method shows potential for treating both obstructive and aneurysmal arterial diseases.
    • Nitinol's unique properties make it suitable for developing advanced vascular grafts.