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Sequential internal mammary-coronary artery bypass.

S S Kabbani, E S Hanna, T T Bashour

    The Journal of Thoracic and Cardiovascular Surgery
    |November 1, 1983
    PubMed
    Summary

    Sequential internal mammary artery (IMA) bypass grafting offers a viable solution for coronary artery disease when vein grafts are unsuitable. This innovative technique resulted in all patients becoming angina-free with patent grafts up to 6 years post-operation.

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    Circulation·2001

    Area of Science:

    • Cardiovascular Surgery
    • Cardiac Surgery Techniques
    • Coronary Artery Bypass Grafting

    Background:

    • Coronary artery disease (CAD) management often relies on vein grafts for bypass surgery.
    • Limitations in vein graft availability or quality can pose challenges in CAD treatment.
    • Alternative graft conduits are essential for complex surgical cases.

    Purpose of the Study:

    • To evaluate the efficacy and safety of sequential internal mammary artery (IMA) grafting in patients with coronary artery disease.
    • To assess the outcomes in patients where traditional vein grafting was not feasible.
    • To determine the long-term patency and clinical benefits of IMA sequential grafts.

    Main Methods:

    • Retrospective analysis of eight patients undergoing sequential IMA bypass grafting from April 1977.

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  • Indications included insufficient vein supply or diseased aortic walls.
  • Grafts targeted specific coronary arteries, including the left anterior descending (LAD) and circumflex branches.

    • Main Results:

    • All eight patients achieved complete angina relief post-operatively.
    • Follow-up extended up to 6 years.
    • Recatheterization in four patients confirmed 100% patency of the sequential IMA grafts.

    Conclusions:

    • Sequential IMA grafting is a safe and effective alternative for CAD patients with contraindications to vein grafts.
    • The procedure demonstrates excellent long-term patency and sustained symptom relief.
    • IMA sequential grafting represents a valuable surgical option for selected CAD patients.