Related Experiment Video

Updated: Sep 2, 2026

Evaluation of a Novel Laser-assisted Coronary Anastomotic Connector - the Trinity Clip - in a Porcine Off-pump Bypass Model
12:00

Evaluation of a Novel Laser-assisted Coronary Anastomotic Connector - the Trinity Clip - in a Porcine Off-pump Bypass Model

Published on: November 24, 2014

[Percutaneous transluminal coronary angioplasty after coronary artery bypass]

M Rodeanu, D A Halon, M Y Flugelman

    Harefuah
    |January 1, 1989
    PubMed

    Insights

    Percutaneous transluminal angioplasty (PTCA) effectively treats recurrent angina after coronary artery bypass surgery (CABS). This minimally invasive procedure offers a safer alternative to repeat surgery for many patients.

    Area of Science:

    • Cardiology
    • Interventional Cardiology
    • Vascular Surgery

    Context:

    • Recurrent angina can occur years after coronary artery bypass surgery (CABS).
    • Causes include graft narrowing, lesion progression, or new coronary artery lesions.
    • Repeat CABS carries significant risks of morbidity and mortality.

    Purpose:

    • To evaluate the efficacy and safety of percutaneous transluminal angioplasty (PTCA) for treating recurrent angina after CABS.

    Summary:

    • PTCA was performed on bypass grafts or native coronary arteries in 23 patients post-CABS.
    • Successful dilation was achieved in 95% of lesions across 91% of patients.
    • Mean vessel narrowing reduced significantly (86% to 13%), with improved functional capacity in all successful cases.

    Impact:

    • PTCA is an effective therapy for recurrent angina post-CABS.
    • It presents a preferable alternative to repeat surgery for many patients.
    • The procedure demonstrated a low incidence of major complications, with one case of cerebral embolism.

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