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Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery
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Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery

Published on: November 28, 2018

Results of routine preoperative coronary angiography in tetralogy of Fallot

K E Fellows, M D Freed, J F Keane

    Circulation
    |March 1, 1975
    PubMed

    Insights

    Identifying coronary anomalies in tetralogy of Fallot patients is crucial. Routine preoperative imaging via transvenous flush aortography effectively visualizes coronary artery anatomy, aiding surgical planning.

    Area of Science:

    • Cardiovascular Surgery
    • Pediatric Cardiology
    • Medical Imaging

    Background:

    • Coronary anomalies increase morbidity and mortality in tetralogy of Fallot surgical repair.
    • Specific anomalies include anterior descending artery from the right coronary artery or single coronary artery crossing the pulmonary outflow tract.

    Purpose of the Study:

    • To assess the incidence of coronary anomalies in tetralogy of Fallot patients.
    • To evaluate the effectiveness of transvenous flush aortography for preoperative coronary artery visualization.

    Main Methods:

    • Cardiac catheterization with routine coronary artery visualization in 94 tetralogy of Fallot patients.
    • Primary imaging technique: transvenous flush aortography.
    • Comparison with coronary anomaly incidence in 195 autopsied cases.

    Main Results:

    • Diagnostic coronary visualization achieved in 89% of catheterized patients.
    • Incidence of coronary anomalies was 5% in both catheterized and autopsied groups.
    • Specific anomalies identified: anterior descending from right coronary artery (4%), single left coronary artery (1%).

    Conclusions:

    • Routine preoperative coronary artery anatomy demonstration in tetralogy of Fallot is feasible and beneficial.
    • Transvenous flush aortography is a satisfactory and convenient method for this preoperative assessment.
    • Early identification of coronary anomalies can improve surgical outcomes.

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