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The conduction system in double outlet right ventricle with subpulmonic ventricular septal defect and related hearts

S Bharati, M Lev

    Circulation
    |September 1, 1976
    PubMed

    Insights

    The Taussig-Bind heart

    Area of Science:

    • Cardiology
    • Congenital Heart Disease
    • Cardiac Electrophysiology

    Background:

    • The Taussig-Bind group of hearts is characterized by the aorta originating entirely from the right ventricle.
    • Surgical interventions for these hearts often involve ventricular septal defects (VSDs).

    Observation:

    • The study investigated the conduction system in six Taussig-Bind hearts.
    • The atrioventricular (A-V) bundle's location was analyzed relative to the VSD.

    Findings:

    • The atrioventricular (A-V) bundle is typically situated on the inferior wall of the VSD.
    • In some cases, the bundle may be intramuscular, with only its branches near the defect.
    • Conduction system development is linked to endocardial cushions and posterior septum formation.

    Implications:

    • Understanding the A-V bundle's position is crucial for surgical planning in Taussig-Bind hearts.
    • This knowledge can help minimize risks of conduction abnormalities during VSD repair.
    • Further research into the developmental origins of the conduction system is warranted.

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