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Related Experiment Videos

Echocardiogram in common (single) ventricle: angiographic-anatomic correlation

J B Seward, A J Tajik, D J Hagler

    The American Journal of Cardiology
    |February 1, 1977
    PubMed
    Summary

    Common ventricle, a rare congenital heart defect, is diagnosed using echocardiography. This imaging technique effectively identifies key anatomical features, aiding in surgical planning for this complex condition.

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    Area of Science:

    • Cardiology
    • Pediatric Cardiology
    • Medical Imaging

    Background:

    • Common ventricle is a rare congenital anomaly characterized by a single ventricular chamber receiving blood from two atrioventricular (A-V) valves or a common A-V valve.
    • Accurate diagnosis is crucial for effective management and surgical intervention.

    Purpose of the Study:

    • To evaluate the role of echocardiography in diagnosing common ventricle.
    • To describe the specific echocardiographic features associated with common ventricle, both with two A-V valves and a common A-V valve.

    Main Methods:

    • Echocardiographic features were analyzed in 55 patients diagnosed with common ventricle via cardiac catheterization, operation, or autopsy.
    • Specific echocardiographic findings were correlated with the presence of two A-V valves or a single common A-V valve.

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    Main Results:

    • Echocardiography identified key features including simultaneous A-V valve echoes without septal echoes, absence of the ventricular septal echo, visualization of outflow chambers, and continuity between the posterior A-V valve and great artery.
    • In cases with a common A-V valve, echocardiography showed a single posterior A-V valve with large diastolic excursion and absence of a second A-V valve echo.
    • Postoperative echocardiography demonstrated prosthetic septa dividing the common ventricle.

    Conclusions:

    • Echocardiography is a valuable tool for assessing ventricular anatomy in common ventricle.
    • The distinct echocardiographic findings aid in differentiating subtypes and guiding surgical correction.
    • Echocardiography plays an important role in the preoperative and postoperative assessment of this complex congenital cardiac defect.