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In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
11:16

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging

Published on: February 25, 2022

Twelfth Edgar Mannheimer lecture. Competition between aortic isthmus and ductus arteriosus; reciprocal influence of

C Bruins

    European Journal of Cardiology
    |August 1, 1978
    PubMed

    Insights

    Juxtaductal coarctation, often linked to ventricular septal defects (VSD), involves aortic arch and isthmus abnormalities. Treatment focuses on managing infantile hypoplasia to prevent adult stenosis.

    Area of Science:

    • Cardiovascular Surgery
    • Pediatric Cardiology
    • Medical Genetics

    Background:

    • Juxtaductal coarctation encompasses a spectrum of aortic arch and isthmus abnormalities, including pseudocoarctation, stenosis, hypoplasia, atresia, and interruption.
    • These conditions are frequently associated with ventricular septal defects (VSD) and left ventricular (LV) outflow obstruction.
    • Abnormal preductal aorta length and interrupted subclavian artery migration are characteristic features.

    Purpose of the Study:

    • To elucidate the spectrum of juxtaductal coarctation, its underlying causes, and developmental characteristics.
    • To describe the pathogenetic mechanisms involving ductal tissue and aortic wall interactions.
    • To outline current treatment strategies for infantile hypoplasia and its evolution into adult stenosis.

    Main Methods:

    • Review of pathological and anatomical features of juxtaductal coarctation.
    • Analysis of the role of ventricular septal defects (VSD) and left ventricular (LV) outflow obstruction.
    • Examination of ductal tissue influence on aortic morphology and position.

    Main Results:

    • Juxtaductal coarctation includes pseudocoarctation, stenosis, hypoplasia, atresia, or interruption of the aortic arch/isthmus.
    • VSD closure can lead to the evolution of infantile hypoplasia into adult stenosis, sometimes prenatally.
    • Ductal tissue contributes to aortic wall changes, potentially causing misinterpretations of ductus arteriosus straddling.

    Conclusions:

    • Juxtaductal coarctation is a complex condition with diverse presentations, often stemming from VSD.
    • Understanding the role of ductal tissue and aortic development is crucial for diagnosis and management.
    • Treatment involves managing infantile hypoplasia to facilitate development into adult stenosis, followed by resection.

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