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Related Experiment Videos

Vascular rings causing pulmonary collapse

D P Montgomery, J B Partridge

    Clinical Radiology
    |May 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Mediastinal vascular rings, specifically anomalous subclavian arteries, can cause pulmonary collapse. This finding is linked to the embryology of these arteries and their migration patterns.

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    Area of Science:

    • Thoracic surgery
    • Pediatric cardiology
    • Vascular anomalies

    Background:

    • Mediastinal vascular anomalies, or rings, are rare congenital conditions affecting the great vessels.
    • Pulmonary collapse has not been previously associated with these mediastinal vascular rings.

    Observation:

    • Two cases are presented involving anomalous subclavian arteries within a vascular ring.
    • The embryological development of subclavian arteries, originating from the lowest intersegmental arteries and migrating cranially, is considered.

    Findings:

    • Anomalous subclavian arteries failing to complete their normal migration can traverse the mediastinum at the carina.
    • This anatomical variation can lead to extrinsic esophageal compression, detectable via barium swallow.
    • Arteriography is crucial for precise anatomical delineation of the vascular ring before surgical intervention.

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    Implications:

    • This study establishes a novel link between mediastinal vascular rings and pulmonary collapse.
    • Understanding the embryological basis aids in predicting and diagnosing such conditions.
    • Surgical division of the vascular ring offers a potential treatment for re-expansion of the collapsed lung.