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Absent or occult pulmonary artery.

P Presbitero, C Bull, S G Haworth

    British Heart Journal
    |August 1, 1984
    PubMed
    Summary

    This study investigated surgically occult pulmonary arteries in 12 patients. Early surgical intervention is recommended to ensure vessel development and lung growth in patients with absent pulmonary artery.

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    Area of Science:

    • Cardiovascular Surgery
    • Pediatric Cardiology
    • Thoracic Surgery

    Background:

    • Congenital absence of the pulmonary artery is a rare condition.
    • Identifying and surgically addressing occult pulmonary arteries is crucial for patient outcomes.

    Purpose of the Study:

    • To investigate the surgical findings and management strategies for patients with angiographically absent pulmonary artery.
    • To determine the anatomical variations and surgical accessibility of previously undetected pulmonary arteries.

    Main Methods:

    • Surgical exploration of 11 out of 12 patients diagnosed with absent pulmonary artery.
    • Intraoperative identification and characterization of the occult pulmonary artery.
    • Assessment of associated cardiac anomalies, including right ventricular outflow tract obstruction and ductal anatomy.

    Main Results:

    • An occult pulmonary artery was identified in 10 of 11 surgically investigated patients.
    • Five patients had a vestigial intrapericardial artery, while five had a patent hilar artery with a gap from the main pulmonary artery.
    • One patient had no identifiable artery; associated anomalies varied based on the type of occult artery found.

    Conclusions:

    • Surgical identification and reconstruction of occult pulmonary arteries can be achieved.
    • Early surgical intervention is advised to promote lung development and potentially establish continuity between the main and hilar pulmonary arteries.
    • Conduits may be necessary to bridge gaps where no intrapericardial vessel exists.

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