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Related Experiment Videos

Retrograde aortic dissection during cardiopulmonary bypass

J Eugene, W S Aronow, E A Stemmer

    Clinical Cardiology
    |November 1, 1981
    PubMed
    Summary

    Retrograde aortic dissection during femoral artery perfusion for cardiopulmonary bypass is a rare but serious complication. Prompt recognition and intervention, including hypothermia and circulatory arrest, significantly improve patient survival.

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    Area of Science:

    • Cardiovascular Surgery
    • Vascular Surgery
    • Cardiopulmonary Bypass

    Background:

    • Femoral artery perfusion is utilized for specific cardiopulmonary bypass procedures, including reoperations and thoracic aortic surgeries.
    • Retrograde aortic dissection is a critical complication associated with femoral artery perfusion.

    Observation:

    • The incidence of retrograde aortic dissection ranges from 0.6% to 14%, with a high mortality rate of 66%.
    • Diagnosis is suggested by increased extracorporeal line pressure, decreased venous return, dampened radial pressure, and ascending aorta changes.

    Findings:

    • In this series of 640 patients using femoral inflow, six (0.9%) experienced retrograde dissection.
    • Four of these six patients survived after prompt intervention involving discontinuation of bypass, aortic cannulation, hypothermia, and repair of the false passage.

    Implications:

    • Early detection and management of retrograde aortic dissection are crucial for improving outcomes.
    • Surgical repair with profound hypothermia and circulatory arrest can be successfully employed to manage this complication.

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