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Published on: July 11, 2013

Aortic-caval fistula from ruptured abdominal aortic aneurysm

B Bugge-Asperheim, S Birkeland, G Stłoren

    Annales Chirurgiae Et Gynaecologiae
    |January 1, 1977
    PubMed

    Insights

    This study reports four successful surgical treatments for spontaneous aorto-caval fistula using aortic aneurysm repair. Patients showed significant hemodynamic improvements and sustained recovery post-procedure.

    Area of Science:

    • Vascular Surgery
    • Cardiovascular Physiology

    Background:

    • Spontaneous aorto-caval fistula is a rare but serious condition requiring prompt intervention.
    • Aortic aneurysms can lead to complex cardiovascular complications.

    Observation:

    • Four cases of spontaneous aorto-caval fistula were treated surgically.
    • Treatment involved suture of the fistula from within the aortic aneurysm, followed by graft replacement.

    Findings:

    • All patients achieved successful outcomes and remained well during long-term follow-up (1-12 years).
    • Surgical closure rapidly normalized high preoperative pulmonary artery pressures, capillary wedge pressures, and cardiac output.
    • An intrapulmonary shunt fraction decreased from 58% to 15% postoperatively.

    Implications:

    • Suturing aorto-caval fistulas from within the aortic aneurysm is an effective surgical strategy.
    • This approach significantly improves pulmonary and circulatory hemodynamics.
    • The findings offer insights into managing complex vascular anomalies and their physiological impact.

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