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The Management of Primary Aortocaval and Ilio-Iliac Arteriovenous FistulaeMayo Medical School, Division of Vascular Surgery, Mayo Clinic, Rochester, MN
Department of Surgery, Loyola University Medical Center, Maywood, IL
Toronto Hospital-Vascular Center, University of Toronto, Toronto, Ontario, Canada
Mayo Clinic, Rochester, MN The diagnosis and treatment of large abdominal arteriovenous fistulae continue to be challenging, since presentation is frequently atypical and the patients are usually severely ill. Clinical suspicion of rupture of an aortic or iliac aneurysm into the iliac vein or vena cava is confirmed in a hemodynamically stable patient by computed tomography, performed with intravenous contrast. Expeditious open surgical repair is recommended. Intraoperative techniques are directed to avoid embolization of aneurysmal debris through the fistula, to decrease blood loss using rapid cell saver, and the use of Swan Ganz catheter to optimize major hemodynamic alterations. Although complications are frequent, clinical outcome is more favorable than retroperitoneal or intraperitoneal rupture of an aortic aneurysm. Endovascular repair of primary aortocaval fistula remains a task for the future.
Key Words: Aortocaval fistula arteriovenous fistula aortic aneurysm surgery
Perspectives in Vascular Surgery and Endovascular Therapy, Vol. 12, No. 1,
133-148 (1999) |
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