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Aorto-caval fistula: a clinical spectrum
E B Harrington1, M Schwartz, M Haimov
1Department of Surgery, Mount Sinai Medical Center, New York City, New York.
The Journal of Cardiovascular Surgery
|July 1, 1989
Summary
This study reviewed ten cases of aortocaval fistula (ACF) linked to abdominal aortic aneurysms (AAA). A new classification was developed, and successful treatment outcomes were achieved through awareness and preparation.
Area of Science:
- Vascular Surgery
- Aortic Aneurysm Research
- Surgical Complications
Background:
- Aortocaval fistula (ACF) is a rare but serious complication associated with abdominal aortic aneurysms (AAA).
- Understanding the presentation and classification of ACF in AAA is crucial for effective management.
Observation:
- Ten male patients with AAA and ACF were analyzed, with a mean aneurysm size of 8.5 cm.
- ACF manifested post-thrombus evacuation in 5 cases; 5 presented with patent ACF.
- Four patients also experienced extra-caval rupture of the aneurysm.
Findings:
- A novel classification system for ACF associated with AAA was developed based on presentation and rupture characteristics.
- All patients required bifurcation grafts for surgical reconstruction.
- A multifactorial etiology involving aneurysm enlargement and rupture is suggested for ACF.
Implications:
- Increased awareness of ACF in AAA cases can lead to improved diagnostic and therapeutic strategies.
- Proper pre-operative preparation and surgical planning are essential for successful outcomes.
- This classification aids in understanding the complex relationship between ACF and AAA.