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Case Reports
. 2020 Mar;29(1):52-54.
doi: 10.1055/s-0038-1669455. Epub 2018 Sep 14.

Acute Aortocaval Fistula Secondary to Chronic Type 1 B Abdominal Aortic Aneurysm Endoleak

Nicolas J Mouawad  1 , Ricardo Quarrie  2 , Jean Starr  1
Affiliations
Case Reports

Acute Aortocaval Fistula Secondary to Chronic Type 1 B Abdominal Aortic Aneurysm Endoleak

Nicolas J Mouawad et al. Int J Angiol. 2020 Mar.

Abstract

Aortocaval fistula (ACF) is a rare complication of abdominal aortic aneurysms (AAA), involving less than 1% of all AAA and is associated with high morbidity and mortality; it is even more uncommon, following endovascular aneurysm repair. The clinical presentation can be variable and making the diagnosis can be difficult. It can present with symptoms and signs of an abdominal emergency or systemic hypoperfusion. The traditional method of repair has been open surgery, which is associated with a high mortality rate. Endovascular repair has become more common, but results are difficult to interpret due to the low incidence of ACF. A high index of suspicion is imperative to avoid delay in diagnosis and care.

Keywords: abdominal aortic aneurysm complication; aortocaval fistula; endoleak.

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Conflict of interest statement

Conflict in Interest None.

Figures

Fig. 1
Fig. 1
Computed tomography (CT) angiogram showing abdominal aortic aneurysms (AAA) after endograft repair with dislodged right iliac limb of the bifurcated graft floating in the aneurysm in axial (A) and sagittal (B) section (white arrow).
Fig. 2
Fig. 2
Computed tomography (CT) angiogram showing aortocaval fistula in axial (A) and coronal (B) section. Note the simultaneous contrast filling of both the abdominal aortic aneurysms (AAA) and the inferior vena cava (white arrow).
See this image and copyright information in PMC

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