What does this research mean for the field?

Conservative management of asymptomatic arterio-lymphatic fistulas after AAA repair can lead to spontaneous thrombosis and complete resolution. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This case aims to highlight the occurrence of an arterio-lymphatic fistula post-AAA repair.

February 28, 2026Open Access

Arterio-Lymphatic Fistula between the Thoracic Duct and Lumbar Artery Pseudoaneurysm after Open Abdominal Aortic Aneurysm Repair

Key Points

This case aims to highlight the occurrence of an arterio-lymphatic fistula post-AAA repair.
Description of a 76-year-old male patient with an arterio-lymphatic fistula
Conservative management chosen due to asymptomatic nature of the condition
Follow-up imaging used to monitor the fistula
Spontaneous thrombosis of the fistula occurred
Complete resolution of the fistula was observed
Only seven similar cases have been previously reported

Abstract

Abstract Arterio-lymphatic fistulas are extremely rare. We describe a 76-year-old man who developed a fistulous communication between the thoracic duct and a lumbar artery pseudoaneurysm after open abdominal aortic aneurysm (AAA) repair. Only seven similar cases have been reported previously. Because the patient was asymptomatic, conservative management was selected, resulting in spontaneous thrombosis and complete resolution. This case suggests that careful observation may be an appropriate management strategy for selected postoperative arterio-lymphatic fistulas detected on follow-up imaging.

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Cite This Study

Oue et al. (Sun,) studied this question.

synapsesocial.com/papers/69a287b00a974eb0d3c038e4 https://doi.org/https://doi.org/10.1016/j.jvscit.2026.102197

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