We have reported the rare case of an intermittent endoleak via an aneurysm-venous fistula (AVF). An 89-year-old woman had experienced postoperative sac expansion 6 years after she had undergone endovascular aneurysm repair. During aneurysmorrhaphy, we detected a small AVF, which was the source of the endoleak responsible for the aneurysmal sac expansion. This AVF had a check valve-like mechanism that allowed the inflow of blood from the iliac vein to the sac when the venous pressure exceeded the endotension. Our case has demonstrated the occurrence of an AVF after endovascular aneurysm repair that had resulted in an endoleak that was invisible on imaging studies and the presence of endotension.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9391501 | PMC |
| http://dx.doi.org/10.1016/j.jvscit.2022.05.015 | DOI Listing |
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Article Synopsis
- The exact causes of abdominal aortic aneurysms (AAAs) are still unclear, prompting the need for a thorough research approach due to their complex development.
- Throughout my studies, I created a rat model to investigate AAAs while exploring nanoparticle drug delivery methods.
- Although endovascular aneurysm repair (EVAR) has improved over the years, there's a lack of concrete evidence in Japan, which we aimed to address by analyzing data from multiple registries and using simulations to tackle clinical questions.
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