Thoracoabdominal aneurysms

La Presse médicale
Raphael SolerStéphan Haulon

Abstract

Endovascular treatment of thoracoabdominal aneurysms: what's new? Thoracoabdominal aneurysms (T-AAA) are aortic aneurysms that involve both the thoracic and abdominal segments of the aorta and its associated visceral branches. Although the first successful open repair was reported over 50 years ago, the risks of treatment remain considerable. As the first generations of devices available for endovascular aneurysm repair (EVAR) were relatively simple tubes or bifurcated grafts, initial attempts to extend the benefits of EVAR to patients with T-AAA lead to "hybrid solution". Good results with hybrid repairs have not been universal and the approach does not exploit all of the potential advantages of a "pure" endovascular approach (lesser surgical insult). This unmet need, together with rapid technological advances, has encouraged the development of custom-made endografts with fenestrations and/or branches (F-BEVAR) for extension into the visceral vessel ostia. F-BEVAR requires considerably more complex device design and planning than conventional EVAR. Deployment is more technically demanding and takes longer to complete. Thus, patient, aneurysm anatomy and surgical team selection is paramount. Favorable outcomes have been widely ...Continue Reading

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