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  • Title: Intravascular Ultrasound-Assisted Endovascular Exclusion of Penetrating Aortic Ulcers.
    Author: Illuminati G, Pasqua R, Nardi P, Fratini C, Calio FG, Ricco JB.
    Journal: Ann Vasc Surg; 2021 Jan; 70():467-473. PubMed ID: 32634558.
    Abstract:
    BACKGROUND: Penetrating aortic ulcer (PAU) is an atherosclerotic lesion penetrating the elastic lamina and extending into the media of the aorta. It may evolve into intramural hematoma, focal dissection, pseudoaneurysm, and eventually rupture. The purpose of this study was to evaluate the effectiveness of a totally intravascular ultrasound (IVUS)-assisted endovascular exclusion of PAU. METHODS: Thirteen consecutive patients (median age 66 years) underwent IVUS-assisted endovascular exclusion of PAU. The primary end points were fluoroscopy time, radiation dose, and occurrence of type I primary endoleak. Secondary end points were postoperative mortality and morbidity, arterial access complications, postoperative length of stay in the hospital, and occurrence of type II endoleaks. RESULTS: The median fluoroscopy time was 4 min (4-5). The median radiation dose was 4.2 mGy (3.9-4.5). A proximal and distal landing zone of at least 2 cm could be obtained in all the patients. No patient presented a type I endoleak. No postoperative mortality, no morbidity, or arterial access complication was observed. The median length of postoperative stay in the hospital was 2 days (2-3). The median length of follow-up was 25 months (9.2-38.7). One late type II endoleak was observed (7.7%), because of reflux from the intercostal arteries, without the need for additional treatment. CONCLUSIONS: IVUS-assisted endovascular treatment of PAU allows durable exclusion of PAU with a short fluoroscopy time and no need for injection of contrast media. Further series are needed to confirm the results of this preliminary study.
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