Aortic remodeling after false lumen embolization in aortic dissection
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Abstract
Background/Objectives: Retrograde false lumen perfusion after thoracic endovascular aortic repair (TEVAR) can compromise positive remodeling and clinical outcomes. The aim of this study is to describe the feasibility and outcomes of a false lumen thrombosis technique. Methods: A single-center, retrospective analysis of patients between January 2017 and January 2022 who underwent TEVAR in conjunction with false lumen embolization. Results: Twelve patients (83% type A, 17% type B; 33% with frank rupture; mean age 65 years; eleven men) underwent 13 false lumen embolization procedures with a 92% technical success rate and a 100% clinical success rate. Positive aortic remodeling was observed in all the patients. The maximum thoracic aortic diameter remained stable (p = 0.526) but the true lumen increased from 22 to 33 mm (p = 0.009) and the false lumen decreased from 41 to 20 mm (p = 0.076) after a median follow-up of 31 months. Conclusions: False lumen embolization using the candy-plug is safe and promotes positive aortic remodeling.