ArticleAnnals of thoracic surgery short reports2026
Initial Surgical Experience of a Novel Frozen Elephant Trunk Without Distal Stent for Acute Type A Aortic Dissection.
Article in Annals of thoracic surgery short reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
Purpose: A novel frozen elephant trunk (FET) has a reduced radial force in the stent graft and a 6-cm stent graft part with a 2-cm non-stent graft part. This study aimed to evaluate the novel FET for acute type A aortic dissection. Description: We collected data of 5 patients who underwent total arch replacement with the novel FET for acute type A aortic dissection. Aortic diameter in the descending aorta was measured at the stent graft part, non-stent graft part, and aortic valve level on computed tomography angiography. The true lumen ratio was calculated by dividing the true lumen diameter by the aortic diameter. Evaluation: Five patients with a mean age of 61.6 ± 10.1 years underwent total arch replacement and FET implantation. Spinal cord injury was not recorded. Postoperative and 6-month true lumen ratios at the stent graft part and aortic valve level significantly increased compared with those preoperatively. Aortic diameter at 6 months showed significant shrinkage at those levels. No evidence of distal stent graft-induced new entry was observed. Conclusions: Initial experience with the novel FET implantation demonstrated favorable aortic remodeling and its safe use.
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