Distal Stent Graft-Induced New Entry after Total Arch Replacement with Frozen Elephant Trunk for Aortic Dissection

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  • Nomura Yoshikatsu
    Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji
  • Tonoki Shuto
    Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji
  • Kawashima Motoharu
    Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji
  • Fujisue Jun
    Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji
  • Uchino Gaku
    Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji
  • Miyahara Shunsuke
    Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji
  • Tanaka Hiroshi
    Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji
  • Honda Tasuku
    Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji
  • Mukohara Nobuhiko
    Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji
  • Murakami Hirohisa
    Department of Cardiovascular Surgery, Hyogo Brain and Heart Center at Himeji

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Abstract

<p>Objectives: Distal stent graft-induced new entry (dSINE), defined as a new tear caused by a stent graft, has been increasingly observed following total arch replacement using frozen elephant trunk (FET) for aortic dissection. We aimed to investigate the incidence and treatment of dSINE after the use of FET.</p><p>Methods: This retrospective study evaluated 70 patients who underwent total arch replacement using FET for aortic dissection between August 2014 and March 2020. They were followed up for at least 6 months postoperatively. Between-group comparisons were performed between those who did and did not develop dSINE. The risk factors for the development of dSINE and the treatment of dSINE were analyzed.</p><p>Results: dSINE occurred postoperatively in nine patients (12.9%) with a median time frame of 17.7±11.7 months. The incidence of dSINE did not differ significantly according to classification, phase of dissection, or oversizing. All patients in the dSINE group developed enlargement of the false lumen. dSINE closure was successfully achieved without complications via thoracic endovascular aortic repair (TEVAR) in all patients.</p><p>Conclusion: No independent factors predicting the development of dSINE were noted in this study. Additional TEVAR for dSINE provides good results and achieves false lumen thrombosis in the thoracic aorta, with no complications.</p>

Journal

  • Annals of Vascular Diseases

    Annals of Vascular Diseases 14 (4), 362-367, 2021-12-25

    The Editorial Committee of Annals of Vascular Diseases

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