Mid-term Outcomes Following TEVAR for Chronic Type B Aortic Dissection

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  • Ohno Masato
    Division of Vascular Surgery, Kansai Medical University Hospital
  • Zempo Nobuya
    Division of Vascular Surgery, Kansai Medical University Hospital
  • Jinzai Yuki
    Division of Vascular Surgery, Kansai Medical University Hospital
  • Sakashita Hideki
    Division of Vascular Surgery, Kansai Medical University Hospital
  • Uetsuki Tomohiko
    Department of Cardiovascular Surgery, Kansai Medical University
  • Okada Takayuki
    Department of Cardiovascular Surgery, Kansai Medical University

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  • 慢性B型大動脈解離に対する胸部ステントグラフト内挿術の中期成績：とくにリエントリー閉鎖によるリモデリング効果と影響因子について

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Abstract

<p>Objective: To evaluate the mid-term outcomes following TEVAR for chronic type B aortic dissection (TBD), especially to know which re-entry closure affecting on the thoracic false lumen remodeling in the late chronic TBD. Methods: From April 2017 to April 2022, 25 patients with chronic TBD underwent TEVAR. The late chronic TBD received the re-entry closure including stent-graft deployment in renal artery, infrarenal aorta and unilateral or bilateral iliac artery. Results: Complete shrinkage of the thoracic false lumen were accomplished in 67% of the early chronic cases, but in only 13% of the late chronic cases. The thoracic false lumen shrinkage over 5 mm in diameter were obtained in 78% of the early chronic cases and in 69% of the late chronic cases. Univariate and multiple logistic regression analyses revealed the re-entry closure of common or external iliac artery affected on the thoracic false lumen remodeling. Conclusion: The re-entry closure in common or external iliac artery could affected on the thoracic false lumen remodeling following TEVAR for the late chronic TBD.</p>

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