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Related Experiment Video

Updated: Dec 30, 2025

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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Endovascular Therapy for Chronic Type B Aortic Dissection.

Shunichiro Fujioka1, Yusuke Irisawa1, Tetsuya Horai1

  • 1Department of Cardiovascular Surgery, National Center of Global Health and Medicine, Tokyo, Japan.

Annals of Vascular Diseases
|January 17, 2020
PubMed
Summary

Endovascular repair of the thoracic aorta (TEVAR) shows favorable outcomes for chronic type B aortic dissection. This approach can achieve aortic remodeling in select patients by sealing the entry tear.

Keywords:
aortic dissectionendovascular surgeryoperative indication

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Area of Science:

  • Cardiovascular Surgery
  • Vascular Surgery
  • Medical Imaging

Background:

  • Thoracic endovascular aortic repair (TEVAR) is a treatment for type B aortic dissection.
  • The optimal timing for TEVAR in chronic type B aortic dissection remains debated.
  • Aortic morphology changes after TEVAR require further investigation.

Purpose of the Study:

  • To evaluate the outcomes of TEVAR in patients with chronic type B aortic dissection.
  • To compare early versus late TEVAR timing for chronic type B aortic dissection.
  • To assess aortic remodeling following TEVAR using CT scans.

Main Methods:

  • Retrospective review of 12 patients who underwent TEVAR for chronic type B aortic dissection (2012-2017).
  • Comparison of clinical and operative data between an early (3 months to 1 year) and late ( > 1 year) intervention group.
  • Analysis of pre- and postoperative CT scans to assess aortic morphology and remodeling.

Main Results:

  • No reported cases of paraplegia, stroke, or death in the cohort.
  • No significant difference in the degree of aortic remodeling between the early and late intervention groups.
  • TEVAR effectively closed the entry tear in selected patients.

Conclusions:

  • TEVAR demonstrates favorable outcomes for chronic type B aortic dissection.
  • TEVAR can facilitate aortic remodeling in carefully selected patients.
  • Closing the primary entry tear with TEVAR is a viable strategy for managing chronic type B aortic dissection.