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Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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Related Experiment Video

Updated: Apr 15, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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Modified Candy Plug for False Lumen Embolization in Chronic Aortic Dissection: Technical Aspects and Initial

Hao-Hui Peng1,2, Qing-Bo Fang1, Lei Wang1

  • 1Division of Vascular Surgery, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, People's Republic of China.

Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists
|April 14, 2026
PubMed
Summary
This summary is machine-generated.

This study introduces a modified candy plug (CP) to treat retrograde false lumen (FL) perfusion after thoracic endovascular aneurysm repair (TEVAR) for chronic aortic dissection (AD). The CP approach demonstrated high technical success and safety, effectively promoting FL thrombosis and reducing aortic diameter.

Keywords:
TEVARaortic remodelingcandy plugchronic aortic dissectionfalse lumen embolization

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Area of Science:

  • Vascular Surgery
  • Endovascular Interventions
  • Aortic Dissection Management

Background:

  • Chronic aortic dissection (AD) poses challenges, particularly retrograde false lumen (FL) perfusion post-thoracic endovascular aneurysm repair (TEVAR).
  • This perfusion can lead to aortic rupture, necessitating effective management strategies.

Purpose of the Study:

  • To evaluate the efficacy and safety of a modified candy plug (CP) for FL embolization in chronic AD patients.
  • To assess the modified CP's utility either after or concurrently with TEVAR.

Main Methods:

  • Retrospective analysis of 11 chronic AD patients undergoing FL embolization with a modified CP between May 2021 and August 2024.
  • Custom CP design based on FL anatomy, with preoperative imaging for FL assessment.
  • Postoperative monitoring focused on FL thrombosis, complications, and aortic diameter changes.

Main Results:

  • 100% technical success rate for FL embolization.
  • Complete FL thrombosis achieved in 10 patients; partial in one.
  • Significant reduction in aortic diameter (4.44±4.14 mm, p<0.010) with no major adverse events.
  • Minor complications included access site hematoma and transient lower limb numbness, both resolved.

Conclusions:

  • The modified CP approach is a safe and effective endovascular option for treating retrograde FL perfusion in chronic AD.
  • This technique promotes FL thrombosis, prevents dissection expansion, and reduces the risk of aortic rupture, serving as an adjunct to TEVAR.
  • The approach is straightforward, requires no custom devices, and is feasible in urgent settings.