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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

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Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
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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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A New Murine Model of Endovascular Aortic Aneurysm Repair
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Aortic Remodeling After False Lumen Embolization in Aortic Dissection.

Nancy Halloum1, Anna-Sophie Meyer1, Martin Wenkel1

  • 1Department of Cardiac and Vascular Surgery, University Medical Centre Mainz, Johannes Gutenberg University, 55131 Mainz, Germany.

Journal of Clinical Medicine
|February 13, 2025
PubMed
Summary
This summary is machine-generated.

False lumen embolization after thoracic endovascular aortic repair (TEVAR) is a feasible technique. This method promotes positive aortic remodeling and improves outcomes in patients with retrograde false lumen perfusion.

Keywords:
TEVARcandy-plugchronic dissectionendovascularthoracic aorta

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Area of Science:

  • Cardiovascular Surgery
  • Interventional Radiology
  • Vascular Medicine

Background:

  • Retrograde false lumen perfusion following thoracic endovascular aortic repair (TEVAR) can negatively impact aortic remodeling and patient outcomes.
  • Developing techniques to address persistent false lumen perfusion is crucial for improving TEVAR success rates.

Purpose of the Study:

  • To evaluate the feasibility and clinical outcomes of a novel false lumen thrombosis technique.
  • To assess the impact of false lumen embolization on aortic remodeling after TEVAR.

Main Methods:

  • A retrospective analysis of 12 patients who underwent TEVAR with concomitant false lumen embolization between January 2017 and January 2022.
  • The study assessed technical and clinical success rates, as well as changes in aortic dimensions and remodeling post-procedure.

Main Results:

  • The false lumen embolization technique demonstrated a 92% technical success rate and 100% clinical success.
  • All patients exhibited positive aortic remodeling, with a significant increase in true lumen diameter (22 mm to 33 mm) and a decrease in false lumen diameter (41 mm to 20 mm).
  • Thoracic aortic diameter remained stable over a median follow-up of 31 months.

Conclusions:

  • False lumen embolization, particularly using the candy-plug device, is a safe and effective strategy.
  • This technique successfully promotes positive aortic remodeling and addresses retrograde false lumen perfusion after TEVAR.