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Related Concept Videos

Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Related Experiment Video

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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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New Hybrid Prosthesis for Acute Type A Aortic Dissection.

Matteo Montagner1, Roland Heck1, Markus Kofler1

  • 1Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum, Berlin, Germany.

Surgical Technology International
|May 21, 2020
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Summary
This summary is machine-generated.

A novel hybrid stent, the Ascyrus Medical Dissection Stent (AMDS), offers a promising new approach for treating acute type A aortic dissection (ATAAD) by restoring true lumen flow and sealing the false lumen.

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Area of Science:

  • Cardiovascular Surgery
  • Medical Devices
  • Aortic Disease

Background:

  • Acute type A aortic dissection (ATAAD) is a life-threatening condition requiring prompt, individualized treatment.
  • Surgical outcomes for ATAAD have improved due to faster diagnosis and technological advancements.
  • Current treatments aim to minimize long-term complications, including reoperations.

Purpose of the Study:

  • To introduce a novel hybrid device, the Ascyrus Medical Dissection Stent (AMDS), for treating DeBakey I acute aortic dissection.
  • To evaluate the potential of the AMDS to improve upon the current standard of care for ATAAD.
  • To assess the safety and efficacy of the AMDS in managing complex aortic dissections.

Main Methods:

  • The study describes the Ascyrus Medical Dissection Stent (AMDS), a non-covered hybrid stent designed for hemiarch operations.
  • The AMDS aims to reduce false lumen perfusion by sealing the distal anastomosis and restore true lumen perfusion.
  • Deployment of the AMDS does not require specialized endovascular skills and minimally prolongs operative time.

Main Results:

  • The AMDS is designed to achieve anatomical and hemodynamic correction in acute aortic dissections.
  • Obliteration of the false lumen at the distal anastomosis is expected to reduce aortic enlargement and the need for reoperations.
  • The device promotes thrombosis in the false lumen through low-flow states and pressure reduction.

Conclusions:

  • The AMDS presents a new treatment paradigm for acute aortic dissection, focusing on restoring true lumen flow and sealing the false lumen.
  • The device demonstrates a high procedural success rate.
  • AMDS is a safe, reproducible, and promising solution for DeBakey I aortic dissections.