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Related Concept Videos

The Arch of Aorta01:10

The Arch of Aorta

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The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
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Related Experiment Video

Updated: Dec 21, 2025

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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Novel and Innovative Hybrid Technique for Type A Aortic Dissection

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Modified Distal Aortic Arch Occlusion During Aortic Arch Replacement.

Xu Pei1, Shu-Qiang Zhu1, Xiang Long1

  • 1Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, People's Republic of China.

Heart, Lung & Circulation
|May 21, 2020
PubMed
Summary

A modified technique for aortic arch replacement significantly reduces circulatory arrest time in Stanford type A aortic dissection patients. This simpler approach shows promising early results and clinical effects for improved surgical outcomes.

Keywords:
Aortic arch replacementCirculatory arrestModified distal aortic arch occlusionStanford type A aortic dissection

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Surgery

Background:

  • Circulatory arrest is a known risk factor for postoperative mortality in Stanford type A aortic dissection.
  • Traditional methods often involve prolonged circulatory arrest times.
  • There is a need for techniques that minimize circulatory arrest duration.

Purpose of the Study:

  • To describe and evaluate a modified technique for distal aortic arch occlusion.
  • To assess the impact of this technique on circulatory arrest time during aortic arch replacement.
  • To report early clinical outcomes in patients undergoing this modified procedure.

Main Methods:

  • A modified distal aortic arch occlusion technique was employed in 51 patients with Stanford type A aortic dissection.
  • Operations involved transient circulatory arrest by clamping the aorta between the left common carotid and left subclavian arteries.
  • In-hospital and follow-up data were collected and analyzed.

Main Results:

  • All patients achieved successful vascular repair.
  • The median circulatory arrest time was significantly reduced to 5.0 minutes.
  • No major complications like tracheotomy or reoperation were reported; grafts remained patent during follow-up.

Conclusions:

  • A modified distal aortic arch occlusion technique effectively shortens circulatory arrest duration.
  • This approach offers a feasible and simple alternative for aortic arch replacement.
  • The technique demonstrates satisfactory clinical effects and encouraging early results.