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Related Concept Videos

Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

493
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
493
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

807
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
807
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

635
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...
635

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Related Experiment Video

Updated: Feb 22, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
14:14

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Valve-sparing aortic root replacement in acute type A aortic dissection.

Süleyman Sürer1, İbrahim Duvan1, İlker İnce1

  • 1Department of Cardiovascular Surgery, Ankara City Hospital, Ankara, Türkiye.

Cardiovascular Journal of Africa
|February 20, 2026
PubMed
Summary
This summary is machine-generated.

The David V aortic valve-sparing root replacement is a viable option for younger patients with acute type A aortic dissection. This aortic valve repair technique shows favorable outcomes and minimal aortic regurgitation in selected patients.

Keywords:
David V procedureaortic dissectionvalve‐sparing root replacement

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Aortic Surgery

Background:

  • Aortic valve-sparing root replacement is an elective procedure for aortic aneurysms.
  • Its use in acute type A aortic dissection remains controversial.
  • The David V technique is a specific aortic valve-sparing method.

Purpose of the Study:

  • To evaluate the outcomes of the David V aortic valve-sparing root replacement in acute type A aortic dissection.
  • To assess the feasibility and safety of this aortic valve repair technique in this specific patient group.

Main Methods:

  • A cohort of 21 patients with acute type A aortic dissection underwent the David V re-implantation technique.
  • Procedures were combined with hemiarch or total aortic arch replacement.
  • Annual postoperative echocardiograms were used for follow-up, achieving 100% completion over a mean of 40 months.

Main Results:

  • The David V procedure was performed with hemiarch replacement in 15 patients (71%) and total aortic arch replacement in 6 patients (29%).
  • In-hospital mortality was 14% (3 patients).
  • No patients had more than 2+ aortic regurgitation at discharge; one patient developed 2+ aortic regurgitation during follow-up, while others had trace/no aortic regurgitation.

Conclusions:

  • The David V operation is a suitable aortic valve repair option for younger patients with acute type A aortic dissection and appropriate anatomy.
  • Favorable outcomes, including preserved aortic valve function, support its consideration in selected cases.