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Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

23
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...
23
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

12
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...
12
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

25
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...
25
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

31
A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
31
Aneurysm I: Introduction01:30

Aneurysm I: Introduction

13
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...
13
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

10
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...
10

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Related Experiment Video

Updated: Jul 19, 2025

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

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

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Aortic root remodeling.

Christian Giebels1, Tristan Ehrlich1, Hans-Joachim Schäfers1

  • 1Department of Thoracic and Cardiovascular Surgery, Saarland University Medical Center, Homburg/Saar, Germany.

Annals of Cardiothoracic Surgery
|August 9, 2023
PubMed
Summary

Aortic root remodeling with suture annuloplasty offers excellent long-term results for tricuspid aortic valves with regurgitation and aneurysm. This valve-preserving surgery demonstrates high freedom from reoperation, low mortality, and minimal morbidity.

Keywords:
Aortic root remodelingaortic valve repairvalve sparing root replacement

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Area of Science:

  • Cardiac Surgery
  • Aortic Valve Repair
  • Aortic Root Aneurysm

Background:

  • Aortic root remodeling was developed to treat tricuspid aortic valves (TAVs) with aortic regurgitation (AR) and root aneurysm.
  • Recurrent AR and cusp prolapse were observed after initial root remodeling procedures.
  • Effective height (eH) measurement and cusp repair were introduced to address cusp prolapse.

Discussion:

  • Suture annuloplasty has been integrated in the last 13 years to further enhance aortic valve function.
  • The procedure involves resecting the dilated aortic wall, creating a Dacron graft with tongues, and suturing it to cusp insertion lines.
  • Free margin plication corrects cusp prolapse, ensuring adequate effective height (eH) for optimal valve function.

Key Insights:

  • Root remodeling has been performed in over 710 cases of root aneurysm and TAVs.
  • Mean myocardial ischemic time is 65±13 minutes, with a 1.5% operative mortality for elective procedures.
  • With suture annuloplasty, 10-year freedom from reoperation is 95%; without it, 20-year freedom is 85%.

Outlook:

  • Aortic root remodeling is a validated valve-preserving surgery.
  • The technique offers low morbidity and mortality.
  • Excellent long-term results demonstrate its efficacy in managing aortic root pathology.