Related Experiment Video
Updated: Jul 17, 2026
14:14
Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
Aortic root remodeling with aortic annuloplasty: mid-term results
Toshinobu Kazui1, Junichi Tsuboi, Hiroshi Izumoto
1Department of Cardiovascular Surgery, Memorial Heart Center, Iwate Medical University, Morioka, Japan. t-kazui@pf6.so-net.ne.jp
Summary
The m-Yacoub operation is a suitable choice for aortic root remodeling when the aortic valve is preserved. This aortic annuloplasty technique showed excellent survival and reduced aortic regurgitation in patients with aortic valve disease.
Area of Science:
- Cardiac Surgery
- Aortic Valve Disease
- Aortic Root Remodeling
Background:
- Retrospective study evaluating the m-Yacoub operation for aortic root remodeling.
- Focus on patients with aortic valve disease and ascending aorta dilation/dissection.
Purpose of the Study:
- To determine the appropriateness of the m-Yacoub operation in selected patients.
- Assess the efficacy of aortic annuloplasty in preserving the aortic valve.
Main Methods:
- Retrospective analysis of 60 patients undergoing surgery between 1997-2003.
- Nineteen patients with preserved aortic valves underwent the m-Yacoub operation.
- Follow-up averaged 34.5 months.
Main Results:
- No operative or hospital deaths occurred.
- Significant reduction in aortic regurgitation (AR) post-surgery.
- 5-year survival rate was 100%, with an 82.5% reoperation-free rate.
Conclusions:
- The m-Yacoub operation is an attractive option for aortic root remodeling when aortic valve preservation is feasible.
- Demonstrates good long-term outcomes in terms of survival and need for reoperation.
Related Concept Videos
01:22Aortic Regurgitation II: Clinical Features and Diagnostic Tests
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...
01:25Aortic Regurgitation III: Medical Management
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...
01:26Aneurysm III: Interprofessional Care
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...
01:15Aortic Regurgitation I: Introduction
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...
01:30Aneurysm I: Introduction
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...
01:17Aortic Regurgitation IV: Nursing Management
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...