Related Experiment Video
Updated: Jul 11, 2026
14:14
Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
Aortic root remodeling: ten-year experience with 274 patients
Diana Aicher1, Frank Langer, Henning Lausberg
1Department of Thoracic and Cardiovascular Surgery, University Hospital of Saarland, Homburg/Saar, Germany.
The Journal of Thoracic and Cardiovascular Surgery
|October 2, 2007
Summary
Root remodeling effectively restores aortic valve function in patients with aortic root dilatation and regurgitation. This valve-preserving surgery demonstrates durable results, especially with aggressive correction of cusp prolapse.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Aortic Valve Surgery
Background:
- Aortic root dilatation with aortic regurgitation often necessitates surgical intervention.
- Valve-preserving aortic root surgery is a viable alternative to valve replacement.
- Root remodeling is a technique used when the aortoventricular junction is not dilated.
Purpose of the Study:
- To analyze the 11-year experience with root remodeling for aortic root dilatation and concomitant aortic regurgitation.
- To evaluate the durability and effectiveness of valve-preserving root remodeling surgery.
- To assess the impact of cusp prolapse correction on aortic valve function.
Main Methods:
- A retrospective analysis of 274 patients undergoing root remodeling between 1995 and 2006.
- Patients had preserved aortoventricular diameter (<30 mm) and varying aortic valve anatomies (tricuspid and bicuspid).
- Follow-up was comprehensive, with a cumulative duration of 1045 patient-years.
Main Results:
- Hospital mortality was 3.6%, with lower rates in elective cases.
- Freedom from grade II or higher aortic regurgitation was high at 10 years (91% for bicuspid, 87% for tricuspid valves).
- Freedom from reoperation and valve replacement was excellent (96% and 98% at 10 years, respectively).
Conclusions:
- Root remodeling provides durable restoration of aortic valve function in both tricuspid and bicuspid aortic valves.
- Aggressive correction of cusp prolapse during root remodeling significantly improves aortic valve competence and repair stability.
- Valve-preserving root remodeling is a safe and effective treatment for aortic root dilatation with aortic regurgitation.
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...
01:15Aortic 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...
01:17Aortic 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...