Related Experiment Video
Updated: Sep 17, 2025
14:14
Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
14.2K
Aortic valve repair with annuloplasty
Francesco Giosuè Irace1, Ilaria Chirichilli1, Raffaele Scaffa2
1Department of Cardiac Surgery and Heart Transplantation, San Camillo Forlanini Hospital, Rome, Italy.
Summary
External Teflon ring annuloplasty for aortic regurgitation is safe, showing high survival and low complication rates. Careful patient selection and technique refinement can minimize severe aortic regurgitation recurrence.
Area of Science:
- Cardiac Surgery
- Valvular Heart Disease
- Aortic Valve Repair
Background:
- Aortic valve repair procedures are increasingly adopted for aortic regurgitation.
- External ring annuloplasty and leaflet repair are key techniques.
- Evaluating long-term outcomes of these repair methods is crucial.
Purpose of the Study:
- To analyze the results of aortic valve repair using external Teflon ring annuloplasty.
- To assess the safety and efficacy of this technique in patients with aortic regurgitation.
- To identify factors predicting recurrence of severe aortic regurgitation.
Main Methods:
- 61 patients underwent aortic valve repair with external Teflon ring annuloplasty (April 2014 - December 2023).
- An 8-9 mm Teflon strip reduced annulus diameter to 21-23 mm.
- Cusp effective height (eH) was standardized to 9-10 mm; prolapse corrected by plication.
Main Results:
- No operative deaths; only one patient had residual moderate-to-severe aortic regurgitation.
- 8-year survival was 97.4%, freedom from endocarditis 98.3%, and freedom from thromboembolism 100%.
- Enlarged aortic annulus (≥28 mm) and non-routine caliper use predicted severe AR recurrence.
Conclusions:
- External Teflon ring annuloplasty is a safe procedure with excellent long-term survival and low complication rates.
- High rates of freedom from endocarditis and thromboembolism were observed.
- Recurrence of severe aortic regurgitation may be linked to patient selection and surgical learning curve.
More Related Videos
Related Concept Videos
01:26Aneurysm III: Interprofessional Care
29
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...
29
01:25Aortic Regurgitation III: Medical Management
52
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...
52
01:15Aortic Regurgitation I: Introduction
45
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...
45
01:26Mitral Stenosis III: Medical Management
28
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
28
01:27Mitral Valve Prolapse I: Introduction
50
IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
50
01:22Aortic Regurgitation II: Clinical Features and Diagnostic Tests
59
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...
59