Related Experiment Video
Updated: May 12, 2026
04:48
Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery
Published on: November 28, 2018
Sporadic supravalvular stenosis in a young man
K M Ghodduci1, M Antic, K Tanaka
1Department of Radiology, UZ Brussel, Laerbeeklaan 101, B-1090 Brussels, Belgium. kghodduci@yahoo.com
Summary
Supravalvar aortic stenosis (SVAS), a rare congenital heart defect, can cause left ventricular outflow tract obstruction. Surgical correction of this ascending aorta narrowing proved successful in a 30-year-old patient, resolving the stenosis without complications.
Area of Science:
- Cardiology
- Congenital Heart Disease
- Vascular Surgery
Background:
- Supravalvar aortic stenosis (SVAS) is a rare congenital heart defect.
- It causes narrowing of the ascending aorta, leading to left ventricular outflow tract obstruction.
- SVAS carries an increased risk of sudden cardiac death.
Observation:
- A 30-year-old man presented with an incidental heart murmur.
- Echocardiography revealed left ventricular hypertrophy and an elevated pressure gradient.
- Advanced imaging (CT, MRI, arteriography) confirmed aortic narrowing at the sinotubular junction.
Findings:
- Diagnosis of supravalvar aortic stenosis was confirmed.
- Significant accelerated blood flow was noted due to the stenosis.
- The patient underwent successful surgical correction of the aortic stenosis.
Implications:
- Surgical intervention can effectively treat supravalvar aortic stenosis.
- Timely diagnosis and treatment can prevent severe cardiac events.
- This case highlights the importance of investigating heart murmurs, even when incidental.
Related Concept Videos
01:22Mitral Stenosis I: Introduction
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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...
01:22Aortic 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...
01:20Mitral Regurgitation I: Introduction
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
01:26Mitral Stenosis III: Medical Management
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...
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...