Related Experiment Video

Updated: Aug 14, 2026

Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit
07:04

Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit

Published on: April 15, 2021

Saccular aneurysm of the aortic cusp associated with discrete subaortic stenosis

Seiji Matsukuma1, Kiyoyuki Eishi, Shiro Yamachika

  • 1Department of Cardiovascular Surgery, Nagasaki University School of Medicine, Nagasaki, Japan. seiji731@net.nagasaki-u.ac.jp

The Annals of Thoracic Surgery
|November 25, 2005
PubMed

Insights

A patient with aortic stenosis and regurgitation underwent aortic valve replacement. The study details the complex valve pathology, including a saccular aneurysm and subvalvular stenosis, likely caused by chronic jet stream effects.

Area of Science:

  • Cardiovascular Medicine
  • Cardiac Surgery
  • Pathology

Background:

  • Aortic stenosis and regurgitation are significant valvular heart diseases.
  • Syncopal episodes can be a symptom of severe aortic valve disease.
  • Surgical intervention, such as aortic valve replacement, is often necessary.

Observation:

  • A 54-year-old male presented with syncope due to severe aortic valve disease.
  • Pathological examination revealed thickened aortic valve cusps (left coronary and noncoronary) with a saccular aneurysm on the left coronary cusp.
  • A prominent shelf of tissue below the right coronary cusp caused subvalvular stenosis.

Findings:

  • The patient underwent successful aortic valve replacement.
  • The aortic valve incompetence was attributed to cusp thickening and a saccular aneurysm.
  • Discrete subaortic stenosis was identified as the likely cause of the saccular aneurysm due to long-term jet stream effects.

Implications:

  • This case highlights the complex interplay between congenital or acquired subvalvular abnormalities and subsequent aortic valve pathology.
  • Understanding the etiology of aortic valve disease, including secondary effects of subvalvular stenosis, is crucial for surgical planning and patient outcomes.
  • Accurate diagnosis of all contributing factors is essential for effective management of aortic stenosis and regurgitation.

More Related Videos

A Minimally Invasive Model of Aortic Stenosis in Swine06:51

A Minimally Invasive Model of Aortic Stenosis in Swine

Published on: October 20, 2023

Novel and Innovative Hybrid Technique for Type A Aortic Dissection06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm 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...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic 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...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Aortic Regurgitation I: Introduction01:15

Aortic 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...
Mitral Stenosis I: Introduction01:22

Mitral 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...
Cardiovascular System Abnormal Findings II: Auscultation01:25

Cardiovascular System Abnormal Findings II: Auscultation

Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
Abnormal Heart Sounds
Gallops: