Related Experiment Video
Updated: Jun 20, 2026
07:04
Creation of Two Saccular Elastase-Digested Aneurysms with Different Hemodynamics in One Rabbit
Published on: April 15, 2021
Postinfarction septal dissection and rupture evolved as an inferobasal pseudoaneurysm: a specific anatomical pattern
Isidoro Di Bella1, Uberto Da Col, Enrico Ramoni
1Department of Cardiac Surgery, S. Maria della Misericordia Hospital, Perugia, Italy. isidorodibella@yahoo.it
Journal of Cardiovascular Medicine (Hagerstown, Md.)
|September 23, 2009
Summary
Posterior myocardial infarction can cause septal rupture due to interventricular hematoma, forming a fibrotic chamber. This unusual finding is often missed by imaging, requiring high clinical suspicion for effective surgical management.
Area of Science:
- Cardiology
- Cardiac Surgery
- Medical Imaging
Background:
- Posterior myocardial infarction (MI) can lead to rare complications.
- Septal rupture is a severe consequence of MI.
- Interventricular hematoma can evolve into a complex fibrotic septal chamber.
Observation:
- This study presents a case of a dissecting interventricular hematoma.
- The hematoma evolved into a fibrotic septal chamber with dual ventricular communication.
- Standard echocardiography and ventricular angiography failed to detect this specific anatomical pattern.
Findings:
- The unusual anatomical configuration is often misdiagnosed.
- It can be mistaken for a normal interventricular defect with ventricular aneurysm or pseudoaneurysm.
- This specific septal rupture pattern was undetected by initial imaging modalities.
Implications:
- Early suspicion is crucial for appropriate surgical planning and intervention.
- This condition should be considered in patients with asymptomatic or minimally symptomatic post-MI posterior septal rupture.
- Accurate diagnosis is vital due to significant surgical implications.
Related Concept Videos
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...
01:26Aneurysm 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...
01:21Aneurysm 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...
01:23Rheumatic Heart Disease I: Introduction
Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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...
01:15Aortic 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...