Related Experiment Video

Updated: Aug 16, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
09:22

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

Published on: November 4, 2015

[Polypous endocarditis of the tricuspid valve. The morphological changes in the heart and lung in one case]

S Nachev, R Takov

    Eksperimentalna Meditsina I Morfologiia
    |January 1, 1993
    PubMed

    Insights

    This case study details polypous endocarditis affecting the tricuspid valve, presenting as recurrent pulmonary thromboembolism. The findings highlight complex cardiac and pulmonary pathology, emphasizing the need to consider associated conditions in its development.

    Area of Science:

    • Cardiology
    • Pathology

    Background:

    • Polypous endocarditis is a rare condition affecting heart valves.
    • The etiology of polypous endocarditis, particularly when affecting the tricuspid valve, often remains unclear, with potential links to septic states or idiopathic origins.

    Observation:

    • A case of polypous endocarditis involving the tricuspid valve is presented.
    • Clinically, the condition manifested as chronic, recurrent pulmonary thromboembolism.
    • Morphological examination revealed massive fibroplastic verrucous endocarditis of the tricuspid valve, with associated right atrial and ventricular involvement, and significant myocardial fibrosis.

    Findings:

    • The patient's death resulted from massive thrombotic embolism in the pulmonary artery branches.
    • Extensive thromboembolic and hemorrhagic pulmonary infarctions with adaptive vascular reconstruction were observed.
    • A discrete rheumatic-type aortic valve affection was noted.

    Implications:

    • The co-occurrence of essential hypertension and a history of thrombophlebitis suggests these may play a role in the etiopathogenesis of the observed myocardiopathy.
    • This case underscores the complex interplay of factors contributing to severe endocarditis and its sequelae.
    • Further research into the etiopathogenesis of idiopathic polypous endocarditis is warranted.

    More Related Videos

    Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation08:43

    Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation

    Published on: March 17, 2023

    A Murine Model of Pressure Overload-Induced Right Ventricular Hypertrophy and Failure by Pulmonary Trunk Banding04:49

    A Murine Model of Pressure Overload-Induced Right Ventricular Hypertrophy and Failure by Pulmonary Trunk Banding

    Published on: June 14, 2024

    Related Concept Videos

    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...
    Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

    Mitral Stenosis II: Clinical features and Diagnostic Tests

    Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
    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...
    Endocarditis II: Clinical Features of Infective Endocarditis01:25

    Endocarditis II: Clinical Features of Infective Endocarditis

    Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
    Rheumatic Heart Disease I: Introduction01:23

    Rheumatic 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...
    Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

    Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

    The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...