Related Experiment Video
Updated: Mar 24, 2026

11:00
Biaxial Mechanical Characterizations of Atrioventricular Heart Valves
Published on: April 9, 2019
15.4K
[Solid lesions of heart valves]
Iu V Belov1, M A Nechaenko1, L M Kuznetsova1
1B.V. Petrovsky Russian Research Center of Surgery, Moscow.
Khirurgiia
|March 16, 2016
Summary
Diagnosing cardiac valve lesions is challenging but achievable with advanced imaging. Surgical intervention offers good long-term survival and quality of life for patients.
Area of Science:
- Cardiovascular Surgery
- Cardiac Pathology
- Diagnostic Imaging
Context:
- Solid lesions of cardiac valves, including tumors and pseudotumors, present diagnostic and therapeutic challenges.
- Early and accurate diagnosis is crucial for effective management and improved patient outcomes.
Purpose:
- To analyze the clinical, diagnostic, and surgical aspects of cardiac valve solid lesions.
- To evaluate the long-term results of surgical treatment for these conditions.
Summary:
- A study of 51 patients with cardiac valve lesions analyzed clinical, diagnostic, and surgical data.
- Timely diagnosis, though difficult, is possible using clinical history, symptom patterns, and advanced imaging (TTE, TEE, CT, MRI).
- Urgent surgical treatment involving hypothermic perfusion and cardioplegia is key to successful outcomes.
Impact:
- Hospital complications occurred in 17.7% of patients, with a mortality rate of 3.9%.
- One- and 28-year overall survival rates were 100% and 94.1%, respectively.
- Post-surgical quality of life was reported as good, satisfactory, or unsatisfactory in 73.5%, 20.4%, and 6.1% of cases, respectively.
Related Concept Videos
Heart Valves
13.4K
The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
13.4K
Heart Sounds
4.2K
Heart sounds are generated by the turbulence in blood flow due to the closing of heart valves. These sounds are best perceived slightly away from the valves, where the blood flow disseminates the sound.
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
S1, also known as the "lub" sound, is caused by the closure of atrioventricular (A-V)...
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
S1, also known as the "lub" sound, is caused by the closure of atrioventricular (A-V)...
4.2K
Layers of the Heart Wall
6.4K
The heart wall comprises three distinct layers: the epicardium, myocardium, and endocardium. The outermost layer, the epicardium, is the visceral layer of the serous pericardium, featuring a thin, transparent mesothelial surface and an inner layer of areolar connective tissue with fat deposits that increase with age.
The myocardium, the thickest layer, consists of cardiac muscle cells interconnected by intercalated discs and crisscrossing connective tissue fibers. These muscle fibers contract...
The myocardium, the thickest layer, consists of cardiac muscle cells interconnected by intercalated discs and crisscrossing connective tissue fibers. These muscle fibers contract...
6.4K
Mitral Stenosis II: Clinical features and Diagnostic Tests
403
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...
403
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies
970
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...
970
Endocarditis II: Clinical Features of Infective Endocarditis
735
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...
735

