Related Experiment Video
Updated: Jun 15, 2026
09:05
Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
Published on: October 20, 2016
Sequential changes in myocardial function after valve replacement for aortic stenosis by speckle tracking
Christian Rost1, S Korder, G Wasmeier
1University of Erlangen, Erlangen, Germany. rost.christian@gmx.net
Summary
Regional myocardial function significantly improves after aortic valve replacement (AVR) for aortic stenosis (AS). Speckle tracking echocardiography (STE) revealed distinct recovery patterns for longitudinal, radial, and circumferential functions over six months.
Area of Science:
- Cardiology
- Echocardiography
- Cardiac Mechanics
Background:
- Regional myocardial function can vary with different pathologies.
- Aortic stenosis (AS) significantly impacts cardiac function.
- Aortic valve replacement (AVR) is a critical intervention for severe AS.
Purpose of the Study:
- To evaluate longitudinal, radial, and circumferential myocardial function in AS patients before and after AVR using speckle tracking echocardiography (STE).
- To assess changes in diastolic function (E/e' ratio) post-AVR.
- To understand the temporal recovery patterns of myocardial function after AVR.
Main Methods:
- Prospective study involving 40 patients with severe AS undergoing AVR.
- Speckle tracking echocardiography (STE) used to measure longitudinal, radial, and circumferential strain (LS, RS, CS).
- Echocardiographic assessments performed pre-AVR, 1 week post-AVR, and 6 months post-AVR.
Main Results:
- Left ventricular mass decreased significantly 6 months post-AVR.
- Left ventricular ejection fraction remained unchanged.
- Strain values (LS, RS, CS) increased significantly by 6 months post-AVR (16%, 21%, 28% respectively).
- E/e' ratio significantly decreased 6 months post-AVR (26.1 to 15.9).
Conclusions:
- Myocardial function shows significant recovery after AVR in AS patients.
- Distinct recovery patterns exist for longitudinal, radial, and circumferential myocardial function.
- STE is a feasible and clinically important tool for assessing regional function post-AVR.
Related Concept Videos
01:23Mitral 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...
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...
01:22Mitral 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...
01:22Rheumatic 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...
01:27Mitral Stenosis IV: Nursing Management
A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
01:17Imaging Studies for Cardiovascular System I:Echocardiography
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...