Related Experiment Video
Updated: Aug 1, 2025
09:31
Hemodynamic Precision in the Neonatal Intensive Care Unit using Targeted Neonatal Echocardiography
Published on: January 27, 2023
1.0K
Tricuspid Regurgitation: Right Ventricular Volume Versus Pressure Load
Robert Naeije1, Khodr Tello2, Michele D'Alto3
1Free University of Brussels, 808 Route de Lennik, B-1070, Brussels, Belgium. rnaeije@gmail.com.
Current Heart Failure Reports
|April 26, 2023
Summary
Tricuspid regurgitation increases mortality, linked to right ventricular adaptation. New imaging techniques aid in refining tricuspid valve repair indications for better patient outcomes.
Area of Science:
- Cardiology
- Cardiac Surgery
- Medical Imaging
Background:
- Tricuspid regurgitation (TR) is linked to higher mortality, influenced by the right ventricle's response to increased volume and pulmonary artery pressure.
- Understanding right ventricular adaptation to loading conditions is crucial for optimizing tricuspid valve repair recommendations.
Purpose of the Study:
- To review recent advancements in understanding right ventricular adaptation.
- To inform improved recommendations for tricuspid valve repair.
Main Methods:
- Review of current literature on right ventricular adaptation and tricuspid regurgitation.
- Analysis of imaging modalities for assessing right ventricular function and pulmonary pressures.
Main Results:
- Trans-catheter tricuspid valve repair offers new avenues, necessitating refined indications.
- Imaging techniques like MRI, 3D-echocardiography (for RV ejection fraction), and 2D-echocardiography (for TAPSE/SPAP ratio) are vital for assessing repair eligibility.
- Invasive measurements of pulmonary artery pressure and resistance are also key.
Conclusions:
- Refined definitions of right ventricular failure and pulmonary hypertension are needed.
- These advancements will guide future recommendations for treating tricuspid regurgitation.
Related Concept Videos
01:15Aortic Regurgitation I: Introduction
20
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...
20
01:20Mitral Regurgitation I: Introduction
23
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
23
01:22Aortic Regurgitation II: Clinical Features and Diagnostic Tests
37
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...
37
01:27Regulation of Stroke Volume
3.3K
The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
3.3K
01:22Mitral Stenosis I: Introduction
20
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...
20
01:28Mitral Regurgitation IV: Nursing Management
52
Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...
52