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Related Concept Videos

Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
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 Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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...
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
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...
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...

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Related Experiment Video

Updated: May 29, 2026

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
07:42

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

Published on: May 19, 2020

Cellular mechanisms in mitral valve disease.

Kareem Salhiyyah1, Magdi H Yacoub, Adrian H Chester

  • 1Imperial College London, Heart Science Centre, Harefield, Middlesex, UB9 6JH, UK.

Journal of Cardiovascular Translational Research
|September 6, 2011
PubMed
Summary

Mitral valve cells, including interstitial and endothelial cells, respond to mechanical forces to maintain valve function. Understanding these cells is key to treating mitral valve disease.

Area of Science:

  • Cardiovascular Biology
  • Cellular Mechanics
  • Valve Physiology

Background:

  • The mitral valve is a complex structure with diverse cell populations, including interstitial and endothelial cells.
  • These cells are crucial for responding to mechanical forces, ensuring valve function and durability.
  • Research has primarily focused on aortic valve cells, with limited understanding of mitral valve cellular roles.

Purpose of the Study:

  • To review the current knowledge on mitral valve cell function.
  • To explore how environmental changes affect mitral valve cells in disease.
  • To identify potential therapeutic targets for mitral valve disease.

Main Methods:

  • Literature review of studies on mitral valve cellular function.
  • Analysis of research on cellular responses to mechanical and chemical stimuli.

More Related Videos

Isolation of Human Primary Valve Cells for In vitro Disease Modeling
07:31

Isolation of Human Primary Valve Cells for In vitro Disease Modeling

Published on: April 16, 2021

Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve
09:13

Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve

Published on: June 14, 2017

Related Experiment Videos

Last Updated: May 29, 2026

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
07:42

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

Published on: May 19, 2020

Isolation of Human Primary Valve Cells for In vitro Disease Modeling
07:31

Isolation of Human Primary Valve Cells for In vitro Disease Modeling

Published on: April 16, 2021

Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve
09:13

Optimized Protocol for the Extraction of Proteins from the Human Mitral Valve

Published on: June 14, 2017

  • Synthesis of findings related to mitral valve disease pathophysiology.

    • Main Results:

    • Mitral valve interstitial and endothelial cells actively respond to mechanical stress.
    • Environmental factors significantly influence mitral valve cell behavior and function.
    • Existing research on mitral valve cells is less extensive compared to aortic valve cells.

    Conclusions:

    • Understanding mitral valve cellular mechanisms is vital for comprehending valve health and disease.
    • Further investigation into these cells may reveal novel molecular and pharmacological targets for treatment.
    • This review highlights the need for increased research focus on mitral valve cellular biology.