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Related Concept Videos

Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

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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...
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Mitral Stenosis I: Introduction01:22

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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...
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Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

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IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
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Mitral Valve Prolapse III: Nursing Management01:19

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The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
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Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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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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Mitral Regurgitation I: Introduction01:20

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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...
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Related Experiment Video

Updated: Feb 17, 2026

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
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Undiagnosed mitroflow bioprosthesis deformation causing early structural valve deterioration.

Marco Gennari1, Gianluca Polvani2,3, Mara Rubino2

  • 1Centro Cardiologico Monzino, IRCCS, Milan, Italy. marcogennari.md@gmail.com.

General Thoracic and Cardiovascular Surgery
|December 1, 2017
PubMed
Summary

Early structural valve deterioration in bioprosthetic mitral valves can occur. A case study highlights Mitroflow valve failure due to ring deformation and leaflet rupture, necessitating mechanical valve replacement.

Keywords:
BioprosthesisCardiac surgeryRedo surgeryStructural valve deterioration

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Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Cardiac Surgery

Background:

  • Bioprosthetic valves are frequently implanted in elderly patients for mitral valve replacement.
  • Long-term durability of bioprosthetic valves is often limited by structural valve deterioration (SVD).
  • Understanding mechanisms of early SVD is crucial for improving valve design and patient outcomes.

Observation:

  • A 69-year-old patient presented with symptoms indicative of early bioprosthetic valve dysfunction.
  • Imaging revealed significant ring deformation and prosthetic leaflet rupture of the implanted Mitroflow bioprosthesis.
  • This presentation suggested an accelerated form of structural valve deterioration.

Findings:

  • The primary cause of early bioprosthetic valve failure was identified as mechanical stress leading to ring deformation.
  • Prosthetic leaflet rupture was a direct consequence of the altered valve geometry and stress distribution.
  • These findings point to a specific failure mode in this bioprosthesis model.

Implications:

  • Early structural valve deterioration can necessitate reoperation, increasing patient risk and healthcare costs.
  • This case underscores the need for vigilant monitoring of bioprosthetic valves, especially in younger or higher-risk patients.
  • Further research into bioprosthetic valve design and material science is warranted to enhance long-term durability and prevent premature failure.