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Related Concept Videos

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

Mitral Valve Prolapse II: Assessment and Management

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 tachycardia.
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 Valve Prolapse III: Nursing Management01:19

Mitral Valve Prolapse III: Nursing Management

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...
Mitral Stenosis IV: Nursing Management01:27

Mitral 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...

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Related Experiment Video

Updated: Jun 20, 2026

Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model
05:31

Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model

Published on: June 8, 2022

Opportunities in pulmonary valve replacement.

Thomas Oosterhof1, Mark G Hazekamp, Barbara J M Mulder

  • 1Department of Cardiology, Academic Medical Center, Amsterdam, The Netherlands.

Expert Review of Cardiovascular Therapy
|September 22, 2009
PubMed
Summary
This summary is machine-generated.

Pulmonary regurgitation after surgery for pulmonary stenosis often requires reoperation. Percutaneous pulmonary valve implantation may reduce the need for repeat surgeries, preserving right ventricular function.

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Four-Dimensional Computed Tomography-Guided Valve Sizing for Transcatheter Pulmonary Valve Replacement
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Four-Dimensional Computed Tomography-Guided Valve Sizing for Transcatheter Pulmonary Valve Replacement

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Transcatheter Pulmonary Valve Replacement from Autologous Pericardium with a Self-Expandable Nitinol Stent in an Adult Sheep Model
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A Rodent Model of The Ross Operation: Syngeneic Pulmonary Artery Graft Implantation in A Systemic Position
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Four-Dimensional Computed Tomography-Guided Valve Sizing for Transcatheter Pulmonary Valve Replacement
09:57

Four-Dimensional Computed Tomography-Guided Valve Sizing for Transcatheter Pulmonary Valve Replacement

Published on: January 20, 2022

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Biomedical Engineering

Background:

  • Pulmonary regurgitation is a common complication after surgical correction of pulmonary stenosis.
  • Severe regurgitation can lead to right ventricular dilatation and dysfunction.
  • Current treatments involve allograft or mechanical valve replacement, each with limitations.

Purpose of the Study:

  • To evaluate the potential of percutaneous pulmonary valve implantation (PPVI) as an alternative to surgical valve replacement.
  • To assess the impact of PPVI on reducing reoperations and preserving right ventricular health.

Main Methods:

  • Review of current literature on pulmonary valve replacement outcomes.
  • Analysis of data regarding allograft degradation and reoperation rates.
  • Exploration of the feasibility and early outcomes of percutaneous pulmonary valve implantation.

Main Results:

  • Allograft pulmonary valves often degrade, necessitating reoperation within 10-20 years.
  • Surgical valve replacement carries risks of reoperation and complications associated with mechanical prostheses.
  • Percutaneous pulmonary valve implantation shows promise in avoiding repeat surgeries.

Conclusions:

  • Percutaneous pulmonary valve implantation offers a less invasive approach to managing pulmonary regurgitation.
  • PPVI has the potential to decrease the number of surgical reoperations, improving long-term outcomes for patients.
  • Further research is needed to establish the long-term efficacy and safety of PPVI.