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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 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 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...
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...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.

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Commissural region dehiscence from the stent post of Carpentier-Edwards bioprosthetic cardiac valves.

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Related Experiment Video

Updated: Jun 4, 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

Cardiac valve replacement surgery: prostheses and technological considerations.

W R Jamieson1

  • 1Clinical Professor of Surgery, Vancouver Hospital and Health Sciences Center, University of British Columbia, Vancouver, Canada.

Surgical Technology International
|February 15, 2011
PubMed
Summary
This summary is machine-generated.

Cardiac valve replacement surgery offers advanced mechanical and biological prostheses to reduce complications like thromboembolism and structural failure, improving patient outcomes.

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Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
11:12

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves

Published on: October 17, 2013

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Last Updated: Jun 4, 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

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
11:12

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves

Published on: October 17, 2013

Area of Science:

  • Cardiovascular Surgery
  • Biomedical Engineering
  • Prosthetic Devices

Background:

  • Cardiac valve replacement surgery has significantly evolved over the last 20 years.
  • Developments aim to minimize valve-related complications and enhance hemodynamic function.
  • Mechanical and biological prostheses serve as key valvular substitutes.

Purpose of the Study:

  • To review advancements in mechanical and biological prostheses for cardiac valve replacement.
  • To highlight strategies for reducing complications such as thromboembolism, hemorrhage, and structural failure.
  • To discuss optimization of hemodynamic performance and implantation considerations.

Main Methods:

  • Review of technological advancements in mechanical prostheses design.
  • Analysis of tissue preservation and stent design in bioprostheses (porcine aortic, bovine pericardium).
  • Consideration of factors supporting ventricular performance during implantation.

Main Results:

  • Mechanical prostheses are engineered to prevent structural failure and thrombus formation, with improved leaflet positioning and radiopacity.
  • Bioprostheses utilize tissue preservation and advanced stent designs to maintain leaflet anatomical and biomechanical properties.
  • Current generation prostheses require specific implantation techniques to ensure optimal ventricular support and avoid complications.

Conclusions:

  • Significant progress in cardiac valve prostheses has led to improved safety and efficacy.
  • Both mechanical and biological options offer distinct advantages in addressing valve-related issues.
  • Careful patient selection and surgical technique are crucial for successful cardiac valve replacement outcomes.