Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Heart Valves

Heart Valves

The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...

Cardiac Catheterization III: Left Heart Catheterization

Cardiac Catheterization III: Left Heart Catheterization

Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...

Cardiac Catheterization II: Right Heart Catheterization

Cardiac Catheterization II: Right Heart Catheterization

Right Heart Catheterization: An OverviewRight heart catheterization is an invasive diagnostic procedure that measures right-sided cardiac and pulmonary artery pressures, calculates cardiac output, and identifies intracardiac shunts. It provides detailed hemodynamic data essential for diagnosing and managing various cardiovascular conditions, such as pulmonary hypertension.Access SitesCommon access sites for right heart catheterization include the internal jugular vein in the neck region, the...

Cardiac Catheterization IV: Nursing Management

Cardiac Catheterization IV: Nursing Management

Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...

Aortic Regurgitation I: Introduction

Aortic Regurgitation I: Introduction

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Preventing extrinsic mechanisms of bioprosthetic degeneration using polyphenols.

European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery·2022

Same author

Structural changes of rat mitral valve chordae tendineae during postnatal development.

The Journal of heart valve disease·2012

Same author

Ultrastructure of porcine mitral valve chordae tendineae.

The Journal of heart valve disease·2009

Same author

Direct measurement of nonuniform large deformations in soft tissues during uniaxial extension.

Journal of biomechanical engineering·2009

Same author

Skewness angle of interfibrillar proteoglycan increases with applied load on chordae tendineae.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2007

Same author

Novel geometries for tissue-engineered tendonous collagen constructs.

Tissue engineering·2006

Search research articles

Related Experiment Video

Updated: Jun 7, 2026

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

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

Published on: June 8, 2022

Transcatheter valves: a brave New World.

¹ValveXchange Inc., Aurora, Colorado 80045, USA. ivesely@valvexchange.com

The Journal of Heart Valve Disease

|November 9, 2010

Summary

Transcatheter valves offer new approaches to prosthetic valve therapy, differing from surgical valves in design and implantation. This review compares their performance, features, and impact on patient treatment.

Area of Science:

Cardiovascular medicine
Biomedical engineering
Medical device technology

Background:

Transcatheter valves have gained significant attention from medical professionals, engineers, and investors.
Transcatheter valve technology represents a departure from traditional surgical valve design and implantation.
This shift impacts the safety and efficacy of prosthetic valve replacement therapy.

Purpose of the Study:

To review and compare the performance of transcatheter valve procedures against established surgical valves.
To summarize the design features of emerging transcatheter valves.
To explore the potential impact of current and future transcatheter valves on patient treatment.

Main Methods:

Comparative review of transcatheter and surgical valve procedures.

Related Experiment Videos

Last Updated: Jun 7, 2026

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

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

Published on: June 8, 2022

Analysis of design characteristics of various transcatheter valves.

Exploration of clinical outcomes and patient management strategies.

Main Results:

Transcatheter valves present distinct design and implantation methods compared to surgical valves.
Emerging transcatheter valves exhibit innovative features.
The performance data indicates a significant impact on prosthetic valve therapy.

Conclusions:

Transcatheter valves are transforming prosthetic valve therapy, offering alternatives to surgical intervention.
Understanding the nuances of transcatheter valve design and performance is crucial for optimizing patient outcomes.
Future generations of transcatheter valves are expected to further influence cardiovascular treatment paradigms.