Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

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 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 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 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...

You might also read

Related Articles

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

Sort by
Same author

Registry-based estimation of cardiac event-free survival in congenital heart disease complicated by pulmonary hypertension: A nationwide registry study from Japan.

International journal of cardiology. Congenital heart disease·2026
Same author

Safety and Pharmacokinetics of Nirsevimab in Japanese Infants: Primary Analysis of the Open-Label JUBILUS Trial.

Journal of the Pediatric Infectious Diseases Society·2026
Same author

Infliximab therapy in a child with Kawasaki disease 2 weeks after receiving rotavirus vaccination.

Pediatrics international : official journal of the Japan Pediatric Society·2026
Same author

Japanese Nationwide Survey of New Heart Failure Drug Prescriptions by Pediatric Cardiologists.

Circulation reports·2026
Same author

Heart transplantation following a successful bridge-to-bridge strategy in acute type A aortic dissection with left main coronary malperfusion.

Journal of artificial organs : the official journal of the Japanese Society for Artificial Organs·2026
Same author

Cardiac conduction system malformations in heterotaxy result from dysregulated Pitx2 expression.

JCI insight·2026

Related Experiment Video

Updated: May 11, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
14:14

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

14.0K

Modified Fixed Loop-in-Loop Technique in Mitral Valve Repair for Children.

Kunihiko Joo1, Yoshie Ochiai1, Yuma Motomatsu1

  • 1Department of Cardiovascular Surgery, JCHO Kyushu Hospital, Kitakyushu City, Japan.

Annals of Thoracic Surgery Short Reports
|January 10, 2025
PubMed
Summary
This summary is machine-generated.

Pediatric mitral valve repair for Carpentier type II mitral regurgitation is challenging. A modified loop-in-loop technique successfully reconstructed artificial chordae in 3 children, offering a viable surgical option.

More Related Videos

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
08:31

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

Published on: October 16, 2021

3.8K
Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
08:12

Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

Published on: May 26, 2023

1.5K

Related Experiment Videos

Last Updated: May 11, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
14:14

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

14.0K
A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
08:31

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

Published on: October 16, 2021

3.8K
Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
08:12

Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

Published on: May 26, 2023

1.5K

Area of Science:

  • Cardiovascular Surgery
  • Pediatric Cardiology
  • Biomedical Engineering

Background:

  • Standard mitral valve repair for Carpentier type II mitral regurgitation in adults involves artificial chordae reconstruction.
  • Technical difficulties exist in pediatric mitral valve repair due to the restricted subvalvular space.
  • Precise artificial chordae length placement is crucial but challenging in pediatric patients.

Purpose of the Study:

  • To describe a modified surgical technique for mitral valve repair in pediatric patients.
  • To address the technical challenges of artificial chordae placement in children with mitral regurgitation.

Main Methods:

  • A modified fixed loop-in-loop technique was employed for mitral valve repair.
  • The procedure was performed in 3 pediatric patients with Carpentier type II mitral regurgitation.
  • Focus was on precise placement of artificial chordae within the restricted subvalvular space.

Main Results:

  • Successful mitral valve repair was achieved in all 3 pediatric patients.
  • The modified technique facilitated the placement of artificial chordae of precise length.
  • The procedure demonstrated feasibility in the pediatric population.

Conclusions:

  • The modified fixed loop-in-loop technique is a successful approach for pediatric mitral valve repair.
  • This technique overcomes the challenges associated with artificial chordae placement in children.
  • It offers a promising solution for treating mitral regurgitation in pediatric patients.