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 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 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 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 II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...
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...

You might also read

Related Articles

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

Sort by
Same author

Influences of measurement environment and owner presence on in-clinic blood pressure in dogs.

The Canadian veterinary journal = La revue veterinaire canadienne·2026
Same author

Prediction of Overall Survival in Glioblastoma Using Early Postoperative Reduction in FLAIR Lesion Volume After Gross Total Resection.

Cancers·2026
Same author

Pulmonary botryomycosis in a cat.

The Journal of veterinary medical science·2026
Same author

Nationwide genomic data analysis of central nervous system tumors in Japan based on C-CAT database.

International journal of clinical oncology·2026
Same author

Significance of shunt placement for secondary communicating hydrocephalus in patients with high-grade glioma.

Journal of neuro-oncology·2026
Same author

Oral Environment of Esophageal Cancer Patients, the Incidence of Complications, and Long-Term Prognoses.

Current oncology (Toronto, Ont.)·2026

Related Experiment Video

Updated: May 18, 2026

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
07:42

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

Published on: May 19, 2020

Modified loop technique in three dogs with mitral regurgitation.

Takuma Aoki1, Yoko Fujii, Hiroshi Sunahara

  • 1Department of Surgery, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan. t-aoki@azabu-u.ac.jp

The Journal of Veterinary Medical Science
|September 14, 2012
PubMed
Summary

A new loop technique for mitral valvuloplasty (MVP) in dogs with mitral regurgitation (MR) shows promising results. This modified approach simplifies artificial chord placement, leading to significant improvement in cardiac murmurs and MR.

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

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

Related Experiment Videos

Last Updated: May 18, 2026

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
07:42

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat

Published on: May 19, 2020

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

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

Area of Science:

  • Veterinary Cardiology
  • Surgical Innovation
  • Canine Cardiac Surgery

Background:

  • Refractory mitral regurgitation (MR) in dogs often requires surgical intervention like mitral valvuloplasty (MVP).
  • A key challenge in MVP is securely placing artificial chord sutures (e.g., expanded polytetrafluoroethylene) at the precise mitral valve height due to knot slippage.
  • Existing human surgical techniques may offer solutions for canine MVP challenges.

Purpose of the Study:

  • To evaluate the efficacy of a modified loop technique for mitral valvuloplasty in dogs.
  • To address the technical difficulties associated with artificial chord placement in canine MVP.
  • To assess the impact of the new technique on mitral regurgitation and associated cardiac murmurs in dogs.

Main Methods:

  • A modified loop technique utilizing pre-manufactured loops (8.0-15.0 mm length, 1.0-mm increments) was employed.
  • The technique aimed to simplify the securement of expanded polytetrafluoroethylene sutures for artificial chord replacement.
  • The study involved three canine subjects with refractory mitral regurgitation.

Main Results:

  • Cardiac murmurs resolved in all three treated dogs.
  • Significant improvement or complete resolution of mitral regurgitation was observed approximately 3 months post-surgery.
  • The modified loop technique facilitated easier and more secure artificial chord placement.

Conclusions:

  • The modified loop technique appears to be an effective solution for the challenges of artificial chord placement in canine mitral valvuloplasty.
  • This innovative surgical approach shows potential for improving outcomes in dogs suffering from mitral regurgitation.
  • Further studies are warranted to confirm the long-term efficacy and widespread applicability of this technique in veterinary cardiology.