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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 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 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 II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
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.

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Related Experiment Video

Updated: Jun 24, 2026

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

Prosthetic mitral valve leaflets jammed by a balloon catheter.

Yoshiei Shimamura1, Yoshihiko Mochizuki, Yasuyuki Yamada

  • 1Department of Thoracic and Cardiovascular Surgery, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Shimotsuga-gun, Tochigi 321-0293, Japan. shimasantamerry@tulip.ocn.ne.jp

General Thoracic and Cardiovascular Surgery
|March 13, 2009
PubMed
Summary

During mitral valve replacement, a transmitral balloon catheter can jam prosthetic leaflets, obstructing deflation. Avoid excessive inflation and premature catheter removal to prevent this serious complication.

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Last Updated: Jun 24, 2026

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

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08:31

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Published on: October 16, 2021

Area of Science:

  • Cardiovascular Surgery
  • Biomedical Engineering
  • Medical Device Technology

Background:

  • Mechanical mitral valve replacement is a complex procedure requiring precise instrument manipulation.
  • Prosthetic heart valves are susceptible to mechanical complications during implantation and related procedures.
  • Transmitral balloon catheters are used for de-airing and leaflet manipulation during valve replacement.

Observation:

  • A case of prosthetic mitral valve leaflet jamming by a transmitral balloon catheter during mechanical mitral valve replacement was observed.
  • The catheter, inserted into the left ventricle for de-airing, inadvertently forced prosthetic leaflets into a closed position.
  • The jammed leaflets obstructed the catheter lumen, preventing adequate balloon deflation.

Findings:

  • Prosthetic mitral valve leaflet entrapment by a transmitral balloon catheter is a potential complication.
  • Obstructed balloon deflation occurred due to leaflet edges pinching the catheter lumen.
  • The jamming incident highlights the critical need for careful catheter management.

Implications:

  • Excessive balloon inflation and premature catheter extraction must be avoided during mitral valve replacement.
  • This complication can lead to significant procedural difficulties and potential patient harm.
  • Enhanced awareness and procedural modifications are necessary to mitigate the risk of prosthetic valve leaflet jamming.