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Mitral Valve Prolapse I: Introduction

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 Valve Prolapse II: Assessment and Management

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 Regurgitation II: Clinical Features and Diagnostic Tests

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 III: Medical Management

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 Tests

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 Stenosis III: Medical Management

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...

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Related Experiment Video

Updated: Jul 15, 2026

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

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

Published on: October 16, 2021

Orthotopic Transcatheter Mitral Valve Replacement.

Marvin H Eng¹, Firas Zahr²

¹Structural Heart Program, Division of Cardiology, University of Arizona, Banner University Medical Center, 755 East McDowell Road, Phoenix, AZ 85006, USA.

Interventional Cardiology Clinics

|March 3, 2024

Summary

Transcatheter mitral valve replacement (TMVR) offers hope for patients unsuitable for surgery or edge-to-edge repair. Achieving stable anchoring and sealing are key challenges for this innovative treatment.

Keywords:

Left ventricular outflow tract obstruction Mitral valve Orthotopic Transcatheter mitral valve replacement

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Last Updated: Jul 15, 2026

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

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Published on: October 16, 2021

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Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels

Published on: May 26, 2023

Area of Science:

Cardiovascular Medicine
Interventional Cardiology
Biomedical Engineering

Background:

Mitral valve dysfunction frequently affects elderly individuals.
Transcatheter edge-to-edge repair (TEER) benefits many, but not all, patients unsuitable for surgery.
A significant unmet need exists for alternative transcatheter mitral valve interventions.

Purpose of the Study:

To highlight the potential and challenges of orthotopic transcatheter mitral valve replacement (TMVR).
To identify critical requirements for successful TMVR device development and implantation.

Main Methods:

Review of current literature and technological advancements in transcatheter mitral valve interventions.
Analysis of the anatomical and physiological challenges associated with orthotopic TMVR.
Discussion of the multidisciplinary expertise required for patient selection and procedure success.

Main Results:

Orthotopic TMVR requires prostheses with stable anchoring and effective sealing.
Minimizing the device footprint within the left ventricle is crucial.
Long-term durability of TMVR devices remains a key consideration.

Conclusions:

Orthotopic TMVR is a promising innovation for specific patient groups with mitral valve dysfunction.
Successful TMVR implementation depends on addressing challenges in device design, anchoring, sealing, and durability.
A collaborative approach involving advanced imaging, cardiac surgery, and heart failure specialists is essential for optimal outcomes.