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Related Concept Videos

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 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 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 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 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...

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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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Another multidisciplinary look at ischemic mitral regurgitation.

Tomasz A Timek1, D Craig Miller

  • 1West Michigan Cardiothoracic Surgeons and Spectrum Health System, Grand Rapids, Michigan, USA.

Seminars in Thoracic and Cardiovascular Surgery
|December 17, 2011
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Summary

Ischemic mitral regurgitation (IMR) is a complex heart condition often following heart attacks. Understanding its causes and improving treatments are crucial for better patient outcomes.

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An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
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High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
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High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

Published on: July 9, 2010

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Biomedical Engineering

Background:

  • Ischemic mitral regurgitation (IMR) is a significant complication of myocardial infarction and dilated cardiomyopathy.
  • It presents a challenging patient population with high mortality and poor long-term results.
  • Current understanding of IMR pathophysiology is incomplete, hindering optimal treatment.

Purpose of the Study:

  • To provide a multidisciplinary update on the pathophysiology of IMR.
  • To review the classification and current treatment strategies for IMR.
  • To highlight recent advancements in surgical and interventional approaches for IMR.

Main Methods:

  • Literature review focusing on pathophysiology, classification, and treatment of IMR.
  • Analysis of current clinical practices and emerging strategies.
  • Multidisciplinary approach integrating surgical and interventional perspectives.

Main Results:

  • The causative mechanisms of IMR primarily involve the mitral valve's annular and subvalvular structures.
  • Inconsistent definitions in the literature contribute to confusion regarding IMR.
  • Novel surgical and interventional strategies are emerging based on improved pathophysiological understanding.

Conclusions:

  • A comprehensive understanding of IMR pathophysiology is essential for improving surgical repair and patient outcomes.
  • Standard surgical repairs for IMR often result in recurrent insufficiency.
  • Recent advancements offer promising new treatment avenues for patients with IMR.