[Cross-sectional imaging of post endocarditis paravalvular myocardial abscesses of native mitral valves: 4 cases]

C Reynier1, J Garcier, B Legault

  • 1Service de Radiologie, CHU Montpied BP 69, 63003 Clermont-Ferrand Cedex.

Journal De Radiologie
|July 13, 2001
PubMed

Insights

Submitral myocardial abscesses, rare post-endocarditis complications in fragile patients, can be suggested by CT and MRI. These imaging techniques aid in diagnosis and surgical planning for this infrequent condition.

Area of Science:

  • Cardiology
  • Radiology
  • Infectious Diseases

Background:

  • Subvalvular aortic abscesses are well-documented complications of endocarditis.
  • Submitral myocardial abscesses are infrequently described, posing diagnostic challenges.

Observation:

  • This study details four cases of submitral myocardial abscesses in critically ill patients, often with comorbidities like diabetes mellitus and cardiovascular disease.
  • Staphylococcus aureus was identified as the causative agent in two cases.
  • An iatrogenic source was noted in one patient, highlighting potential procedural risks.

Findings:

  • Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) can incidentally suggest the diagnosis of submitral myocardial abscess.
  • These advanced imaging modalities provide crucial morphological details for surgical assessment.

Implications:

  • CT and MRI offer valuable diagnostic support, complementing echocardiography, particularly transesophageal echocardiography.
  • Accurate imaging is essential for optimizing the timing of surgical intervention in these complex cases.

Related Concept Videos

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 IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
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...
Endocarditis IV: Nursing Management01:29

Endocarditis IV: Nursing Management

Infective endocarditis (IE) is a chronic infection of the heart's endocardium, primarily affecting the heart valves. A detailed nursing assessment for a patient with IE involves collecting subjective and objective data to ensure an accurate diagnosis and timely intervention.Subjective DataThe nurse gathers information about the patient's symptoms and complaints during the subjective assessment. Patients with infective endocarditis often report non-specific symptoms that can mimic other...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
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...