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Related Concept Videos

Endocarditis I: Introduction01:25

Endocarditis I: Introduction

Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
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 I: Introduction01:23

Rheumatic Heart Disease I: Introduction

Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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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An In Vitro Model of a Parallel-Plate Perfusion System to Study Bacterial Adherence to Graft Tissues
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Prosthetic valve endocarditis.

Maura Nataloni1, Martina Pergolini, Giuseppe Rescigno

  • 1Outpatient Cardiology Service, Fabriano Hospital, Asur Marche, Italy.

Journal of Cardiovascular Medicine (Hagerstown, Md.)
|February 16, 2010
PubMed
Summary
This summary is machine-generated.

Prosthetic valve endocarditis (PVE) is a growing concern with increasing incidence and high mortality. Staphylococcus species are the leading cause, necessitating comprehensive diagnosis and often surgical intervention for better outcomes.

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Cardiac Surgery

Background:

  • Prosthetic valve endocarditis (PVE) presents a significant challenge with increasing incidence, affecting 20-30% of infective endocarditis cases.
  • Despite advancements, PVE is linked to high early and midterm mortality rates.

Purpose of the Study:

  • To review recent changes in the epidemiology, microbiology, diagnosis, and therapy of PVE.
  • To highlight evolving management strategies and risk factors for PVE.

Main Methods:

  • Comprehensive analysis of current literature on PVE.
  • Review of diagnostic approaches including clinical, echocardiographic, and laboratory data.
  • Evaluation of therapeutic strategies and surgical indications.

Main Results:

  • Staphylococci (Staphylococcus aureus and coagulase-negative Staphylococcus) are now the predominant pathogens in PVE, associated with poorer prognosis.
  • Diagnosis can be complex due to complications and extracardiac manifestations, requiring integrated assessment.
  • Early PVE, comorbidities, heart failure, and prosthetic dehiscence are key mortality predictors.

Conclusions:

  • PVE management requires a multidisciplinary approach, often favoring surgical intervention over medical treatment alone.
  • Evidence-based guidelines are lacking; treatment decisions are risk-stratified.
  • Systematic prophylaxis is crucial to prevent this severe complication following cardiac valve replacement.