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Related Concept Videos

Endocarditis I: Introduction01:25

Endocarditis I: Introduction

23
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...
23
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

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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...
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Endocarditis IV: Nursing Management01:29

Endocarditis IV: Nursing Management

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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...
23
Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

14
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...
14
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

36
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...
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Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic

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Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies.
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Related Experiment Video

Updated: Sep 3, 2025

An In Vitro Model of a Parallel-Plate Perfusion System to Study Bacterial Adherence to Graft Tissues
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Infective Endocarditis in High-Income Countries.

Francesco Nappi1, Giorgia Martuscelli2, Francesca Bellomo3

  • 1Department of Cardiac Surgery, Centre Cardiologique du Nord, 93200 Saint-Denis, France.

Metabolites
|July 27, 2022
PubMed
Summary

Staphylococcus aureus is now a leading cause of infective endocarditis, particularly in elderly patients with comorbidities. Early diagnosis and treatment are crucial for improving outcomes in this high-risk group.

Keywords:
Staphylococcus aureusbiofilmfibronectinimmune responseinfective endocarditis

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Microbiology

Background:

  • Infective endocarditis (IE) poses a significant healthcare burden.
  • A shift in causative organisms from Streptococcus to Staphylococcus species is observed.
  • Staphylococcus virulence, biofilm formation, and antibiotic resistance complicate IE treatment.

Purpose of the Study:

  • To examine the pathophysiology of infective endocarditis.
  • To investigate Staphylococcus aureus virulence factors and host immune interactions.
  • To evaluate the potential role of prophylactic antibiotics and a novel vaccine for IE.

Main Methods:

  • Review of Staphylococcus aureus virulence determinants.
  • Analysis of host immune responses in IE.
  • Evaluation of prophylactic antibiotic efficacy and vaccine development.

Main Results:

  • Staphylococcus aureus exhibits high virulence and biofilm-forming capacity.
  • Elderly patients with comorbidities and those undergoing transcatheter procedures are at increased risk.
  • Antibiotic resistance is a growing concern in Staphylococcal IE.

Conclusions:

  • Transcatheter technologies and cardiac devices increase IE risk in vulnerable populations.
  • A high index of suspicion, early therapy, and heart team referral are essential for improved IE outcomes.
  • Further research into vaccines and prophylactic strategies is warranted.