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Related Concept Videos

Endocarditis I: Introduction01:25

Endocarditis I: Introduction

717
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...
717
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

718
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...
718
Endocarditis IV: Nursing Management01:29

Endocarditis IV: Nursing Management

555
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...
555
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

555
Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
555
Endocarditis III: Medical Management01:18

Endocarditis III: Medical Management

325
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...
325
Pericarditis I: Introduction01:22

Pericarditis I: Introduction

609
Pericarditis is defined as the inflammation of the pericardium, the thin, sac-like membrane surrounding the heart. This condition can cause significant chest pain and other symptoms, often necessitating medical intervention. The pericardium has two layers: the inner visceral layer and the outer parietal layer, separated by a small amount of fluid that reduces friction during heartbeats.Types of PericarditisPericarditis can be classified into several types based on the duration and nature of the...
609

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Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
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[INFLAMMATION AND CARDIAC INSUFFICIENCY ASSOCIATED WITH INFECTIOUS ENDOCARDITIS].

T A Fedorova, S Ya Tazina, L V Kaktursky

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    Infectious endocarditis patients showed elevated troponin-1 levels correlating with inflammation and cardiac issues. This suggests non-coronary myocardial damage contributes to heart failure in these cases.

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    Area of Science:

    • Cardiology
    • Infectious Diseases
    • Biomarkers

    Background:

    • Infectious endocarditis (IE) is a serious infection affecting heart valves.
    • Assessing disease activity and complications in IE is crucial for patient management.
    • Myocardial involvement and dysfunction are significant concerns in IE.

    Purpose of the Study:

    • To evaluate the diagnostic significance of dynamic measurements of C-reactive protein (CRP), tumor necrosis factor (TNF), and highly sensitive troponin-1 (hsTnI).
    • To assess the relationship between hsTnI levels and inflammation markers, myocardial characteristics, and circulatory failure in IE patients.
    • To investigate the role of myocardial lesions in the progression of cardiac failure associated with IE.

    Main Methods:

    • Retrospective analysis of 62 patients with uncomplicated IE.
    • Dynamic monitoring of serum levels of CRP, TNF, and hsTnI.
    • Morphological examination of myocardial tissue.

    Main Results:

    • Elevated hsTnI levels were significantly associated with inflammation markers and indicators of circulatory failure.
    • Morphological studies revealed inflammatory and dystrophic changes in the myocardium, including cardiofibrosis.
    • These myocardial changes suggest non-coronary myocardial lesions contribute to cardiac failure in IE.

    Conclusions:

    • Dynamic monitoring of hsTnI, CRP, and TNF aids in evaluating IE activity, severity, and complications.
    • Non-coronary myocardial lesions, evidenced by inflammation and fibrosis, are implicated in the development of cardiac failure in IE.
    • hsTnI serves as a valuable biomarker for assessing myocardial impact in infectious endocarditis.