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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...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...

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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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[Late infective mechanical aortic valve prosthesis endocarditis].

Anna Lisowska1, Małgorzata Knapp, Bozena Sobkowicz

  • 1Klinika Kardiologii, Uniwersytet Medyczny, ul. Kilińskiego 1, 15-089 Białystok. anlila@poczta.onet.pl

Kardiologia Polska
|December 24, 2008
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Summary

This case highlights late infective endocarditis on a mechanical aortic valve prosthesis, complicated by a para-aortic abscess. Diagnosis was challenging due to negative blood cultures and initial echocardiogram findings.

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Cardiac Surgery

Background:

  • Infective endocarditis (IE) on prosthetic valves is a serious complication.
  • Late IE occurring on mechanical aortic valves presents diagnostic challenges.

Observation:

  • A patient presented with symptoms suggestive of IE on a mechanical aortic valve prosthesis.
  • Negative blood cultures and inconclusive transthoracic echocardiogram (TTE) complicated the initial diagnosis.
  • The patient's critical condition necessitated urgent intervention.

Findings:

  • A large para-aortic abscess was identified as a complication of the prosthetic valve endocarditis.
  • Transesophageal echocardiography (TEE) proved crucial for diagnosis immediately prior to cardiac surgery.
  • The case underscores the difficulties in diagnosing IE with non-specific clinical and initial imaging findings.

Implications:

  • Prompt and accurate diagnosis of prosthetic valve endocarditis is vital for patient outcomes.
  • Transesophageal echocardiography is an essential tool in diagnosing complex IE cases.
  • This case emphasizes the need for high clinical suspicion in patients with prosthetic valves and concerning symptoms, even with negative initial investigations.