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Related Concept Videos

Endocarditis I: Introduction01:25

Endocarditis I: Introduction

707
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...
707
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

714
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...
714
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
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
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

785
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...
785
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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Related Experiment Video

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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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Infective Endocarditis With Paravalvular Extension: 35-Year Experience.

Simon Rouzé1, Erwan Flécher1, Matthieu Revest2

  • 1Department of Vascular and Cardio-Thoracic Surgery, Rennes University Health Centre, Rennes, France.

The Annals of Thoracic Surgery
|May 22, 2016
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Summary

Active infective endocarditis with paravalvular involvement is a complex surgical condition. Valve replacement with reconstruction offers a reliable solution, yielding encouraging outcomes for patients facing this challenge.

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Area of Science:

  • Cardiovascular Surgery
  • Infectious Diseases
  • Medical Device Technology

Background:

  • Active infective endocarditis (AIE) with paravalvular extension presents significant surgical challenges.
  • Understanding risk factors for mortality and reoperation is crucial for improving patient outcomes.

Purpose of the Study:

  • To evaluate surgical strategies and clinical results in patients with AIE and paravalvular involvement.
  • To identify independent predictors of early and late death and reoperation.

Main Methods:

  • Retrospective analysis of 207 patients with AIE and paravalvular extension from October 1979 to December 2014.
  • Detailed follow-up data collection to assess survival and reoperation rates.
  • Statistical analysis to determine independent risk factors for adverse outcomes.

Main Results:

  • Operative mortality was 16%; predictors of 30-day death included abnormal communication, mechanical valve implantation, and renal failure.
  • Long-term survival rates at 15 years were 37.9%. Predictors of long-term death included Streptococcus endocarditis, complex annular repair, and preoperative heart failure.
  • Reoperation was required in 14% of patients; predictors of late reoperation included urgent/emergency surgery, prosthetic valve endocarditis, and complex annular repair.

Conclusions:

  • Active infective endocarditis with paravalvular involvement remains a formidable surgical problem.
  • Valve replacement, especially with bioprosthesis, combined with tailored reconstruction, provides a reliable and effective surgical approach.
  • The study highlights encouraging results for this complex patient cohort.