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Related Concept Videos

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...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
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 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 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...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...

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Related Experiment Video

Updated: Jul 17, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Aortic valve endocarditis with root abscess causing superior vena cava obstruction: a case report.

Malo Marcel Francois Scullion1, Peter Lynn1, Adam Marshall1

  • 1Cardiology Department, University Hospital Hairmyres, Eaglesham Road, East Kilbride, Glasgow G75 8RG, UK.

European Heart Journal. Case Reports
|January 9, 2020
PubMed
Summary

This case report details the first instance of infective endocarditis causing a root abscess and superior vena cava (SVC) obstruction. Symptoms improved spontaneously, highlighting potential collateral circulation in rare cases of Streptococcus anginosus endocarditis.

Keywords:
Aortic root abscessCase reportEndocarditisSVC obstructionStreptococcus anginosus

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Vascular Surgery

Background:

  • Reports the first case of infective endocarditis causing a root abscess and superior vena cava (SVC) obstruction.
  • Highlights Streptococcus anginosus as a rare pathogen associated with abscess formation.

Observation:

  • An 84-year-old male with prosthetic valve replacement presented with S. anginosus endocarditis, root abscess, and subsequent SVC obstruction.
  • Clinical signs of SVC obstruction developed despite antibiotic treatment, with imaging revealing an enlarging abscess.
  • Surgical intervention was deemed unsuitable due to abscess size and vascular involvement.

Findings:

  • The patient's SVC obstruction symptoms improved spontaneously within weeks, attributed to collateral venous circulation.
  • Streptococcus anginosus endocarditis, though rare, is linked to abscess formation and carries risks for older males with prior cardiac surgery.

Implications:

  • This case expands the differential diagnosis for SVC obstruction, including infective endocarditis with abscess.
  • The spontaneous improvement suggests a potential role for conservative management or the body's natural compensatory mechanisms in select cases.
  • Recognizes risk factors for S. anginosus endocarditis, including advanced age, male gender, and history of cardiac surgery.