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Related Concept Videos

Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Aneurysm I: Introduction01:30

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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Aortic Regurgitation I: Introduction01:15

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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...
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Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

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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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Endocarditis I: Introduction01:25

Endocarditis I: Introduction

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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...
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Group A Streptococcus-infected Aortic Aneurysm.

Mari Yamaoka1,2, Yohei Kanzawa1,3, Nobuya Sano4

  • 1Department of General Internal Medicine, Akashi Medical Center, Japan.

Internal Medicine (Tokyo, Japan)
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Group A Streptococcus (GAS) rarely causes infected aortic aneurysms (IAA), a dangerous condition. This case highlights the diagnostic challenges and successful surgical management of GAS-induced IAA.

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Area of Science:

  • Infectious Diseases
  • Cardiovascular Surgery
  • Medical Diagnostics

Background:

  • Infected aortic aneurysm (IAA) is a rare but life-threatening condition with a high risk of rupture.
  • Group A Streptococcus (GAS) is an uncommon pathogen implicated in IAA, presenting diagnostic challenges due to non-specific symptoms.

Purpose of the Study:

  • To report a rare case of IAA caused by GAS.
  • To review existing literature on GAS-induced IAA.
  • To discuss diagnostic and therapeutic challenges associated with GAS-induced IAA.

Main Methods:

  • Case presentation of a 64-year-old male with IAA.
  • Initial diagnosis based on imaging and blood cultures confirming GAS.
  • Surgical intervention and review of relevant literature.

Main Results:

  • The patient presented with abdominal bloating and fever, initially suspected as IAA.
  • Blood cultures confirmed GAS infection.
  • The patient survived emergency surgery for the expanding aneurysm.

Conclusions:

  • IAA caused by GAS is rare and diagnostically challenging.
  • Prompt diagnosis and surgical intervention are crucial for survival.
  • Optimal surgical timing and management strategies require further investigation.