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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...
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

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...
Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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...
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...

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Related Experiment Video

Updated: Jul 13, 2026

Porcine Model of Infrarenal Abdominal Aortic Aneurysm
11:13

Porcine Model of Infrarenal Abdominal Aortic Aneurysm

Published on: November 21, 2019

Mycotic suprarenal aortic aneurysm.

E A Suddleson1, S G Katz, R D Kohl

  • 1Department of Surgery, Huntington Memorial Hospital, Pasadena, California 91109.

Annals of Vascular Surgery
|May 1, 1987
PubMed
Summary

Mycotic suprarenal aortic aneurysms require prompt diagnosis using imaging like CT scans. Anatomic reconstruction offers a successful treatment, leading to good patient outcomes and no recurrence.

Area of Science:

  • Vascular Surgery
  • Infectious Diseases
  • Radiology

Background:

  • Mycotic aneurysms of the suprarenal aorta are rare but life-threatening conditions.
  • Early diagnosis and intervention are crucial for patient survival.

Observation:

  • Two cases of mycotic suprarenal aortic aneurysm are presented.
  • Diagnosis was aided by 67-Gallium Citrate Scanning, Computer Assisted Tomography (CT), and Angiography.
  • Progressive symptoms and aortic wall changes on CT indicated urgent surgical intervention.

Findings:

  • Both patients underwent urgent resection and anatomic reconstruction.
  • One patient presented with a contained rupture.
  • Cultures identified Salmonella dublin and Bacteroides fragilis.

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  • Post-operative continuous antibiotic therapy was administered.
  • One-year follow-up showed asymptomatic patients with negative blood cultures and stable CT results.

    • Implications:

    • Anatomic reconstruction is the preferred surgical method for mycotic suprarenal aortic aneurysms.
    • Successful treatment involves a combination of surgical repair and prolonged antibiotic therapy.
    • Long-term outcomes appear favorable with no evidence of recurrent infection or aneurysm dilatation.