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Related Concept Videos

Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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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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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 III: Interprofessional Care01:26

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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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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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The Aorta01:14

The Aorta

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The aorta is the largest artery in the human body. It originates from the left ventricle of the heart and extends down to the abdomen, where it splits into two smaller arteries. Structurally, it can be divided into four main parts: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta.
The average diameter of the aorta is approximately 2-3 cm, but the size can vary depending on the section of the aorta and the individual's age, sex, and body size. The aorta is...
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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

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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...
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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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Infections of the aorta.

Chandrasekar Padmanabhan1, Aayush Poddar1

  • 1Department of Cardiothoracic Surgery, G.Kuppuswamy Naidu Memorial Hospital, Coimbatore, India.

Indian Journal of Thoracic and Cardiovascular Surgery
|April 25, 2022
PubMed
Summary

Aortic infections are a serious challenge, often requiring surgery. Early diagnosis and a combined treatment approach are crucial for improving patient outcomes and reducing high mortality rates.

Keywords:
Aortic graft infectionsAortic infectionsGraft conservationOmentopexyPericardial tubeStent graft infections

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Area of Science:

  • Vascular Surgery
  • Infectious Diseases
  • Cardiology

Background:

  • Aortic infections present significant morbidity and mortality, with increasing rates of graft infections, particularly endograft infections.
  • Staphylococcus species are the most common pathogens, but gram-negative bacteria and rare agents are also implicated.
  • Diverse clinical presentations necessitate a high index of suspicion for timely diagnosis.

Purpose of the Study:

  • To review the current understanding of aortic infections, including diagnosis, management, and outcomes.
  • To highlight the challenges in treating these complex infections and the need for integrated treatment strategies.

Main Methods:

  • Literature review of aortic infection diagnosis and management.
  • Analysis of causative agents, clinical presentations, and treatment modalities.
  • Discussion of surgical and endovascular approaches, including aortic substitutes.

Main Results:

  • Diagnosis relies on clinical features, microbial cultures, and imaging.
  • Antibiotics alone are rarely curative; surgical management involving debridement and reconstruction is the standard of care.
  • Pericardial tube grafts show promise, while endovascular options serve as a bridge to surgery. Aortic fistulation to the gut/airway has very high mortality.

Conclusions:

  • Aortic infections require a multidisciplinary, customized approach due to a lack of guideline-directed treatments.
  • The 30-day mortality remains high (around 30%), influenced by patient factors, diagnosis, and treatment strategy.
  • Integrated surgical management offers the best outcomes, though challenges persist in optimizing patient care.