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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 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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Related Experiment Video

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Technical Aspects of the Mouse Aortocaval Fistula
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Primary aortoenteric fistula.

Filipe Vilas-Boas1, Fernando Azevedo2, Margarida Marques2

  • 1Department of Gastroenterology, Faculty of Medicine, Centro Hospitalar de S. João, Alameda Prof. Hernani Monteiro, 4200-319, Porto, Portugal. filipe.vboas.silva@gmail.com.

Clinical Journal of Gastroenterology
|July 17, 2015
PubMed
Summary
This summary is machine-generated.

Primary aortoenteric fistula, a rare complication of aortic aneurysms, presents diagnostic challenges. Early suspicion and imaging are crucial for timely intervention and improved patient outcomes in gastrointestinal bleeding cases.

Keywords:
Aortoenteric fistulaGastrointestinal bleedingHerald bleed

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Area of Science:

  • Vascular Surgery
  • Gastroenterology
  • Diagnostic Imaging

Background:

  • Primary aortoenteric fistula is a rare but serious complication of aortic aneurysms.
  • It often presents with nonspecific symptoms, leading to diagnostic difficulties and delays.
  • Gastrointestinal bleeding is a significant manifestation of this condition.

Purpose of the Study:

  • To report a case of primary aortoduodenal fistula.
  • To highlight the diagnostic challenges associated with this rare condition.
  • To emphasize the importance of high clinical suspicion for prompt diagnosis and management.

Main Methods:

  • Case report of an 80-year-old male patient.
  • Initial diagnostic workup including upper and lower endoscopies.
  • Abdominal computed tomography (CT) scan to identify aortoduodenal fistula.
  • Emergency surgical intervention: laparotomy, aortic bypass, and fistula closure.

Main Results:

  • Endoscopies were initially unremarkable, delaying diagnosis.
  • Abdominal CT scan successfully identified the aortoduodenal fistula.
  • Emergency surgery led to the patient's recovery.
  • Delayed diagnosis can lead to fatal outcomes.

Conclusions:

  • A high index of suspicion is essential for diagnosing primary aortoenteric fistula.
  • Advanced imaging like CT scans is critical when initial endoscopic evaluations are negative.
  • Prompt surgical management is vital for survival in cases of aortoenteric fistula.