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Related Experiment Videos

[Primary aortoenteric fistula].

E Argañin1, A da S Minas, M Klein

  • 1Servicio de Clínica Médica, Clínica Modelo, Lanús, Provincia de Buenos Aires, Argentina.

Medicina
|July 5, 2001
PubMed
Summary
This summary is machine-generated.

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Primary aortoduodenal fistulas are rare causes of gastrointestinal bleeding. This case highlights a patient with melena and an abdominal mass, diagnosed via imaging and laparotomy, successfully treated with bypass and surgical repair.

Area of Science:

  • Vascular Surgery
  • Gastroenterology
  • Diagnostic Imaging

Background:

  • Aortoenteric fistulas are rare but life-threatening complications, often presenting with obscure gastrointestinal bleeding.
  • Primary aortoduodenal fistulas, specifically, are exceedingly uncommon, posing diagnostic challenges.

Observation:

  • A 56-year-old male presented with melena and a pulsating abdominal mass, initially unresponsive to endoscopic evaluation.
  • Repeated upper digestive endoscopies failed to identify the source of bleeding.
  • Computed axial tomography and angiography revealed an abdominal aortic aneurysm.

Findings:

  • Exploratory laparotomy confirmed a primary aortoduodenal fistula originating from the abdominal aortic aneurysm.
  • Surgical intervention involved an aortoaortic bypass and direct surgical repair of the duodenal fistula.

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  • The patient experienced a successful recovery and was discharged within six days.

    • Implications:

    • This case underscores the importance of considering rare vascular anomalies in the differential diagnosis of obscure gastrointestinal bleeding.
    • Advanced imaging modalities and surgical exploration are crucial for diagnosing and managing aortoenteric fistulas.
    • Timely diagnosis and surgical management can lead to favorable outcomes in patients with this rare condition.