A Rare Cause of Primary Aortoenteric Fistula: Streptococcus parasanguinis Aortitis

Fredy Nehme1, Kyle Rowe1, Cyrus Munguti1

  • 1Department of Internal Medicine, Kansas University School of Medicine, Wichita, KS, USA.

Insights

Primary aortoenteric fistula, a rare cause of gastrointestinal bleeding, can be fatal if diagnosis is delayed. This case highlights infectious aortitis as a cause and the need for early surgical intervention.

Area of Science:

  • Cardiovascular Surgery
  • Infectious Diseases
  • Gastroenterology

Background:

  • Primary aortoenteric fistula is a rare but life-threatening condition causing upper gastrointestinal bleeding.
  • Aortitis, or aortic wall inflammation, is an uncommon etiology for aortoenteric fistulae.

Observation:

  • A 72-year-old male presented with an infectious aortoenteric fistula.
  • The fistula was secondary to infection by *Streptococcus parasanguinis*.

Findings:

  • This case underscores the critical need for prompt diagnosis of aortoenteric fistulae.
  • Aggressive surgical management is essential for favorable outcomes.

Implications:

  • Infectious aortitis should be considered in the differential diagnosis of aortoenteric fistulae.
  • Early recognition and treatment of aortoenteric fistulae can significantly reduce mortality.

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