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Surgical triumph over mycotic threat: Managing a superior mesenteric artery aneurysm complicated by endocarditis

Victor Cabrera-Bou1,2, Alyssa Dellutri1, Frederick Fisher1,2

  • 1College of Medicine, University of Central Florida, Orlando, FL.

Journal of Vascular Surgery Cases and Innovative Techniques
|January 16, 2026
PubMed

Insights

Mycotic aneurysms of the superior mesenteric artery (SMA) are rare but dangerous. This case demonstrates successful open repair of a complex, infected SMA aneurysm, highlighting the importance of early recognition and intervention.

Area of Science:

  • Vascular Surgery
  • Infectious Diseases
  • Radiology

Background:

  • Mycotic aneurysms of the superior mesenteric artery (SMA) are uncommon vascular lesions, accounting for less than 1% of all mesenteric aneurysms.
  • These aneurysms are frequently associated with infective endocarditis and carry a significant risk of rupture and mortality.
  • Prior history of infective endocarditis and prosthetic valve replacement increases the complexity of managing SMA aneurysms.
Keywords:
Case reportInfective endocarditisMycotic aneurysmOpen vascular repairStreptococcus mutansSuperior mesenteric artery

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