Superior mesenteric artery aneurysm: an uncommon disease with potentially serious complications

Ehab Akkary1, Tonya Cramer, Miral Patel

  • 1Preston Memorial Hospital, Kingwood, WV, USA.

Insights

Superior mesenteric artery aneurysms (SMAAs), often linked to infective endocarditis, present nonspecific symptoms. Early diagnosis and surgical intervention are crucial for managing this rare but potentially fatal condition.

Area of Science:

  • Vascular Surgery
  • Infectious Diseases
  • Abdominal Imaging

Background:

  • Superior mesenteric artery aneurysms (SMAAs) are rare but life-threatening conditions.
  • Mycotic aneurysms, often secondary to infective endocarditis, account for approximately half of SMAA cases.
  • SMAAs present with nonspecific symptoms, ranging from asymptomatic to severe abdominal pain, complicating early detection.

Observation:

  • A case report details a 53-year-old male presenting with abdominal pain post-infective endocarditis treatment.
  • CT imaging revealed a superior mesenteric artery aneurysm and a splenic infarct in the patient.
  • The patient successfully underwent surgical excision of the aneurysm with a favorable outcome.

Findings:

  • SMAAs are associated with a high mortality rate due to rupture risk.
  • Clinical diagnosis is challenging due to nonspecific symptoms and physical examination findings.
  • This case highlights the importance of considering SMAA in patients with relevant medical history and abdominal symptoms.

Implications:

  • Emphasizes the need for heightened clinical suspicion for SMAA in at-risk populations.
  • Underscores the critical role of advanced imaging, such as CT scans, in diagnosing SMAA.
  • Promotes timely surgical management to prevent catastrophic rupture and improve patient outcomes.

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