Extracranial internal carotid artery mycotic aneurysm: case report and review

Jessica Beth O'Connell1, Sean Darcy, Todd Reil

  • 1UCLA Gonda (Goldschmied) Vascular Center, David Geffen School of Medicine at University of California, Los Angeles, California 90095-6908, USA. jbocjboc@hotmail.com

Insights

This case report details a rare mycotic aneurysm of the internal carotid artery (ICA) caused by Klebsiella pneumoniae. Surgical intervention with vein grafting proved successful in treating this life-threatening condition.

Area of Science:

  • Vascular Surgery
  • Infectious Diseases
  • Radiology

Background:

  • Mycotic aneurysms of the internal carotid artery (ICA) are uncommon and challenging to diagnose.
  • They pose significant risks of morbidity and mortality if untreated due to nonspecific symptoms and unclear origins.

Observation:

  • A 47-year-old woman presented with an extracranial ICA mycotic aneurysm.
  • The condition was linked to Klebsiella pneumoniae infection.

Findings:

  • Diagnosis was established through clinical evaluation and advanced radiographic imaging.
  • Surgical treatment involved aneurysm excision and reconstruction using a saphenous vein interposition graft.

Implications:

  • This case highlights the importance of considering infectious etiologies in arterial aneurysms.
  • Effective management requires prompt diagnosis and appropriate surgical intervention, as reviewed in the literature.

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