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Case of non-typhoidal Salmonella spp mycotic popliteal artery aneurysm with concurrent deep vein thrombosis

Michael Sangiorgio1, Shi Zhou Choo2, Daniel Gavaghan3

  • 1Department of General Medicine, Barwon Health, Geelong, Victoria, Australia mgiorgio212@gmail.com.

BMJ Case Reports
|August 14, 2023
PubMed

Insights

Mycotic aneurysms, rare infections caused by Salmonella bacteria, can affect leg arteries. Early recognition and surgical treatment are crucial for recovery in patients with cardiovascular disease.

Area of Science:

  • Vascular Surgery
  • Infectious Diseases
  • Cardiology

Background:

  • Mycotic aneurysms are known complications of non-typhoidal Salmonella bacteraemia, particularly in patients with atherosclerosis.
  • The infrarenal abdominal aorta is the most common site, while lower extremity aneurysms are infrequent.

Observation:

  • A patient with cardiovascular disease and recurrent non-typhoidal Salmonella bacteraemia developed a left popliteal artery mycotic aneurysm.
  • The aneurysm presented with secondary popliteal vein thrombosis and was diagnosed upon rupture.

Findings:

  • The popliteal artery mycotic aneurysm was successfully managed with surgical excision and bypass graft.
  • The patient experienced a complete recovery following the intervention.

Implications:

  • Clinicians should maintain awareness of popliteal artery mycotic aneurysms as a rare but serious complication of Salmonella bacteraemia.
  • Consideration of this diagnosis is important in patients with cardiovascular risk factors, recurrent bacteraemia, and lower limb deep vein thrombosis.
Keywords:
Hepatitis and other GI infectionsInfection (gastroenterology)Ischaemic heart diseaseVascular surgeryVenous thromboembolism

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