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Recurrent floating common carotid artery thrombus related to COVID-19: A case report

S Bouchal1, G Essayeh2, H Naouli3

  • 1Department of Neurology, Hassan II University Teaching Hospital, Fez, Morocco; Laboratory of Epidemiology, Clinical Research and Health Community, Faculty of Medicine and Pharmacy, Sidi Mohammed Ben Abdallah University, Fez, Morocco.

Journal De Medecine Vasculaire
|April 29, 2023
PubMed

Insights

A rare floating carotid thrombus (FCT) complicated a COVID-19 infection, leading to ischemic stroke. Despite treatment, the patient experienced recurrence and died, highlighting potential severe vascular risks of coronavirus disease.

Area of Science:

  • Vascular Medicine
  • Infectious Diseases
  • Neurology

Background:

  • Arterial and venous thrombosis are known complications of coronavirus infections.
  • Floating carotid thrombus (FCT) in the common carotid artery is an uncommon condition, typically associated with atherosclerosis.

Observation:

  • A 54-year-old man presented with an ischemic stroke one week after COVID-19 symptom onset.
  • The stroke was caused by a large intraluminal floating thrombus in the left common carotid artery.

Findings:

  • Despite surgical intervention and anticoagulation therapy, the patient experienced a local recurrence of the thrombus.
  • Additional thrombotic complications arose, ultimately leading to the patient's demise.

Implications:

  • This case underscores the potential for severe and unusual vascular complications, such as FCT, following COVID-19 infection.
  • It highlights the critical need for vigilance regarding thrombotic events in patients with coronavirus disease, even in the absence of traditional risk factors like atherosclerosis.
  • Further research is warranted to understand the mechanisms linking COVID-19 to such rare thrombotic phenomena and to develop effective management strategies.

Keywords:
COVID-19 infectionCommon carotid arteryFloating carotid thrombusIschemic stroke

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