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Bilateral stenting of symptomatic and asymptomatic internal carotid artery stenosis due to fibromuscular dysplasia

Abstract

Stent grafting of internal carotid artery (ICA) stenoses due to fibromuscular dysplasia has been rarely and only unilaterally carried so far. Bilateral carotid stent grafting of ICA stenoses due to fibromuscular dysplasia has not been reported previously. In a 37 year old woman with recurrent right hemispheric transitory ischaemic attacks, a non-disabling minor stroke, and recurrent right amaurosis fugax despite antithrombotic therapy, cerebral angiography disclosed a long segment narrowing, distal, high grade (95%) stenosis of the right ICA and a long narrowing, distal high grade (70%) stenosis of the left ICA. Morphological features of both stenoses were indicative of fibromuscular dysplasia. The right sided stenosis was stented with a PTFE-HEMOBAHN® endoprosthesis; this was followed by a brief, postprocedural left sided hemiparesis. The left sided ICA stenosis was successfully stented by the same procedure. Nine months later, both stents were still patent and the patient was symptom free. Bilateral carotid stenting may remain an alternative to endarterectomy in bilateral ICA stenosis due to fibromuscular dysplasia when ischaemic events persist despite full antithrombotic therapy.

  • carotid surgery
  • carotid dysplasia
  • internal carotid artery stenosis
  • angioplasty

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