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Case report
Prolonged hypotension following elective stenting of an internal carotid artery stenosis
  1. Hugh Stephen Winters1,
  2. Craig Anderson2,
  3. Geoff Parker3
  1. 1Department of Radiology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
  2. 2Department of Neurology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
  3. 3Department of Interventional Neuroradiology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
  1. Correspondence to Dr H S Winters, Department of Radiology, Royal Prince Alfred Hospital, Missenden Road, Sydney, New South Wales 2050, Australia; stephen.winters{at}gmail.com

Abstract

We report a case of a 72-year-old man who had undergone elective stenting of an asymptomatic high grade stenosis of the proximal left internal carotid artery. The indication was progression of the stenosis over a 3 year period despite receiving maximal medical therapy, and patient preference for stenting over endarterectomy. He became profoundly hypotensive in the immediate post-stent period and required immediate and prolonged vasopressor support over the next week. The etiological hypothesis is baroreceptor hyperactivity related to procedure induced unilateral stretching of the carotid body.

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