The transcranial doppler appearance of acute carotid artery occlusion

Cole A. Giller, Dana Mathews, Phillip Purdy, Thomas A. Kopitnik, H. Hunt Batjer, Duke S. Samson

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

Transcranial Doppler ultrasound is a noninvasive technique of cerebral blood velocity measurement that is being increasingly used to detect untoward hemodynamic changes. In this report, we describe striking transcranial Doppler ultrasound changes occurring in 2 patients after cervical carotid artery occlusion that led to cerebral infarction. These changes consist of the sudden appearance of a Doppler signal of extremely low pulsatility and moderately high velocity in the middle cerebral artery distribution. In 1 patient, this signal was the first sign of carotid occlusion. We suggest that these transcranial Doppler ultrasound changes can provide an early warning of carotid artery compromise.

Original languageEnglish (US)
Pages (from-to)101-103
Number of pages3
JournalAnnals of Neurology
Volume31
Issue number1
DOIs
StatePublished - Jan 1992

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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