Prediction of tolerance to carotid artery occlusion using transcranial Doppler ultrasound

C. A. Giller, D. Mathews, B. Walker, P. Purdy, A. M. Roseland

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Surgical sacrifice of the carotid artery is a frequently anticipated event during the treatment of certain aneurysms and tumors. The ability to predict tolerance to carotid artery occlusion is therefore of benefit when planning procedures in which carotid artery is at risk. A trial of carotid artery occlusion using an angiographic balloon during concurrent neurological examination of blood flow studies is an accepted method for testing tolerance, but it carries the risks of an angiogram and cannot be performed at the bedside. Transcranial Doppler ultrasound (TCD) is a noninvasive modality that permits measurement of blood velocity in cerebral vessels. The immediate effects of carotid artery occlusion on middle cerebral artery (MCA) perfusion can be obtained by insonating this artery during manual carotid artery compression. To compare the TCD response to carotid artery compression with the data obtained with more formal testing, the MCA of 22 patients was insonated during manual carotid artery compression and the results compared with the clinical tolerance to balloon occlusion in all patients and to blood flow studied by single photon emission computerized tomography before or during balloon occlusion in 14 of the 22 patients. Surgery was planned to treat giant unruptured aneurysms in 17 cases, intracranial tumors in three, a carotid-cavernous fistula in one, and a carotid artery injury in one. Fifteen patients showed a reduction in TCD flow velocities by no more than 65% of these, 14 (93%) clinically tolerated the balloon occlusion test. Of the seven patients showing a TCD flow velocity decrease of more than 65%, six (86%) developed a transient focal deficit during the occlusion. It is concluded that the change in MCA velocity measurement with TCD studies during manual carotid artery occlusion is a useful prediction of the clinical and blood flow responses to a trial of carotid artery occlusion with an angiographic balloon.

Original languageEnglish (US)
Pages (from-to)15-19
Number of pages5
JournalJournal of Neurosurgery
Volume81
Issue number1
StatePublished - 1994

Fingerprint

Doppler Ultrasonography
Carotid Arteries
Balloon Occlusion
Middle Cerebral Artery
Aneurysm
Carotid Artery Injuries
Data Compression
Middle Cerebral Artery Infarction
Neurologic Examination
Single-Photon Emission-Computed Tomography
Fistula
Neoplasms
Angiography
Arteries
Perfusion

Keywords

  • balloon occlusion test
  • carotid artery occlusion
  • middle cerebral artery
  • transcranial Doppler ultrasound

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)

Cite this

Prediction of tolerance to carotid artery occlusion using transcranial Doppler ultrasound. / Giller, C. A.; Mathews, D.; Walker, B.; Purdy, P.; Roseland, A. M.

In: Journal of Neurosurgery, Vol. 81, No. 1, 1994, p. 15-19.

Research output: Contribution to journalArticle

Giller, CA, Mathews, D, Walker, B, Purdy, P & Roseland, AM 1994, 'Prediction of tolerance to carotid artery occlusion using transcranial Doppler ultrasound', Journal of Neurosurgery, vol. 81, no. 1, pp. 15-19.
Giller, C. A. ; Mathews, D. ; Walker, B. ; Purdy, P. ; Roseland, A. M. / Prediction of tolerance to carotid artery occlusion using transcranial Doppler ultrasound. In: Journal of Neurosurgery. 1994 ; Vol. 81, No. 1. pp. 15-19.
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