The use of ultrasound for postoperative monitoring of cerebral bypass grafts: A technical report

Ryan P. Morton, Isaac Joshua Abecassis, Anne E. Moore, Cory M. Kelly, Michael R. Levitt, Louis J. Kim, Laligam N. Sekhar

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Duplex ultrasound and transcranial Doppler are valuable tools for post-operative monitoring of extracranial-intracranial cerebral bypass grafts. Here we describe our technique for the evaluation of both high-flow and low-flow cerebral bypass grafts over a nine year period. 186 bypass grafts were studied daily during the inpatient period between Jan 2005 and Dec 2014 after surgery for various cerebrovascular pathologies. There was a technical success rate of 97%. Duplex ultrasonographic flow measurements had excellent interobserver reliability with an intraclass correlation coefficient (ICC) of 0.89 (p = 0.009). Technical nuances are highlighted and a brief discussion of pathology is undertaken.

Original languageEnglish (US)
Pages (from-to)169-174
Number of pages6
JournalJournal of Clinical Neuroscience
Volume40
DOIs
StatePublished - Jun 2017
Externally publishedYes

Keywords

  • Duplex
  • EC-IC bypass
  • Flow
  • Transcranial Doppler
  • Ultrasound
  • Vasospasm

ASJC Scopus subject areas

  • Surgery
  • Neurology
  • Clinical Neurology
  • Physiology (medical)

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