Factors affecting the accurate determination of cerebrovascular blood flow using high speed droplet imaging

Stephen Rudin, Afshin Divani, Ajay K. Wakhloo, Baruch B. Lieber, William Granger, Daniel R. Bednarek, Chang Ying J Yang

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

Detailed cerebrovascular blood flow can be more accurately determined radiographically from the new droplet tracking method previously introduced by the authors than from standard soluble contrast techniques. For example, arteriovenous malformation (AVM) transit times which are crucial for proper glue embolization treatments, were shown to be about half when using droplets compared to those measured using soluble contrast techniques. In this work, factors such as x-ray pulse duration, frame rate, system spatial resolution (focal spot size), droplet size, droplet and system contrast parameters, and system noise are considered in relation to their affect on the accurate determination of droplet location and velocity.

Original languageEnglish (US)
Pages (from-to)232-241
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3337
DOIs
StatePublished - Dec 1 1998
EventMedical Imaging 1998: Physiology and Function from Multidimensional Images - San Diego, CA, United States
Duration: Feb 22 1998Feb 23 1998

Keywords

  • Aneurysms
  • Arteriovenous malformation (AVM)
  • Biplane fluoroscopy
  • Blood flow velocity
  • Droplet paths
  • High speed droplet imaging
  • Particle tracking
  • Real-time imaging
  • Vascular imaging
  • X-ray pulse duration

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