Transcranial ultrasound angiography (tUSA): A new approach for contrast specific imaging of intracranial arteries

Thilo Hölscher, Wilko G. Wilkening, Patrick D. Lyden, Robert F. Mattrey

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The goal was to develop an ultrasound contrast agent-specific imaging mode that offers an angiography-like view of the intracranial arteries and enables lower mechanical index MI settings compared to conventional transcranial duplex sonography. We studied 12 patients with transcranial ultrasound angiography (tUSA) via the temporal bone window after an IV bolus injection of a perfluorocarbon-based microbubble contrast agent (Imagent®). The aim was to display the intracranial vessel segments of the middle cerebral artery (M1, M2 and M3), the anterior cerebral artery (A1 and A2), the posterior cerebral artery (P1, P2 and P3) and the internal carotid artery (C1/2 and C3/4). tUSA is a B-mode phase inversion imaging technique that uses wideband harmonic signals for image generation. We demonstrate, in this report, that tUSA provides detailed anatomical display at native B-mode spatial resolution with fewer artifacts, yielding improved delineation of intracranial vessels that are in the 1- to 2-mm range.

Original languageEnglish (US)
Pages (from-to)1001-1006
Number of pages6
JournalUltrasound in Medicine and Biology
Volume31
Issue number8
DOIs
StatePublished - Aug 1 2005

Fingerprint

angiography
arteries
Angiography
Arteries
Contrast Media
vessels
Posterior Cerebral Artery
Anterior Cerebral Artery
Fluorocarbons
Microbubbles
Temporal Bone
Middle Cerebral Artery
Internal Carotid Artery
varespladib methyl
Artifacts
delineation
Ultrasonography
imaging techniques
bones
artifacts

Keywords

  • Angiography
  • Intracranial arteries
  • Phase inversion
  • Transcranial
  • Ultrasound contrast

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Transcranial ultrasound angiography (tUSA) : A new approach for contrast specific imaging of intracranial arteries. / Hölscher, Thilo; Wilkening, Wilko G.; Lyden, Patrick D.; Mattrey, Robert F.

In: Ultrasound in Medicine and Biology, Vol. 31, No. 8, 01.08.2005, p. 1001-1006.

Research output: Contribution to journalArticle

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