Changes of Contrast-Specific Ultrasonic Cerebral Perfusion Patterns in the Course of Stroke; Reliability of Region-Wise and Parametric Imaging Analysis

Changes of Contrast-Specific Ultrasonic Cerebral Perfusion Patterns in the Course of Stroke; Reliability of Region-Wise and Parametric Imaging Analysis

Abstract Ultrasound perfusion imaging (UPI) reliably detects size and localization of acute stroke. It remains unclear which time window detects, most sensitively and specifically, early changes of cerebral perfusion patterns and whether region-wise analysis is superior to parametric imaging analysi...

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Veröffentlicht in:Ultrasound in medicine & biology 2007-03, Vol.33 (3), p.329-334
Hauptverfasser: Eyding, Jens, Nolte-Martin, Anke, Krogias, Christos, Postert, Thomas
Format: Artikel
Sprache:eng
Schlagworte:
Acute Disease
Acute stroke
Aged
Brain
Cerebrovascular Circulation - physiology
Contrast Media
Female
Humans
Image Interpretation, Computer-Assisted - methods
Imaging
Male
Neurosonology
Perfusion
Radiology
Reproducibility of Results
Sensitivity and Specificity
Stroke - diagnostic imaging
Stroke - physiopathology
Tomography, X-Ray Computed - methods
Transcranial
Ultrasonography, Doppler, Transcranial - methods
Ultrasound
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Zusammenfassung:Abstract Ultrasound perfusion imaging (UPI) reliably detects size and localization of acute stroke. It remains unclear which time window detects, most sensitively and specifically, early changes of cerebral perfusion patterns and whether region-wise analysis is superior to parametric imaging analysis. Bilateral phase inversion harmonic imaging examinations (bolus kinetic, fitted model function) were performed twice (acutely and 28 h later) in 10 patients with acute ischemic stroke (
ISSN:0301-5629
1879-291X
DOI:10.1016/j.ultrasmedbio.2006.08.013