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Research ArticleInterventionalE

Feasibility of Cerebral Blood Volume Mapping by Flat Panel Detector CT in the Angiography Suite: First Experience in Patients with Acute Middle Cerebral Artery Occlusions

T. Struffert, Y. Deuerling-Zheng, T. Engelhorn, S. Kloska, P. Gölitz, M. Köhrmann, S. Schwab, C.M. Strother and A. Doerfler
American Journal of Neuroradiology April 2012, 33 (4) 618-625; DOI: https://doi.org/10.3174/ajnr.A2839
T. Struffert
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Y. Deuerling-Zheng
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T. Engelhorn
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S. Kloska
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P. Gölitz
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M. Köhrmann
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S. Schwab
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C.M. Strother
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A. Doerfler
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Abstract

BACKGROUND AND PURPOSE: A new FPCT application offers the possibility of perfusion (FPCT CBV) and parenchymal (FPCT) imaging within the angiography suite. We tested the hypothesis that findings in FPCT CBV and FPCT would correlate with those obtained using MSCT and PCT.

MATERIALS AND METHODS: In 16 patients with acute MCA occlusion, FPCT CBV was performed immediately posttreatment. The volume of tissue having abnormal CBV values was determined by FPCT CBV and PCT images. Stroke volume on follow-up MSCT was determined, CBV values in the effected parenchyma were measured, and FPCT images were reviewed.

RESULTS: In 6 cases, we found a FPCT CBV value identical or higher (hyperemia) in comparison with the contralateral side. In 10 cases, we found CBV lesions with values lower (oligemia) than the contralateral brain tissue. We found a high correlation of CBV lesion volume on FPCT CBV images to stroke volume on follow-up MSCT (r = 0.9, P < .05) in the oligemia group. Absolute FPCT CBV and PCT CBV values were comparable and showed good correlation (r = 0.9, P < .05). In 8 patients, contrast medium extravasation was visible.

CONCLUSIONS: The new FPCT application allows assessment of CBV in acute stroke patients. Our initial results indicate that these measurements may predict final infarct volume. The ability to assess this key parameter of cerebral perfusion within the angiographic suite may improve the management of these patients.

ABBREVIATIONS:

FPCT
flat panel detector CT
GRE
gradient-recalled echo
MPR
multiplanar reformation
MSCT
multisection CT
PBV
parenchymal blood volume
PCT
perfusion CT
TIMI
Thrombolysis in Myocardial Infarction
  • © 2012 by American Journal of Neuroradiology
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American Journal of Neuroradiology: 33 (4)
American Journal of Neuroradiology
Vol. 33, Issue 4
1 Apr 2012
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Feasibility of Cerebral Blood Volume Mapping by Flat Panel Detector CT in the Angiography Suite: First Experience in Patients with Acute Middle Cerebral Artery Occlusions
T. Struffert, Y. Deuerling-Zheng, T. Engelhorn, S. Kloska, P. Gölitz, M. Köhrmann, S. Schwab, C.M. Strother, A. Doerfler
American Journal of Neuroradiology Apr 2012, 33 (4) 618-625; DOI: 10.3174/ajnr.A2839

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Feasibility of Cerebral Blood Volume Mapping by Flat Panel Detector CT in the Angiography Suite: First Experience in Patients with Acute Middle Cerebral Artery Occlusions
T. Struffert, Y. Deuerling-Zheng, T. Engelhorn, S. Kloska, P. Gölitz, M. Köhrmann, S. Schwab, C.M. Strother, A. Doerfler
American Journal of Neuroradiology Apr 2012, 33 (4) 618-625; DOI: 10.3174/ajnr.A2839
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  • Time-Resolved C-Arm Computed Tomographic Angiography Derived From Computed Tomographic Perfusion Acquisition: New Capability for One-Stop-Shop Acute Ischemic Stroke Treatment in the Angiosuite
  • Dynamic Angiography and Perfusion Imaging Using Flat Detector CT in the Angiography Suite: A Pilot Study in Patients with Acute Middle Cerebral Artery Occlusions
  • C-Arm Flat Detector CT Parenchymal Blood Volume Thresholds for Identification of Infarcted Parenchyma in the Neurointerventional Suite
  • Exploring the Value of Using Color-Coded Quantitative DSA Evaluation on Bilateral Common Carotid Arteries in Predicting the Reliability of Intra-Ascending Aorta Flat Detector CT-CBV Maps
  • A Novel Technique for the Measurement of CBF and CBV with Robot-Arm-Mounted Flat Panel CT in a Large-Animal Model
  • A prospective, multicenter pilot study investigating the utility of flat detector derived parenchymal blood volume maps to estimate cerebral blood volume in stroke patients
  • Radiation Doses of Cerebral Blood Volume Measurements Using C-Arm CT: A Phantom Study
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