Efficacy of dual-layer spectral detector computed tomography for detecting early ischemic changes in patients with acute ischemic stroke: A pilot study
This video highlights an original research article published in the Journal of Clinical Imaging Science published by Scientific Scholar.
This study evaluated the efficacy of dual-layer spectral detector computed tomography for detecting early ischemic changes in patients with acute ischemic stroke, focusing on electron density and effective atomic number imaging.
This retrospective study included 15 patients with acute ischemic stroke who underwent non-contrast computed tomography (CT) with dual-layer spectral detector computed tomography and magnetic resonance imaging (MRI) on the same day.
Qualitative assessment was conducted by two radiologists using the modified Alberta Stroke Program Early CT Score methodology. Receiver operating characteristic curve analysis was performed to evaluate diagnostic performance, and kappa statistics were used to assess interobserver agreement.
Significant differences were observed in the conventional CT and ED values but not in effective Z values between the infarcted and contralateral regions. Furthermore, interobserver agreement was better for ED imaging than for conventional.
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