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Prediction of Thrombolytic Efficacy in Acute Ischemic Stroke Using Thin-Section Noncontrast CT Neurol 67:1846-1848, Kim,E.Y.,et al, 2006 See this aricle in Pubmed Article Abstract Thin-section noncontrast CT (NCT) can defect thrombi in large arteries and can provide a measure of thrombus composition based on Hounsfield Units (HU). A study using polyethylene tubes as a model of intracranial arteries concluded that the HUs of platelet-rich thrombi are lower than those of erythrocyte-rich thrombi. Thrombus HUs were measured by NCT in 34 patients with acute ischemic stroke before thrombolysis. Thrombi with lower HU counts were resistant to thrombolysis.

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