Classification of Intracranial Stenoses: Discrepancies between Transcranial Duplex Sonography and Computed Tomography Angiography

Transcranial color-coded duplex sonography (TCCS) and computed tomography angiography (CTA) are widely used to identify intracranial stenoses (ISs). We assessed concordance of IS grading between TCCS and CTA and proposed new TCCS criteria for severe IS ≥70%. One hundred two stroke patients (70 ± 13 y) with TCCS-identified IS were included. TCCS and CTA were performed within 24 h after admission. TCCS peak systolic velocity cutoffs for
Source: Ultrasound in Medicine and Biology - Category: Radiology Authors: Tags: Original Contribution Source Type: research

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CONCLUSION: Brain MRI, head MRA, and neck MRA studies should not be ordered simultaneously as a generalized response to patients presenting with acute stroke-like symptoms.PMID:33970075 | DOI:10.7812/TPP/20.214
Source: The Permanente journal - Category: General Medicine Authors: Source Type: research
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