Diagnosis of intracranial dural arteriovenous fistulas by carotid duplex sonography

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
Li-Kai TsaiHon-Man Liu

Abstract

To validate carotid duplex sonography (CDS) in diagnosis of intracranial dural arteriovenous fistulas (AVFs) against the standard of cerebral catheter angiography. We investigated 35 patients with dural AVFs and 64 patients without dural AVFs confirmed by the catheter angiographic studies. Twenty CDS parameters in 4 categories, including resistive index (RI), flow volume, peak systolic velocity, and end-diastolic velocity, were evaluated. Abnormal CDS findings were defined as the data above 95th percentile or below 5th percentile values from 180 control subjects. We determined the sensitivity, specificity, positive predictive value, negative predictive value, and accuracy in each CDS parameter. The parameter of RI of the external carotid artery (ECA; cutoff points: right, 0.72; left, 0.71) yielded the highest sensitivity (74%), specificity (89%), positive predictive value (79%), negative predictive value (86%), and accuracy (84%) for predicting dural AVFs. All other ECA-related parameters yielded sensitivity lower than 70%, and those related to the internal carotid artery were lower than 30%. The sensitivity values for the parameter of RI of the ECA in different locations of dural AVFs were 54% (7 of 13 patients) in cavernous s...Continue Reading

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Citations

Apr 2, 2005·Stroke; a Journal of Cerebral Circulation·Judith U HarrerChristof Klötzsch
Feb 3, 2016·Expert Review of Neurotherapeutics·Li-Kai TsaiJiann-Shing Jeng
Mar 7, 2016·Journal of the Belgian Society of Radiology·Mehmet SirikMehmet Karatas
Aug 25, 2020·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Emiko HisaedaTooru Inoue
May 21, 2009·Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging·Shin-Joe YehJiann-Shing Jeng

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