Diagnosis of intracranial dural arteriovenous fistulas by carotid duplex sonography

Li Kai Tsai, Jiann Shing Jeng, Hung-Jung Wang, Ping Keung Yip, Hon Man Liu

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Objective. To validate carotid duplex sonography (CDS) in diagnosis of intracranial dural arteriovenous fistulas (AVFs) against the standard of cerebral catheter angiography. Methods. 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. Results. 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 sinus dural AVFs and 86% (19 of 22 patients) in non-cavernous sinus dural AVFs (P = .05). Conclusions. The RI of the ECA is the best CDS parameter for predicting intracranial dural AVFs. Carotid duplex sonography can be used as the initial screening tool for diagnosis in patients having symptoms related to dural AVFs.

Original languageEnglish
Pages (from-to)785-791
Number of pages7
JournalJournal of Ultrasound in Medicine
Volume23
Issue number6
DOIs
Publication statusPublished - Jan 1 2004
Externally publishedYes

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Central Nervous System Vascular Malformations
Ultrasonography
Catheters
External Carotid Artery
Sensitivity and Specificity
Cavernous Sinus
Cerebral Angiography
Internal Carotid Artery

Keywords

  • Angiography
  • Carotid duplex sonography
  • Dural arteriovenous fistula
  • Resistive index

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

Cite this

Diagnosis of intracranial dural arteriovenous fistulas by carotid duplex sonography. / Tsai, Li Kai; Jeng, Jiann Shing; Wang, Hung-Jung; Yip, Ping Keung; Liu, Hon Man.

In: Journal of Ultrasound in Medicine, Vol. 23, No. 6, 01.01.2004, p. 785-791.

Research output: Contribution to journalArticle

Tsai, Li Kai ; Jeng, Jiann Shing ; Wang, Hung-Jung ; Yip, Ping Keung ; Liu, Hon Man. / Diagnosis of intracranial dural arteriovenous fistulas by carotid duplex sonography. In: Journal of Ultrasound in Medicine. 2004 ; Vol. 23, No. 6. pp. 785-791.
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abstract = "Objective. To validate carotid duplex sonography (CDS) in diagnosis of intracranial dural arteriovenous fistulas (AVFs) against the standard of cerebral catheter angiography. Methods. 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. Results. 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 sinus dural AVFs and 86{\%} (19 of 22 patients) in non-cavernous sinus dural AVFs (P = .05). Conclusions. The RI of the ECA is the best CDS parameter for predicting intracranial dural AVFs. Carotid duplex sonography can be used as the initial screening tool for diagnosis in patients having symptoms related to dural AVFs.",
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N2 - Objective. To validate carotid duplex sonography (CDS) in diagnosis of intracranial dural arteriovenous fistulas (AVFs) against the standard of cerebral catheter angiography. Methods. 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. Results. 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 sinus dural AVFs and 86% (19 of 22 patients) in non-cavernous sinus dural AVFs (P = .05). Conclusions. The RI of the ECA is the best CDS parameter for predicting intracranial dural AVFs. Carotid duplex sonography can be used as the initial screening tool for diagnosis in patients having symptoms related to dural AVFs.

AB - Objective. To validate carotid duplex sonography (CDS) in diagnosis of intracranial dural arteriovenous fistulas (AVFs) against the standard of cerebral catheter angiography. Methods. 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. Results. 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 sinus dural AVFs and 86% (19 of 22 patients) in non-cavernous sinus dural AVFs (P = .05). Conclusions. The RI of the ECA is the best CDS parameter for predicting intracranial dural AVFs. Carotid duplex sonography can be used as the initial screening tool for diagnosis in patients having symptoms related to dural AVFs.

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