Highlights
- •Sensitivity of the CDS increased with the patients with malignant-typed CSDAVF. This phenomenon was presumably explained by higher flow of the feeding artery, lower arteriovenous pressure gradient in malignant-typed than in benign-typed CSDAVF.
- •Due to the effects of bilateral feeders changed CDS parameters, therefore the abnormalities on the CDS parameters cannot precisely predict the side of shunt.
- •Some patients showed no disturbance on the CDS parameters because of the supplied feeding artery that arrived exclusively from meningeal branches of ICA.
Abstract
Purpose
Cavernous sinus dural arteriovenous fistula (CSDAVF) causes hemodynamic disturbance
in the arteries, which is detected by carotid Doppler sonography (CDS). The objective
of the study was designed for validation of CDS in the diagnosis of CSDAVF.
Material and methods
42 CSDAVF patients confirmed by angiography were enrolled. All patients were performed
CDS before angiography. Evaluations of CDS parameters were compared with control subjects.
Results
The ECA resistive index (RI) shows the best performance. The highest yield shown on
left ECA RI and increased from 78.6% to 91.7% on malignant-typed.
Conclusion
CDS may be beneficial as the screening tool for CSDAVF.
Graphical abstract
Graphical Abstract
Keywords
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Article Info
Publication History
Published online: November 16, 2017
Accepted:
November 9,
2017
Received in revised form:
November 5,
2017
Received:
May 15,
2017
Footnotes
☆This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
☆☆None of the authors have any conflicts of interest associated with this study.
Identification
Copyright
© 2017 Elsevier Inc. All rights reserved.
