4D-CT angiography differentiating arteriovenous fistula subtypes

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Title:	4D-CT angiography differentiating arteriovenous fistula subtypes
Author(s):	Beijer, T.R.; Dijk, E.J. van ; Vries, J. de ; Vermeer, S.E.; Prokop, M. ; Meijer, F.J.A.
Publication year:	2013
Source:	Clinical Neurology and Neurosurgery, vol. 115, iss. 8, (2013), pp. 1313-1316
ISSN:	0303-8467
DOI:	https://doi.org/10.1016/j.clineuro.2012.12.015
Publication type:	Article / Letter to editor
Please use this identifier to cite or link to this item : http://hdl.handle.net/2066/119079
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Subject:	DCN MP - Plasticity and memory DCN NN - Brain networks and neuronal communication NCEBP 2: Evaluation of complex medical interventions ONCOL 5: Aetiology, screening and detection NCEBP 14: Cardiovascular diseases ONCOL 5: Aetiology, screening and detection
Organization:	Neurology Neurosurgery Radiology
Journal title:	Clinical Neurology and Neurosurgery
Volume:	vol. 115
Issue:	iss. 8
Page start:	p. 1313
Page end:	p. 1316
Abstract:	OBJECTIVE AND METHODS: In the diagnostic work-up of patients suspected of a dural arteriovenous fistula (dAVF), imaging has a key role in order to diagnose the dAVF, assess its bleeding risk and choose optimal treatment strategy. Digital subtraction angiography (DSA) is the gold standard for the most detailed image of a dAVF. Nowadays four-dimensional CT angiography (4D-CTA) could possibly be an additional first-line tool in the work-up of a patient suspected of a dAVF. We describe three cases clinically suspected of a dAVF which had a diagnostic work-up with 4D-CTA as well as DSA. We evaluated the angioarchitecture of the dAVF both on 4D-CTA and DSA, with emphasis on the patterns of venous drainage as this is important in assessing the bleeding risk of a dAVF. RESULTS AND CONCLUSION: 4D-CTA identified the dAVF, revealed its angioarchitecture and correctly differentiated different patterns of venous drainage (Borden type I, II and III) as confirmed on DSA. Although DSA has the advantage of higher spatial and temporal resolution, 4D-CTA seems to be a new useful non-invasive tool in the diagnostic work-up of a patient suspected of a dAVF.