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Clinical and Carotid Ultrasonographic Features of Intracranial Dural Arteriovenous Fistulas in Patients with and without Pulsatile Tinnitus
Author(s) -
Yeh ShinJoe,
Tsai LiKai,
Jeng JiannShing
Publication year - 2010
Publication title -
journal of neuroimaging
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.822
H-Index - 64
eISSN - 1552-6569
pISSN - 1051-2284
DOI - 10.1111/j.1552-6569.2009.00379.x
Subject(s) - medicine , tinnitus , pulsatile flow , radiology , arteriovenous fistula , occipital artery , cardiology , surgery , audiology , anastomosis
BACKGROUND AND PURPOSE Pulsatile tinnitus is a common symptom of intracranial dural arteriovenous fistulas (DAVF). This study aims to characterize the clinical and ultrasonographic features of DAVF in patients with pulsatile tinnitus.METHODS We compared the characteristics of DAVF and carotid duplex sonography (CDS) results between 67 DAVF patients with and without pulsatile tinnitus. We also investigated the relationship between changes in tinnitus status and serial CDS changes in 25 DAVF patients with pulsatile tinnitus.RESULTS Pulsatile tinnitus was highly associated with the location and feeding arteries of DAVF ( P < .001). The sensitivity of resistive index (RI; Norm, >.72) and end diastolic velocity (EDV; Norm, <21 cm/sec) of external carotid artery (ECA) in CDS study for diagnosing DAVF in patients with pulsatile tinnitus was 95% and 92%, respectively. Changes of RI and EDV of ECA also correlated with the changes of tinnitus status.CONCLUSIONS RI and EDV of ECA have high diagnostic sensitivity and reliability for detecting DAVF in patients with pulsatile tinnitus.