نتایج جستجو برای: cerebral dural arteriovenous fistulas
تعداد نتایج: 201747 فیلتر نتایج به سال:
The clinical manifestations of dural arteriovenous fistulas (dAVFs) are highly variable and dependent on the hemodynamic properties location fistula. locations fistula numerous include cavernous sinus, transverse–sigmoid superior sagittal inferior petrosal sinuses, anterior condylar confluence, tentorium, cranial fossa, middle foramen magnum, cranio-cervical junction, convexity, spinal cord. Th...
BACKGROUND AND PURPOSE The detection and localization of spinal dural arteriovenous fistulas (AVFs) remain diagnostic challenges. This study tested the hypothesis that elliptic centric contrast-enhanced MR angiography (MRA) can be used to detect spinal dural AVFs, predict the level of fistulas, and reduce the radiation dose and volume of iodinated contrast material associated with conventional ...
Purpose Transcatheter angiography is the gold standard for evaluating the condition and anatomy of the dural sinuses in patients with arteriovenous fistulas (AVFs); however, the patency and intraluminal condition of the dural sinuses can also be evaluated on magnetic resonance imaging (MRI). The purpose of this study was to evaluate the usefulness of MRI for the diagnosis of sinus occlusion. Ma...
BACKGROUND AND PURPOSE Doppler sonography has been used to assess global cerebral circulation time (CCT) in healthy volunteers and a small number of patients with cerebral arteriovenous malformations. We evaluated the effect of arteriovenous shunts on global CCT in patients with dural arteriovenous fistulas (DAVFs) by using this Doppler echo contrast-bolus tracking test. METHODS We measured C...
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