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Vol. viagra cheapest online  33, no. 1, 1993    article (pdf 1155 kb)      original paper dural arteriovenous fistula: a cause of hypoperfusion-lnduced intellectual impairment nobutsugu hironoa, atsushi yamadoric, masaki komiyamab departments of aneurology and bneurosurgery, baba-memorial hospital, osaka; cneurology service, hyogo brain and heart center at himeji, japan address of corresponding author eur neurol 1993;33:5-8 (doi: 10. 1159/000116889)    key words dural arteriovenous fistula superior sagittal sinus sigmoid sinus selective embolization hypoperfusion dementia    abstract a 76-year-old, right-handed man developed posttraumatic dural arteriovenous fistula (davf) involving the superior sagittal sinus. Buy viagra fast He developed slow but progressive intellectual deterioration and gait disturbance after a minimal head trauma. Cerebral angiography demonstrated a davf of the superior sagittal sinus with sinus thrombosis supplied by branches of the bilateral external carotid arteries, and a davf of the right sigmoid sinus supplied by the right occipital artery. Selective embolization was carried out. viagra cheapest online He showed marked improvement on neuropsychological testing, especially on test items which are supposed to tap functions of the right cerebral hemisphere which showed an improved cerebral blood flow. We concluded that the intellectual impairment of our patient was caused by cerebral hypoperfusion, especially of the right cerebral hemisphere. Copyright © 1993 s. Karger ag, basel    author contacts dr. N. viagra cheapest online Hirono, department of neurology, baba-memorial hospital, 4-244 hamaderafunao-cho higashi, sakai-shi, osaka, 592 (japan)    article information received: january 21, 1992 accepted after revision: june 16, 1992 published online: nil number of print pages : 4   journal home journal content guidelines editorial board aims and scope subscriptions download citation recommend this              related articles radiosurgery for dural arteriovenous fistula an intracranial aneurysm and dural arteriovenous fistula in a newborn carotid and transcranial color-coded duplex ultrasonography for the diagnosis of dural arteriovenous fistulas spinal dural arteriovenous fistulas: an underestimated cause of myelopathy intracranial dural arteriovenous and carotid-cavernous fistulae and paragangliomas dural arteriovenous fistula of the greater sphenoid wing region in neurofibromatosis type 1 embolization of a giant torcular dural arteriovenous fistula in a neonate this journal is part of the first subject package of the karger journal archive collection information on packages (pdf) free sample issues for non-native english speakers and international authors who would like assistance with their writing before submission, we suggest american journal experts for their scientific editing service. 100mg viagra online  © 2012 s. Karger ag, basel. American journal of roentgenology skip to main page content home current issue archive contact subscribe alerts help search go advanced search â» user name password sign in american roentgen ray society intracranial dural arteriovenous fistulas: evaluation with combined 3d time-of-flight mr angiography and mr digital subtraction angiography kyo noguchi 1 , 2, elias r. Melhem 2, tadayoshi kanazawa 1, michiya kubo 3, naoya kuwayama 3 and hikaru seto 1 1department of radiology, toyama medical and pharmaceutical university, 2630 sugitani, toyama, 930-0194, japan. 2department of radiology, neuroradiology section, university of pennsylvania medical center, philadelphia, pa 19104. 3department of neurosurgery, toyama medical and pharmaceutical university, toyama, 930-0194, japan. Abstract objective. The purpose of this study was to compare the diagnostic utility of 3d time-of-flight (tof) mr angiography and mr digital subtraction angiography in patients with angiographically proven moderate- to high-flow intracranial dural arteriovenous fistula. Viagra online quality Materials and methods. Two neuroradiologists, unaware of patients' histories and angiographic findings, retrospectively reviewed 17 mr angiograms with 3d tof mr angiography and mr digital subtraction angiography in 15 patients with dural arteriovenous fistula and also reviewed 35 mr angiograms in control patients without findings of dural arteriovenous fistula on angiography. Disagreements were resolved by consensus. Results. In patients with dural arteriovenous fistula, source images of 3d tof mr angiography showed two abnormal findings: multiple high-intensity curvilinear or nodular structures adjacent to the sinus wall and high-intensity areas in the venous sinus. Findings of multiple high-intensity structures adjacent to the sinus wall were observed in all cases of dural arteriovenous fistula. viagra cheapest online Findings of high-intensity areas in the venous sinus were observed in 13 of 17 cases of dural arteriovenous fistula. Viagra buy online india Findings of multiple high-intensity structures adjacent to the sinus wall were not observed in any control subjects. Findings of high-intensity areas within the venous sinus were observed in five of 35 control subjects. viagra cheapest online Findings of mr digital subtraction angiography showed early filling of the venous sinus, suggestive of dural arteriovenous fistula, in 13 of 15 patients with dural arteriovenous fistula. Sensitivity and specificity of multiple high-intensity structures adjacent to the sinus wall, high-intensity areas in the venous sinus, and early filli.
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