Morphological and functional imaging diagnosis. Vertebral basilar artery heart failure.
نویسندگان
چکیده
منابع مشابه
Calcified vertebral artery and "dense basilar artery sign" in a patient with basilar territory infarction.
Diagnosis of posterior circulation stroke (PCS) may get delayed or missed in patients with atypical signs. Magnetic resonance imaging (MRI), considered to be superior to computerized tomography (CT) in PCS, too is not 100% sensitive, as 20% of patients with PCS may have a negative diffusion-weighted MRI at admission. Moreover, MRI is not universally available and CT is often the initial imaging...
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Three patients with a clinical diagnosis of pontine infarction probably due to basilar artery occlusion were studied with magnetic resonance imaging within 24 hours after onset or latest progression of symptoms. The earliest changes on magnetic resonance images were an absence of signal void in the basilar artery suggestive of severe reduction of blood flow or occlusion (flow-void phenomena). T...
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Transluminal angioplasty of brachiocephalic vessels for atherosclerotic lesions is now being performed in selected cases. We have thus far treated 17 cases of vertebral artery stenosis and one case of basilar artery stenosis by intravascular balloon dilatation techniques. Clinical presenting symptoms included vertebral basilar insufficiency, repeated transient ischemic attacks (TIAs), and multi...
متن کاملBasilar and distal vertebral artery stenosis: long-term follow-up.
Forty-four patients with greater than or equal to 50% stenosis of a distal vertebral artery (VA) and/or basilar artery (BA) were followed up for an average of 6.1 years. Angiography was performed for definite vertebrobasilar (VB) transient ischemic attacks (TIA) in 19 (43%), for VB infarcts in 13 (30%) and for non localizing symptoms in 12 (27%). Stenosis in the BA with or without VA involvemen...
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We report a case of a basilar artery migraine in a 17-year-old boy with transient CT and MR abnormalities after each of two migraine episodes. A repeat MR study 6 months after the last event showed complete resolution of the lesion. Transient abnormalities on brain images similar to those shown in our case have been reported in patients with migraine and other neurologic conditions and are most...
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ژورنال
عنوان ژورنال: Nippon Jibiinkoka Gakkai Kaiho
سال: 1997
ISSN: 0030-6622,1883-0854
DOI: 10.3950/jibiinkoka.100.798