Search Results - "Weir, Bryce"

Unruptured intracranial aneurysms: a review by Weir, Bryce

“…In this article, pathological, radiological, and clinical information regarding unruptured intracranial aneurysms is reviewed. Treatment decisions require that…”
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Vasospasm: does it cause infarction and poor outcome? by Weir, Bryce

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The aspect ratio (dome/neck) of ruptured and unruptured aneurysms by WEIR, Bryce, AMIDEI, Christina, KONGABLE, Gail, FINDLAY, J. Max, KASSELL, Neal F, KELLY, John, LANTING DAI, KARRISON, Theodore G

“…In this retrospective study the authors examined the aspect ratio (AR; the maximum dimension of the dome/width of the neck of an aneurysm) and compared the…”
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Effects of posterior fossa decompression with and without duraplasty on Chiari malformation-associated hydromyelia by Munshi, I, Frim, D, Stine-Reyes, R, Weir, B K, Hekmatpanah, J, Brown, F

“…The optimal surgical treatment of Chiari malformation is unclear, especially in patients with hydromyelia. Various surgical approaches have included…”
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Cigarette smoking as a cause of aneurysmal subarachnoid hemorrhage and risk for vasospasm : a report of the Cooperative Aneurysm Study by WEIR, B. K. A, KONGABLE, G. L, KASSELL, N. F, SCHULTZ, J. R, TRUSKOWSKI, L. L, SIGREST, A

“…Cigarette smoking is associated with aneurysmal subarachnoid hemorrhage (SAH) and subsequent vasospasm. The purpose of this study was to quantify this…”
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Intraoperative angiography in cerebral aneurysm surgery: a prospective study of 100 craniotomies by Alexander, T D, Macdonald, R L, Weir, B, Kowalczuk, A

“…To determine the frequency of unexpected major arterial occlusion and incomplete aneurysm clipping on intraoperative angiography after cerebral aneurysm…”
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Changes in Endothelial Nitric Oxide Synthase mRNA during Vasospasm after Subarachnoid Hemorrhage in Monkeys by Hino, Akihiko, Tokuyama, Yoshiharu, Weir, Bryce, Takeda, Jun, Yano, Hideki, Bell, Graeme I., Macdonald, R. Loch

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Intraoperative angiography of brain arteriovenous malformations by Munshi, I, Macdonald, R L, Weir, B K

“…The gold standard for documentation of surgical cure of a brain arteriovenous malformation (AVM) is a postoperative angiogram. Intraoperative angiography also…”
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Vasospasm in monkeys resolves because of loss of and encasement of subarachnoid blood clot by ZHANG, Zhen-Du, YAMINI, Baktair, KOMURO, Taro, ONO, Shigeki, JOHNS, Lydia, MARTON, Linda S, WEIR, Bryce, MACDONALD, R. Loch

“…We studied in monkeys why vasospasm resolves after subarachnoid hemorrhage (SAH). Monkeys underwent angiography and right (n=17) or bilateral (n=8) SAH…”
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Quantitative imaging study of extent of surgical resection and prognosis of malignant astrocytomas by Kowalczuk, A, Macdonald, R L, Amidei, C, Dohrmann, 3rd, G, Erickson, R K, Hekmatpanah, J, Krauss, S, Krishnasamy, S, Masters, G, Mullan, S F, Mundt, A J, Sweeney, P, Vokes, E E, Weir, B K, Wollman, R L

“…This study used quantitative radiological imaging to determine the effect of surgical resection on postoperative survival of patients with malignant…”
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Treatment of Intraventricular Hemorrhage with Tissue Plasminogen Activator by Findlay, J. Max, Grace, Michael G. A., Weir, Bryce K. A.

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Increased expression of endothelin B receptor mRNA following subarachnoid hemorrhage in monkeys by Hino, A, Tokuyama, Y, Kobayashi, M, Yano, M, Weir, B, Takeda, J, Wang, X, Bell, G I, Macdonald, R L

“…These studies tested the hypothesis that the cerebral vasospasm that follows subarachnoid hemorrhage (SAH) is due to alterations in endothelin (ET) and ET…”
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Multiple sclerosis - a vascular etiology? by Weir, Bryce

“…From the earliest pathological studies the perivenular localization of the demyelination in multiple sclerosis (MS) has been observed. It has recently been…”
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Subarachnoid hemorrhage as a cause of an adaptive response in cerebral arteries by STOODLEY, M, MACDONALD, R. L, WEIR, B, MARTON, L. S, JOHNS, L, ZHEN DU ZHANG, KOWALCZUK, A

“…It is not known whether the factors responsible for vasospasm after subarachnoid hemorrhage (SAH) cause the cerebral arteries to be narrowed independent of the…”
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Immediate early gene expression in vascular smooth-muscle cells synergistically induced by hemolysate components by XIAOYU WANG, MARTON, L. S, WEIR, B. K. A, MACDONALD, R. L

“…Vasospasm after subarachnoid hemorrhage is associated with changes in modulators of vascular tone in the arterial wall and is related to the presence of…”
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Safety of perioperative subcutaneous heparin for prophylaxis of venous thromboembolism in patients undergoing craniotomy by Macdonald, R L, Amidei, C, Lin, G, Munshi, I, Baron, J, Weir, B K, Brown, F, Erickson, R K, Hekmatpanah, J

“…To determine whether perioperative subcutaneous heparin is safe to use for patients undergoing craniotomy and to determine the incidence of venous…”
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A history of neurosurgery in Canada by Weir, Bryce

“…Canada existed for more than half a century before there were glimmerings of modern neurosurgical activity. Neurosurgery had advanced significantly in Europe…”
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A Randomized Trial of Intraoperative, Intracisternal Tissue Plasminogen Activator for the Prevention of Vasospasm by Findlay, J. Max, Kassell, Neal F., Weir, Bryce K.A., Haley, E. Clarke, Kongable, Gail, Germanson, Terry, Truskowski, Laura, Alves, Wayne M., Holness, Renn O., Knuckey, Neville W., Yonas, Howard, Steinberg, Gary K., West, Michael, Winn, H. Richard, Ferguson, Gary

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Effects of erythrocyte lysate of different incubation times on intracellular free calcium in rat basilar artery smooth-muscle cells by GUAN, Y.-Y, WEIR, B. K. A, MARTON, L. S, MACDONALD, R. L, HE ZHANG

“…The purpose of this study was to characterize substance(s) in the erythrocytes that increase intracellular free Ca++ concentration ([Ca++]i) in smooth-muscle…”
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P2 Purinoceptors in Cultured Bovine Middle Cerebral Artery Endothelial Cells by Zhang, He, Weir, Bryce K. A, Marton, Linda S, Lee, Kevin S, Macdonald, R Loch

“…Extracellular adenosine triphosphate (ATP) plays an important role in the regulation of endothelial function. However, its receptors and their…”
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