Search Results - "Weir, Bryce K. A"

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 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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Mechanism of oxyhemoglobin-induced release of endothelin-1 from cultured vascular endothelial cells and smooth-muscle cells by KASUYA, H, WEIR, B. K. A, WHITE, D. M, STEFANSSON, K

“…Release of endothelin-1 from cultured endothelial cells can be induced with oxyhemoglobin (oxyHb). The present study was conducted to explore whether oxyHb…”
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Nitric oxide synthase and guanylate cyclase levels in canine basilar artery after subarachnoid hemorrhage by KASUYA, H, WEIR, B. K. A, NAKANE, M, POLLOCK, J. S, JOHNS, L, MARTON, L. S, STEFANSSON, K

“…Endothelium-dependent vasodilation may be impaired during cerebral vasospasm following subarachnoid hemorrhage. Under normal circumstances nitric oxide (NO)…”
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Prospective, randomized, double-blind trial of BQ-123 and bosentan for prevention of vasospasm following subarachnoid hemorrhage in monkeys by HINO, A, WEIR, B. K. A, MACDONALD, R. L, THISTED, R. A, CHUL-JIN KIM, JOHNS, L. M

“…Thirty-one monkeys were randomly divided into three groups to undergo baseline cerebral angiography followed by induction of subarachnoid hemorrhage by…”
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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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Etiology of cerebral vasospasm in primates by MACDONALD, R. L, WEIR, B. K. A, RUNZER, T. D, GRACE, M. G. A, FINDLAY, J. M, SAITO, K, COOK, D. A, MIELKE, B. W, KANAMARU, K

“…A primate model was used to determine whether oxyhemoglobin (OxyHb), methemoglobin (MetHb), or bilirubin is likely to be responsible for cerebral vasospasm…”
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Intracisternal recombinant tissue plasminogen activator after aneurysmal subarachnoid hemorrhage by FINDLAY, J. M, WEIR, B. K. A, KASSELL, N. F, DISNEY, L. B, GRACE, M. G. A

“…Fifteen patients undergoing surgery within 48 hours of aneurysm rupture were administered recombinant tissue plasminogen activator (rt-PA) directly into the…”
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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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Extracellular nucleotide-induced [Ca2+]i elevation in rat basilar smooth muscle cells by Sima, B, Weir, B K, Macdonald, R L, Zhang, H

“…Extracellular nucleotides play an important role in the regulation of vascular tone and may be involved in cerebral vasospasm after subarachnoid hemorrhage…”
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Effect of intrathecal thrombolytic therapy on subarachnoid clot and chronic vasospasm in a primate model of SAH by Findlay, J M, Weir, B K, Steinke, D, Tanabe, T, Gordon, P, Grace, M

“…The safety and efficacy of the thrombolytic agent tissue-type plasminogen activator (tPA) in the elimination of subarachnoid clot and prevention of chronic…”
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Long-term prospective study of lumbosacral discectomy by Lewis, P J, Weir, B K, Broad, R W, Grace, M G

“…A long-term prospective study of 100 patients undergoing lumbosacral discectomy was carried out in an attempt to delineate the natural history of these…”
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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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Pharmacological studies on relaxation of spastic primate cerebral arteries in subarachnoid hemorrhage by Kanamaru, K, Weir, B K, Findlay, J M, Krueger, C A, Cook, D A

“…Chronic cerebral vasospasm was induced in 16 monkeys by direct placement of a clot of autologous blood over the arteries of the circle of Willis on the right…”
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Effect of 21-aminosteroid U-74006F on lipid peroxidation in subarachnoid clot by KANAMARU, K, WEIR, B. K. A, SIMPSON, I, WITBECK, T, GRACE, M

“…The present study was undertaken to investigate the effect of U-74006F on malondialdehyde (a by-product of lipid peroxidation) in subarachnoid clot. Eighteen…”
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The effect of timing of clot removal on chronic vasospasm in a primate model by Handa, Y, Weir, B K, Nosko, M, Mosewich, R, Tsuji, T, Grace, M

“…The effect of complete clot removal at times from 48 to 96 hours after subarachnoid hemorrhage (SAH) on the development of chronic cerebral vasospasm was…”
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Surgical manipulation of primate cerebral arteries in established vasospasm by FINDLAY, J. M, MACDONALD, R. L, WEIR, B. K. A, GRACE, M. G. A

“…It is generally believed that surgery in the face of angiographic vasospasm is dangerous due to an increased incidence of postoperative cerebral ischemia. One…”
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Effect of clot removal at 24 hours on chronic vasospasm after SAH in the primate model by Nosko, M, Weir, B K, Lunt, A, Grace, M, Allen, P, Mielke, B

“…The efficacy of complete clot removal 24 hours after subarachnoid hemorrhage (SAH) in the prevention of chronic cerebral vasospasm was evaluated in monkeys in…”
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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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Clinical Grade, Regional Cerebral Blood Flow and Angiographical Spasm in the Monkey After Subarachnoid and Subdural Hemorrhage by PETRUK, KENNETH C., WEIR, BRYCE K. A., MARRIOTT, MICHAEL R., OVERTON, THOMAS R.

“…Subarachnoid and subdural hemorrhage has been induced in the anesthetized monkey by injection of fresh autogenous blood via a needle inserted through a…”
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