نتایج جستجو برای: coiling

تعداد نتایج: 2250  

Journal: :Archives of neurology 2009
Joseph D Burns Alejandro A Rabinstein Harry Cloft Giuseppe Lanzino David J Daniels Eelco F M Wijdicks

OBJECTIVE To report the clinical and radiologic findings in a case of transient minimally conscious state after rupture and coiling of a giant basilar aneurysm. DESIGN Case report. SETTING Neuroscience intensive care unit. PATIENT A 44-year-old man who developed a transient minimally conscious state in association with perianeurysmal edema in the rostral brainstem and thalamus after ruptu...

Journal: :Stroke 2010
Aaron S Dumont R Webster Crowley Stephen J Monteith Don Ilodigwe Neal F Kassell Stephan Mayer Daniel Ruefenacht Stephan Weidauer Alberto Pasqualin R Loch Macdonald

BACKGROUND AND PURPOSE The effects of aneurysm treatment modality (clipping or coiling) on the incidence of cerebral vasospasm and infarction after subarachnoid hemorrhage have not been clearly defined. We hypothesized that there may be a difference in angiographic and clinical vasospasm, cerebral infarction, and clinical outcome between patients undergoing clipping compared to coiling. METHO...

Journal: :Stroke 2008
Cian O'Kelly R Loch Macdonald

Coiling and Aneurysm Rerupture: Incomplete Treatment Is a Causal Intermediate Not a Confounder To the Editor: The article by Johnston et al reporting an analysis of the predictors of aneurysm rerupture after treatment in the Cerebral Aneurysm Rerupture After Treatment (CARAT) study1 captured our attention. The authors are to be commended for their large multicenter approach to this important qu...

2011
Woong Yoon

Endovascular coiling has become the primary treatment modality for the treatment of intracranial ruptured aneurysms in many centers. A multicenter randomized controlled trial (RCT), ISAT study, has demonstrated that endovascular coiling of ruptured intracranial aneurysms has benefits over surgical clipping in those patients suitable for either treatment. Because RCT comparing conservative manag...

Journal: :Science 2004
Xiang Yang Kong Yong Ding Rusen Yang Zhong Lin Wang

Freestanding single-crystal complete nanorings of zinc oxide were formed via a spontaneous self-coiling process during the growth of polar nanobelts. The nanoring appeared to be initiated by circular folding of a nanobelt, caused by long-range electrostatic interaction. Coaxial and uniradial loop-by-loop winding of the nanobelt formed a complete ring. Short-range chemical bonding among the loop...

2014
Jung-Hoon Shin Seong-Ho Park Chang-Hyun Kim Chang-Young Lee

Stent thrombosis is a major limitation of stent-assisted coiling, which is an effective method for treating wide-necked aneurysms. Although early in-stent thrombosis has been reported, very late stent thrombosis (VLST) (>1 year) has not been reported following implantation of a single self-expandable stent designed for coiling. Herein, the authors present a case of VLST that occurred 14 months ...

Journal: :Transactions of Japan Society of Spring Engineers 1974

2014
Xu Ni Ying Wu Ze-Guo Chen Li-Yang Zheng Ye-Long Xu Priyanka Nayar Xiao-Ping Liu Ming-Hui Lu Yan-Feng Chen

We numerically realize the acoustic rainbow trapping effect by tapping an air waveguide with space-coiling metamaterials. Due to the high refractive-index of the space-coiling metamaterials, our device is more compact compared to the reported trapped-rainbow devices. A numerical model utilizing effective parameters is also calculated, whose results are consistent well with the direct numerical ...

Journal: :Journal of neurointerventional surgery 2012
Ning Lin Kevin S Cahill Kai U Frerichs Robert M Friedlander Elizabeth B Claus

BACKGROUND Integration of data from clinical trials and advancements in technology predict a change in selection for treatment of patients with cerebral aneurysm. OBJECTIVE To describe patterns of use and in-hospital mortality associated with surgical and endovascular treatments of cerebral aneurysms over the past decade. MATERIALS AND METHODS The data are 34 899 hospital discharges with a ...

Journal: :Stroke 2009
Joanna D Schaafsma Marieke E Sprengers Willem Jan van Rooij Menno Sluzewski Charles B L M Majoie Marieke J H Wermer Gabriel J E Rinkel

BACKGROUND AND PURPOSE Coiling is increasingly used as treatment for intracranial aneurysms. Despite its favorable short-term outcome, concerns exist about long-term reopening and inherent risk of recurrent subarachnoid hemorrhage (SAH). We hypothesized a higher risk for recurrent SAH after adequate coiling compared with clipping. METHODS Patients with ruptured intracranial aneurysms coiled b...

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