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| 1 | Stroke mechanisms and outcomes of isolated symptomatic basilar artery stenosis显示文摘background While diffuse atherosclerotic disease affecting the posterior circulation has been described extensively,the prevalence,natural history and angiographic characteristics of isolated symptomatic basilar artery stenosis(ISBAS)remain unknown.Methods We reviewed our prospective institutional database to identify patients with≥50% symptomatic basilar artery(BA)stenosis without significant atherosclerotic burden in the vertebral or posterior cerebral arteries.Stroke mechanism,collateral circulation,and degree and length of stenosis were analysed.The primary outcome was time from index event to new transient ischaemic attack(TIA),acute ischaemic stroke(AIS)or death.Other outcome variables included modified Rankin Scale(mRS)score on discharge and last follow-up.results Of 6369 patients with AIS/TIA,91(1.43%)had ISBAS.Seventy-three(80.2%)patients presented with AIS and 18(19.8%)with TIA.Twenty-nine(31.9%)were women and the median age was 66.8±13.6 years.The mean follow-up time was 2.7 years.The most common stroke mechanism was artery-to artery thromboembolism(45.2%),followed by perforator occlusion(28.7%)and flow-dependent/hypoperfusion(15.1%).The percentage of stenosis was lower in patients who had favourable outcome compared with those with mRS 3-6 on discharge(78.3±14.3 vs 86.9±14.5,p=0.007).Kaplan-Meier curves showed higher recurrence/death rates in patients with≥80% stenosis,mid-basilar location and poor collateral circulation.Approximately 13% of patients with ISBAS presented with complete BA occlusion.Conclusion ISBAS is an uncommon(1.43%)cause of TIA and AIS.Men in their 60s are mostly affected,and artery-to artery embolism is the most common stroke mechanism.Mid-basilar location,≥80% stenosis and poor collateral circulation are important factors associated with worse prognosis. | Edgar A Samaniego Amir Shaban Santiago Ortega-Gutierrez Jorge A Roa David M Hasan Colin Derdeyn Biyue Dai Harold Adams Enrique Leira | 2019 | Stroke & Vascular Neurology2019，4，4： | 10 |
| 2 | Bayesian wavelet shrinkage with edge detection for SAR image despeckling显示文摘 | Dai M Peng Cheng and Chan A K | 2004 | IEEE Transactions on Geoscience and Remote Sensing2004，42，8： | 1 |
| 3 | Rverine input and air-sea C02 ex-changes near the Changjiang (Yangtze River) Estuary : Status quo andimplication on possible future changes in metabolic status显示文摘 | Chen C T A Zhai W D Dai M H | 2008 | ContientalShelf Research2008，28，： | 1 |
| 4 | Usability of a patient education and motivation tool using heuristic evaluation显示文摘 | Joshi A Arora M Dai L | 2009 | Med Int Res2009，11，4： | 1 |
| 5 | Testosterone enhances apoptosis-related damage in human vascular endothelial cells显示文摘 | Ling S Dai A Williams M R | 2002 | Endocrinology2002，143，3： | 1 |
| 6 | Liquid Breakup at the Surface of Turbulent Round Liquid Jets in Still Gases 显示文摘 | Sallam K A Dai Z Faeth M | 2002 | International Journal of Multiphase Flow2002，28，： | 1 |
| 7 | Robust stability analysis of voltage and current control for distributed generation systems显示文摘 | Marwali M N Dais M Keyhani A | 2006 | IEEE Transactions on Energy Conversations2006，21，2： | 1 |
| 8 | Visualization and contractile activ-ity of cochlear pericytes in the capillaries of the spiral ligament显示文摘 | Dai M Nuttall A Yang Y | 2009 | Hear Res2009，254，12： | 1 |
| 9 | Stability analysis of load sharing control for distributed generation systems显示文摘 | Marwali M N Dai M Keyhani A | 2007 | IEEE Transactions on Energy Conversations2007，22，3： | 1 |
| 10 | Chemical vapor deposition of methane for single-walled carbon nanotubes显示文摘 | Kong J Cassell A M Dai H J | 1998 | Chem Phys Lett1998，292，： | 1 |
| 11 | Ballistic Carbon Nanotube Field-Effect Transistors显示文摘 | Javey A Guo J Wang Q Lundstrom M and Dai H | 2003 | Letters to Nature2003，424，： | 1 |
| 12 | Stability analysis of load sharing control for distributed generation systems 显示文摘 | MARWALI M N DAI M KEYHANI A | 2007 | IEEE Transactions on Energy Conversationg2007，22，3： | 1 |
| 13 | Survey of network coding- aware routing protocols in wireless networks显示文摘 | IQBAL M A DAI B HUANG B | 2011 | Journal of Network and Computer Applications2011，34，6： | 1 |
| 14 | Riverine input and air-sea CO2 exchanges near the Changjiang (Yangtze River) estuary: Status quo and implication on possible future changes in metabolic status 显示文摘 | Chen C A Zhai W Dai M | 2008 | Continental Shelf Research2008，28，12： | 1 |
| 15 | Butyrate enhances disease resistance of chickens by inducing antimicrobial host defense peptide gene expression显示文摘 | Sunkara LT Achanta M Schreiber NB Bommineni YR Dai G.Jiang W Lamont S Lillehoj HS Beker A Teeter RG | | 0，，11： | 1 |
| 16 | Preparation,microanalysis and performance of hap/Cs-Cmc composite materials显示文摘 | Qiu M Dai A Yang P | 2015 | American Journal of Materials Engineering and Technology2015，3，2： | 1 |
| 17 | Torque ripple analysis of a PM brushless DC motor using finite element method显示文摘 | Dai M Keyhani A | 2004 | IEEE Transactions On Energy Conversion2004，19，1： | 1 |
| 18 | The changing character of precipitation显示文摘 | Trenberth K E Dai A Rasmussen R M | 2003 | Bull Amer Meteor Soc2003，84，： | 1 |
| 19 | Robust stability analysis of voltage and current control for distributed generation system显示文摘 | MARWALI F V DAIS M KEYHANI A | 2006 | IEEE Trans on Energy Conversations2006，21，12： | 1 |
| 20 | 查看详情显示文摘 | Hayden S M Mook H A Dai P C Perring T G Dogan F | | 0，，： | 1 |
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