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| 1 | Endoscopic ultrasound-guided vs endoscopic retrograde cholangiopancreatography biliary drainage for obstructed distal malignant biliary strictures: A systematic review and meta-analysis显示文摘BACKGROUND For palliation of malignant biliary obstruction(MBO), the gold-standard method of biliary drainage is endoscopic retrograde cholangiopancreatography(ERCP)with the placement of metallic stents. Endoscopic ultrasound(EUS)-guided drainage is an alternative that is typically reserved for cases of ERCP failure.Recently, however, there have been robust randomized clinical trials(RCTs)comparing EUS-guided drainage and ERCP as primary approaches to MBO.AIM To compare EUS guidance and ERCP in terms of their effectiveness and safety in palliative biliary drainage for MBO.METHODS This was a systematic review and meta-analysis, in which we searched the MEDLINE, Excerpta Medica, and Cochrane Central Register of Controlled Trials databases. Only RCTs comparing EUS and ERCP for primary drainage of MBO were eligible. All of the studies selected provided data regarding the rates of technical and clinical success, as well as the duration of the procedure, adverse events, and stent patency. We assessed the risk of biases using the Jadad score and the quality of evidence using the Grading of Recommendations Assessment,Development and Evaluation criteria.RESULTS The database searches yielded 5920 records, from which we selected 3 RCTs involving a total of 222 patients(112 submitted to EUS and 110 submitted to ERCP). In the EUS and ERCP groups, the rate of technical success was 91.96%n and 91.81%, respectively, with a risk difference(RD) of 0.00%(95%CI:-0.07, 0.07;P = 0.97; I^2 = 0%). The clinical success was 84.81% and 85.53% in the EUS and ERCP groups, respectively, with an RD of-0.01%(95%CI:-0.12, 0.10; P = 0.90; I^2 =0%). The mean difference(MD) for the duration of the procedure was-0.12%(95%CI:-8.20, 7.97; P = 0.98; I^2 = 84%). In the EUS and ERCP groups, there were14 and 25 adverse events, respectively, with an RD of-0.06%(95%CI:-0.23, 0.12; P= 0.54; I^2 = 77%). The MD for stent patency was 9.32%(95%CI:-4.53, 23.18; P =0.19; I^2 = 44%). The stent dysfunction rate was significantly lower in the EUS t group(MD =-0.22%; 95 CI:-0.35,-0.08; P = 0.001; I^2 = 0%).CONCLUSION EUS represents an interesting alternative to ERCP for MBO drainage,demonstrating lower stent dysfunction rates compared with ERCP. Technical and clinical success, duration, adverse events and patency rates were similar. | Fernanda P Logiudice Wanderlei M Bernardo Facundo Galetti Vitor M Sagae Carolina O Matsubayashi Antonio C Madruga Neto Vitor O Brunaldi Diogo T H de Moura Tomazo Franzini Spencer Cheng Sergio E Matuguma Eduardo G H de Moura | 2019 | World Journal of Gastrointestinal Endoscopy2019，11，4： | 6 |
| 2 | Silicon carbide resonant tuning fork for microsensing applications in high-temperature and high G-shock environments显示文摘We present the fabrication and testing of a silicon carbide(SiC)balanced mass double-ended tuning fork that survives harsh environments without compromising the device strain sensitivity and resolution bandwidth.The device features a material stack that survives corrosive environments and enables high-temperature operation.To perform high-temperature testing,a specialized setup was constructed that allows the tuning fork to be characterized using traditional silicon electronics.The tuning fork has been operated at 600 ℃ in the presence of dry steam for short durations.This tuning fork has also been tested to 64 000 G using a hard-launch,soft-catch shock implemented with a light gas gun.However,the device still has a strain sensitivity of 66 Hz/με and strain resolution of 0.045 με in a 10 kHz bandwidth.As such,this balanced-mass double-ended tuning fork can be used to create a variety of different sensors including strain gauges,accelerometers,gyroscopes,and pressure transducers.Given the adaptable fabrication process flow,this device could be useful to micro-electro-mechanical systems(MEMS) designers creating sensors for a variety of different applications. | David R Myers Kan Bun Cheng Babak Jamshidi Robert G Azevedo Debbie G Senesky Li Chen Mehran Mehregany Muthu B J Wijesundara Albert P Pisano | 2012 | Engineering Sciences2012，10，5： | 6 |
| 3 | 中心和外周动脉脉搏波传导速度测量的重复性:社区动脉粥样硬化风险研究显示文摘通过脉搏波传导速度(pulsewavevelocity,PwV)检测动脉硬化程度是当前对高血压和心血管病风险评估和分层所日渐常用的方式。颈股动脉脉搏波传导速度(catroidfemoralarteryPWV,cfPWV)是一项公认的测定中心动脉硬化程度的方式。 | Meyer ML Tanaka H Palta P Patel MD Camplain R Couper D Cheng S Al Qunaibet A Poon AK Heiss G 陈云 叶鹏 | 2016 | 中华高血压杂志2016，24，5： | 6 |
| 4 | A review of the carotid and femoral intima-media thickness as an indicator of the presence of peripheral vascular disease and cardiovascular risk factors 显示文摘 | CHENG K S MIKHAILIDIS D P HAMITON G | 2002 | Cardiovasc Res2002，54，3： | 3 |
| 5 | Influence of deposition parameters on the internal stress in a-C:H films显示文摘 | Cheng Y H Wu Y P Chen J G | 1999 | Surface and Coating Technol1999，111，： | 2 |
| 6 | Rapid phenotypic evolution with shallow genomic differentiation during early stages of high elevation adaptation in Eurasian Tree Sparrows显示文摘Known as the‘third polar region’,the Qinghai-Tibet Plateau represents one of the harshest highland environments in the world and yet a number of organisms thrive there.Previous studies of birds,animals and humans have focused on well-differentiated populations in later stages of phenotypic divergence.The adaptive processes during the initial phase of highland adaptation remain poorly understood.We studied a human commensal,the Eurasian Tree Sparrow,which has followed human agriculture to the Qinghai-Tibet Plateau.Despite strong phenotypic differentiation at multiple levels,in particular in muscle-related phenotypes,highland and lowland populations show shallow genomic divergence and the colonization event occurred within the past few thousand years.In a one-month acclimation experiment investigating phenotypic plasticity,we exposed adult lowland tree sparrows to a hypoxic environment and did not observe muscle changes.Through population genetic analyses,we identified a signature of polygenic adaptation,whereby shifts in allele frequencies are spread across multiple loci,many of which are associated with muscle-related processes.Our results reveal a case of positive selection in which polygenic adaptation appears to drive rapid phenotypic evolution,shedding light on early stages of adaptive evolution to a novel environment. | Yanhua Qu Chunhai Chen Ying Xiong Huishang She Yong E Zhang Yalin Cheng Shane DuBay Dongming Li Per G P Ericson Yan Hao Hongyuan Wang Hongfeng Zhao Gang Song Hailin Zhang Ting Yang Chi Zhang Liping Liang Tianyu Wu Jinyang Zhao Qiang Gao Weiwei Zhai Fumin Lei | 2020 | National Science Review2020，7，1： | 2 |
| 7 | Color correction for Gabor deconvolution and nonstationary phase rotation显示文摘 | Cheng P Margrave G F | 2009 | Expanded Abstracts of 2009 CSPG CSEG CWLS Convention2009，，： | 1 |
| 8 | Three- dimensional modeling and application in geological exploration engineering显示文摘 | GONG J Y CHENG P G WANG Y D | 2004 | Computers & Geosciences2004，30，4： | 1 |
| 9 | Three-dimensional modeling and application in geological exploration engineering显示文摘 | Gong J Y Cheng P G Wang Y D | 2004 | Computers and Geosciences2004，30，4： | 1 |
| 10 | Electron microscopic studies of the morphogenesis of duck enteritis virus显示文摘 | Yuan G P Cheng A C Wang M S | 2005 | Avian Dis2005，49，1： | 1 |
| 11 | Three-dimensional Analysis of Heat Transfer in a Micro-heat Sink with Single Phase Flow显示文摘 | Li J Peterson G P Cheng P | 2004 | International Journal of Heat and Mass Transfer2004，47，： | 1 |
| 12 | Nitrogen vacancy-promoted photocatalytic activity of graphitic carbon nitride显示文摘 | Niu P Liu G Cheng H M | 2012 | The Journal of Physical Chemistry C2012，116，11： | 1 |
| 13 | Molecular biology and genetics of the Rh blood group system显示文摘 | HUANG C H LIU P Z CHENG J G | 2000 | Semin Hematol2000，37，2： | 1 |
| 14 | A general cone beam reconstruction algorithm显示文摘 | WANG G LIN T H CHENG P C | 1993 | IEEE Trans on Medical Imaging1993，12，3： | 1 |
| 15 | Near-infrared and mid-infrared investigations of Na-dodecylbenzenesulfate intercalated into hydrocalumite chloride(CaAl-LDH-Cl)显示文摘 | Zhang P Qian G R Cheng H | 2011 | Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy2011，79，5： | 1 |
| 16 | Increasing the visible light absorption of graphitic carbon nitride(melon)photocatalysts by homogeneous self-modification with nitrogen vacancies显示文摘 | Niu P Yin L C Yang Y Q Liu G Cheng H M | 2014 | Advanced Materials2014，26，47： | 1 |
| 17 | Origin and propagation of human gastric slow-wave activity defined by high-resolution mapping 显示文摘 | O'Grady G Du P Cheng LK | 2010 | Am J Physiol Gastrointest Liver Pbysiol2010，299，3： | 1 |
| 18 | Efficiency of constructed wetlands in decontamination of waterpolluted by heavy metals显示文摘 | Cheng S P Grosse W G Friedhelm K | 2002 | Ecological Engineering2002，18，： | 1 |
| 19 | Cytotoxic chemotherapy has min- imal direct effect on gastric myoelectric activity in children with 5HT(3) antagonist prophylaxis显示文摘 | Cheng W Chan G C Tam P K | 2000 | Med Pediatr Oncol2000，34，6： | 1 |
| 20 | Nucleate and film boiling on a microheater under pulse heating in a microchannel显示文摘 | Chen G Cheng P | 2009 | International Communications in Heat and Mass Transfer2009，36，39： | 1 |
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