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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 | 溅射气氛对RF反应磁控溅射制备ZnO薄膜微结构及光致发光特性的影响显示文摘用射频反应磁控溅射法在不同溅射压强和氩氧比下制备了ZnO薄膜,通过X射线衍射(XRD)、扫描电镜(SEM)和光致发光(PL)谱等研究了溅射压强和氩氧比对ZnO薄膜结构和光学性质的影响。测量结果显示,所制备的ZnO薄膜为六角纤锌矿结构,具有沿c轴的择优取向;溅射压强P=0.6Pa,氩氧比Ar/O2=20/5.5sccm时,(002)晶面衍射峰强度和平均晶粒尺寸较大,(O02)XRD峰半峰全宽(FWHM)最小,光致发光紫外峰强度最强。 | 祐卫国 张勇 李璟 杨峰 CHENG C H 赵勇 | 2010 | 发光学报2010，31，4： | 5 |
| 3 | 显示文摘 | Cheng H F Lin T F Hu C T | 1993 | J Am Ceram Soc1993，76，4： | 2 |
| 4 | Laser transformation hardening of AISI440C martensitic stainless steel for higher cavitation erosion resistance显示文摘 | Lo K H Cheng F T Man H C | 2003 | Surface and Coating Technology2003，173，： | 2 |
| 5 | Genetic transformation of wheat mediated by Agrobacterium tumefaciens显示文摘 | Cheng M Fry J E Pang S Zhou H Hironaka C M Duncan D R Conner T W Wan Y | 1997 | Plant Physiol1997，，： | 2 |
| 6 | Simple passivealignment packaging technique for laser diode modules显示文摘 | Wang S C Chi S Cheng W H | 1998 | Material Chemistry and Physics1998，56，2： | 2 |
| 7 | The cutting stock problem-A survey 显示文摘 | Cheng C H Feiring B R Cheng T C E | 1994 | International Journal of Production economics1994，，36： | 2 |
| 8 | Effect of saikosaponin, a triterpene saponin, on apoptosis in lymphocytes: association with c-myc, p53, and bc1-2 mRNA 显示文摘 | Hsu M J Cheng J S Huang H C | 2000 | Br J Pharmacol2000，131，7： | 2 |
| 9 | Molecular dynamics study of phase change mechanisms during femtosecond laser ablation显示文摘 | XU X CHENG C CHOWDHURY H | 2004 | ASME J Heat Transfer2004，126，15： | 1 |
| 10 | Multi-stage vacuum cooling process of cabbage 显示文摘 | Cheng H P Hsueh C F | 2007 | Journal of Food Engineer2007，79，1： | 1 |
| 11 | Nanoindentafion tests on single crystal copper thin film with an AFM显示文摘 | Liang Y C Cheng K | 2003 | Journal of Harbin Institute of Technology (New Series)2003，10，3： | 1 |
| 12 | Damage-based formability analysis for TWBs显示文摘 | Cheng C H Jie M | 2005 | International Journal of Damage Mechanics2005，14，1： | 1 |
| 13 | Microstructure and formation mechanism of in situ synthesized TiC/Ti surface MMC on Ti-6Al-4V by laser cladding显示文摘 | Zhang S Cheng FT | 2001 | Scripta Materialia2001，，44： | 1 |
| 14 | Inequalities for eigenvalues of a clamped plate problem显示文摘 | Cheng Q M Yang H C | 2006 | Trans Amer Math Soc2006，358，6： | 1 |
| 15 | Direct observation of short-circuit diffusion during the formation of a single cupric oxide nanowire显示文摘 | Cheng C L Ma Y R Chou M H | 2007 | Nanotechnology2007，18，24： | 1 |
| 16 | Study in IC Chip Failure during Pick-up Process by Using Experimental and Finite Element Methods 显示文摘 | T H Cheng C C Du C H Tseng | 2006 | Journal of Materials Processing Technology2006，172，： | 1 |
| 17 | Estimating parameters in continuous univariate distributions with a shifted origin显示文摘 | CHENG R C H AMIN N A K | 1983 | Journal of the Royal Statistical Society Series B (Methodological)1983，45，3： | 1 |
| 18 | An oxidation enhanced mechanical polishing technique for CVD diamond films 显示文摘 | Cheng C Y Tsai H Y Wu C H | 2005 | Diamond and Related Materials2005，14，34567： | 1 |
| 19 | Characteristics, apa tire-forming ability and corrosion resistance of NiTi surface modified by AC anodization 显示文摘 | WONG M H CHENG F T MAN H C | 2007 | Appl Surface Sci2007，253，18： | 1 |
| 20 | Topological designfor vibrating structures显示文摘 | Ma Z D Kikuchi N Cheng H C | 1995 | Computer Methods inApplied Mechanics and Engineering1995，121，： | 1 |
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