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| 1 | Comparison between endoscopic sclerotherapy and band ligation for hemostasis of acute variceal bleeding显示文摘AIM:To compare band ligation(BL) with endoscopic sclerotherapy(SCL) in patients admitted to an emergency unit for esophageal variceal rupture. METHODS:A prospective,randomized,single-center study without crossover was conducted.After endoscopic diagnosis of esophageal variceal rupture,patients were randomized into groups for SCL or BL treatment.Sclerotherapy was performed by ethanolamine oleate intravascular injection both above and below the rupture point,with a maximum volume of 20 mL.For BL patients,banding at the rupture point was attempted,followed by ligation of all variceal tissue of the distal esophagus.Primary outcomes for both groups were initial failure of bleeding control(5 d) ,early re-bleeding(5 d to 6 wk),and complications,including mortality.From May 2005 to May 2007,100 patients with variceal bleeding were enrolled in thestudy:50 SCL and 50 BL patients.No differences between groups were observed across gender,age,ChildPugh status,presence of shock at admission,mean hemoglobin levels,and variceal size. RESULTS:No differences were found between groups for bleeding control,early re-bleeding rates,complications,or mortality.After 6 wk,36(80%) SCL and 33(77 %) EBL patients were alive and free of bleeding.A statistically significant association between Child-Pugh status and mortality was found,with 16%mortality in Child A and B patients and 84%mortality in Child C patients(P<0.001) . CONCLUSION:Despite the limited number of patients included,our results suggest that SCL and BL are equally efficient for the control of acute variceal bleeding. | Gustavo Oliveira Luz Fauze Maluf-Filho Sérgio Eiji Matuguma Fábio Yuji Hondo Edson Ide Jeane Martins Melo Spencer Cheng Paulo Sakai | 2011 | World Journal of Gastrointestinal Endoscopy2011，3，5： | 20 |
| 2 | 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 |
| 3 | Pancreatitis after endoscopic retrograde cholangiopancreatography:A narrative review显示文摘Acute post-endoscopic retrograde cholangiopancreatography pancreatitis(PEP)is a feared and potentially fatal complication that can be as high as up to 30%in high-risk patients.Pre-examination measures,during the examination and after the examination are the key to technical and clinical success with a decrease in adverse events.Several studies have debated on the subject,however,numerous topics remain controversial,such as the effectiveness of prophylactic medications and the amylase dosage time.This review was designed to provide an update on the current scientific evidence regarding PEP available in the literature. | Igor Braga Ribeiro Epifanio Silvino do Monte Junior Antonio Afonso Miranda Neto Igor Mendonça Proença Diogo Turiani Hourneaux de Moura Mauricio Kazuyoshi Minata Edson Ide Marcos Eduardo Lera dos Santos Gustavo de Oliveira Luz Sergio Eiji Matuguma Spencer Cheng Renato Baracat Eduardo Guimarães Hourneaux de Moura | 2021 | World Journal of Gastroenterology2021，27，20： | 5 |
| 4 | Duodenal stenting for malignant gastric outlet obstruction:Prospective study显示文摘AIM:To evaluate the results of duodenal stenting for palliation of gastroduodenal malignant obstruction by using a gastric outlet obstruction score (GOOS).METHODS:A prospective,non-randomized study was performed at a tertiary center between August 2005 and April 2010.Patients were eligible if they had malignant gastric outlet obstruction (GOO) and were not candidates for surgical treatment.Medical history and patient demographics were collected at baseline.Scheduled interviews were made on the day of the procedure and 15,30,90 and 180 d later or unscheduled as necessary.RESULTS:Fifteen patients (6 male,9 female;median age 61 years) with GOO who had undergone duodenal stenting were evaluated.Ten patients had metastasis at baseline (66.6%) and 14 were unable to accept oral intake (93.33%),including 7 patients who were using a feeding tube.Laboratory data showed biliary obstruction in eight cases (53.33%);all were submitted to biliary drainage.Two patients developed obstructive symptoms due to tumor ingrowth after 30 d and another due to tumor overgrowth after 180 d.Two cases of stent migration occurred.A good response to treatment was observed,with a mean time of approximately 1 d (19 h) until toleration of a liquid diet and slightly more than 2 d for both soft solids (51 h) and a solid food/normal diet (55 h).The mean time to first failure to maintain liquid intake (GOOS ≥ 1) was 93 d.During follow-up,the mean time to first failure to maintain the previously achieved GOOS of 2-3 (solid/semi-solid food),considered technical failure,was 71 d.On the basis of oral intake a GOOS is defined:0 for no oral intake;1 for liquids only;2 for soft solids only;3 for lowresidue or full diet.CONCLUSION:Enteral stenting to alleviate gastroduodenal malignant obstruction improves quality of life in patients with limited life expectancy,which can be evaluated by using a GOO scoring system. | Eduardo Guimaräes Hourneaux Moura Flávio Coelho Ferreira Spencer Cheng Diogo Turiani Hourneaux Moura Paulo Sakai Bruno Zilberstain | 2012 | World Journal of Gastroenterology2012，18，9： | 5 |
| 5 | Role of pancreatography in the endoscopic management of encapsulated pancreatic collections-review and new proposed classification显示文摘Pancreatic fluids collections are local complications related to acute or chronic pancreatitis and may require intervention when symptomatic and/or complicated.Within the last decade,endoscopic management of these collections via endoscopic ultrasound-guided transmural drainage has become the gold standard treatment for encapsulated pancreatic collections with high clinical success and lower morbidity compared to traditional surgery and percutaneous drainage.Proper understanding of anatomic landmarks,including assessment of the main pancreatic duct and any associated lesions–such as disruptions and strictures-are key to achieving clinical success,reducing the need for reintervention or recurrence,especially in cases with suspected disconnected pancreatic duct syndrome.Additionally,proper review of imaging and anatomic landmarks,including collection location,are pivotal to determine type and size of pancreatic stenting as well as approach using long-term transmural indwelling plastic stents.Pancreatography to adequately assess the main pancreatic duct may be performed by two methods:Either non-invasively using magnetic resonance cholangiopancreatography or endoscopically via retrograde cholangiopancreatography.Despite the critical need to understand anatomy via pancrea tography and assess the main pancreatic duct,a standardized approach or uniform assessment strategy has not been described in the literature.Therefore,the aim of this review was to clarify the role of pancreatography in the endoscopic management of encapsulated pancreatic collections and to propose a new classification system to aid in proper assessment and endoscopic treatment. | Igor Mendonca Proença Marcos Eduardo Lera dos Santos Diogo Turiani Hourneaux de Moura Igor Braga Ribeiro Sergio Eiji Matuguma Spencer Cheng Thomas R McCarty Epifanio Silvino do Monte Junior Paulo Sakai Eduardo Guimaraes Hourneaux de Moura | 2020 | World Journal of Gastroenterology2020，26，45： | 3 |
| 6 | Papillary fistulotomy vs conventional cannulation for endoscopic biliary access:A prospective randomized trial显示文摘AIM To compare the cannulation success, biochemical profile, and complications of the papillary fistulotomy technique vs catheter and guidewire standard access.METHODS From July 2010 to May 2017, patients were prospectively randomized into two groups: Cannulation with a catheter and guidewire(Group Ⅰ) and papillary fistulotomy(Group Ⅱ). Amylase, lipase and C-reactive protein at T0, as well as 12 h and 24 h after endoscopic retrograde cholangiopancreatography, and complications(pancreatitis, bleeding, perforation) were recorded.RESULTS We included 102 patients(66 females and 36 males, mean age 59.11 ± 18.7 years). Group Ⅰ and Group Ⅱ had 51 patients each. The successful cannulation rates were 76.5% and 100%, respectively(P = 0.0002). Twelve patients(23.5%) in Group Ⅰ had a difficult cannulation and underwent fistulotomy, which led to successful secondary biliary access(Failure Group). The complication rate was 13.7%(2 perforations and 5 mild pancreatitis) vs 2.0%(1 patient with perforation and pancreatitis) in Groups Ⅰ and Ⅱ, respectively(P = 0.0597). CONCLUSION Papillary fistulotomy was more effective than guidewire cannulation, and it was associated with a lower profile of amylase and lipase. Complications were similar in both groups. | Carlos Kiyoshi Furuya Paulo Sakai Fabio Ramalho Tavares Marinho Jose Pinhata Otoch Spencer Cheng Lívia Lemes Prudencio Eduardo Guimaraes Hourneaux de Moura Everson Luiz de Almeida Artifon | 2018 | World Journal of Gastroenterology2018，24，16： | 2 |
| 7 | Factors influencing Agrobacterium-mediated transformation of monocotyledonous species显示文摘 | CHENG M LOWE B A SPENCER M | 2004 | In Vitro Cell Dev Biology Plant2004，40，： | 1 |
| 8 | Treatment of malignant gastroduodenal obstruction with a nitinol self-expanding metal stent: An international prospective multicentre registry显示文摘 | Guido Costamagna Andrea Tringali Julius Spicak Massimiliano Mutignani John Shaw Andre Roy Erik Johnsson Eduardo G.H. De Moura Spencer Cheng Thierry Ponchon Max Bittinger Helmut Messmann Horst Neuhaus Brigitte Schumacher Rene Laugier Juha Saarnio Francisco | 2011 | Digestive and Liver Disease2011，，1： | 1 |
| 9 | Factors influencing agrobacterium-mediated transformation of monocotyledonous species显示文摘 | Cheng M Lowe B A Spencer T M | 2004 | In Vitro Cellular & Developmental Biology2004，40，1： | 1 |
| 10 | Factors influencing Agrobacterium-mediated transformation of monocotyledonous species 显示文摘 | Cheng M Lowe B A Spencer T M | 2004 | In Vitro Cellular & Developmental Biology-Plant2004，40，1： | 1 |
| 11 | Factors influencing Agrobacterium-mediated transformation of monocotyledon-ous species显示文摘 | Cheng M Lowe B A Spencer T M | 2004 | In Vitro Cell Development Biology-Plant2004，40，： | 1 |
| 12 | Invited review: Fac- tors influencing Agrobacterium-mediated transformation of monocotyledonous species 显示文摘 | Cheng M Lowe B A Spencer T M | 2004 | Vitro Cellular & Devel- opmental Biology-Plant2004，40，： | 1 |
| 13 | Invited review: Factors influencing Agrobacterium-mediated transformation of monoco- tyledonous species显示文摘 | Cheng M Lowe B A Spencer T M | 2004 | In vitro Cell Dev Biol Plant2004，40，： | 1 |
| 14 | Factors influencing Agrobacterium-mediated transformation of monocotyledonous species显示文摘 | Cheng M Lowe B A Spencer T M | 2004 | In Vitro Cellular Developmental Biology- Plant2004，40，： | 1 |
| 15 | Factors influencing Agrobac- terium-mediated transformation of monocotyledonous species显示文摘 | Cheng M Lowe B A Spencer T M | 2004 | In Vit- ro Cellular & Developmental Biology-Plant2004，40，1： | 1 |
| 16 | Strength and tension/compression asymmetry in nanostruetured and ultrafine-grain metals显示文摘 | CHENG S SPENCER J A MILLIGAN W W | 2003 | Acta Materialia2003，51，： | 1 |
| 17 | Factors influencing Agrobacteriurn-mediated transformation of monocotyledonous species显示文摘 | Cheng M Lowe B A Spencer T M | 2004 | In Vitro Cellular and Development Biology-Plant2004，40，1： | 1 |
| 18 | Factors influencing Agrobacterium-mediated transformation of monocotyledonous species显示文摘 | CHENG M LOWE B A SPENCER T M | 2004 | In Vitro Cell Dev Biol Plant2004，40，1： | 1 |
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