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| 1 | Intraductal neoplasm of the intrahepatic bile duct: Clinicopathological study of 24 cases显示文摘AIM: To investigate the clinicopathological features of intraductal neoplasm of the intrahepatic bile duct (INihB). METHODS: Clinicopathological features of 24 cases of INihB, which were previously diagnosed as biliary papillomatosis or intraductal growth of intrahepatic biliary neoplasm, were reviewed. Mucin immunohistochemistry was performed for mucin (MUC)1, MUC2, MUC5AC and MUC6. Ki-67, P53 and β-catenin immunoreactivity were also examined. We categorized each tumor as adenoma (low grade), borderline (intermediate grade), and malignant (carcinoma in situ , high grade including tumors with microinvasion). RESULTS: Among 24 cases of INihB, we identified 24 tumors. Twenty of 24 tumors (83%) were composed of a papillary structure; the same feature observed in intraductal papillary neoplasm of the bile duct (IPNB). In contrast, the remaining four tumors (17%) showed both tubular and papillary structures. In three of the four tumors (75%), macroscopic mucin secretion was limited but microscopic intracellular mucin was evident. Histologically, 16 tumors (67%) were malignant, three (12%) were borderline, and five (21%) were adenoma. Microinvasion was found in four cases (17%). Immunohistochemical analysis revealed that MUC1 was not expressed in the borderline/adenoma group but was expressed only in malignant lesions (P = 0.0095). Ki-67 labeling index (LI) was significantly higher in the malignant group than in the borderline/adenoma group (22.2 ± 15.5 vs 7.5 ± 6.3, P < 0.01). In the 16 malignant cases, expression of MUC5AC showed borderline significant association with high Ki-67 LI (P = 0.0622). Nuclear expression of β-catenin was observed in two (8%) of the 24 tumors, and these two tumors also showed MUC1 expression. P53 was negative in all tumors. CONCLUSION: Some cases of INihB have a tubular structure, and are subcategorized as IPNB with tubular structure. MUC1 expression in INihB correlates positively with degree of malignancy. | Yoshiki Naito Hironori Kusano Osamu Nakashima Eiji Sadashima Satoshi Hattori Tomoki Taira Akihiko Kawahara Yoshinobu Okabe Kazuhide Shimamatsu Jun Taguchi Seiya Momosaki Koji Irie Rin Yamaguchi Hiroshi Yokomizo Michiko Nagamine Seiji Fukuda Shinichi Sugiyama Naoyo Nishida Koichi Higaki Munehiro Yoshitomi Masafumi Yasunaga Koji Okuda Hisafumi Kinoshita Masayoshi Kage Masamichi Nakayama Makiko Yasumoto Jun Akiba Hirohisa Yano | 2012 | World Journal of Gastroenterology2012，18，28： | 16 |
| 2 | 近液相线挤压铸造工艺对ADC12铝合金支架显微组织和力学性能的影响显示文摘以ADC12铝合金为原料,采用近液相线挤压铸造生产汽车铝合金支架,研究近液相线挤压铸造技术工艺参数对汽车承力件铝合金支架组织及力学性能的影响。结果表明:近液相线挤压铸造可获得均匀细小的球状组织。在595到625℃的浇注温度范围内,球状组织逐渐长大为蔷薇状晶及树枝晶,球状系数降低,晶粒尺寸升高,抗拉强度及伸长率均有所降低。在断口分析中,韧窝的数量减少,解理面的数量增多;随着压强由90 MPa上升到180 MPa,球状晶生长时间逐渐减少,最后以球状晶形式存在,球状系数升高,晶粒尺寸减小,抗拉强度及伸长率逐渐升高;随着保压时间从10 s延长到25 s,抗拉强度及伸长率有所增加。近液相线挤压铸造的最佳工艺为:浇注温度为605℃、压力为150 MPa、保压时间为20 s。由于铝液的流动,球状晶长大成孪生的蔷薇状晶。 | 王绍著 赵密 胡茂良 吉泽升 李欣 王云龙 Sumio SUGIYAMA Jun YANAGIMOTO | 2015 | 中国有色金属学报2015，25，6： | 14 |
| 3 | Reduced hemoglobin and increased C-reactive protein are associated with upper gastrointestinal bleeding显示文摘AIM: To investigate the early upper gastrointestinal endoscopy(endoscopy) significantly reduces mortality resulting from upper gastrointestinal(GI) bleeding. METHODS: Upper GI bleeding was defined as 1a, 1b, 2a, and 2b according to the Forrest classification. The hemoglobin(Hb), and C-reactive protein(CRP) were examined at around the day of endoscopy and 3 mo prior to endoscopy. The rate of change was calculated as follows:(the result of blood examination on the day of endoscopy- the results of blood examination 3 mo prior to endoscopy)/(results of blood examination 3 mo prior to endoscopy). Receiver operating characteristic curves were created to determine threshold values. RESULTS: Seventy-nine men and 77 women were enrolled. There were 17 patients with upper GI bleeding: 12 with a gastric ulcer, 3 with a duodenal ulcer, 1 with an acute gastric mucosal lesion, and 1 with gastric cancer. The area under the curve(AUC), threshold, sensitivity, and specificity of Hb around the day of endoscopy were 0.902, 11.7 g/dL, 94.1%, and 77.1%, respectively, while those of CRP were 0.722, 0.5 mg/dL, 70.5%, and 73%, respectively. The AUC, threshold, sensitivity, and specificity of the rate of change of Hb were 0.851,-21.3%, 76.4%, and 82.6%, respectively, while those of CRP were 0.901, 100%, 100%, and 82.5%, respectively. CONCLUSION: Predictors for upper GI bleeding were Hb < 11.7 g/dL, reduction rate in the Hb > 21.3% and an increase in the CRP > 100%, 3 mo before endoscopy. | Minoru Tomizawa Fuminobu Shinozaki Rumiko Hasegawa Akira Togawa Yoshinori Shirai Noboru Ichiki Yasufumi Motoyoshi Takao Sugiyama Shigenori Yamamoto Makoto Sueishi | 2014 | World Journal of Gastroenterology2014，20，5： | 13 |
| 4 | Development of osteomalacia in a post-liver transplant patient receiving adefovir dipivoxil显示文摘We report the case of a patient treated with living donor-related liver transplantation who suffered from osteomalacia during adefovir dipivoxil (ADV)-containing antiviral therapy for lamivudine-resistant hepatitis B virus infection. The patient had generalized bone pain,with severe hypophosphatemia after 20 mo of ADV therapy. Radiographic studies demonstrated the presence of osteomalacia. The peak plasma ADV level was 38 ng/mL after administration of ADV at 10mg/day. It was also found that ADV affected the metabolism of tacrolimus,a calcineurin-inhibitor,and caused an increase in the plasma levels of tacrolimus. The disability was reversed with the withdrawal of ADV and with mineral supplementation. ADV can cause an elevation of plasma tacrolimus levels,which may be associated with renal dysfunction. High levels of ADV and tacrolimus can cause nephrotoxicity and osteomalacia. This case highlights the importance of considering a diagnosis of osteomalacia in liver transplantation recipients treated with both ADV and tacrolimus. | Masami Minemura Yoshiharu Tokimitsu Kazuto Tajiri Yasuhiro Nakayama Kengo Kawai Hiroshi Kudo Katsuharu Hirano Yoshinari Atarashi Yutaka Yata Satoshi Yasumura Terumi Takahara Toshiro Sugiyama | 2010 | World Journal of Hepatology2010，2，12： | 13 |
| 5 | Insulin-like growth factor-I receptor in proliferation and motility of pancreatic cancer显示文摘AIM:To develop a molecular therapy for pancreatic cancer, the insulin-like growth factor-I (IGF-I) signaling pathway was analyzed.METHODS: Pancreatic cancer cell lines (MIA-Paca2, NOR-P1, PANC-1, PK-45H, PK-1, PK-59 and KP-4) were cultured in media with 10 mL/L fetal bovine serum. Western blotting analysis was performed to clarify the expression of IGF-I receptor (IGF-IR). Picropodophyllin (PPP), a specific inhibitor of IGF-IR, LY294002, a specific inhibitor of phosphatidylinositol3 kinase (PI3K), and PD98059, a specific inhibitor of mitogen-activated protein kinase, were added to the media. After 72 h, a 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt (MTS) assay was performed to analyze cell proliferation. A wound assay was performed to analyze cell motility with hematoxylin and eosin (HE) staining 48 h after addition of each inhibitor. RESULTS: All cell lines clearly expressed not only IGF-IR but also phosphorylated IGF-IR. PPP significantly suppressed proliferation of MIA-Paca2, NOR-P1, PANC-1, PK-45H, PK-1, PK-59 and KP-4 cells to 36.9% ± 2.4% (mean ± SD), 30.9% ± 5.5%, 23.8% ± 3.9%, 37.1% ± 5.3%, 10.4% ± 4.5%, 52.5% ± 4.5% and 22.6% ± 0.4%, at 2 μmol/L, respectively (P < 0.05). LY294002 significantly suppressed proliferation of MIA-Paca2, NOR-P1, PANC-1, PK-45H, PK-1, PK-59 and KP-4 cells to 44.4% ± 7.6%, 32.9% ± 8.2%, 53.9% ± 8.0%, 52.8% ± 4.0%, 32.3% ± 4.2%, 51.8% ± 4.5%, and 30.6% ± 9.4%, at 50 μmol/L, respectively (P < 0.05). PD98059 did not significantly suppress cell proliferation. PPP at 2 μmol/L suppressed motility of MIA-Paca2, NOR-P1, PANC-1, PK-45H, PK-1, PK-59 and KP-4 cells to 3.0% ± 0.2%, 0%, 0%, 2.0% ± 0.1%, 5.0% ± 0.2%, 3.0% ± 0.1%, and 5.0% ± 0.2%, respectively (P < 0.05). LY294002 at 50 μmol/L suppressed motility of MIA-Paca2, NOR-P1, PANC-1, PK-45H, PK-1, PK-59 and KP-4 to 3.0% ± 0.2%, 0%, 3.0% ± 0.2%, 0%, 0%, 0% and 3% ± 0.1%, respectively (P < 0.05). PD980509 at 20 μmol/L did not suppress motility. Cells were observed by microscopy to analyze the morphological changes induced by the inhibitors. Cells in medium treated with 2 μmol/L PPP or 50 μmol/L LY294002 had pyknotic nuclei, whereas those in medium with 20 μmol/L PD98059 did not show apoptosis.CONCLUSION: IGF-IR and PI3K are good candidates for molecular therapy of pancreatic cancer. | Minoru Tomizawa Fuminobu Shinozaki Takao Sugiyama Shigenori Yamamoto Makoto Sueishi Takanobu Yoshida | 2010 | World Journal of Gastroenterology2010，16，15： | 12 |
| 6 | Current status of preoperative drainage for distal biliary obstruction显示文摘Preoperative biliary drainage(PBD) was developed to improve obstructive jaundice, which affects a number of organs and physiological mechanisms in patients waiting for surgery. However, its role in patients who will undergo pancreaticoduodenectomy for biliary obstruction remains controversial. This article aims to review the current status of the use of preoperative drainage for distal biliary obstruction. Relevant articles published from 1980 to 2015 were identified by searching MEDLINE and Pub Med using the keywords 'PBD', 'pancreaticoduodenectomy', and 'obstructive jaundice'. Additional papers were identified by a manual search of the references from key articles. Current studies have demonstrated that PBD should not be routinely performed because of the postoperative complications. PBD should only be considered in carefully selected patients, particularly in cases where surgery had to be delayed. PBD may be needed in patients with severe jaundice, concomitant cholangitis, or severe malnutrition. The optimal method of biliary drainage has yet to be confirmed. PBD should be performed by endoscopic routes rather than by percutaneous routes to avoid metastatic tumor seeding. Endoscopic stenting or nasobiliary drainage can be selected. Although more expensive, the use of metallic stents remains a viable option to achieve effective drainage without cholangitis and reintervention. | Harutoshi Sugiyama Toshio Tsuyuguchi Yuji Sakai Rintaro Mikata Shin Yasui Yuto Watanabe Dai Sakamoto Masato Nakamura Reina Sasaki Jun-ichi Senoo Yuko Kusakabe Masahiro Hayashi Osamu Yokosuka | 2015 | World Journal of Hepatology2015，7，18： | 11 |
| 7 | Successful treatment of conversion chemotherapy for initially unresectable synchronous colorectal liver metastasis显示文摘A 72-year-old woman with a sigmoid colon cancer and a synchronous colorectal liver metastasis(CRLM),which involved the right hepatic vein(RHV)and the inferior vena cava(IVC),was referred to our hospital.The metastatic lesion was diagnosed as initially unresectable because of its invasion into the confluence of the RHV and IVC.After she had undergone laparoscopic sigmoidectomy for the original tumor,she consequently had 3 courses of modified 5-fluorouracil,leucovorin,and oxaliplatin(m FOLFOX6)plus cetuximab.Computed tomography revealed a partial response,and the confluence of the RHV and IVC got free from cancer invasion.After 3 additional courses of m FOLFOX6 plus cetuximab,preoperative percutaneous transhepatic portal vein embolization(PTPE)was performed to secure the future remnant liver volume.Finally,a right hemihepatectomy was performed.The postoperative course was uneventful.The patient was discharged from the hospital on postoperative day 13.She had neither local recurrence nor distant metastasis 18 mo after the last surgical intervention.This multidisciplinary strategy,consisting of conversion chemotherapy using FOLFOX plus cetuximab and PTPE,could contribute in facilitating curative hepatic resection for initially unresectable CRLM. | Kenta Baba Akihiko Oshita Mohei Kohyama Satoshi Inoue Yuta Kuroo Takuro Yamaguchi Hiroyuki Nakamura Yoichi Sugiyama Tatsuya Tazaki Masaru Sasaki Yuji Imamura Yutaka Daimaru Hideki Ohdan Atsushi Nakamitsu | 2015 | World Journal of Gastroenterology2015，21，6： | 10 |
| 8 | Utility of endoscopic retrograde cholangiopancreatography on biliopancreatic diseases in patients with Billroth Ⅱ-reconstructed stomach显示文摘AIM To examine the utility of endoscopic retrograde cholangiopancreatography(ERCP) on biliopancreatic diseases in the patients with Billroth II-reconstructed stomach.METHODS For 26 cases of biliopancreatic diseases in patients with Billroth Ⅱ-reconstructed stomach,ERCP was conducted using a straight-view scope or a retrograde obliqueviewing endoscope.All the cases were patients aiming at selective insertion into the bile duct.One patient aimed at diagnosis,and 25 patients aimed at treatment.The cases in which the endoscope reached the duodenal papilla and anastomosis,and insertion into the bile duct became possible,were considered successful.RESULTS The rate of reaching the duodenal papilla and anastomosis was 84.7%(22/26 patients).Among the cases without reaching the duodenal papilla and anastomosis,there were 2 in which the endoscope did not pass due to tumor-induced duodenal infiltration.In 1 case,the fiber did not reach the duodenal papilla due to long afferent loop.The success rate of insertion into the bile duct in patients in which the endoscope reached the duodenal papilla and anastomosis was 90.9%(20/22 patients),and the success rate of procedures including treatment was 86.3%(19/22 patients).After treatment,mild cholangitis was observed in 1 patient(4.5%,1/22 patients) but relieved conservatively.No other accidental symptom was observed.CONCLUSION It was considered that the ERCP for biliopancreatic diseases in patients with Billroth II-reconstructed stomach will become a less invasive,safe and useful examination and treatment approach. | Yuji Sakai Toshio Tsuyuguchi Rintaro Mikata Harutoshi Sugiyama Shin Yasui Masaru Miyazaki Osamu Yokosuka | 2017 | World Journal of Gastrointestinal Endoscopy2017，9，3： | 10 |
| 9 | 根据血压等级确定脑卒中和冠状动脉粥样硬化性心脏病死亡的终生风险:日本EPOCH(观察队列的心血管预防证据)研究显示文摘在亚洲人群中.很少研究关注根据血压分类确定脑卒中和冠状动脉粥样硬化性心脏病(coronary heartdisease,CHD)的终生风险。该研究旨在用一个包含个体参与者数据的荟萃分析大数据库来评估它。该荟萃分析纳入来源于13个队列的107 737名日本人(男性占42.4%,平均年龄55.1岁)。在平均(15.2±5.3)年(1 559 136人年)的随访期.1922人死于脑卒中,913人死于CHDO研究者在调整其他死亡危险因素后估计风险。 | 陈嘉睿(译) 练桂丽(审校) Satoh M Ohkubo T Asayama K Murakami Y Sugiyama D Yamada M Saitoh S Sakata K Irie F Sairenchi T Ishikawa S Kiyama M Ohnishi H Miura K Imai Y Ueshima H Okamura T EPOCH-JAPAN research group | 2019 | 中华高血压杂志2019，27，4： | 9 |
| 10 | Cholangiopancreatography troubleshooting:the usefulness of endoscopic retrieval of migrated biliary and pancreatic stents显示文摘BACKGROUND:Stent migration in the hepatopancreatic duct might arise as one of the rare complications associated with biliary or pancreatic stenting.Although there are some procedures to retrieve the migrated stent,including surgical,percutaneous,and endoscopic approaches,endoscopy should be attempted first because it is least invasive.This study set out to evaluate the usefulness of endoscopic retrieval of migrated biliary and pancreatic stents.METHODS:Plastic stents that migrated in the bile duct(35 patients)or pancreatic duct(2)were retrieved with endoscopic retrograde cholangiopancreatography.Devices used were snare forceps,a basket catheter,grasping forceps,biopsy forceps,a balloon catheter,and the Soehendra stent retriever.RESULTS:Endoscopic retrieval of migrated stents was performed successfully in 36(97.0%)of the 37 patients.The devices utilized for successful treatment were basket catheter(13 patients),grasping forceps(10),snare forceps(8),balloon catheter(3),biopsy forceps(1),and the Soehendra stent retriever(1).The unsuccessfully treated patient with chronic pancreatitis underwent surgery since the guide wire did not move forward due to bile duct stenosis,and there was also duodenal stenosis.One patient developed mild pancreatitis after withdrawal of the stent;the pancreatitis was relieved with conservative treatment.CONCLUSIONS:Endoscopic retrieval of migrated biliary and pancreatic stents appears to be useful because of its safety and low invasiveness.However,various forceps should be prepared for the retrieval of a migrated stent. | Yuji Sakai Toshio Tsuyuguchi Takeshi Ishihara Harutoshi Sugiyama Reiko Eto Tatsuya Fujimoto Shin Yasui Ryo Tamura Seiko Togo Motohisa Tada Osamu Yokosuka | 2009 | Hepatobiliary & Pancreatic Diseases International2009，8，6： | 8 |
| 11 | Prognostic factors of T4 gastric cancer patients undergoing potentially curative resection显示文摘AIM:To investigate the prognostic factors of T4 gastric cancer patients without distant metastasis who could undergo potentially curative resection. METHODS:We retrospectively analyzed the clinical data of 71 consecutive patients diagnosed with T4 gastric cancer and who underwent curative gastrectomy at our institutions.The clinicopathological factors that could be associated with overall survival were evaluated.The cumulative survival was determined by the Kaplan-Meier method,and univariate comparisons between the groups were performed using the log-rank test.Multivariate analysis was performed using the Cox proportional hazard model and a step-wise procedure. RESULTS:The study patients comprised 53 men (74.6%)and 18 women(25.4%)aged 39-89 years (mean,68.9 years).Nineteen patients(26.8%)had postoperative morbidity:pancreatic fistula developed in 6 patients(8.5%)and was the most frequent complication,followed by anastomosis stricture in 5 patients (7.0%).During the follow-up period,28 patients(39.4%)died because of gastric cancer recurrence,and 3(4.2%) died because of another disease or accident.For all patients,the estimated overall survival was 34.1%at 5 years.Univariate analyses identified the following statistically significant prognostic factors in T4 gastric cancer patients who underwent potentially curative resection: peritoneal washing cytology(P<0.01),number of metastatic lymph nodes(P<0.05),and venous invasion(P <0.05).In multivariate analyses,only peritoneal washing cytology was identified as an independent prognostic factor(HR=3.62,95%CI=1.37-9.57)for longterm survival. CONCLUSION:Positive peritoneal washing cytology was the only independent poor prognostic factor for T4 gastric cancer patients who could be treated with potentially curative resection. | Naoto Fukuda Yasuyuki Sugiyama Joji Wada | 2011 | World Journal of Gastroenterology2011，17，9： | 8 |
| 12 | Patient characteristics with high or low blood urea nitrogen in upper gastrointestinal bleeding显示文摘AIM: To examine characteristics of patients with blood urea nitrogen(BUN) levels higher and lower than the normal limit.METHODS: Patient records between April 2011 and March 2014 were analyzed retrospectively. During this time, 3296 patients underwent upper endoscopy. In total, 50 male(69.2 ± 13.2 years) and 26 female(72.3 ± 10.2 years) patients were assessed. Patients were divided into two groups based on BUN levels: higher than the normal limit(21.0 mg/d L)(H) and lower thanthe normal limit(L). One-way analysis of variance was performed to reveal differences in the variables between the H and L groups. Fisher's exact test was used to compare the percentage of patients with gastric ulcer or gastric cancer in the H and L groups.RESULTS: White blood cell count was higher in the H group than in the L group(P = 0.0047). Hemoglobin level was lower in the H group than in the L group(P = 0.0307). Glycated hemoglobin was higher in the H group than in the L group(P = 0.0264). The percentage of patients with gastric ulcer was higher in the H group(P = 0.0002). The H group contained no patients with gastric cancer.CONCLUSION: Patients with BUN ≥ 21 mg/d L might have more severe upper gastrointestinal bleeding. | Minoru Tomizawa Fuminobu Shinozaki Rumiko Hasegawa Yoshinori Shirai Yasufumi Motoyoshi Takao Sugiyama Shigenori Yamamoto Naoki Ishige | 2015 | World Journal of Gastroenterology2015，21，24： | 8 |
| 13 | 利用工业废料研制再生陶瓷初探(英文)显示文摘为了材料的充分循环,实现可持续发展,研究人员对回收工业废料用做陶瓷原料的技术进行了探索。本文阐述了再生陶瓷的研发状况,介绍了其粉体制备、坯料、配方、成型和烧成工艺,同时还针对节能环保的要求,研究了降低烧成温度和缩短烧成周期的策略。回收废瓷粉、废玻璃粉、燃烧灰烬、废粘土、废赤泥(氧化铝工业废料)和粉煤灰等工业废渣,配成多种陶瓷坯料,并测试了各种坯料配方的物理特性,确定了每种配方的烧成温度。配方中添加废玻璃可以有效地降低烧成温度。研制出的一种再生陶瓷的可行性坯料配方是:80-20%废瓷粉,20-80%燃烧灰烬,30%废玻璃粉。坯料干压成型,经1100℃烧成后,吸水率为9.9%,体积密度为2.52g/cm3。该坯料配方可采用速烧工艺。 | Nagae Hajime Suzuki Kazuo Sugiyama Toyohiko | 2005 | 陶瓷学报2005，26，1： | 8 |
| 14 | PCR技术对Wilson病基因进行定点突变的研究显示文摘【目的】利用聚合酶链反应 (PCR)技术对Wilson病 (WD)基因进行体外定点突变的研究。【方法】采用PCR定点突变技术 ,首先设计两对引物 ,将突变位点设计在引物上 ,通过重叠延伸法两次PCR扩增 ,扩增片段上含有所需要的突变位点 ,最后将扩增片段克隆入pRc/CMV载体中。【结果】DNA测序表明在预期位点已经发生突变 ,WD基因第 778位密码子由精氨酸 (Arg)残基突变为亮氨酸残基 (Leu) ,用PCR定点突变技术成功构建Wilson病基因突变体。【结论】PCR技术诱导定点突变准确、高效。Wilson病基因突变体的构建成功 ,为进一步研究该突变位点导致Wilson病的发病机制和Wilson病蛋白的结构和功能的关系奠定了基础。 | 闫振文 梁秀龄 杨春水 侯国庆 王莹 Toshihiro Sugiyama | 2002 | 中山医科大学学报2002，23，2： | 7 |
| 15 | Short-and long-term results of endoscopic ultrasoundguided transmural drainage for pancreatic pseudocysts and walled-off necrosis显示文摘AIM To evaluate the short-and long-term results of endoscopic ultrasound-guided transmural drainage(EUS-GTD) for pancreatic fluid collection(PFC) and identify the predictive factors of treatment outcome for walled-off necrosis(WON) managed by EUS-GTD alone.METHODS We investigated 103 consecutive patients with PFC who underwent EUS-GTD between September 1999 and August 2015. Patients were divided into four groups as follows: WON(n = 40), pancreatic pseudocyst(PPC; n = 11), chronic pseudocyst(n = 33), and others(n = 19). We evaluated the short-and long-term outcomes of the treatment. In cases of WON, multiple logistic regression analyses were performed to identify the predictor variables associated with the treatment success. In addition, PFC recurrence was examined in patients followed up for more than 6 mo and internal stent removal after successful EUS-GTD was confirmed.RESULTS In this study, the total technical success rate was 96.1%. The treatment success rate of WON, PPC, chronic pseudocyst, and others was 57.5%, 90.9%, 91.0%, and 89.5%, respectively. Contrast-enhanced computed tomography using the multivariate logistic regression analysis revealed that the treatment success rate of WON was significantly lower in patients with more than 50% pancreatic parenchymal necrosis(OR = 17.0; 95%CI: 1.9-150.7; P = 0.011) and in patients with more than 150 mm of PFC(OR = 27.9; 95%CI: 3.4-227.7; P = 0.002).The recurrence of PFC in the long term was 13.3%(median observation time, 38.8 mo). Mean amylase level in the cavity was significantly higher in the recurrence group than in the no recurrence group(P = 0.02).CONCLUSION The reduction of WON by EUS-GTD alone was associated with the proportion of necrotic tissue and extent of the cavity. The amylase level in the cavity may be a predictive factor for recurrence of PFC. | Yuto Watanabe Rintaro Mikata Shin Yasui Hiroshi Ohyama Harutoshi Sugiyama Yuji Sakai Toshio Tsuyuguchi Naoya Kato | 2017 | World Journal of Gastroenterology2017，23，39： | 7 |
| 16 | A new index for non-invasive assessment of liver fibrosis显示文摘AIM:To construct and evaluate a new non-invasive fibrosis index for assessment of the stage of liver f ibrosis. METHODS:A new f ibrosis index (Fibro-Stiffness index) was developed in 165 of 285 patients with chronic hepatitis C, and was validated in the other 120 patients where liver biopsy was performed. Its usefulness was compared with liver stiffness (LS) measured by FibroScan, the aminotransferase-to-platelet ratio index, the Forns index and the FibroIndex. RESULTS: The Fibro-Stiffness index consists of LS,platelet count and prothrombin time. The values of the Fibro-Stiffness index differed signif icantly between neighboring f ibrosis stages except F0-F1. The area under the receiver operating characteristics curves of the Fibro-Stiffness index for prediction of F≥2 (0.90), F≥ 3 (0.90) and F= 4(0.92) in the estimation group and those for F≥ 3 (0.93) and F =4 (0.97) in the validation group were the highest among the 5 methods examined. The accuracy of the Fibro-Stiffness index had highest values for F≥2, F≥3 and F=4 in both the estimation and validation groups. The diagnostic performance for F= 4 was improved by a combination of the Fibro-Stiffness index with serum hyaluronic acid level. CONCLUSION: The Fibro-Stiffness index was constructed and validated. It showed superior diagnostic performance to other indices for F ≥ 2,3 and 4. | Naohiro Ichino Keisuke Osakabe Toru Nishikawa Hiroko Sugiyama Miho Kato Shiho Kitahara Senju Hashimoto Naoto Kawabe Masao Harata Yoshifumi Nitta Michihito Murao Takuji Nakano Yuko Arima Hiroaki Shimazaki Koji Suzuki Kentaro Yoshioka | 2010 | World Journal of Gastroenterology2010，16，38： | 7 |
| 17 | Efficacy of multiple biliary stenting for refractory benign biliary strictures due to chronic calcifying pancreatitis显示文摘AIM To investigate endoscopic therapy efficacy for refractory benign biliary strictures(BBS) with multiple biliary stenting and clarify predictors.METHODS Ten consecutive patients with stones in the pancreatic head and BBS due to chronic pancreatitis who underwent endoscopic therapy were evaluated. Endoscopic insertion of a single stent failed in all patients. We used plastic stents(7F, 8.5F, and 10F) and increased stents at intervals of 2 or 3 mo. Stents were removed approximately 1 year after initial stenting. BBS and common bile duct(CBD) diameter were evaluated using cholangiography. Patients were followed for ≥ 6 mo after therapy, interviewed for cholestasis symptoms, and underwent liver function testing every visit. Patients with complete and incomplete stricture dilations were compared.RESULTS Endoscopic therapy was completed in 8(80%) patients, whereas 2(20%) patients could not continue therapy because of severe acute cholangitis and abdominal abscess, respectively. The mean number of stents was 4.1 ± 1.2. In two(20%) patients, BBS did not improve; thus, a biliary stent was inserted. BBS improved in six(60%) patients. CBD diameter improved more significantly in the complete group than in the incomplete group(6.1 ± 1.8 mm vs 13.7 ± 2.2 mm, respectively, P = 0.010). Stricture length was significantly associated with complete stricture dilation(complete group; 20.5 ± 3.0 mm, incomplete group; 29.0 ± 5.1 mm, P = 0.011). Acute cholangitis did not recur during the mean follow-up period of 20.6 ± 7.3 mo.CONCLUSION Sequential endoscopic insertion of multiple stents is effective for refractory BBS caused by chronic calcifying pancreatitis. BBS length calculation can improve patient selection procedure for therapy. | Hiroshi Ohyama Rintaro Mikata Takeshi Ishihara Yuji Sakai Harutoshi Sugiyama Shin Yasui Toshio Tsuyuguchi | 2017 | World Journal of Gastrointestinal Endoscopy2017，9，1： | 6 |
| 18 | Comparison of endoscopic papillary balloon dilatation and endoscopic sphincterotomy for bile duct stones显示文摘Endoscopic treatment for bile duct stones is low-invasive and currently considered as the first choice of the treatment. For the treatment of bile duct stones, papillary treatment is necessary, and the treatments used at the time are broadly classified into two types; endoscopic papillary balloon dilatation where bile duct closing part is dilated with a balloon and endoscopic sphincterotomy(EST) where bile duct closing part is incised. Both procedures have advantages and disadvantages. Golden standard is EST, however, there are patients with difficulty for EST, thus we must select the procedure based on understanding of the characteristics of the procedure, and patient backgrounds. | Yuji Sakai Toshio Tsuyuguchi Harutoshi Sugiyama Masahiro Hayashi Jun-ichi Senoo Yuko Kusakabe Shin Yasui Rintaro Mikata Osamu Yokosuka | 2016 | World Journal of Gastrointestinal Endoscopy2016，8，10： | 6 |
| 19 | Toxocariasis:a silent threat with a progressive public health impact显示文摘Background:Toxocariasis is a neglected parasitic zoonosis that afflicts millions of the pediatric and adolescent populations worldwide,especially in impoverished communities.This disease is caused by infection with the larvae of Toxocara canis and T.cati,the most ubiquitous intestinal nematode parasite in dogs and cats,respectively.In this article,recent advances in the epidemiology,clinical presentation,diagnosis and pharmacotherapies that have been used in the treatment of toxocariasis are reviewed.Main text:Over the past two decades,we have come far in our understanding of the biology and epidemiology of toxocariasis.However,lack of laboratory infrastructure in some countries,lack of uniform case definitions and limited surveillance infrastructure are some of the challenges that hindered the estimation of global disease burden.Toxocariasis encompasses four clinical forms:visceral,ocular,covert and neural.Incorrect or misdiagnosis of any of these disabling conditions can result in severe health consequences and considerable medical care spending.Fortunately,multiple diagnostic modalities are available,which if effectively used together with the administration of appropriate pharmacologic therapies,can minimize any unnecessary patient morbidity.Conclusions:Although progress has been made in the management of toxocariasis patients,there remains much work to be done.Implementation of new technologies and better understanding of the pathogenesis of toxocariasis can identify new diagnostic biomarkers,which may help in increasing diagnostic accuracy.Also,further clinical research breakthroughs are needed to develop better ways to effectively control and prevent this serious disease. | Jia Chen Quan Liu Guo-Hua Liu Wen-Bin Zheng Sung-Jong Hong Hiromu Sugiyama Xing-Quan Zhu Hany M.Elsheikha | 2018 | Infectious Diseases of Poverty2018，7，1： | 6 |
| 20 | Effects of heat treatment on the microstructures and mechanical properties of a new type of nitrogen-containing die steel显示文摘Nitrogen can increase the strength of steels without weakening the toughness and improve the corrosion resistance at the same time. Compared with conventional nitrogen-free die steels, a new type of nitrogen-containing die steel was developed with many superior properties, such as high strength, high hardness, and good toughness. This paper focused on the effects of heat treatment on the microstruc-tures and mechanical properties of the new type of nitrogen-containing die steel, which were investigated by the optimized deformation process and heat treatment. Isothermal spheroidal annealing and high-temperature quenching as well as high-temperature tempering were ap-plied in the experiment by means of an orthogonal method after the steel was multiply forged. The mechanical properties of nitro-gen-containing die steel forgings are better than the standard of NADCA #207-2003. | Jing-yuan Li Peng Zhao Jun Yanagimoto Sumio Sugiyama Yu-lai Chen | 2012 | International Journal of Minerals,Metallurgy and Materials2012，19，6： | 6 |
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