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| 1 | Current surgical treatment of esophagogastric junction adenocarcinoma显示文摘The incidence of esophagogastric junction(EGJ)adenocarcinoma has shown an upward trend over the past several decades worldwide.In this article,we review previous studies and aimed to provide an update on the factors related to the surgical treatment of EGJ adenocarcinoma.The Siewert classification has implications for lymph node spread and is the most commonly used classification.Different types of EGJ cancer have different incidences of mediastinal and abdominal lymph node metastases,and different surgical approaches have unique advantages and disadvantages.Minimally invasive surgeries have been increasingly applied in clinical practice and show comparable oncologic outcomes.Endoscopic resection may be a good therapy for early EGJ cancer.Additionally,there is still a great need for well-designed,large RCTs to forward our knowledge on the surgical treatment of EGJ cancer. | Shun Zhang Hajime Orita Tetsu Fukunaga | 2019 | World Journal of Gastrointestinal Oncology2019，11，8： | 8 |
| 2 | Easy fixation effects the prevention of Peterson’s hernia and Roux stasis syndrome显示文摘BACKGROUND Laparoscopic distal gastrectomy(LDG)for gastric cancer has been progressed and popular in Japan,since it was first described in 1994.Several reconstruction methods can be adopted according to remnant stomach size,and balance of pros and cons.Roux-en-Y(R-Y)reconstruction is a one of standard options after LDG.Its complications include Petersen’s hernia and Roux stasis syndrome.Here we report our ingenious attempt,fixation of Roux limb and duodenal stump,for decreasing the development of Petersen’s hernia and Roux stasis syndrome.AIM To develop a method to decrease the development of Petersen’s hernia and Roux stasis syndrome.METHODS We performed ante-colic R-Y reconstruction after LDG.After R-Y reconstruction,we fixed Roux limb onto the duodenal stump in a smooth radian.Via this small improvement in Roux limb,Roux limb was placed to the right of the ligament of Treitz.This not only changed the anatomy of the Petersen’s defect,but it also kept a fluent direction of gastrointestinal anastomosis and avoided a cross-angle after jejunojejunostomy.31 patients with gastric cancer was performed this technique after R-Y reconstruction.Clinical parameters including clinicopathologic characteristics,perioperative outcomes,postoperative complication and follow-up data were evaluated.RESULTS The operative time was(308.0±84.6 min).This improvement method took about 10 min.Two(6.5%)patients experienced pneumonia and pancreatitis,respectively.No patient required reoperation or readmission.All patients were followed up for at least 3 year,and none of the patients developed postoperative complications related to internal hernia or Roux stasis syndrome.CONCLUSION This 10 min technique is a very effective method to decrease the development of Petersen’s hernia and Roux stasis syndrome in patients who undergo LDG. | Jian-Zhong Wu Hajime Orita Shun Zhang Hiroyuki Egawa Yukinori Yube Sanae Kaji Shinichi Oka Tetsu Fukunaga | 2020 | World Journal of Gastrointestinal Surgery2020，12，8： | 2 |
| 3 | Clinical proteomics identified ATP-dependent RNA helicase DDX39 as a novel biomarker to predict poor prognosis of patients with gastrointestinal stromal tumor显示文摘 | Kazutaka Kikuta Daisuke Kubota Tsuyoshi Saito Hajime Orita Akihiko Yoshida Hitoshi Tsuda Yoshiyuki Suehara Hitoshi Katai Yasuhiro Shimada Yoshiaki Toyama Koichi Sato Takashi Yao Kazuo Kaneko Yasuo Beppu Yasufumi Murakami Akira Kawai Tadashi Kondo | 2011 | Journal of Proteomics2011，，4： | 1 |
| 4 | ERC/mesothelin is expressed in human gastric cancer tissues and celllines显示文摘 | Tomoaki Ito Kazunori Kajino Masaaki Abe Koichi Sato Hiroshi Maekawa Mutsumi Sakurada Hajime Orita Ryo Wada Yoshiaki Kajiyama Okio Hino | 2014 | Oncology Reports2014，，： | 1 |
| 5 | Long-term outcomes of postgastrectomy syndrome after total laparoscopic distal gastrectomy using the augmented rectangle technique显示文摘BACKGROUND For total laparoscopic distal gastrectomies for gastric cancer,the reconstruction method is critical to the clinical outcome of the procedure.However,which reconstruction technique is optimal remains controversial.We originally reported the augmented rectangle technique(ART)as a reconstruction option for total laparoscopic Billroth I reconstructions.Still,little is known about its effect on long-term outcomes,specifically the incidence of postgastrectomy syndrome and its impact on quality of life.AIM To analyze postgastrectomy syndrome and quality of life after ART using the Postgastrectomy Syndrome Assessment Scale-37(PGSAS-37)questionnaire.METHODS At Juntendo University,a total of 94 patients who underwent ART for Billroth I reconstruction with total laparoscopic distal gastrectomies for gastric cancer between July 2016 and March 2020 completed the PGSAS-37 questionnaire.Multidimensional analysis was performed,comparing those 94 ART cases from our institution(ART group)to 909 distal gastrectomy cases with a Billroth I reconstruction from other Japanese institutions who also completed the PGSAS-37 as part of a larger national database(PGSAS group).RESULTS Patients in the ART group had significantly better total symptom scores in all the symptom subscales(i.e.,esophageal reflux,abdominal pain,meal-related distress,indigestion,diarrhea,constipation,and dumping).The loss of body weight was marginally greater for those in the ART group than in the PGSAS group(-9.3%vs-7.9%,P=0.054).The ART group scored significantly lower in their dissatisfaction of ongoing symptoms,during meals,and with daily life.CONCLUSION ART for Billroth I reconstruction provided beneficial long-term results for postgastrectomy syndrome and quality of life in patients undergoing total laparoscopic distal gastrectomies for gastric cancer. | Suguru Yamauchi Hajime Orita Jun Chen Hiroki Egawa Yutaro Yoshimoto Akira Kubota Ryota Matsui Yukinori Yube Sanae Kaji Shinichi Oka Malcolm V Brock Tetsu Fukunaga | 2022 | World Journal of Gastrointestinal Surgery2022，14，2： | 0 |
| 6 | Effectiveness and safety of a laparoscopic training system combined with modified reconstruction techniques for total laparoscopic distal gastrectomy显示文摘BACKGROUND Total laparoscopic distal gastrectomy(TLDG)is increasing due to some advantages over open surgery,which has generated interest in gastrointestinal surgeons.However,TLDG is technically demanding especially for lymphadenectomy and gastrointestinal reconstruction.During the course of training,trainee surgeons have less chances to perform open gastrectomy compared with that of senior surgeons.AIM To evaluate an appropriate,efficient and safe laparoscopic training procedures suitable for trainee surgeons.METHODS Ninety-two consecutive patients with gastric cancer who underwent TLDG plus Billroth I reconstruction using an augmented rectangle technique and involving trainees were reviewed.The trainees were taught a laparoscopic view of surgical anatomy,standard operative procedures and practiced essential laparoscopic skills.The TLDG procedure was divided into regional lymph node dissections and gastrointestinal reconstruction for analyzing trainee skills.Early surgical outcomes were compared between trainees and trainers to clarify the feasibility and safety of TLDG performed by trainees.Learning curves were used to assess the utility of our training system.RESULTS Five trainees performed a total of 52 TLDGs(56.5%),while 40 TLDGs were conducted by two trainers(43.5%).Except for depth of invasion and pathologic stage,there were no differences in clinicopathological characteristics.Trainers performed more D2 gastrectomies than trainees.The total operation time was significantly longer in the trainee group.The time spent during the lesser curvature lymph node dissection and the Billroth I reconstruction were similar between the two groups.No difference was found in postoperative complications between the two groups.The learning curve of the trainees plateaued after five TLDG cases.CONCLUSION Preparing trainees with a laparoscopic view of surgical anatomy,standard operative procedures and practice in essential laparoscopic skills enabled trainees to perform TLDG safely and feasibly. | Shun Zhang Hajime Orita Hiroyuki Egawa Ryota Matsui Suguru Yamauchi Yukinori Yube Sanae Kaji Toru Takahashi Shinichi Oka Noriyuki Inaki Tetsu Fukunaga | 2020 | World Journal of Gastroenterology2020，26，13： | 0 |
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