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Treatment of malignant gastric outlet obstruction with endoscopically placed self-expandable metal stents 被引量:12
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作者 Jill KJ Gaidos Peter V Draganov 《World Journal of Gastroenterology》 SCIE CAS CSCD 2009年第35期4365-4371,共7页
Malignant gastroduodenal obstruction can occur in up to 20%of patients with primary pancreatic,gastric or duodenal carcinomas.Presenting symptoms include nausea,vomiting,abdominal distention,pain and decreased oral in... Malignant gastroduodenal obstruction can occur in up to 20%of patients with primary pancreatic,gastric or duodenal carcinomas.Presenting symptoms include nausea,vomiting,abdominal distention,pain and decreased oral intake which can lead to dehydration, malnutrition,and poor quality of life.Endoscopic stent placement has become the primary therapeutic modality because it is safe,minimally invasive,and a cost-effective option for palliation.Stents can be successfully deployed in the majority of patients. Stent placement appears to lead to a shorter time to symptomatic improvement,shorter time to resumption of an oral diet,and shorter hospital stays as compared with surgical options.Recurrence of the obstructive symptoms resulting from stent occlusion,due to tumor ingrowth or overgrowth,can be successfully treated with repeat endoscopic stent placement in the majority of the cases.Both endoscopic stenting and surgical bypass are considered palliative treatments and,to date,no improvement in survival with either modality has been demonstrated.A tailored therapeutic approach,taking into consideration patient preferences and involving a multidisciplinary team including the therapeutic endoscopist,surgeon,medical oncologist, radiation therapist,and interventional radiologist, should be considered in all cases. 展开更多
关键词 Malignant gastric outlet obstruction endoscopic self-expandable metal stent Palliativetreatment ENDOSCOPY
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Predictive factors for the failure of endoscopic stent-instent self-expandable metallic stent placement to treat malignant hilar biliary obstruction 被引量:3
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作者 Mitsuru Sugimoto Tadayuki Takagi +10 位作者 Rei Suzuki Naoki Konno Hiroyuki Asama Ko Watanabe Jun Nakamura Hitomi Kikuchi Yuichi Waragai Mika Takasumi Yuki Sato Takuto Hikichi Hiromasa Ohira 《World Journal of Gastroenterology》 SCIE CAS 2017年第34期6273-6280,共8页
AIM To investigate the factors predictive of failure when placing a second biliary self-expandable metallic stents(SEMSs). METHODS This study evaluated 65 patients with an unresectable malignant hilar biliary obstruct... AIM To investigate the factors predictive of failure when placing a second biliary self-expandable metallic stents(SEMSs). METHODS This study evaluated 65 patients with an unresectable malignant hilar biliary obstruction who were examined in our hospital. Sixty-two of these patients were recruited to the study and divided into two groups: the success group, which consisted of patients in whom a stent-in-stent SEMS had been placed successfully, and the failure group, which consisted of patients in whom the stent-in-stent SEMS had not been placed successfully. We compared the characteristics of the patients, the stricture state of their biliary ducts, and the implemented endoscopic retrograde cholangiopancreatography(ERCP) procedures between the two groups.RESULTS The angle between the target biliary duct stricture and the first implanted SEMS was significantly larger in the failure group than in the success group. There were significantly fewer wire or dilation devices(ERCP catheter, dilator, or balloon catheter) passing the first SEMS cell in the failure group than in the success group. The cut-off value of the angle predicting stent-in-stent SEMS placement failure was 49.7 degrees according to the ROC curve(sensitivity 91.7%, specificity 61.2%). Furthermore, the angle was significantly smaller in patients with wire or dilation devices passing the first SEMS cell than in patients without wire or dilation devices passing the first SEMS cell. CONCLUSION A large angle was identified as a predictive factor for failure of stent-in-stent SEMS placement. 展开更多
关键词 endoscopic stent-in-stent self-expandable metallic stent placement Predictive factor endoscopic retrograde cholangiopancreatography Malignant hilar biliary obstruction Self-expandable metallic stent
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Clinical management for malignant afferent loop obstruction
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作者 Arata Sakai Hideyuki Shiomi +3 位作者 Atsuhiro Masuda Takashi Kobayashi Yasutaka Yamada Yuzo Kodama 《World Journal of Gastrointestinal Oncology》 SCIE 2021年第7期684-692,共9页
Afferent loop obstruction(ALO)is defined as duodenal or jejunal mechanical obstruction at the proximal anastomosis site of a gastrojejunostomy.With advances in chemotherapy,the incidence of malignant ALO is increasing... Afferent loop obstruction(ALO)is defined as duodenal or jejunal mechanical obstruction at the proximal anastomosis site of a gastrojejunostomy.With advances in chemotherapy,the incidence of malignant ALO is increasing.Malignant ALO can be complicated by ischemia,gangrenous bowel,pancreatitis,and ascending cholangitis.Moreover,the general condition of patients with recurrent cancer is often poor.Therefore,accurate and rapid diagnosis and minimally invasive treatments are required.However,no review articles on the diagnosis and treatment of malignant ALO have been published.Through literature searching,we reviewed related articles published between 1959 and 2020 in the PubMed database.Herein,we present recent advances in the diagnosis and treatment of malignant ALO and describe future perspectives.Endoscopic transluminal self-expandable metal stent(SEMS)placement is considered the standard treatment for malignant ALO,as this procedure is well established and less invasive.However,with the development of interventional endoscopic ultrasound(EUS)in recent years,the usefulness of EUS-guided gastrojejunostomy has been reported.Moreover,through indirect comparison,this approach has been reported to be superior to transluminal SEMS placement.It is expected that a safer and less invasive treatment method will be established through the continued advancement and innovation of interventional endoscopy techniques. 展开更多
关键词 Malignant afferent loop obstruction endoscopic self-expandable metal stent placement endoscopic ultrasound guided gastrojejunostomy Lumen-apposing metal stent
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