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Self expanding Metal Stent

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https://www.readbyqxmd.com/read/29222735/delayed-perforation-after-endoscopic-submucosal-dissection-treated-successfully-by-temporary-stent-placement
#1
Masami Omae, Magnus Konradsson, Francisco Baldaque-Silva
A 71-year-old male patient with a long-segment (C10M12) Barrett's esophagus harboring multifocal high-grade dysplasia was referred to our clinic. After a multidisciplinary team conference and the patient's informed consent, an endoscopic submucosal dissection (ESD) was performed with resection of 4/5 of the esophageal circumference along 12 cm, without any complications during or immediately after the procedure. In the day after the ESD, the patient presented suddenly with dyspnea and subcutaneous emphysema in the neck and chest...
December 8, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29222602/endoscopic-ultrasound-guided-biliary-drainage-using-a-newly-designed-metal-stent-with-a-thin-delivery-system-a-preclinical-study-in-phantom-and-porcine-models
#2
Kosuke Minaga, Masayuki Kitano, Masahiro Itonaga, Hajime Imai, Takeshi Miyata, Kentaro Yamao, Takashi Tamura, Junya Nuta, Kenji Warigaya, Masatoshi Kudo
PURPOSE: This study was designed to evaluate the feasibility and safety of a newly designed self-expandable metal stent for endoscopic ultrasound-guided biliary drainage (EUS-BD) when it was delivered via three different stent delivery systems: a 7.5Fr delivery catheter with a bullet-shaped tip (7.5Fr-bullet), a 7Fr catheter with a bullet-shaped tip (7Fr-bullet), or a 7Fr catheter with a tee-shaped tip (7Fr-tee). METHODS: This experimental study utilized a porcine model of biliary dilatation involving ten pigs...
December 8, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/29218673/results-of-endoscopic-vacuum-assisted-closure-device-for-treatment-of-upper-gi-leaks
#3
Marc Bludau, Hans F Fuchs, Till Herbold, Martin K H Maus, Hakan Alakus, Felix Popp, Jessica M Leers, Christiane J Bruns, Arnulf H Hölscher, Wolfgang Schröder, Seung-Hun Chon
BACKGROUND: Esophageal perforations and postoperative leakage of esophagogastrostomies are considered to be life-threatening conditions due to the potential development of mediastinitis and consecutive sepsis. Vacuum-assisted closure (VAC) techniques, a well-established treatment method for superficial infected wounds, are based on a negative pressure applied to the wound via a vacuum-sealed sponge. Endoluminal VAC (E-VAC) therapy as a treatment for GI leakages in the rectum was introduced in 2008...
December 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29218484/a-prospective-multicenter-study-of-a-fully-covered-metal-stent-in-patients-with-distal-malignant-biliary-obstruction-watch-2-study
#4
Hirofumi Kogure, Shomei Ryozawa, Iruru Maetani, Yousuke Nakai, Hiroshi Kawakami, Ichiro Yasuda, Hitoshi Mochizuki, Hirotoshi Iwano, Hiroyuki Maguchi, Mitsuhiro Kida, Kensuke Kubota, Tsuyoshi Mukai, Osamu Hasebe, Yoshinori Igarashi, Keiji Hanada, Atsushi Irisawa, Kei Ito, Takao Itoi, Hiroyuki Isayama
BACKGROUND: Both fully covered (FC) and partially covered (PC) self-expandable metal stents (SEMSs) are now commercially available for distal malignant biliary obstruction (MBO). While FCSEMS can be easily removed at the time of re-interventions, it is theoretically prone to migration. However, few comparative data between FC and PC SEMSs have been reported. AIMS: The aim of this study was to compare clinical outcomes of FCSEMS with those of PCSEMS. METHODS: This was a multicenter, prospective study of FCSEMS for unresectable distal MBO with a historical control of PCSEMS, which was previously reported as the WATCH study...
December 7, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29215476/clinical-outcomes-of-self-expandable-metal-stents-for-malignant-rectal-obstruction
#5
Hyun Jung Lee, Sung Pil Hong, Jae Hee Cheon, Tae Il Kim, Won Ho Kim, Soo Jung Park
BACKGROUND: Self-expandable metal stents are widely used to treat malignant colorectal obstruction. However, data on clinical outcomes of stent placement for rectal obstruction specifically are lacking. OBJECTIVE: We aimed to investigate the clinical outcomes of self-expandable metal stents in malignant rectal obstruction in comparison with those in left colonic obstruction and to identify factors associated with clinical failure and complication. DESIGN: This was a retrospective study...
January 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29212105/-german-society-of-gastroenterology-digestive-and-metabolic-diseases-dgvs-position-statement-on-endoscopic-decompression-in-acute-ileus
#6
Martin Götz, Georg Braun, Ralf Jakobs, Helmut Messmann, Eduard F Stange, Markus M Lerch
In patients with ileus with dilated intestine in imaging studies, endoscopic decompression appears a feasible option. However, its use is often uncritical and without scientific evidence. Before considering endoscopic intervention, CT-imaging should differentiate between mechanical obstruction and paralytic ileus/intestinal pseudo-obstruction. Tumor diagnosis and localisation are essential because the latter determines the choice of the decompression procedure. Coecal dilatation of more than 12 cm indicates an increased risk of perforation...
December 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/29202005/side-by-side-partially-covered-self-expandable-metal-stent-placement-for-malignant-hilar-biliary-obstruction
#7
Katsuya Kitamura, Akira Yamamiya, Yu Ishii, Yuta Mitsui, Tomohiro Nomoto, Hitoshi Yoshida
Background and study aims:  This study investigated the feasibility of side-by-side (SBS) partially covered self-expandable metal stent (PCSEMS) placement for unresectable malignant hilar biliary obstruction (MHBO). Patients and methods:  We retrospectively analyzed 33 patients from a single center who underwent endoscopic biliary drainage for unresectable MHBO from July 2013 to June 2015. In all patients with bilateral obstruction during complete bilateral intrahepatic cholangiograms, we performed endoscopic SBS placement of a 6-mm diameter PCSEMS using an 8-French delivery system...
December 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29197194/the-role-of-self-expandable-metallic-stents-as-bridge-to-surgery-for-the-treatment-of-acute-malignant-colorectal-obstruction-our-experience
#8
Gianpasquale Gallo, Giuseppe Sammarco, Alessandro Paolo Chiriatti, Ferdinando Calabria, Rosario Sacco
INTRODUCTION: Despite the widespread use of screening programs, the colorectal cancer occurs in 7-29% of cases with a bowel obstruction, needing an immediate decompression treatment by emergency surgery; unfortunately, the emergency surgery is characterized by high morbidity and mortality rates. The endoscopic placement of self-expandable metallic stents can be a useful alternative, allowing to decompress the acute obstruction in a short time, in order to correct dehydration, electrolytic imbalance and to improve the overall clinical conditions prior to adequately plan the intervention of elective surgery...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29192137/application-of-fully-covered-self-expandable-metallic-stents-with-and-without-antimigration-waist-versus-repeated-plastic-biliary-stent-placement-in-management-of-anastomotic-biliary-strictures-after-orthotopic-liver-transplantation
#9
Samir Zeair, Filip Butkiewicz, Jacek Butkiewicz, Robert Stasiuk
BACKGROUND Standard methods for endoscopic retrograde cholangiopancreatography (ERCP) management of anastomotic strictures (AS) after OLT includes repeated balloon dilation of the stricture with subsequent insertion of a plastic biliary stent (PBS). In post-OLT patients not responding to standard endoscopic treatment, the placement of fully covered self-expanding metal stents (FCSEMS) is a valid alternative to surgical treatment. The aim of this study was to compare the results of new FCSEMS implantation with the standard ERCP stricture management protocol and with conventional FCSEMS insertion...
December 1, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29186638/stent-over-sponge-sos-a-novel-technique-complementing-endosponge-therapy-for-foregut-leaks-and-perforations
#10
Piero V Valli, Joachim C Mertens, Arne Kröger, Christoph Gubler, Christian Gutschow, Paul M Schneider, Peter Bauerfeind
Background and study aims Endoluminal vacuum therapy (EVT) has evolved as a promising option for endoscopic treatment of foregut wall injuries in addition to the classic closure techniques using clips or stents. To improve vacuum force and maintain esophageal passage, we combined endosponge treatment with a partially covered self-expandable metal stent (stent-over-sponge; SOS). Patients and methods Twelve patients with infected upper gastrointestinal wall defects were treated with the SOS technique. Results Indications for SOS were anastomotic leakage after surgery (n = 11) and chronic foregut fistula (n = 1)...
October 27, 2017: Endoscopy
https://www.readbyqxmd.com/read/29181859/tumor-invasion-to-the-arteries-feeding-the-gallbladder-as-a-novel-risk-factor-for-cholecystitis-after-metallic-stent-placement-in-distal-malignant-biliary-obstruction
#11
Yuko Sogabe, Yuzo Kodama, Hajime Honjo, Ikuo Aoyama, Yuya Muramoto, Eri Koga, Takafumi Yanaidani, Munenori Kawai, Teppei Yoshikawa, Shimpei Matsumoto, Astushi Matsumoto, Yoshiharu Mori, Chikage Ono, Miyu Nishida, Yoshihiro Nishida, Takao Mikami, Yasuhiro Matsunaga, Yukiko Miyamoto, Motoya Kitami, Koji Nishikawa, Masahiko Kondo, Naoki Miyake, Chiharu Kawanami, Hiroshi Seno
OBJECTIVES: Cholecystitis is a major complication after self-expandable metallic stent (SEMS) placement for malignant biliary obstruction. Ischemia is one of the risks for cholecystitis, but little is known about the influence of tumor invasion to the feeding artery of the gallbladder on the onset of cholecystitis after SEMS placement. The aim of this study was to identify risk factors for cholecystitis after SEMS placement. METHODS: The incidence and nine predictive factors of cholecystitis were retrospectively evaluated in 107 patients who underwent SEMS placement for unresectable distal malignant biliary obstruction at Kyoto University Hospital and Otsu Red Cross hospital between January 2012 and June 2016...
November 27, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29181746/severe-dehiscence-of-gastrojejunal-anastomosis-after-gastric-bypass-its-cure-by-using-partially-covered-stent-and-avoiding-migration
#12
Helga C A W Alhinho, Flávio C Ferreira, Rodrigo C L Medeiros, Álvaro A B Ferraz, Josemberg M Campos
BACKGROUND: Gastric leak is a severe complication of gastric bypass that is associated with significant morbidity and mortality. Anastomosis dehiscence usually occurs at gastrojejunal anastomosis and can appear simultaneously with gastric leak, for which treatment can be a challenge. Fistula may have several clinical impacts, depending on patient-related factors, fistula characteristics, onset time, and therapy proposal. Abdominal toilet, drainage, gastrostomy, and revisional surgery constitute the traditional approaches to dehiscence and fistula closure, with variable results...
November 27, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29164050/colorectal-stenting-for-obstruction-due-to-retrorectal-tumor-in-a-patient-unsuitable-for-surgery
#13
Veysel Ersan, Ramazan Kutlu, Ceyhun Erdem, Servet Karagul, Cuneyt Kayaalp
Fund of knowledge on palliative treatment of unresectable retrorectal tumors is scare. Here, we reported a non-surgical treatment of a huge retrorectal malignant tumor in an aged and debilitated patient complicated with colorectal obstruction. An 86-year-old male with severe comorbidities was admitted with acute colorectal obstruction owing to an untreated retrorectal malign epithelial tumor. There was a lobulated retrorectal mass, 20 cm × 15 cm at largest size, extending to the superior iliac bifurcation level, caused an obstruction of the rectal lumen...
September 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/29162972/clinical-outcomes-of-upper-gastrointestinal-stents-and-review-of-current-literature
#14
Hasan Bektaş, Bünyamin Gürbulak, Yiğit Düzköylü, Şükrü Çolak, Esin Kabul Gürbulak, Ekrem Çakar, Savaş Bayrak
Background and Objectives: The self-expandable metal stent (SEMS) is an alternative for several possible surgical and palliative treatments of upper gastrointestinal obstructions that occur in several disease states. The present study was performed to describe a single-center experience with upper gastrointestinal stents. Methods: All patients at a single center who had an SEMS placed for the treatment of obstruction over a 3-year period were retrospectively evaluated...
October 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/29160938/-knitting-through-the-mesh-novel-single-channel-troubleshooter-technique-for-dilation-assisted-transstricture-retrieval-of-a-migrated-gastroduodenal-stent
#15
Vincent Zimmer
Gastroduodenal stenting using self-expandable metallic stents (SEMSs) represents a viable endoscopic option for palliative treatment of gastric outlet obstruction (GOO), less invasive relative to surgical and/or endoscopic ultrasound-guided gastroenterostomy (EUS-GE). Nevertheless, high rates of stent dysfunction remain a significant Achilles' heel of the procedure. Endoscopic removal of a distally migrated gastroduodenal stent remains challenging with single-channel techniques, calling for individually tailored solutions vis-à-vis the inevitable upstream stricture...
November 21, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29147877/efficacy-and-safety-of-fully-covered-self-expanding-metal-stents-for-malignant-esophageal-obstruction
#16
Hoonsub So, Ji Yong Ahn, Seungbong Han, Kyoungwon Jung, Hee Kyong Na, Jeong Hoon Lee, Kee Wook Jeong, Do Hoon Kim, Kee Don Choi, Ho June Song, Gin Hyug Lee, Hwoon-Yong Jung
BACKGROUND: Malignant dysphagia can result in poor nutritional status with severe weight loss. Rapid relief from dysphagia can be achieved with esophageal self-expanding metal stents (SEMSs), a minimally invasive method. In this study, we evaluated the usefulness of SEMSs for malignant dysphagia. METHODS: Between 2012 and 2015, 119 patients with malignant dysphagia underwent esophageal SEMS insertion with endoscopic assistance. Their demographics and clinical outcomes were collected...
November 17, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29126333/preliminary-use-of-a-double-flanged-fully-covered-self-expandable-metal-stent-with-cautery-in-endoscopic-ultrasound-guided-gastroenterostomy
#17
Bowen Duan, Jintao Guo, Nan Ge, Xiang Liu, Sheng Wang, Guoxin Wang, Siyu Sun
No abstract text is available yet for this article.
November 10, 2017: Endoscopy
https://www.readbyqxmd.com/read/29116365/acute-biliary-obstruction-after-gastroduodenal-covered-self-expanding-metallic-stent-placement-in-patients-with-previous-biliary-stent-placement-for-periampullary-cancer-frequency-and-protective-factors
#18
Kun Yung Kim, Jiaywei Tsauo, Pyeong Hwa Kim, Jung-Hoon Park, Zhe Wang, Min Tae Kim, Ho-Young Song
PURPOSE: We aimed to evaluate the frequency and protective factors of acute biliary obstruction in patients with biliary stent placement followed by gastroduodenal covered self-expandable metallic stent (SEMS) placement owing to progression of periampullary cancer. MATERIALS AND METHODS: We retrospectively reviewed 58 patients. Total bilirubin and alkaline phosphatase (ALP) levels before and after gastroduodenal covered SEMS placement were evaluated. The incidence of acute biliary obstruction correlated to age, sex, biliary stent length and type, and longitudinal and axial locations of the lower end of the biliary stent was evaluated...
November 7, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29106289/insertion-of-fully-covered-self-expanding-metal-stents-in-benign-biliary-diseases
#19
Mariana Omodeo, Ignacio Malaga, Dante Manazzoni, Cecilia Curvale, Julio de Maria, Martín Alejandro Guidi, Raúl Matano
INTRODUCTION: Benign biliary diseases are traditionally treated using plastic stents. However, fully covered self-expanding metal stents are currently gaining acceptance for the treatment of these pathologies. OBJECTIVE: To assess the effectiveness and complications associated with the placement of temporary endoscopic fully covered self-expanding metal stents for the treatment of benign biliary diseases. MATERIALS AND METHODS: This was a retrospective and observational study using a prospective database from a tertiary care center from March 2012 to May 2016...
November 6, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29101565/comparison-of-clinical-efficacies-and-safeties-of-lumen-apposing-metal-stent-and-conventional-type-metal-stent-assisted-eus-guided-pancreatic-wall-off-necrosis-drainage-a-real-life-experience-in-a-tertiary-hospital
#20
Siu Tong Law, Carlos De La SernaHiguera, Paula Gil Simón, Manuel Pérez-MirandaCastillo
BACKGROUND: Endoscopic ultrasound (EUS)-guided drainage of pancreatic wall-off necrosis (WON) with transmural stent is regarded as firstline therapy. We aimed at comparing its efficacy and safety with using fully covered self-expandable metal stent (FCSEMS) and lumen-apposing metal stent (LAMS). METHODS: A retrospective review was performed on all consecutive patients with pancreatic WONs who underwent EUS-guided drainage by either FCSEMS or LAMS. RESULTS: From 2011 to 2016, 68 patients (66...
November 3, 2017: Surgical Endoscopy
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