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https://www.readbyqxmd.com/read/28226579/a-deep-convolutional-neural-network-for-bleeding-detection-in-wireless-capsule-endoscopy-images
#1
Xiao Jia, Max Q-H Meng, Xiao Jia, Max Q-H Meng, Xiao Jia, Max Q-H Meng
Wireless Capsule Endoscopy (WCE) is a standard non-invasive modality for small bowel examination. Recently, the development of computer-aided diagnosis (CAD) systems for gastrointestinal (GI) bleeding detection in WCE image videos has become an active research area with the goal of relieving the workload of physicians. Existing methods based primarily on handcrafted features usually give insufficient accuracy for bleeding detection, due to their limited capability of feature representation. In this paper, we present a new automatic bleeding detection strategy based on a deep convolutional neural network and evaluate our method on an expanded dataset of 10,000 WCE images...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28217373/update-on-clinical-and-research-application-of-fecal-biomarkers-for-gastrointestinal-diseases
#2
REVIEW
Imran Siddiqui, Hafsa Majid, Shahab Abid
Gastrointestinal (GI) diseases comprise a large spectrum of clinical conditions ranging from indigestion to inflammatory bowel diseases (IBDs) and carcinomas. Endoscopy is the usual method employed to diagnose these condition. Another noninvasive way to assess and diagnose GI conditions are fecal biomarkers. Fecal biomarkers provide information regarding a specific disease process and are perhaps more acceptable to clinicians and patients alike because of their non-invasivity compared to endoscopy. Aim of this review was to evaluate the current status of the fecal biomarkers in clinical and research for in GI diseases...
February 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28194526/long-term-outcomes-after-treatment-for-t1-colorectal-carcinoma-a-multicenter-retrospective-cohort-study-of-hiroshima-gi-endoscopy-research-group
#3
Yuzuru Tamaru, Shiro Oka, Shinji Tanaka, Shinji Nagata, Yuko Hiraga, Toshio Kuwai, Akira Furudoi, Tadamasa Tamura, Masaki Kunihiro, Hideharu Okanobu, Koichi Nakadoi, Hiroyuki Kanao, Makoto Higashiyama, Koji Arihiro, Kazuya Kuraoka, Fumio Shimamoto, Kazuaki Chayama
BACKGROUND: We aimed to clarify the long-term outcomes of patients with T1 colorectal carcinoma (CRC) after endoscopic resection (ER) and surgical resection. METHODS: We examined T1 CRC patients treated during 1992-2008 and who had ≥5 years of follow-up. Patients who did not meet the curative criteria after ER according to the Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines were defined as "non-endoscopically curable" and classified into three groups: ER alone (Group A: 121 patients), additional surgery after ER (Group B: 238 patients), and surgical resection alone (Group C: 342 patients)...
February 13, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28179979/flexible-gastro-intestinal-endoscopy-clinical-challenges-and-technical-achievements
#4
REVIEW
Niehls Kurniawan, Martin Keuchel
Flexible gastro-intestinal (GI) endoscopy is an integral diagnostic and therapeutic tool in clinical gastroenterology. High quality standards for safety, patients' comfort, and efficiency have already been achieved. Clinical challenges and technical approaches are discussed in this short review. Image enhanced endoscopy for further characterization of mucosal and vascular patterns includes dye-spray or virtual chromoendoscopy. For confocal laser endoscopy, endocytoscopy, and autofluorescence clinical value has not yet been finally evaluated...
2017: Computational and Structural Biotechnology Journal
https://www.readbyqxmd.com/read/28161705/endoscopic-characteristics-risk-grade-and-prognostic-prediction-in-gastrointestinal-stromal-tumors-of-the-small-bowel
#5
Arihiro Nakano, Masanao Nakamura, Osamu Watanabe, Takeshi Yamamura, Kohei Funasaka, Eizaburo Ohno, Hiroki Kawashima, Ryoji Miyahara, Hidemi Goto, Yoshiki Hirooka
BACKGROUND/AIMS: Balloon-assisted endoscopy allows us to diagnose gastrointestinal (GI) stromal tumors (GISTs) in the small bowel including endoscopic ultrasonography and taking biopsy. The aim of this study was to retrospectively clarify clinical and endoscopic characteristics of small bowel GISTs using double-balloon endoscopy (DBE). METHODS: We reviewed 25 patients who underwent DBE and were diagnosed with GISTs. The risk of GISTs was stratified using the National Institute of Health (NIH) consensus criteria...
February 4, 2017: Digestion
https://www.readbyqxmd.com/read/28161450/standard-needle-versus-needleless-injection-modality-animal-study-on-different-fluids-for-submucosal-elevation
#6
Alessandro Repici, Roberta Maselli, Silvia Carrara, Andrea Anderloni, Markus Enderle, Cesare Hassan
BACKGROUND AND AIMS: Submucosal injection is currently used in GI endoscopy to reduce resection risks and to perform submucosal dissection; it is usually performed via an injection needle or via a needleless device. The aim of the study was to compare 2 submucosal injection modalities (needle-assisted vs needleless) by using substances with different viscosities METHODS: Needle and needleless injections were compared by assessing the efficacy of tissue elevation with 5 different substances in an ex vivo porcine model...
February 1, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28148540/acute-lower-gi-bleeding-in-the-uk-patient-characteristics-interventions-and-outcomes-in-the-first-nationwide-audit
#7
Kathryn Oakland, Richard Guy, Raman Uberoi, Rachel Hogg, Neil Mortensen, Michael F Murphy, Vipul Jairath
OBJECTIVE: Lower GI bleeding (LGIB) is a common reason for emergency hospital admission, although there is paucity of data on presentations, interventions and outcomes. In this nationwide UK audit, we describe patient characteristics, interventions including endoscopy, radiology and surgery as well as clinical outcomes. DESIGN: Multicentre audit of adults presenting with LGIB to UK hospitals over 2 months in 2015. Consecutive cases were prospectively enrolled by clinical teams and followed for 28 days...
February 1, 2017: Gut
https://www.readbyqxmd.com/read/28127939/stapling-an-extracorporeal-billroth-i-anastomosis-by-the-complete-double-stapling-technique-after-laparoscopy-assisted-distal-gastrectomy
#8
Chie Tanaka, Michitaka Fujiwara, Mitsuro Kanda, Kenta Murotani, Naoki Iwata, Masamichi Hayashi, Daisuke Kobayashi, Suguru Yamada, Goro Nakayama, Hiroyuki Sugimoto, Masahiko Koike, Tsutomu Fujii, Yasuhiro Kodera
INTRODUCTION: Laparoscopy-assisted distal gastrectomy is one of the major treatments for early stage gastric cancer, particularly in the East Asia. In this method, extracorporeal anastomosis is performed via a small laparotomy wound, but excessive tissue traction may be encountered during the anastomotic procedure. Therefore, we developed an original procedure for extracorporeal Billroth-I reconstruction: end-to-end stapling gastroduodenostomy with complete double stapling technique. This procedure aims to reduce the problems related to maneuvers through a small laparotomy...
January 27, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28114688/lumen-apposing-covered-self-expandable-metal-stents-for-short-benign-gastrointestinal-strictures-a-multicenter-study
#9
Dennis Yang, Jose M Nieto, Ali Siddiqui, Brian P Riff, Christopher J DiMaio, Satish Nagula, Amr M Ismail, Saowanee Ngamreungphong, Mouen A Khashab, Mihir S Wagh, Demetrios Tzimas, Jonathan M Buscaglia, Daniel S Strand, Andrew Y Wang, Shailendra S Chauhan, Christopher E Forsmark, Peter V Draganov
Background and study aim Use of the fully covered self-expandable metal stent (SEMS) for benign luminal gastrointestinal (GI) stricture (BLGS) has been limited by the migration rate. The role of the lumen-apposing metal stent (LAMS) for BLGS is not well defined. We assessed the safety, feasibility, and efficacy of LAMS for the treatment of BLGS.  Patients and methods This was an observational, open-label, retrospective, single-arm, multicenter consecutive case series of patients undergoing LAMS placement for BLGS...
January 23, 2017: Endoscopy
https://www.readbyqxmd.com/read/28095614/over-the-scope-clip-closure-for-treatment-of-post-pancreaticogastrostomy-occurring-pancreatic-fistula-a-case-series
#10
Santi Mangiafico, Angelo Caruso, Raffaele Manta, Giuseppe Grande, Helga Bertani, Vincenzo Mirante, Flavia Pigò, Luigi Magnano, Mauro Manno, Rita Conigliaro
BACKGROUND AND AIM: The over-the-scope clip (OTSC) system is a recently developed endoscopic device. In the last few years it has been successfully used for severe bleeding or deep wall lesions, or perforations of the GI tract. We hereby report a series of patients with post pancreaticogastrostomy occuring pancreatic fistula in whom OTSCs were used as endoscopic treatment. METHODS: We prospectively collected data from January 2012 to July 2015 about cases of postoperative pancreatic fistula...
January 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28091770/relevance-of-surgery-in-patients-with-non-variceal-upper-gastrointestinal-bleeding
#11
S Dango, T Beißbarth, E Weiss, A Seif Amir Hosseini, D Raddatz, V Ellenrieder, J Lotz, B M Ghadimi, A Beham
INTRODUCTION: Upper GI bleeding remains one of the most common emergencies with a substantial overall mortality rate of up to 30%. In severe ill patients, death does not occur due to failure of hemostasis, either medical or surgical, but mainly from comorbidities, treatment complications, and decreased tolerated blood loss. Management strategies have changed dramatically over the last two decades and include primarily endoscopic intervention in combination with acid-suppressive therapy and decrease in surgical intervention...
January 14, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28089365/gastric-bleeding-risk-following-spleen-preserving-distal-pancreatectomy-with-excision-of-the-splenic-vessels-a%C3%A2-long-term-follow-up
#12
D Louis, A Alassiri, S Kirzin, S Blaye-Felice, M Chalret du Rieu, C H Julio, E Bloom, L Ghouti, B Pradère, G Portier, N Carrère
BACKGROUND: Spleen-preserving distal pancreatectomy with resection of the splenic vessels (VR-SPDP) is an effective procedure. However, hemodynamic changes in splenogastric circulation may lead to the development of gastric varices (GV) with a risk of gastrointestinal (GI) bleeding. This retrospective study aimed to assess the long-term postoperative clinical follow-up of patients and review the late postoperative abdominal computed tomography (CT) or endoscopic examination. METHODS: From 1988 to 2015, 48 consecutive VR-SPDP for benign or low-grade malignant disease were included...
January 12, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28089030/negative-result-of-capsule-endoscopy-in-obscure-gi-bleeding-searching-in-the-dark-despite-bright-lights
#13
EDITORIAL
Puneet Chhabra, Deepak K Bhasin
No abstract text is available yet for this article.
February 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28089029/guidelines-for-privileging-credentialing-and-proctoring-to-perform-gi-endoscopy
#14
Ashley L Faulx, Jenifer R Lightdale, Ruben D Acosta, Deepak Agrawal, David H Bruining, Vinay Chandrasekhara, Mohamad A Eloubeidi, Robert D Fanelli, Suryakanth R Gurudu, Loralee Kelsey, Mouen A Khashab, Shivangi Kothari, V Raman Muthusamy, Bashar J Qumseya, Aasma Shaukat, Amy Wang, Sachin B Wani, Julie Yang, John M DeWitt
No abstract text is available yet for this article.
February 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28072748/giant-polypoid-gastric-heterotopia-in-the-small-intestine-in-a-boy-a-case-report-and-literature-review
#15
Jing Cai, Haibo Yu
RATIONALE: Heterotopic gastric mucosa has been described at various locations of the body; however, the polyp composed of heterotopic gastric mucosa in the small intestine is rare. PATIENT CONCERNS: A 15-year-old boy visited us for investigation of recurrent episodes of melena. Capsule endoscopy (CE) revealed a polypoid tumor in the ileum, with an active nearby hemorrhage. Contrast-enhanced computed tomography (CECT) showed a tumor in the right quadrant of the abdomen, with a diameter of about 18 × 14 mm...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28056333/-recommendation-for-the-prevention-and-treatment-of-non-steroidal-anti-inflammatory-drug-induced-gastrointestinal-ulcers-and-its-complications
#16
(no author information available yet)
Non-steroidal anti-inflammatory drugs (NSAIDs) are a broad class of non glucocorticoid drugs which are extensively used in anti-inflammatory, analgesic, and antipyretic therapies. However, NSAIDs may cause many side effects, most commonly in gastrointestinal(GI) tract. Cardiovascular system, kidney, liver, central nervous system and hematopoietic system are also involved. NSAID-induced GI side effects not only endanger the patients' health, increase mortality, but also greatly increase the cost of medical care...
January 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28019112/-indications-diagnoses-and-quality-markers-in-upper-and-lower-endoscopies-in-2010-and-2011-at-the-1st-department-of-medicine-semmelweis-university-budapest
#17
Lóránt Gönczi, Zsuzsanna Kürti, Petra Golovics, Zsuzsanna Végh, Barbara Lovász, Andrea Dorkó, Anna Seres, Liza Sümegi, Orsolya Menyhárt, Lajos Kiss, János Papp, Krisztina Gecse, Péter László Lakatos
INTRODUCTION AND AIM: The aim was to assess the incidence of endoscopic findings based on the indication of the procedures in upper/lower endoscopies, and measuring quality indicators of colonoscopies at the 1st Department of Medicine, Semmelweis University, Budapest. METHOD: Data of 2987 patients (male/female:1361/1626, mean age: 60.7 years(y), SD: 16.7y) between 01.01.2010 and 31.12.2011 were analyzed. Both inpatient and outpatient records were collected. RESULTS: Incidence of peptic ulcer disease, esophageal varices, gastric polyps and gastric cancer were 10...
December 2016: Orvosi Hetilap
https://www.readbyqxmd.com/read/28009607/vascular-injury-characterizes-doxycycline-induced-upper-gastrointestinal-tract-mucosal-injury
#18
Angela R Shih, Gregory Y Lauwers, Anthony Mattia, Esperance A K Schaefer, Joseph Misdraji
Doxycycline is an oral tetracycline antibiotic that has been associated with upper gastrointestinal (GI) mucosal injury. Recently, characteristic vascular degeneration has been reported in the stomach and duodenum in patients with doxycycline-induced injury. Fourteen patients who underwent upper GI endoscopy for nonspecific symptoms and were found to have doxycycline-induced gastric and esophageal injury are described. Most patients showed characteristic vascular injury. A control group of gastric erosions and esophageal ulcers showed no cases with the characteristic vascular changes...
March 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28008163/risk-factors-for-the-presence-of-symptoms-in-peptic-ulcer-disease
#19
Sang Pyo Lee, In-Kyung Sung, Jeong Hwan Kim, Sun-Young Lee, Hyung Seok Park, Chan Sup Shim
Background/Aims: Peptic ulcer disease (PUD) is a common condition, but is difficult to detect in asymptomatic individuals. We aimed to investigate the prevalence of symptomatic and asymptomatic PUD during screening endoscopy and to identify risk factors for the presence of symptoms in patients with PUD. Methods: We investigated subjects who underwent a health inspection, including endoscopy of the upper gastrointestinal (GI) tract and a serum anti-Helicobacter pylori IgG assay, and who completed a self-report questionnaire about their symptoms...
December 23, 2016: Clinical Endoscopy
https://www.readbyqxmd.com/read/27997724/anti-neutrophil-cytoplasmic-antibody-associated-vasculitis-resembling-esophageal-cancer
#20
Takanori Kurogochi, Shinji Mine, Hiroshi Kawachi
Systemic vasculitis can present with a variety of symptoms and signs(1, 2) . Some cases may be confused with cancer(3) . We herein describe the case of esophagitis caused by vasculitis. A 79-year-old male with mild dysphagia who was suspected with esophageal cancer at a previous hospital was referred to our facility. Upper GI endoscopy, which was undergone at our hospital, revealed a circumferentially elevated lesion with ulceration (Fig. 1a). This article is protected by copyright. All rights reserved.
December 20, 2016: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
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