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Video capsule endoscopy

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https://www.readbyqxmd.com/read/28412572/quantitative-analysis-of-patients-with-celiac-disease-by-video-capsule-endoscopy-a-deep-learning-method
#1
Teng Zhou, Guoqiang Han, Bing Nan Li, Zhizhe Lin, Edward J Ciaccio, Peter H Green, Jing Qin
BACKGROUND: Celiac disease is one of the most common diseases in the world. Capsule endoscopy is an alternative way to visualize the entire small intestine without invasiveness to the patient. It is useful to characterize celiac disease, but hours are need to manually analyze the retrospective data of a single patient. Computer-aided quantitative analysis by a deep learning method helps in alleviating the workload during analysis of the retrospective videos. METHOD: Capsule endoscopy clips from 6 celiac disease patients and 5 controls were preprocessed for training...
April 8, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28405316/endoscopic-techniques-to-detect-small-bowel-neuroendocrine-tumors-a-literature-review
#2
REVIEW
Roberta Elisa Rossi, Dario Conte, Luca Elli, Federica Branchi, Sara Massironi
BACKGROUND: The diagnosis of small-bowel neuroendocrine tumors (SbNETs) has improved with the advent of video capsule endoscopy (CE) and double-balloon enteroscopy (DBE). The data describing the efficacy of CE/DBE in the detection of SbNETs are scanty. AIM: The aim of this article is to review the current evidence on the role of DBE and CE in the diagnosis of SbNETs. MATERIAL AND METHODS: A bibliographical search was performed in PubMed using the following keywords: "neuroendocrine tumors and enteroscopy/and capsule endoscopy" and "small bowel neuroendocrine tumors...
February 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28350747/short-article-small-intestinal-mucosal-injury-in-patients-taking-chemotherapeutic-agents-for-solid-cancers
#3
Maria P Dore, Giovanni M Pes, Alberto Murino, Bianca Quarta Colosso, Marco Pennazio
OBJECTIVE: Chemotherapy for cancer is a systemic treatment often associated with side effects than can be debilitating and, in some cases, life-threatening. Few data are available on intestinal enterotoxicity. Wireless video capsule endoscopy (VCE) is a noninvasive method of imaging the small intestine. This study presents the results of VCE in patients with solid tumors undergoing antineoplastic regimens with agents, notably for toxicity for the gastrointestinal mucosa (i.e. carboplatin, cyclophosphamide, 5-fluorouracil, methotrexate, and cisplatin)...
May 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28333772/video-capsule-endoscopy-to-diagnose-primary-intestinal-lymphangiectasia-in-a-14-month-old-child
#4
S M van der Reijden, M P van Wijk, M A J M Jacobs, T G J de Meij
No abstract text is available yet for this article.
March 22, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28318326/optimal-use-of-polyethylene-glycol-for-preparation-of-small-bowel-video-capsule-endoscopy-a-network-meta-analysis
#5
Shan Wu, Yun-Jie Gao, Zhi-Zheng Ge
OBJECTIVE: Standardized strategy of bowel preparation before video capsule endoscopy (VCE) remains controversial. This study aimed to assess the ideal dose of PEG, based on small bowel visualization quality (SBVQ), diagnostic yield (DY), and complete rate (CR) of VCE using a network meta-analysis (NMA) of randomized controlled trials (RCTs). METHODS: This NMA included RCTs comparing any of the following bowel preparation interventions for VCE: fasting overnight ("Fast"), 1 liter PEG ("PEG 1L"), 2-liter PEG ("PEG 2L"), or 4-liter PEG ("PEG 4L")...
April 13, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28286191/increased-intestinal-permeability-in-relatives-of-patients-with-crohn-s-disease-is-not-associated-with-small-bowel-ulcerations
#6
Christopher W Teshima, Karen J Goodman, Mohamed El-Kalla, Samina Turk, Wael El-Matary, Rosica Valcheva, Ronda Danchak, Marilyn Gordon, Peter Ho, Amanda Mullins, Daniel Wong, Dina Kao, Jonathan Meddings, Hien Huynh, Levinus A Dieleman
BACKGROUND & AIMS: Many first-degree relatives of patients with Crohn's disease (CD) have increased intestinal permeability. Video capsule endoscopy (VCE) is the most sensitive imaging test to identify small bowel mucosal lesions that indicate subclinical CD. We aimed to estimate the association of increased intestinal permeability with small bowel ulcerations detectable by VCE in healthy first-degree relatives of patients with CD. METHODS: We conducted a cross-sectional study of 223 healthy, asymptomatic first-degree relatives of patients with CD (parents, siblings, and children; 9-45 years old) enrolled at the University of Alberta between 2009 and 2012...
March 7, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28280628/multiple-angiodysplasia-diagnosed-by-capsule-endoscopy
#7
Giulia Diamantini, Giovanni Battista Levi Sandri, Fabio Procacciante
A 28-year-old Caucasian man was admitted in our unit for acute massive rectal bleeding. Past medical and family history was unremarkable. Hemoglobin was 7.6 g/dL. Blood transfusions were required. Computed tomography and gastrointestinal endoscopy were negative for active bleeding. When patient's hemoglobin was normalized and stable, a video capsule endoscopy was performed. Video relieved the presence of multiple digiunal and ileal angiodysplastic lesions. A double endoscopic argon plasma coagulation procedure was planned on general anaesthesia...
February 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28268733/hardware-image-assessment-for-wireless-endoscopy-capsules
#8
M A Khorsandi, N Karimi, S Samavi, M Hajabdollahi, S M R Soroushmehr, K Ward, K Najarian
Wireless capsule endoscopy is a new technology in the realm of telemedicine that has many advantages over the traditional endoscopy systems. Transmitted images should help diagnosis of diseases of the gastrointestinal tract. Two important technical challenges for the manufacturers of these capsules are power consumption and size of the circuitry. Also, the system must be fast enough for real-time processing of image or video data. To solve this problem, many hardware designs have been proposed for implementation of the image processing unit...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268409/a-deep-convolutional-neural-network-for-bleeding-detection-in-wireless-capsule-endoscopy-images
#9
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/28226921/hardware-image-assessment-for-wireless-endoscopy-capsules
#10
M A Khorsandi, N Karimi, S Samavi, M Hajabdollahi, S M R Soroushmehr, K Ward, K Najarian, M A Khorsandi, N Karimi, S Samavi, M Hajabdollahi, S M R Soroushmehr, K Ward, K Najarian, K Ward, S M R Soroushmehr, M Hajabdollahi, S Samavi, K Najarian, M A Khorsandi, N Karimi
Wireless capsule endoscopy is a new technology in the realm of telemedicine that has many advantages over the traditional endoscopy systems. Transmitted images should help diagnosis of diseases of the gastrointestinal tract. Two important technical challenges for the manufacturers of these capsules are power consumption and size of the circuitry. Also, the system must be fast enough for real-time processing of image or video data. To solve this problem, many hardware designs have been proposed for implementation of the image processing unit...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226579/a-deep-convolutional-neural-network-for-bleeding-detection-in-wireless-capsule-endoscopy-images
#11
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/28216967/assessment-of-multi-modality-evaluations-of-obscure-gastrointestinal-bleeding
#12
Ryan Law, Jithinraj E Varayil, Louis M WongKeeSong, Jeff Fidler, Joel G Fletcher, John Barlow, Jeffrey Alexander, Elizabeth Rajan, Stephanie Hansel, Brenda Becker, Joseph J Larson, Felicity T Enders, David H Bruining, Nayantara Coelho-Prabhu
AIM: To determine the frequency of bleeding source detection in patients with obscure gastrointestinal bleeding (OGIB) who underwent double balloon enteroscopy (DBE) after pre-procedure imaging [multiphase computed tomography enterography (MPCTE), video capsule endoscopy (VCE), or both] and assess the impact of imaging on DBE diagnostic yield. METHODS: Retrospective cohort study using a prospectively maintained database of all adult patients presenting with OGIB who underwent DBE from September 1(st), 2002 to June 30(th), 2013 at a single tertiary center...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28211282/signet-ring-cell-carcinoma-of-the-jejunum-an-uncommon-finding-within-the-reach-of-capsule-endoscopy
#13
José Francisco Juanmartiñena, Marta Montes, Ignacio Fernández-Urién
An 80 year-old female presented with ductal breast carcinoma (stage II) three years ago, complained of asthenia and iron-deficiency anemia. No diagnosis was obtained after conventional endoscopy and iron supplements were indicated. Ten months later visible digestive hemorrhage was presented. Upper and lower endoscopy was repeated but non-diagnosis was obtained. Thus, video capsule endoscopy was indicated identifying a stenotic lesion arising in the mucosa of distal jejunum. Histopathological examination revealed a poorly mucinous differentiated signet-ring cell adenocarcinoma with an intense peri-tumoral lymphoid (Crohn´s-like lymphoid reaction) and lympho-vascular infiltration with no nodal metastases (pT3N0;7ª edition TNM classification)...
February 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28193167/helicobacter-pylori-prevalence-and-clinical-significance-in-patients-with-quiescent-crohn-s-disease
#14
Adi Lahat, Uri Kopylov, Sandra Neuman, Nina Levhar, Doron Yablecovitch, Benjamin Avidan, Batia Weiss, Shomron Ben-Horin, Rami Eliakim
BACKGROUND: Helicobacter pylori (HP) infection is present in about 50% of the global population, and is associated with chronic gastritis, peptic disease and gastric malignancies. HP prevalence in Crohn's disease (CD) patients was shown to be low compared to the general population, and its influence on disease activity is yet to be determined. Our aims were to determine the prevalence of HP in a selected group of CD patients with quiescent disease, and to assess the influence of its eradication on disease activity and endoscopic and laboratory activity measures...
February 13, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28160514/deep-learning-for-polyp-recognition-in-wireless-capsule-endoscopy-images
#15
Yixuan Yuan, Max Q-H Meng
PURPOSE: Wireless Capsule Endoscopy (WCE) enables physicians to examine the digestive tract without any surgical operations, at the cost of a large volume of images to be analyzed. In the computer-aided diagnosis of WCE images, the main challenge arisesfrom the difficulty of robust characterization of images. This study aims to provide dis-criminative description of WCE images and assist physicians to recognize polyp images automatically. METHODS: We propose a novel deep feature learning method, named stacked sparse autoencoder with image manifold constraint (SSAEIM), to recognize polyps in the WCE images...
February 4, 2017: Medical Physics
https://www.readbyqxmd.com/read/28103205/is-the-use-of-agile-patency-capsule-prior-to-videocapsule-endoscopy-useful-in-all-patients-with-spondyloarthritis
#16
Andrada Gheorghe, Denise Carmen Mihaela Zahiu, Theodor Alexandru Voiosu, Bogdan Radu Mateescu, Mihail Radu Voiosu, Mihai Rimbaş
BACKGROUND AND AIMS: As already known, spondyloarthritis patients present a striking resemblance in intestinal inflammation with early Crohn's disease. Moreover, the frequent use of nonsteroidal anti-inflammatory drugs is an important part of their treatment. Both conditions could lead to intestinal stenoses. Therefore we proposed to investigate the usefulness of the patency capsule test in patients with spondyloarthritis. MATERIAL AND METHODS: 64 consecutive patients (33 males; mean age 38 ± 11 years) that fulfilled the AMOR criteria for seronegative spondyloarthropathy (59...
January 18, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28071061/validation-of-spice-a-method-to-differentiate-small-bowel-submucosal-lesions-from-innocent-bulges-on-capsule-endoscopy
#17
Jaime P Rodrigues, Rolando Pinho, Adélia Rodrigues, Joana Silva, Ana Ponte, Mafalda Sousa, João Carvalho
BACKGROUND AND AIMS: Small bowel submucosal lesions (SBSL) and innocent bulges may have an identical appearance and be difficult to distinguish on small bowel capsule endoscopy (SBCE). Recently, Girelli et al. proposed a score, smooth, protruding lesion index on capsule endoscopy (SPICE), in order to differentiate between the two. We aimed to evaluate and validate SPICE as a differentiation method between innocent bulges and SBSLs. METHODS: We evaluated all SBCEs performed in our department between January 2005 and September 2015, and selected the ones with a smooth, round, protruding lesion in the small bowel...
February 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28069475/retention-associated-with-video-capsule-endoscopy-systematic-review-and-meta-analysis
#18
REVIEW
Mona Rezapour, Chidi Amadi, Lauren Gerson
BACKGROUND AND AIMS: Video capsule endoscopy (VCE) has become a major diagnostic tool for small-bowel evaluation. However, retention of the video capsule endoscope remains a major concern. METHODS: We performed a systematic review of VCE retention rates by using Pubmed and SCOPUS (1995-2015). We included studies that enrolled at least 10 patients, included VCE retention rates, and separated retention rates by indication. We used Comprehensive Meta-Analysis (Version 3...
January 6, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28063287/clinical-practice-guidelines-for-the-use-of-video-capsule%C3%A2-endoscopy
#19
Robert A Enns, Lawrence Hookey, David Armstrong, Charles N Bernstein, Steven J Heitman, Christopher Teshima, Grigorios I Leontiadis, Frances Tse, Daniel Sadowski
BACKGROUND & AIMS: Video capsule endoscopy (CE) provides a noninvasive option to assess the small intestine, but its use with respect to endoscopic procedures and cross-sectional imaging varies widely. The aim of this consensus was to provide guidance on the appropriate use of CE in clinical practice. METHODS: A systematic literature search identified studies on the use of CE in patients with Crohn's disease, celiac disease, gastrointestinal bleeding, and anemia...
January 4, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28042386/endoscopic-evaluation-in-diagnosis-and-management-of-inflammatory-bowel-disease
#20
REVIEW
Carthage P Moran, Barra Neary, Glen A Doherty
Endoscopy is a keystone in the management of patients with inflammatory bowel disease (IBD). It is the fundamental diagnostic tool for IBD, and can help discern between ulcerative colitis and Crohn's disease. Endoscopic assessment provides an objective end point in clinical trials, and identifies patients in clinical practice who may benefit from treatment escalation and may assist risk stratification in patients seeking to discontinue therapy. Recent advances in endoscopic assessment of patients with IBD include video capsule endoscopy, and chromoendoscopy...
December 16, 2016: World Journal of Gastrointestinal Endoscopy
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