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https://www.readbyqxmd.com/read/29453774/hobnail-retiform-dabska-hemangioendothelioma-located-in-jejunum
#1
Yuxin Wang, Huan Han, Yiqi Du
A 27-year-old man referred to our department with a 1-month history of intermittent melena and dizziness. Gastroscopy and colonoscopy did not identify the site of bleeding. Laboratory data showed hemoglobin 6.6g/dL. Video capsule endoscopy (CE, Anhon,China) and antegrade double-ballon enteroscopy (DBE, EN450P5, Fujinon, Japan) were carried out and a space occupying lesion in the proximal jejunum was identified (Fig.1). Ink tattooing via DBE was performed to mark the site of the tumor.Then the patient underwent jejunectomy...
February 17, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29450787/a-case-of-small-intestinal-neuroendocrine-carcinoma-diagnosed-using-double-balloon-endoscopy-with-long-term-survival
#2
Seiji Kawano, Yuichi Miyashima, Yoshio Miyabe, Yoshinari Kawai, Toshihiro Murata, Masashi Uda, Toshihiro Inokuchi, Hiroyuki Okada
Neuroendocrine neoplasms, including neuroendocrine tumors (NETs) and neuroendocrine carcinomas (NECs), are rare epithelial tumors with a predominant neuroendocrine differentiation. Compared with NETs, NECs have been reported to be rarer and have a poorer prognosis. We present a rare case of small bowel NEC diagnosed using double-balloon endoscopy (DBE) and the long-term survival accomplished via intensive therapy. DBE revealed an ulcerative tumor in the deep jejunum, and biopsy specimens showed large and highly dysplastic tumor cells; immuno-histological synaptophysin and chromogranin A tests were positive, and the Ki-67 index was more than 90%...
February 15, 2018: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29415933/-significance-of-upper-and-lower-gastrointestinal-endoscopy-for-screening-small-intestinal-lesions-in-non-hodgkin-s-lymphoma
#3
Shogo Miura, Hiroyuki Kuroda, Ken Sato, Michiko Yamada, Ryo Itou, Michihiro Ono, Tomoyuki Abe, Shigeyuki Fujii, Masahiro Maeda, Masahiro Yoshida, Wataru Jomen, Masayoshi Kobune, Junji Kato, Miri Fujita
The gastrointestinal tract is a common site for the occurrence of non-Hodgkin's lymphoma (NHL). NHL with gastrointestinal lesions may lead to clinically relevant intestinal complications such as obstruction, perforation, and exsanguination during the course of the disease. Consequently, patients with NHL are often examined by means of upper and lower gastrointestinal endoscopy at the initial visit. There are no clear guidelines regarding which patients should undergo capsule endoscopy (CE) and balloon enteroscopy for detecting small intestinal lesions...
2018: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/29393257/clinical-utility-of-capsule-endoscopy-and-double-balloon-enteroscopy-in-the-management-of-obscure-gastrointestinal-bleeding
#4
Koji Otani, Toshio Watanabe, Sunao Shimada, Shuhei Hosomi, Yasuaki Nagami, Fumio Tanaka, Noriko Kamata, Koichi Taira, Hirokazu Yamagami, Tetsuya Tanigawa, Masatsugu Shiba, Yasuhiro Fujiwara
BACKGROUND: Obscure gastrointestinal bleeding (OGIB) is a common but embarrassing problem for gastroenterologists. Most bleeding lesions associated with OGIB are present in the small intestine and sometimes cannot be identified due to the difficulty associated with physical accessibility. Capsule endoscopy (CE) and double-balloon enteroscopy (DBE) have enabled in the process of diagnosing and have evolved to become approaches to treating OGIB. SUMMARY: CE is a minimally invasive procedure and has a high diagnostic yield in patients with OGIB...
February 1, 2018: Digestion
https://www.readbyqxmd.com/read/29385328/molecular-characterization-of-water-soluble-humic-like-substances-in-smoke-particles-emitted-from-combustion-of-biomass-materials-and-coal-using-ultrahigh-resolution-electrospray-ionization-fourier-transform-ion-cyclotron-resonance-mass-spectrometry
#5
Jianzhong Song, Meiju Li, Bin Jiang, Siye Wei, Xingjun Fan, Ping'an Peng
Water-soluble humic-like substances (HULIS) in smoke particles emitted from combustion of biomass materials and coal were characterized by ultrahigh-resolution Fourier transform ion cyclotron resonance mass spectrometry. The formulae identified were classified into four main groups: CHO, CHON, CHOS, and CHONS. The average H/C and O/C ratios are 1.13-1.33, 1.01-1.13, 1.26-1.48, 1.09-1.24 and 0.21-0.41, 0.27-0.45, 0.41-0.46, 0.44-0.61 for CHO, CHON, CHOS, and CHONS groups, respectively. CHO compound was the predominant component (43%-72%) of the smoke HULIS from biomass burning (BB) and coal combustion, followed by the CHON group for BB-smoke HULIS and the S-containing groups (i...
January 31, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29380100/heterologous-co-expression-in-e-coli-of-isoamylase-genes-from-cassava-manihot-esculenta-crantz-ku50-achieves-enzyme-active-heteromeric-complex-formation
#6
Pawinee Panpetch, Robert A Field, Tipaporn Limpaseni
Cloning of two isoamylase genes, MeISA1 and MeISA2, from cassava (Manihot esculenta Crantz) tubers, accompanied by their co-expression in E. coli demonstrates a requirement for heteromeric complex formation to achieve debranching activity. Starch debranching enzyme (DBE) or isoamylase (ISA) (EC.3.2.1.68), an important enzyme in starch metabolism, catalyses the hydrolysis of α-1,6 glycosidic linkages of amylopectin. Isoforms of ISAs have been reported in higher plants and algae (Fujita et al. in Planta 208:283-293, 1999; Hussain et al...
January 29, 2018: Plant Molecular Biology
https://www.readbyqxmd.com/read/29347713/discrete-boltzmann-modeling-of-rayleigh-taylor-instability-in-two-component-compressible-flows
#7
Chuandong Lin, Aiguo Xu, Guangcai Zhang, Kai Hong Luo, Yingjun Li
A discrete Boltzmann model (DBM) is proposed to probe the Rayleigh-Taylor instability (RTI) in two-component compressible flows. Each species has a flexible specific-heat ratio and is described by one discrete Boltzmann equation (DBE). Independent discrete velocities are adopted for the two DBEs. The collision and force terms in the DBE account for the molecular collision and external force, respectively. Two types of force terms are exploited. In addition to recovering the modified Navier-Stokes equations in the hydrodynamic limit, the DBM has the capability of capturing detailed nonequilibrium effects...
November 2017: Physical Review. E
https://www.readbyqxmd.com/read/29325750/double-balloon-enteroscopy-dbe-in-patients-presenting-with-obscure-gastrointestinal-bleeding-ogib
#8
Esmat Sheba, Ali Farag, Wael Aref, Shaimaa Elkholy, Omar Ashoush
BACKGROUND AND STUDY AIMS: Obscure gastrointestinal bleeding (OGIB) is defined as bleeding of unknown origin that persists or recurs after an initial negative investigation. Identifying the source of OGIB represents a diagnostic challenge that is frequently focused on visualizing the small intestine. Conventional diagnostic methods, such as push enteroscopy, small-bowel follow-through, radionuclide scanning, and angiography, each exhibit inherent limitations. Double balloon enteroscopy (DBE) was designed specifically to evaluate the entire small bowel...
January 8, 2018: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/29298102/deer-bone-extract-supplementation-for-mild-to-moderate-knee-osteoarthritis-symptoms-a-randomized-double-blind-placebo-controlled-trial
#9
Dongseok Shin, Eun Ae Kim, Yoon Young Kim, Min Seo Kim, Jong Hoon Kim, Chang Won Ahn, Soo-Hyun Park, Ki Won Lee, Jae Hwa Kim, Ji Yeon Kim
In this randomized, double-blind, placebo-controlled study, we evaluated the efficacy of deer bone extract (DBE) in participants with knee osteoarthritis (OA). We enrolled 50 participants aged 50-70 years, having knee OA with a Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score ≥5.0. The participants were assigned to the placebo or DBE group (550 mg/day) for 12 weeks. The outcome measures were as follows: pain score on the visual analog scale (VAS); WOMAC score; and blood and urine biomarkers...
January 3, 2018: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29259383/double-balloon-enteroscopy-assisted-dilatation-avoids-surgery-for-small-bowel-strictures-a-systematic-review
#10
Judith E Baars, Ruben Theyventhiran, Patrick Aepli, Payal Saxena, Arthur J Kaffes
AIM: To evaluate the therapeutic role of double-balloon enteroscopy (DBE) in small bowel strictures and to propose a standard approach to small bowel strictures. METHODS: Systematic review of studies involving DBE in patients with small bowel strictures. Only studies limited to small bowel strictures were included and those with ileo-colonic strictures were excluded. RESULTS: In total 13 studies were included, in which 310 patients were dilated...
December 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29248750/waste-water-treatment-plants-are-implicated-as-an-important-source-of-flame-retardants-in-insectivorous-tree-swallows-tachicyneta-bicolor
#11
Kimberly J Fernie, Robert J Letcher
Wastewater treatment plants (WWTPs) are an important source of anthropogenic chemicals, including organic flame retardants (FRs). Limited studies indicate birds can be exposed to FRs by feeding from waters receiving WWTP effluent or in fields receiving biosolids. Expanding on our earlier study, 47 legacy and 18 new FR contaminants were characterized in the eggs of insectivorous tree swallows (Tachycineta bicolor) feeding in water bodies receiving effluent from two WWTPs and compared to those from a reference site 19 km downstream of the nearest WWTP...
December 7, 2017: Chemosphere
https://www.readbyqxmd.com/read/29198551/experience-of-double-balloon-enteroscopy
#12
Ming-Yao Su, Wei-Pin Lin, Cheng-Tang Chiu
BACKGROUND: To evaluated the experiences of double balloon enteroscopy (DBE) for obscure gastrointestinal bleeding. METHODS: From October 2003 to November 2009, a total of 124 patients with obscure gastrointestinal bleeding were investigated using DBE. A total of 142 procedures (84 per oral and 58 per rectal route) were performed by the same endoscopist. RESULTS: The average insertion time was 71.4 (20-199) minutes per-orally; the average insertion time was 139...
November 30, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29168644/hemorrhage-and-intestinal-obstruction-secondary-to-a-meckel-s-diverticulum-a-case-report
#13
Bing Yan Xue, Qi Yun Tang
We present one case of a 17-year-old male with ten-year history of anemia complaining of recurrent bloody stools, abdominal pain and fatigue for 3 months.The gastroscopy, colonoscopy, the-first-time double-balloon enteroscopy (DBE) through the anus and capsule endoscopy were performed with negative results. 99mTc-pertechnetate scan showed a round-like high radioactive concentration at the ileocecum. Double-balloon enteroscopy through the anus was performed again by a more-experienced endoscopic physician, the diverticulum was found at a distance of 50 cm to the ileocecal valve...
January 2018: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29127729/tips-for-endoscopic-stone-extraction-using-new-short-type-double-balloon-endoscope-for-common-bile-duct-stones-in-patients-with-surgically-altered-gastrointestinal-anatomy
#14
Masaaki Shimatani, Makoto Takaoka, Kazuichi Okazaki
The endoscopic approach to pancreatobiliary diseases in postoperative patients had been difficult (1). Percutaneous or surgical interventions were applied as the first line policy. However, using double balloon endoscopes (DBE), especially the short-type DBE, radically made it practical and safe (2, 3). In this study, endoscopic technical tips using the newly developed short-type DBE (EI-580 BT; FUJIFILM Co, Tokyo, Japan) for stone-extraction via papilla for common bile duct stones in patients with Roux-en Y reconstruction post gastrectomy will be introduced...
November 11, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29126467/rapid-fingerprinting-of-lignin-by-ambient-ionization-high-resolution-mass-spectrometry-and-simplified-data-mining
#15
Elizabeth A Crawford, Stefanie Gerbig, Bernhard Spengler, Dietrich A Volmer
Ambient ionization techniques are typically used to analyze samples in their native states with minimal or no sample pretreatment prior to mass spectrometric (MS) analysis. Desorption electrospray ionization (DESI) and direct analysis in real time (DART) were systematically investigated in this work for direct solid analysis of depolymerized lignin samples, with the goal of rapidly fingerprinting these samples, to efficiently characterize the subunits of this renewable energy source. High resolution MS was required for enhanced selectivity in this study due to the inherent structural complexity of lignin...
November 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29119527/multifocality-in-small-bowel-neuroendocrine-tumors
#16
Alexandra Gangi, Emily Siegel, Galinos Barmparas, Simon Lo, Laith H Jamil, Andrew Hendifar, Nicholas N Nissen, Edward M Wolin, Farin Amersi
BACKGROUND: Neuroendocrine tumors (NETs) account for 30% of small bowel (SB) neoplasms. The objectives of this study were to evaluate the incidence of multifocality in primary small bowel neuroendocrine tumors (SBNETs) and to examine the associated outcomes. METHODS: Patients with multifocal SBNET were compared to those with a solitary lesion. Only patients who underwent diagnostic workup and surgical intervention at our institution were included in this study. The primary aim of our study was surgical outcomes and mortality and recurrence...
November 8, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29081651/comparison-of-patients-tolerance-between-computed-tomography-enterography-and-double-balloon-enteroscopy
#17
Maochen Zhang, Tianyu Zhang, Liwen Hong, Qiangqiang Wu, Yun Lin, Mengfan Xie, Rong Fan, Zhengting Wang, Jie Zhou, Jie Zhong
BACKGROUND: Computed tomography enterography (CTE) and double-balloon enteroscopy (DBE) are widely used in diagnosis of small bowel diseases. Both of these examinations bring discomfort to patients. The aim of this study was to compare patients' tolerance and preference between CTE and DBE. METHODS: From August 1, 2014 to December 31, 2016, patients with suspected or known small bowel diseases who underwent both CTE and DBE were prospectively enrolled in our study...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/29043867/risk-factors-for-surgery-in-patients-with-retention-of-endoscopic-capsule
#18
Zemin Han, Weiguang Qiao, Xiuyun Ai, Aimin Li, Zhenyu Chen, Jie Zhang, Tianmo Wan, Xicheng Feng, Side Liu, Fachao Zhi
OBJECTIVES: Surgery is still the main means for removing retained endoscopic capsules. This study intended to evaluate risk factors for surgery in patients with capsule retention. MATERIALS AND METHODS: The data of 5348 consecutive capsule endoscopy examinations were retrospectively analyzed. Cox regression analysis was used to evaluate risk factors. RESULTS: Seventy-seven patients (1.4%) had capsule retention. Spontaneous passage occurred in 16 patients, of which 14 were asymptomatic...
October 18, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28987410/variable-dual-carbon-bromine-stable-isotope-fractionation-during-enzyme-catalyzed-reductive-dehalogenation-of-brominated-ethenes
#19
Angela Woods, Kevin Kuntze, Faina Gelman, Ludwik Halicz, Ivonne Nijenhuis
The potential of compound-specific stable isotope analysis (CSIA) to characterize biotransformation of brominated organic compounds (BOCs) was assessed and compared to chlorinated analogues. Sulfurospirillum multivorans and Desulfitobacterium hafniense PCE-S catalyzed the dehalogenation of tribromoethene (TBE) to either vinyl bromide (VB) or ethene, respectively. Significantly lower isotope fractionation was observed for TBE dehalogenation by S. multivorans (εC = -1.3 ± 0.2‰) compared to D. hafniense (εC = -7...
September 27, 2017: Chemosphere
https://www.readbyqxmd.com/read/28978881/risk-factors-for-rebleeding-and-risk-based-follow-up-of-obscure-gastrointestinal-bleeding-after-its-initial-diagnosis
#20
Genta Uchida, Masanao Nakamura, Osamu Watanabe, Takeshi Yamamura, Masanobu Matsushita, Takuya Ishikawa, Kazuhiro Furukawa, Kohei Funasaka, Eizaburo Ohno, Hiroki Kawashima, Ryoji Miyahara, Hidemi Goto, Yoshiki Hirooka
Capsule endoscopy (CE) and double-balloon endoscopy (DBE) have revolutionized the diagnosis and treatment of obscure gastrointestinal bleeding (OGIB). Although CE and DBE provide access to the small bowel and OGIB can be effectively treated by the identification of specific bleeding lesions, some patients experience rebleeding after small bowel investigation. There are no definite algorithms to determine the best follow-up period for patients with OGIB. The purpose of this study was to investigate the long-term outcomes and risk factors for rebleeding and to develop a follow-up strategy for patients with overt OGIB...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
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