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https://www.readbyqxmd.com/read/28731815/reply-to-biliopancreatic-reflux-shown-on-gadoxetic-acid-enhanced-mri
#1
Reiji Sugita, Kei Ito, Yutaka Noda
No abstract text is available yet for this article.
August 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28731814/biliopancreatic-reflux-shown-on-gadoxetic-acid-enhanced-mri
#2
Ali Devrim Karaosmanoglu, Musturay Karcaaltincaba
No abstract text is available yet for this article.
August 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28730506/hiatus-hernia-as-a-cause-of-dysphagia
#3
REVIEW
Hamish Philpott, Rami Sweis
PURPOSE OF REVIEW: This review aims to discuss the putative relationship between hiatus hernia and dysphagia. RECENT FINDINGS: Proposed mechanisms of dysphagia in patients with hiatus hernia are usually difficult to identify, but recent advances in technology (high-resolution manometry with or without concomitant impedance, ambulatory pH with impedance, videofluoroscopy, and the endoluminal functional lumen imaging probe (EndoFLIP)) and methodology (inclusion of swallows of various consistencies and volumes or shifting position during the manometry protocol) can help induce symptoms and identify the underlying disorder...
August 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28728310/the-effect-of-h2-receptor-antagonist-in-acid-inhibition-and-its-clinical-efficacy
#4
REVIEW
Young Kwang Shim, Nayoung Kim
The first histamine H2 receptor antagonists (H2RAs) were developed in the early 1970s. They played a dominant role in treating peptic ulcer disease and gastroesophageal reflux disease (GERD). H2RAs block the production of acid by H(+), K(+)-ATPase at the parietal cells and produce gastric luminal anacidity for varying periods. H2RAs are highly selective, and they do not affect H1 receptors. Moreover, they are not anticholinergic agents. Sequential development of H2RAs, proton pump inhibitors (PPIs), and discovery of Helicobacter pylori infection changed the paradigm of peptic ulcer disease with marked decrease of morbidity and mortality...
July 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28728067/an-optimized-hplc-uv-method-for-quantitatively-determining-sesquiterpenes-in-nardostachyos-radix-et-rhizoma
#5
Vu Ngoc Han Le, Trong Quan Khong, Min Kyun Na, Kyung Tae Kim, Jong Seong Kang
Nardostachyos Radix et Rhizoma (NR), the root and rhizome from either Nardostachys jatamansi Batal or Nardostachys jatamansi DC, is known to have biological functions including neuro-protective and anti-pancreatitis activity. The main bioactive compounds within NR are all classified as sesquiterpenes, and include desoxo-narchinol A, nardosinonediol, and nardosinone. Although NR is a valuable herb that is widely used in many Asian countries, robust quality control protocols for NR are still in question, especially those that can analyze the three main active compounds...
July 8, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28725170/helicobacter-pylori-infection-status-had-no-influence-on-upper-gastrointestinal-symptoms-a-cross-sectional-analysis-of-3-005-japanese-subjects-without-upper-gastrointestinal-lesions-undergoing-medical-health-checkups
#6
Tomomi Yoshioka, Eri Takeshita, Yasuhisa Sakata, Megumi Hara, Kayo Akutagawa, Natsuko Sakata, Hiroyoshi Endo, Takashi Ohyama, Keiji Matsunaga, Yuichiro Tanaka, Shinpei Shirai, Yoichiro Ito, Nanae Tsuruoka, Ryuichi Iwakiri, Motoyasu Kusano, Kazuma Fujimoto
BACKGROUND: This study aimed to evaluate the influence of Helicobacter pylori infection and its eradication on the upper gastrointestinal symptoms of relatively healthy Japanese subjects. METHODS: A total of 3,005 subjects (male/female: 1,549/1,456) undergoing medical health checkups were enrolled in the present study, at five hospitals in Saga, Japan, from January to December 2013. They had no significant findings following upper gastrointestinal endoscopy. All subjects completed a questionnaire that addressed a frequency scale for symptoms of gastroesophageal reflux disease...
2017: Esophagus: Official Journal of the Japan Esophageal Society
https://www.readbyqxmd.com/read/28714546/silver-catalyzed-dehydrogenative-synthesis-of-carboxylic-acids-from-primary-alcohols
#7
Robert Madsen, Hajar Golshadi Ghalehshahi
A simple silver-catalyzed protocol has been developed for the acceptorless dehydrogenation of primary alcohols into carboxylic acids and hydrogen gas. The procedure uses 2.5% Ag2CO3 and 2.5 - 3 equiv. of KOH in refluxing mesitylene to afford the potassium carboxylate which is then converted into the acid with HCl. The reaction can be applied to a variety of benzylic and aliphatic primary alcohols with alkyl and ether substituents, and in some cases halide, olefin and ester functionalities are also compatible with the reaction conditions...
July 17, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28711547/interobserver-variability-for-interpretation-of-dmsa-scans-in-the-rivur-trial
#8
Tej K Mattoo, Steven J Skoog, Lisa Gravens-Mueller, Russell W Chesney, Alejandro Hoberman, Ranjiv Mathews, Marva Moxey-Mims, Anastasia Ivanova, Saul P Greenfield, Myra A Carpenter
INTRODUCTION: Technetium-99m dimercaptosuccinic acid (DMSA) renal scans are used in the diagnosis of renal scarring. In the Randomized Intervention for Children with Vesicoureteral Reflux (RIVUR) trial that randomized 607 children, DMSA renal scans were used for evaluating the presence and the severity of renal scarring. OBJECTIVE: The aim was to determine interobserver variability in reporting of DMSA renal scans in the RIVUR trial. STUDY DESIGN: We compared DMSA renal scan reports for renal scarring and acute pyelonephritis from all non-reference local radiologists (ALRs) at study sites with adjudicated as well as non-adjudicated reports from two reference radiologists (RRs) of the RIVUR trial...
June 1, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28711175/the-prevalence-of-rome-iv-nonerosive-esophageal-phenotypes-in-children
#9
Lisa B Mahoney, Samuel Nurko, Rachel Rosen
OBJECTIVES: To assess the prevalence of Rome IV nonerosive esophageal phenotypes in children using multichannel intraluminal impedance testing and to describe the rates of proton pump inhibitor (PPI) responsiveness and the frequency of microscopic esophagitis in these patients. STUDY DESIGN: We conducted a retrospective review of all children ≥5 years of age who underwent esophagogastroduodenoscopy and multichannel intraluminal impedance testing off PPI therapy for evaluation of typical gastroesophageal reflux symptoms...
July 12, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28700181/-hyperuricemia-and-gene-mutations-a-case-report
#10
Fabio Tattoli, Daniela Falconi, Ornella De Prisco, Gherzi Maurizio, Federico Marazzi, Marita Marengo, Ilaria Serra, Michela Tamagnone, Luca Cordero di Montezemolo, Barbara Pasini, Marco Formica
Hyperuricemia is frequently found in nephrology. The case presented may be useful to clarify some pathogenetic aspects. It is a patient of 18 years, hyperuricaemic. Non-consanguineous parents, hyperuricemia in the paternal line, not neuropsychiatric disorders in the family. Delay in neuromotor acquisitions, average intellectual disabilities, anxiety disorder, obsessive-compulsive personality traits. Normal renal function and renal ultrasound. Evidence of hyperuricemia in 2015. Never gouty episodes and / or lithiasis, initiated allopurinol 100 mg on alternate days, with no side effects, urea in the control range, slightly below normal uricuria...
June 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28691051/peroral-endoscopic-myotomy-using-flushknife-bt-a-single-center-series
#11
Shinwa Tanaka, Takashi Toyonaga, Fumiaki Kawara, Ian S Grimm, Namiko Hoshi, Hirofumi Abe, Yoshiko Ohara, Yoshinori Morita, Eiji Umegaki, Takeshi Azuma
BACKGROUND AND STUDY AIMS : Peroral endoscopic myotomy (POEM) is an evolving new treatment strategy for achalasia. Although several kinds of electrosurgical knives have been used in performing POEM, the best device has yet to be determined. The FlushKnife BT is a waterjet-emitting short needle-knife with a small ball tip (BT) that offers the potential to perform all aspects of POEM with a single device. In this study, we evaluated the safety and efficiency of the FlushKnife BT for POEM...
July 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28687968/associations-between-obstructive-sleep-apnea-severity-and-endoscopically-proven-gastroesophageal-reflux-disease
#12
Youlim Kim, Yeon Joo Lee, Jong Sun Park, Young-Jae Cho, Ho Il Yoon, Jae Ho Lee, Choon-Taek Lee, Se Joong Kim
PURPOSE: Obstructive sleep apnea (OSA) is believed to be an important risk factor for gastroesophageal reflux disease (GERD). However, the association between OSA and GERD is not straightforward and has been incompletely characterized. The aim of this study was to assess the relationship between OSA and GERD by performing both polysomnography (PSG) and esophagogastroduodenoscopy (EGD). METHODS: The enrolled patients underwent both PSG and EGD from October 2003 to July 2015 at Seoul National University Bundang Hospital...
July 7, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28682989/the-role-of-esophageal-hypersensitivity-in-functional-heartburn
#13
Takashi Kondo, Hiroto Miwa
Functional heartburn (FH) is defined as a functional esophageal disorder characterized by symptoms of chronic heartburn with no apparent correlation to acid or nonacid reflux. In addition, its symptoms persist despite the lack of organic abnormalities or inflammation, esophageal motility disorders, or metabolic disorders. Although conditions presenting with esophageal symptoms without endoscopic abnormalities were previously categorized as nonerosive reflux disease, such conditions are now classified into 3 categories under Rome IV criteria: nonerosive reflux disease, reflux hypersensitivity, and FH...
August 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28682046/upper-gastrointestinal-conditions-nonmalignant-conditions-of-the-esophagus
#14
David S Estores, Ku-Lang Chang
Eosinophilic esophagitis (EE) is an allergic disorder of the esophagus. This diagnosis requires the presence of specific symptoms and a significantly elevated number of eosinophils in the esophageal lining as determined by endoscopic biopsies. Symptoms tend to be nonspecific among patients younger than 15 years. Among adults, dysphagia is the most common symptom. Comanagement with a gastroenterology subspecialist is essential, particularly for EE patients with a stricture. EE is commonly misdiagnosed as gastroesophageal reflux disease (GERD)...
July 2017: FP Essentials
https://www.readbyqxmd.com/read/28681079/urinary-tract-infection-in-small-children-the-evolution-of-renal-damage-over-time
#15
Svante Swerkersson, Ulf Jodal, Rune Sixt, Eira Stokland, Sverker Hansson
BACKGROUND: Our objective was to analyze the evolution of kidney damage over time in small children with urinary tract infection (UTI) and factors associated with progression of renal damage. METHODS: From a cohort of 1003 children <2 years of age with first-time UTI, a retrospective analysis of 103 children was done. Children were selected because of renal damage at index (99m)Tc-dimercaptosuccinic acid (DMSA) scintigraphy at least 3 months after UTI, and a late DMSA scan was performed after at least 2 years...
July 5, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28678913/extracellular-diffusion-quantified-by-magnetic-resonance-imaging-during-rat-c6-glioma-cell-progression
#16
G Song, T Luo, L Dong, Q Liu
Solution reflux and edema hamper the convection-enhanced delivery of the standard treatment for glioma. Therefore, a real-time magnetic resonance imaging (MRI) method was developed to monitor the dosing process, but a quantitative analysis of local diffusion and clearance parameters has not been assessed. The objective of this study was to compare diffusion into the extracellular space (ECS) at different stages of rat C6 gliomas, and analyze the effects of the extracellular matrix (ECM) on the diffusion process...
July 3, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28676270/synthesis-of-novel-2-pyrazoline-analogues-with-potent-anti-inflammatory-effect-mediated-by-inhibition-of-phospholipase-a2-crystallographic-in-silico-docking-and-qsar-analysis
#17
Devirammanahalli Mahadevaswamy Lokeshwari, Dileep Kumar Achutha, Bharath Srinivasan, Naveen Shivalingegowda, Lokanath Neratur Krishnappagowda, Ajay Kumar Kariyappa
Oxidative-stress induces inflammatory diseases. Further, infections caused by drug-resistant microbial strains are on the rise. This necessitates the discovery of novel small-molecules for intervention therapy. A series of 3-(2,3-dichlorophenyl)-1-(aryl)prop-2-en-1-ones are synthesized as intermediates via Claisen-Schmidt reaction approach. Subsequently, these intermediates were transformed into 2-pyrazolines by their reaction with phenylhydrazine hydrochlorides in methanol and few drops of acetic acid under reflux conditions...
June 24, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28676209/sustainable-utilization-of-waste-palm-oil-and-sulfonated-carbon-catalyst-derived-from-coconut-meal-residue-for-biodiesel-production
#18
Indika Thushari, Sandhya Babel
In this study, an inexpensive, environmental benign acid catalyst is prepared using coconut meal residue (CMR) and employed for biodiesel production from waste palm oil (WPO). The total acid density of the catalyst is found to be 3.8mmolg(-1). The catalyst shows a unique amorphous structure with 1.33m(2)g(-1) of surface area and 0.31cm(3)g(-1) of mean pore volume. Successful activation is confirmed by Fourier transform infrared (FT-IR) spectroscopy and X-ray photoelectron spectroscopy (XPS). The highest biodiesel yield of 92...
June 23, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28668514/photocatalytic-study-and-superparamagnetic-nature-of-zn-doped-mgfe2o4-colloidal-size-nanocrystals-prepared-by-solvothermal-reflux-method
#19
A Manohar, C Krishnamoorthi
Biocompatible Mg1-xZnxFe2O4 (x=0.2, 0.4, 0.5, 0.6 & 0.8) nanoparticles were synthesized by solvothermal reflux method. All compounds were crystallized in cubic spinel structure with slightly enhance of lattice parameter with biocompatible substituent Zn(2+) concentration. All compounds were shown spherical geometry with average particle diameter is around 12nm (colloidal size). The spinel structure formation was confirmed by X-ray diffraction,electron diffraction, infrared, Raman shift measurements. Infrared analysis shows oleic acid coating on the surface of nanoparticles and TGA analysis shows that oleic acid desorbs from nanoparticle by decomposition at around 400°C...
June 24, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28665539/minimalistic-liquid-assisted-route-to-highly-crystalline-%C3%AE-zirconium-phosphate
#20
Yu Cheng, Xiaodong Tony Wang, Stephan Jaenicke, Gaik-Khuan Chuah
Zirconium phosphates have potential applications in areas of ion-exchange, catalysis, photochemistry, and biotechnology. However, synthesis methodologies to form crystalline α-zirconium phosphate (Zr(HPO₄)₂·H₂O) typically involve the use of excess phosphoric acid, addition of HF or oxalic acid and long reflux times or hydrothermal conditions. Herein we report on a minimalistic sustainable route using only zirconium oxychloride and concentrated phosphoric acid to form highly crystalline α-zirconium phosphate within hours...
June 30, 2017: ChemSusChem
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