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Gastro-intestinal

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https://www.readbyqxmd.com/read/29167828/the-big-the-bad-and-the-exon-11-adjuvant-imatinib-for-all-gastro-intestinal-stromal-tumors-or-just-the-ugly
#1
EDITORIAL
Roman Groisberg, Vivek Subbiah
No abstract text is available yet for this article.
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29166754/advances-in-oncological-treatment-limitations-of-recist-1-1-criteria
#2
Serena Grimaldi, Marie Terroir, Caroline Caramella
INTRODUCTION: RECIST 1.1 criteria are the standard for the response assessment of most solid tumors on computed tomography (CT). Nevertheless, the emergence of new classes of treatment in the lasts decades has brought new challenges in the response evaluation. EVIDENCE ACQUISITION: A PubMed online database literature search was performed in order to identify papers in English with full text available published up to September 2017. EVIDENCE SYNTHESIS: Some oncologic treatments, such as anti-angiogenic agents, immunotherapy and local treatments, have proven to be effective despite atypical patterns of responses...
November 22, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29166133/dosimetric-impact-of-gastrointestinal-air-column-in-radiation-treatment-of-pancreatic-cancer
#3
Neil C Estabrook, Jonathan B Corn, Marvene E Ewing, Higinia R Cardenes, Indra J Das
OBJECTIVE: Dosimetric evaluation of air column in gastro-intestinal (GI) structures in IMRT of pancreatic cancer. METHODS: Nine sequential patients were retrospectively chosen for dosimetric analysis of air column in the GI apparatus in pancreatic cancer using cone beam CT (CBCT). The 4DCT was used for target and organs at risk (OARs) and non-coplanar IMRT was used for treatment. Once/week, these patients underwent CBCT for air filling, isocenter verification and dose calculations retrospectively...
November 22, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/29165683/systematic-review-occupational-illness-in-the-waste-and-recycling-sector
#4
C J M Poole, S Basu
Background: The waste and recycling sector is a growing part of industry. Whether health surveillance is indicated and how it should be undertaken is unclear. Aims: To undertake a review of the literature to identify hazards to health, biological effects and occupational illnesses for workers in the sector. Methods: A systematic review of the published literature and two UK databases. Results: Rates of fatal, non-fatal injuries and self-reported work-related illness were found to be higher in the waste and recycling sector than in UK industry as a whole...
November 20, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/29156231/acute-organoaxial-gastric-volvulus-a-massive-problem-with-a-twist-case-report
#5
Fadi Al Daoud, Gul Sachwani Daswani, Vinu Perinjelil, Tina Nigam
INTRODUCTION: Gastric volvulus (GV) is a rare and life threatening condition if not treated promptly or wrongly diagnosed. The main complication of gastric volvulus is foregut obstruction. The extreme rotation can cut off blood supply to the stomach and even distal organs, which can lead to ischemia and necrosis of the affected area. PRESENTATION OF CASE: We report a case of a 41yo female that complained of severe abdominal pain, nausea and vomiting for approximately 3days after eating a large meal...
November 13, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29153779/lambda-display-phage-as-a-mucosal-vaccine-delivery-vehicle-for-peptide-antigens
#6
Patricia González Cano, Lakshman N A Gamage, Kristen Marciniuk, Connie Hayes, Scott Napper, Sidney Hayes, Philip J Griebel
Bacteriophage are structurally stable in the gastro-intestinal tract and have favorable traits of safety, stability, ease of production, and immunogenicity. These attributes make them potential candidates as oral vaccine delivery vehicles but little is known about their capacity to induce mucosal immune responses in the small intestine. Whole body imaging of mice confirmed lambda bacteriophage (LP) were distributed throughout the gastro-intestinal tract 24 h after oral delivery. In newborn calves, targeted delivery of LP within the small intestine confirmed LP were immunogenic in a dose-dependent manner and were taken up by Peyer's patches...
November 16, 2017: Vaccine
https://www.readbyqxmd.com/read/29151541/gastro-intestinal-involvement-in-m-3243a-g-associated-mitochondrial-myopathy-encephalopathy-lactic-acidosis-and-stroke-like-episodes
#7
Junichiro Suzuki, Mai Iwata, Hideyuki Moriyoshi, Suguru Nishida, Takeshi Yasuda, Yasuhiro Ito
No abstract text is available yet for this article.
November 20, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29148292/cholestatic-liver-injury-as-a-side-effect-of-dabigatran-and-the-use-of-coagulation-tests-in-dabigatran-intoxication-and-after-reversal-by-idarucizumab-in-bleeding-and-sepsis
#8
Willemijn J Comuth, Anne-Mette Haase, Linda Ø Henriksen, Jerzy Malczynski, Daan van de Kerkhof, Anna-Marie B Münster
Idarucizumab, an antidote specific for dabigatran, became available recently. Dabigatran is not associated with increased risk of hepatotoxicity in comparison with warfarin, but it is seen as a rare side-effect. Cases of cholestatic liver injury due to dabigatran have not been reported previously. We present a case of severe gastro-intestinal bleeding with underlying dabigatran intoxication in a patient with renal failure and the effect of reversal of dabigatran using idaruzicumab on coagulation assays. International normalized ratio (INR) and activated partial thromboplastin time (APTT) results were elevated in a setting of sepsis, possibly due to liver failure...
November 17, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29146341/oxidation-and-nitrosation-of-meat-proteins-under-gastro-intestinal-conditions-consequences-in-terms-of-nutritional-and-health-values-of-meat
#9
Diane de La Pomélie, Véronique Santé-Lhoutellier, Thierry Sayd, Philippe Gatellier
The chemical changes (oxidation/nitrosation) of meat proteins during digestion lead to a decrease in their nutritional value. Moreover, oxidized and nitrosated amino acids are suspected to promote various human pathologies. To investigate the mechanisms and the kinetics of these endogenous protein modifications, we used a dynamic artificial digestive system (DIDGI®) that mimics the physicochemical conditions of digestion. The combined effect of meat cooking and endogenous addition of ascorbate and nitrite was evaluated on protein oxidation (by measuring carbonyl groups), protein nitrosation (by measuring nitrosamines), and proteolysis...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29136948/gastroprotective-effect-and-mode-of-action-of-methanol-extract-of-sphenodesme-involucrata-var-paniculata-c-b-clarke-munir-lamiaceae-leaves-on-experimental-gastric-ulcer-models
#10
Puthanpura Sasidharan Sreeja, Karuppusamy Arunachalam, Sathyanarayanan Saikumar, Muniyandi Kasipandi, Sivaraj Dhivya, Rajan Murugan, Thangaraj Parimelazhagan
Sphenodesme involucrata var. paniculata (C. B. Clarke) Munir, endemic to South Asia, is used by tribal for alleviation from abdominal disorders, inflammation and body pain. However, the gastroprotective properties of this species have not yet been studied. The leaves of S. involucrata were extracted by Soxhlet extraction using different solvents successively and the extracts were analyzed for antioxidant and anti-Helicobacter pylori activities using different in vitro assays. The chemical composition of methanol extract of S...
November 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29133112/persistent-abdominal-pain-after-laparoscopic-cholecystectomy-is-associated-with-increased-healthcare-consumption-and-sick-leave
#11
Sarah Z Wennmacker, Marcel G W Dijkgraaf, Gert P Westert, Joost P H Drenth, Cornelis J H M van Laarhoven, Philip R de Reuver
BACKGROUND: Although, 33% to 40% of symptomatic gallstone patients reported persistent abdominal pain after laparoscopic cholecystectomy, there is no data on the burden of this pain to the healthcare system and society at large. This study determined healthcare consumption, sick leave, and costs in patients with persistent abdominal pain after laparoscopic cholecystectomy. Secondly, predictive factors for healthcare consumption were assessed. METHODS: This cross-sectional study included all 146 patients with persistent abdominal pain (patient-reported on Gastro-Intestinal Quality of Life Index (score 0-3) 24 weeks after laparoscopic cholecystectomy, derived from a previous prospective cohort...
November 10, 2017: Surgery
https://www.readbyqxmd.com/read/29117755/contribution-of-oxidative-stress-in-acute-intestinal-mucositis-induced-by-5-fluorouracil-5-fu-and-its-pro-drug-capecitabine-in-rats
#12
Kaïs Rtibi, Slimen Selmi, Dhekra Grami, Mohamed Amri, Hichem Sebai, Lamjed Marzouki
This study was designed to examine the contribution of oxidative stress in gastrointestinal disorders after an intraperitoneal administration of 5-FU (100mg/kg b.w.) and capecitabine oral administration (500mg/kg b.w.). The animals were divided into three groups: Group A (NaCl, 10ml/kg b.w.) considered as control group, group B was intoxicated by 5-FU and the group of animals (group C) treated with capecitabine (CAP). To evaluate the secretory and enteropooling effects, we were used as a hypersecretion agent (MgSO4, 1ml/100g b...
November 8, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/29114128/efficacy-of-glutathione-s-transferase-purified-antigen-of-the-gastro-intestinal-nematode-haemonchus-contortus-in-diagnosis-of-sheep-haemonchosis
#13
Omnia M Kandil, Irene S Gamil, Seham H M Hendawy, Fatma Medhat, Ola H El-Habit
Haemonchus contortus is one of the most pathogenic and economically important parasites of sheep. Different H. contortus antigens; crude somatic antigen (CSA), excretory/secretory antigen (ESA), crude larval antigen (CLA), glutathione-S-transferase antigen (GST) and recombinant protein (rhcp 26/23) were prepared and characterized using sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE) and western blot. The antigens were immunologically evaluated through indirect enzyme linked immunosorbent assay (ELISA) for diagnosis of haemonchosis in experimentally and naturally infected sheep...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29111469/an-in-silico-approach-to-determine-challenges-in-the-bioavailability-of-ciprofloxacin-a-poorly-soluble-weak-base-with-borderline-solubility-and-permeability-characteristics
#14
Simone Hansmann, Yoshihiro Miyaji, Jennifer Dressman
Ciprofloxacin is administered as the hydrochloride salt in immediate release formulations for the treatment of various infectious diseases in different patient populations. Due to its weakly basic properties and poor solubility, the in vivo behaviour of this compound could be influenced by both physicochemical and physiological factors. The first aim of this study was to investigate the behaviour of ciprofloxacin (Ciprobay® 500 mg tablets) in the human gastro-intestinal tract with in vitro dissolution, transfer and two-stage experiments...
October 27, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29108848/pharmacokinetics-pharmacodynamics-and-safety-profiling-of-is01957-a-preclinical-candidate-possessing-dual-activity-against-inflammation-and-nociception
#15
Anjna Sharma, Asmita Magotra, Ashish Dogra, Santosh Kumar Rath, Sheikh Rayees, Priya Wazir, Sadhana Sharma, Payare Lal Sangwan, Surjeet Singh, Gurdarshan Singh, Utpal Nandi
In spite of unprecedented advances in modern systems of medicine, there is necessity for exploration of traditional plant based secondary metabolites or their semisynthetic derivatives which may results in better therapeutic activity, low toxicity and favourable pharmacokinetics. In this context, computational model based predictions aid medicinal chemists in rational development of new chemical entity having unfavourable pharmacokinetic properties which is a major hurdle for its further development as a drug molecule...
November 3, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29108515/long-term-use-of-cinacalcet-in-kidney-transplant-recipients-with-hypercalcemic-secondary-hyperparathyroidism-a-single-center-prospective-study
#16
Vasileios Zavvos, Lamprini Fyssa, Marios Papasotiriou, Evangelos Papachristou, Theodoros Ntrinias, Eirini Savvidaki, Dimitrios S Goumenos
OBJECTIVES: Persistent secondary hyperparathyroidism is common after successful kidney transplant, with concomitant hypercalcemia and hypophosphatemia potentially leading to reduced graft survival and increased cardiovascular risk. Cinacalcet, a calcimimetic agent that activates the calcium-sensing receptors in parathyroid glands, is a therapeutic option. In this study, we assessed the long-term treatment effects of cinacalcet for a period of up to 5 years in a cohort of kidney transplant recipients...
October 31, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29095860/red-cell-distribution-width-as-a-novel-marker-for-predicting-high-risk-from-upper-gastro-intestinal-bleeding-patients
#17
Kyeong Ryong Lee, Sang O Park, Sin Young Kim, Dae Young Hong, Jong Won Kim, Kwang Je Baek, Dong Hyuk Shin, Young Hwan Lee
BACKGROUND: In upper gastrointestinal bleeding (UGIB) patients, early risk stratification allows appropriate therapy that may be helpful for reducing morbidity and mortality. OBJECTIVES: to evaluate the efficacy of red-cell distribution width (RDW) for prediction of high-risk in UGIB patients. METHODS: We conducted a clinical retrospective observational study based on data for UGIB patients from 2012 to 2013. The primary outcome was the high-risk UGIB, defined as those who required urgent intervention and/or 30-days mortality...
2017: PloS One
https://www.readbyqxmd.com/read/29080342/cross-talk-between-bile-acids-and-gastro-intestinal-and-thermogenic-clues-from-bariatric-surgery
#18
Gabriella Garruti, Agostino Di Ciaula, Helen H Wang, David Q-H Wang, Piero Portincasa
Obesity is rapidly increasing and has reached epidemic features worldwide. It´s linked to insulin resistance, systemic low-grade inflammation and common pathogenic pathways with a number of comorbidities (including cancer), leading to high mortality rates. Besides change of lifestyles (diet and physical exercise) and pharmacological therapy, bariatric surgery is able to rapidly improve several metabolic and morphologic features associated with excessive fat storage, and currently represents an in vivo model to study the pathogenic mechanisms underlying obesity and obesity-related complications...
October 28, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/29078666/developing-a-robotic-pancreas-program-the-dutch-experience
#19
REVIEW
Carolijn L Nota, Maurice J Zwart, Yuman Fong, Jeroen Hagendoorn, Melissa E Hogg, Bas Groot Koerkamp, Marc G Besselink, I Quintus Molenaar
Robot-assisted surgery has been developed to overcome limitations of conventional laparoscopy aiming to further optimize minimally invasive surgery. Despite the fact that robotics already have been widely adopted in urology, gynecology, and several gastro-intestinal procedures, like colorectal surgery, pancreatic surgery lags behind. Due to the complex nature of the procedure, surgeons probably have been hesitant to apply minimally invasive techniques in pancreatic surgery. Nevertheless, the past few years pancreatic surgery has been catching up...
2017: J Vis Surg
https://www.readbyqxmd.com/read/29072917/dual-level-statistical-investigation-of-equilibrium-solubility-in-simulated-fasted-and-fed-intestinal-fluid
#20
Bayan E Ainousah, Jeremy Perrier, Claire Dunn, Ibrahim Khadra, Clive G Wilson, Gavin W Halbert
The oral route is the preferred option for drug administration but contains the inherent issue of drug absorption from the gastro-intestinal tract (GIT) in order to elicit systemic activity. A pre-requisite for absorption is drug dissolution, which is dependent upon drug solubility in the variable milieu of GIT fluid, with poorly soluble drugs presenting a formulation and biopharmaceutical challenge. Multiple factors within GIT fluid influence solubility ranging from pH to the concentration and ratio of amphiphilic substances such as phospholipid, bile salt, monoglyceride and cholesterol and to aid in vitro investigation simulated intestinal fluids (SIF) covering the fasted and fed state have been developed...
October 26, 2017: Molecular Pharmaceutics
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