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Therapeutic Advances in Gastroenterology

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https://www.readbyqxmd.com/read/30013618/the-controversial-role-of-enterococcus-faecalis-in-colorectal-cancer
#1
REVIEW
Carolina Vieira de Almeida, Antonio Taddei, Amedeo Amedei
Colorectal cancer (CRC) is a complex and widespread disease, currently ranked as the third most frequent cancer worldwide. It is well known that the gut microbiota has an essential role in the initiation and promotion of different cancer types, particularly gastrointestinal tumors. In fact, bacteria can trigger chronic inflammation of the gastric mucosal, which can induce irreversible changes to intestinal epithelial cells, thus predisposing individuals to cancer. Some bacterial strains, such as Helicobacter pylori, Streptococcus bovis, Bacteroides fragilis, Clostridium septicum and Fusobacterium spp...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29977340/vedolizumab-and-early-postoperative-complications-in-nonintestinal-surgery-a-case-matched-analysis
#2
Paulo Gustavo Kotze, Christopher Ma, Nicholas Mckenna, Abdulelah Almutairdi, Gilaad G Kaplan, Laura E Raffals, Edward V Loftus, Remo Panaccione, Amy L Lightner
Background: Vedolizumab (VDZ) is a gut-specific α4-β7 integrin antagonist that has demonstrated efficacy in Crohn's disease (CD) and ulcerative colitis (UC). The safety of VDZ in the perioperative period remains unclear. The aim of this study was to evaluate postoperative complications and perioperative safety in VDZ-treated patients undergoing nonintestinal operations. Methods: A case-matched study was performed at two inflammatory bowel disease (IBD) referral centers...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29977339/high-prevalence-of-irritable-bowel-syndrome-type-symptoms-in-microscopic-colitis-implications-for-treatment
#3
John S Kane, Andrew J Irvine, Yannick Derwa, Olorunda Rotimi, Alexander C Ford
Background: Patients with microscopic colitis (MC) often present with abdominal pain and diarrhoea, and previous data suggest that there may be overlap between MC and irritable bowel syndrome (IBS). We evaluated the prevalence of IBS-type symptoms in patients with MC, and assess the impact of these symptoms on psychological health and quality of life. Methods: We conducted a cross-sectional survey of individuals with a histological diagnosis of MC, collecting demographic data, Rome III IBS-type symptoms, and mood, somatization, and quality of life data...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29942351/plecanatide-a-new-guanylate-cyclase-agonist-for-the-treatment-of-chronic-idiopathic-constipation
#4
REVIEW
Satish S C Rao
Chronic constipation affects millions of Americans, consumes significant healthcare resources, and significantly affects quality of life (QOL). Recently, several new treatment options have become available for the treatment of constipation, including intestinal secretagogues such as lubiprotone, and linaclotide, prokinetics such as prucalopride, and bile acid transporter antagonists. Plecanatide is the newest of the secretagogue class of compounds that has been approved by the US Food and Drug Administration for the treatment of adults with chronic idiopathic constipation (CIC) in the USA...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29899757/different-clinical-outcomes-in-crohn-s-disease-patients-with-esophagogastroduodenal-jejunal-and-proximal-ileal-disease-involvement-is-l4-truly-a-single-phenotype
#5
Ren Mao, Rui-Han Tang, Yun Qiu, Bai-Li Chen, Jing Guo, Sheng-Hong Zhang, Xue-Hua Li, Rui Feng, Yao He, Zi-Ping Li, Zhi-Rong Zeng, Rami Eliakim, Shomron Ben-Horin, Min-Hu Chen
Background: The Montreal classification defines L4 Crohn's disease (CD) as any disease location proximal to the terminal ileum, which anatomically includes L4-esophagogastroduodenal (EGD), L4-jejunal, and L4-proximal ileal involvement. L4-jejunal disease was established to be associated with poor prognosis. However, the outcome of patients with L4-proximal ileal disease or L4-EGD remains to be clarified. Our study aimed to investigate whether the outcome differs among CD patients with L4-EGD, L4-jejunal, and L4-proximal ileal disease...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29899756/short-term-outcomes-of-endoscopic-submucosal-dissection-for-superficial-cecal-tumors-a-comparison-between-extension-and-nonextension-into-the-appendiceal-orifice
#6
Kazuki Boda, Shiro Oka, Shinji Tanaka, Hidenori Tanaka, Kenta Matsumoto, Ken Yamashita, Kyoku Sumimoto, Daiki Hirano, Yuzuru Tamaru, Yuki Ninomiya, Nana Hayashi, Kazuaki Chayama
Background: Few studies have investigated the use of endoscopic submucosal dissection (ESD) for cecal tumors extending into the appendiceal orifice. Herein, we assessed the feasibility and safety of ESD for cecal tumors extending into the appendiceal orifice. Methods: We retrospectively examined the outcomes of ESD for 78 patients with 78 cecal tumors (male/female ratio, 40/38; mean [standard deviation, SD] age, 67 [9] years; mean [SD] tumor size, 32 [15] mm), who underwent ESD at the Hiroshima University Hospital between October 2008 and March 2016...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29881463/intestinal-ultrasound-and-management-of-small-bowel-crohn-s-disease
#7
REVIEW
Torsten Kucharzik, Christian Maaser
As Crohn's disease (CD) is predominantly located within the small bowel, imaging of the small bowel plays an intriguing role in the primary diagnosis as well as in the monitoring of patients with CD. Intestinal ultrasound (IUS) offers several advantages over endoscopy and other imaging modalities. Obvious advantages of IUS include noninvasiveness, rapid availability and cost effectiveness. IUS has been shown to have high accuracy in detecting small bowel CD and determining intra- and extramural complications such as stenoses, fistulae and abscesses...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29872455/proton-pump-inhibitors-among-adults-a-nationwide-drug-utilization-study
#8
Óskar Ö Hálfdánarson, Anton Pottegård, Einar S Björnsson, Sigrún H Lund, Margret H Ogmundsdottir, Eiríkur Steingrímsson, Helga M Ogmundsdottir, Helga Zoega
Background: The use of proton-pump inhibitors (PPIs) has grown worldwide, and there are concerns about increased unsubstantiated long-term use. The aim of the study was to describe the real-world use of PPIs over the past decade in an entire national population. Methods: This was a nationwide population-based drug-utilization study. Patterns of outpatient PPI use among adults in Iceland between 2003 and 2015 were investigated, including annual incidence and prevalence, duration of use, and dose of tablet used (lower versus higher), as well as the proportion of PPI use attributable to gastroprotection...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29872454/impact-of-an-optimized-colonoscopic-screening-program-for-patients-with-lynch-syndrome-6-year-results-of-a-specialized-french-network
#9
Guillaume Perrod, Elia Samaha, Gabriel Rahmi, Sherine Khater, Leila Abbes, Camille Savale, Geraldine Perkins, Aziz Zaanan, Gilles Chatellier, Georgia Malamut, Christophe Cellier
Background: Despite colonoscopic screening, colorectal cancer (CRC) remains frequent in patients with Lynch syndrome (LS). The objective of this study was to evaluate the impact of an optimized colorectal screening program within a French dedicated network. Methods: All LS patients followed at our institution were consecutively included in the Prédisposition au Cancer Colorectal-Ile de France (PRED-IdF) network. Patients were offered an optimized screening program allowing an adjustment of the interval between colonoscopies, depending on bowel preparation, chromoendoscopy achievement and adenoma detection...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29872453/not-only-stem-cells-but-also-mature-cells-particularly-neuroendocrine-cells-may-develop-into-tumours-time-for-a-paradigm-shift
#10
REVIEW
Helge L Waldum, Kjell Öberg, Øystein F Sørdal, Arne K Sandvik, Bjørn I Gustafsson, Patricia Mjønes, Reidar Fossmark
Stem cells are considered the origin of neoplasms in general, and malignant tumours in particular, and the stage at which the stem cells stop their differentiation determines the degree of malignancy. However, there is increasing evidence supporting an alternative paradigm. Tumours may develop by dedifferentiation from mature cells able to proliferate. Studies of gastric carcinogenesis demonstrate that mature neuroendocrine (NE) cells upon long-term overstimulation may develop through stages of hyperplasia, dysplasia, and rather benign tumours, into highly malignant carcinomas...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29854001/innovation-in-the-imaging-perianal-fistula-a-step-towards-personalised-medicine
#11
Kapil Sahnan, Samuel O Adegbola, Philip J Tozer, Uday Patel, Rajpandian Ilangovan, Janindra Warusavitarne, Omar D Faiz, Ailsa L Hart, Robin K S Phillips, Phillip F C Lung
Background: Perianal fistula is a topic both hard to understand and to teach. The key to understanding the treatment options and the likely success is deciphering the exact morphology of the tract(s) and the amount of sphincter involved. Our aim was to explore alternative platforms better to understand complex perianal fistulas through three-dimensional (3D) imaging and reconstruction. Methods: Digital imaging and communications in medicine images of spectral attenuated inversion recovery magnetic resonance imaging (MRI) sequences were imported onto validated open-source segmentation software...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29844795/management-of-colonic-diverticular-disease-in-the-third-millennium-highlights-from-a-symposium-held-during-the-united-european-gastroenterology-week-2017
#12
REVIEW
Carmelo Scarpignato, Giovanni Barbara, Angel Lanas, Lisa L Strate
Diverticulosis is a common anatomical condition, which appears to be age-dependent. Individuals who develop chronic gastrointestinal symptoms or complications are referred to as having diverticular disease. Although the diagnosis of this condition can be relatively straightforward, randomized controlled trials are scarce and management often follows tradition rather than principles of evidence-based medicine. This report deals with the topics discussed during a symposium held during the United European Gastroenterology Week (Barcelona, October 2017)...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29774052/therapeutic-drug-monitoring-of-vedolizumab-in-inflammatory-bowel-disease-current-data-and-future-directions
#13
REVIEW
Mark G Ward, Miles P Sparrow, Xavier Roblin
The introduction of vedolizumab, a lymphocyte adhesion inhibitor, has expanded the relatively limited therapeutic armamentarium available for Crohn's disease and ulcerative colitis. Despite its effectiveness, both primary nonresponse and secondary loss of response to vedolizumab do occur, as is observed with the use of anti-tumour necrosis factor (TNF) therapy. Further, in a proportion, onset of efficacy may be relatively slow. A large body of data support an exposure-response relationship with anti-TNF drug levels, which has led to therapeutic drug monitoring becoming incorporated into everyday clinical management...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29774051/alosetron-use-in-clinical-practice-significant-improvement-in-irritable-bowel-syndrome-symptoms-evaluated-using-the-us-food-and-drug-administration-composite-endpoint
#14
Brian E Lacy, Jean Paul Nicandro, Emil Chuang, David L Earnest
Background: Alosetron is approved to treat women with severe IBS and diarrhea (IBS-D) who have failed standard therapy. In our study, we aimed to evaluate alosetron efficacy using new US Food and Drug Administration (FDA) endpoints and utilization in clinical practice. Methods: This prospective, open-label, multicenter, observational 12-week study evaluated women with severe IBS-D enrolled in the alosetron prescribing program. The coprimary FDA endpoints were changes from baseline in stool consistency and abdominal pain severity...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29760785/monitoring-crohn-s-disease-activity-endoscopy-fecal-markers-and-computed-tomography-enterography
#15
Susana Lopes, Patrícia Andrade, Joana Afonso, Rui Cunha, Eduardo Rodrigues Pinto, Isabel Ramos, Guilherme Macedo, Fernando Magro
Background: The treatment goal of Crohn's disease (CD) has moved towards achieving mucosal healing, resolution of transmural inflammation, and normalization of biomarkers. The purpose of this study was to evaluate how well computed tomography enterography (CTE) and fecal calprotectin (FC) correlated with endoscopic activity in newly diagnosed patients with CD and after 1 year of therapy. Methods: Consecutive patients with newly diagnosed CD were evaluated by endoscopy, CTE, and FC at diagnosis and 12 months after beginning immunosuppression...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29760784/practical-guidance-for-the-management-of-iron-deficiency-in-patients-with-inflammatory-bowel-disease
#16
REVIEW
Dorothea Niepel, Thomas Klag, Nisar P Malek, Jan Wehkamp
Iron deficiency or iron deficiency anemia (IDA) are some of the most common systemic complications of inflammatory bowel diseases (IBD). Symptoms such as fatigue, reduced ability to concentrate and reduced exercise tolerance can mimic common symptoms of IBD and can therefore easily be overseen. Furthermore, clinicians tend to see mild to moderate anemia as an inevitable accompaniment of IBD that is sufficiently explained by the underlying disease and does not require further workup. But in contrast to these clinical routines, current guidelines recommend that any degree of anemia in patients with IBD should be further evaluated and treated...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29760783/minor-digestive-symptoms-and-their-impact-in-the-general-population-a-cluster-analysis-approach
#17
Diane L'Heureux-Bouron, Sophie Legrain-Raspaud, Helen R Carruthers, P J Whorwell
Background: The classification and treatment of patients who do not meet the criteria for a functional gastrointestinal (GI) disorder has not been well established. This study aimed to record the prevalence of minor digestive symptoms (MDSs) in the general population attempting to divide them into symptom clusters as well as trying to assess their impact and the way sufferers cope with them. Methods: Following face-to-face interviews, a web-based, self-administered questionnaire was designed to capture a range of GI sensations using 34 questions and 12 images depicting abdominal symptoms...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29707039/emerging-concepts-in-non-invasive-monitoring-of-crohn-s-disease
#18
REVIEW
Wojciech Marlicz, Karolina Skonieczna-Żydecka, Konstantinos John Dabos, Igor Łoniewski, Anastasios Koulaouzidis
Inflammatory bowel disease (IBD) is an umbrella term for Crohn's disease (CD) and ulcerative colitis (UC). In light of evolving epidemiology of CD, its clinical management is still complex and remains a challenge for contemporary physicians. With the advent of new diagnostic and treatment paradigms, there is a growing need for new biomarkers to guide decision-making, differential diagnosis, disease activity monitoring, as well as prognosis. However, both clinical and endoscopic scoring systems, widely utilized for disease monitoring and prognosis, have drawbacks and limitations...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29686731/a-review-of-magnetic-resonance-enterography-based-indices-for-quantification-of-crohn-s-disease-inflammation
#19
REVIEW
Noa Rozendorn, Marianne Michal Amitai, Rami Abraham Eliakim, Uri Kopylov, Eyal Klang
Magnetic resonance enterography (MRE) is a leading radiological modality in Crohn's disease (CD) and is used together with laboratory findings and endoscopic examinations for the evaluation of patients during initial diagnosis and follow up. Over the years, there has been great progress in the understanding of CD and there is a continuous strive to achieve better monitoring of patients and to develop new modalities which will predict disease course and thus help in clinical decisions making. An objective evaluation of CD using a quantification score is not a new concept and there are different clinical, endoscopies, radiological and combined indices which are used in clinical practice...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29662538/the-accuracy-of-intestinal-ultrasound-compared-with-small-bowel-capsule-endoscopy-in-assessment-of-suspected-crohn-s-disease-in-patients-with-negative-ileocolonoscopy
#20
Dan Carter, Lior H Katz, Eytan Bardan, Eti Salomon, Shulamit Goldstein, Shomron Ben Horin, Uri Kopylov, Rami Eliakim
Background: Small bowel involvement in Crohn's disease (CD) is frequently proximal to the ileocecal valve and inaccessible by conventional ileocolonoscopy (IC). Small bowel capsule endoscopy (SBCE) is among the prime modalities for assessment of small bowel disease in these patients. Intestinal ultrasound (IUS) is an accurate bedside fast and low-cost diagnostic modality utilized in CD for both diagnosis and monitoring. The aim of this study was to examine the accuracy of IUS in patients with suspected CD after a negative IC, and to evaluate the correlation of IUS with SBCE, inflammatory biomarkers and other cross-sectional imaging techniques...
2018: Therapeutic Advances in Gastroenterology
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