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Clinical and Translational Gastroenterology

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https://www.readbyqxmd.com/read/28914262/transmembrane-tnf-%C3%AE-density-but-not-soluble-tnf-%C3%AE-level-is-associated-with-primary-response-to-infliximab-in-inflammatory-bowel-disease
#1
Azade Amini Kadijani, Hamid Asadzadeh Aghdaei, Dario Sorrentino, Alireza Mirzaei, Shabnam Shahrokh, Hedieh Balaii, Vu Q Nguyen, Jessica L Mays, Mohammad Reza Zali
OBJECTIVES: Anti-tumor necrosis factor (TNF)-α agents like Infliximab (IFX) are effective in the treatment of inflammatory bowel diseases (IBDs) and are widely used. However, a considerable number of patients do not respond or lose response to this therapy. Preliminary evidence suggests that transmembrane TNF-α (tmTNF-α) might be linked to response to IFX by promoting reverse signaling-induced apoptosis in inflammatory cells. The main aim of this study was the evaluation of this hypothesis in primary IFX non-responders...
September 14, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28858292/endoscopic-drainage-of-50-of-liver-in-malignant-hilar-biliary-obstruction-using-metallic-or-fenestrated-plastic-stents
#2
Tossapol Kerdsirichairat, Mustafa A Arain, Rajeev Attam, Brooke Glessing, Yan Bakman, Stuart K Amateau, Martin L Freeman
OBJECTIVES: Endoscopic drainage of complex hilar tumors has generally resulted in poor outcomes. Drainage of >50% of liver volume has been proposed as optimal, but not evaluated using long multifenestrated plastic stents (MFPS) or self-expanding metal stents (SEMS). We evaluated outcomes of endoscopic drainage of malignant hilar strictures using optimal strategy and stents, and determined factors associated with stent patency, survival, and complications. METHODS: Cross-sectional study was conducted at an academic center over 5 years...
August 31, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28858291/epidemiology-and-natural-history-of-primary-biliary-cholangitis-in-the-chinese-a-territory-based-study-in-hong-kong-between-2000-and-2015
#3
Ka-Shing Cheung, Wai-Kay Seto, James Fung, Ching-Lung Lai, Man-Fung Yuen
OBJECTIVES: Studies on the epidemiology of primary biliary cholangitis (PBC) in the Chinese population are lacking. We aimed to determine the epidemiology of PBC in Hong Kong (HK) with a population of 7.3 million. METHODS: We retrieved data from the electronic database of the HK Hospital Authority, the only public healthcare provider in Hong Kong. PBC cases between 2000 and 2015 were identified by International Classification of Diseases (ICD)-9 code. We estimated the age-/sex-adjusted incidence rate and prevalence of PBC, and analyzed the adverse outcomes (hepatocellular carcinoma (HCC), liver transplantation, and death)...
August 31, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28817113/clinical-and-histologic-mimickers-of-celiac-disease
#4
REVIEW
Amrit K Kamboj, Amy S Oxentenko
Celiac disease is an autoimmune disorder of the small bowel, classically associated with diarrhea, abdominal pain, and malabsorption. The diagnosis of celiac disease is made when there are compatible clinical features, supportive serologic markers, representative histology from the small bowel, and response to a gluten-free diet. Histologic findings associated with celiac disease include intraepithelial lymphocytosis, crypt hyperplasia, villous atrophy, and a chronic inflammatory cell infiltrate in the lamina propria...
August 17, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28796231/impact-of-fecal-hb-levels-on-advanced-neoplasia-detection-and-the-diagnostic-miss-rate-for-colorectal-cancer-screening-in-high-risk-vs-average-risk-subjects-a-multi-center-study
#5
Satimai Aniwan, Thawee Ratanachu-Ek, Supot Pongprasobchai, Julajak Limsrivilai, Ong-Ard Praisontarangkul, Pises Pisespongsa, Pisaln Mairiang, Apichat Sangchan, Jaksin Sottisuporn, Naruemon Wisedopas, Pinit Kullavanijaya, Rungsun Rerknimitr
OBJECTIVES: The Asia-Pacific Colorectal Screening (APCS) scoring system was developed to identify high-risk subjects for advanced neoplasia. However, the appropriate fecal immunochemical test (FIT) cutoff for high-risk population may be different from that of average-risk population. We aimed to evaluate the FIT performance at different cutoffs in high-risk subjects undergoing colorectal cancer (CRC) screening. METHODS: We prospectively enrolled asymptomatic subjects aged 50-75 years...
August 10, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28771242/pancreatic-and-intestinal-function-post-roux-en-y-gastric-bypass-surgery-for-obesity
#6
Stephen J D O'Keefe, Tina Rakitt, Junhai Ou, Ihab I El Hajj, Elizabeth Blaney, Kishore Vipperla, Jens-Jules Holst, Jens Rehlfeld
OBJECTIVES: Despite the fact that the most effective treatment for morbid obesity today is gastric bypass surgery, some patients develop life-threatening nutritional complications associated with their weight loss. METHODS: Here we examine the influence of the altered anatomy and digestive physiology on pancreatic secretion and fat absorption. Thirteen post Roux-en-Y gastric bypass (RYGB) patients who had lost >100 lbs in the first year following surgery and who gave variable histories of gastrointestinal (GI) dysfunction, were selected for study...
August 3, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28771241/efficacy-and-safety-of-endoscopic-resection-followed-by-chemoradiotherapy-for-superficial-esophageal-squamous-cell-carcinoma-a-retrospective-study
#7
Kenta Hamada, Ryu Ishihara, Yasushi Yamasaki, Noboru Hanaoka, Sachiko Yamamoto, Masamichi Arao, Sho Suzuki, Taro Iwatsubo, Minoru Kato, Yusuke Tonai, Satoki Shichijo, Noriko Matsuura, Hiroko Nakahira, Takashi Kanesaka, Tomofumi Akasaka, Yoji Takeuchi, Koji Higashino, Noriya Uedo, Hiroyasu Iishi, Naoyuki Kanayama, Takero Hirata, Yoshifumi Kawaguchi, Koji Konishi, Teruki Teshima
OBJECTIVES: The reported 1- and 3-year overall survival rates after esophagectomy for stage I superficial esophageal squamous cell carcinoma (SESCC) are 95-97% and 86%, and those after definitive chemoradiotherapy (CRT) are 98% and 89%, respectively. This study was performed to elucidate the efficacy and safety of another treatment option for SESCC: endoscopic resection (ER) followed by CRT. METHODS: We retrospectively reviewed the overall survival, recurrence, and grade ≥3 adverse events of consecutive patients who refused esophagectomy and underwent ER followed by CRT for SESCC from 1 January 2006 to 31 December 2012...
August 3, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28771240/selecting-a-cut-off-for-colorectal-cancer-screening-with-a-fecal-immunochemical-test
#8
Hermann Brenner, Simone Werner
OBJECTIVES: Fecal immunochemical tests (FITs) for hemoglobin (Hb) are increasingly used for colorectal cancer (CRC) screening. However, cut-offs for defining test positivity are varying widely. We aimed to evaluate the impact of cut-off selection on key indicators of diagnostic performance in a true screening setting. METHODS: We evaluated diagnostic performance of FOB Gold, a widely used quantitative FIT, for detecting advanced neoplasms (AN) across a wide range of possible cut-offs among 1822 participants of screening colonoscopy aged 50-79 years in Germany...
August 3, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28749455/primary-biliary-cholangitis-alters-functional-connections-of-the-brain-s-deep-gray-matter
#9
Victoria A L Mosher, Mark G Swain, Jack X Q Pang, Gilaad G Kaplan, Keith A Sharkey, Glenda M MacQueen, Bradley G Goodyear
OBJECTIVES: Fatigue, itch, depressed mood, and cognitive impairment significantly impact the quality of life of many patients with primary biliary cholangitis (PBC). Previous neuroimaging studies of non-hepatic diseases suggest that these symptoms are often associated with dysfunction of deep gray matter brain regions. We used resting-state functional magnetic resonance imaging (rsfMRI) to determine whether PBC patients exhibit altered functional connections of deep gray matter. METHODS: Twenty female non-cirrhotic PBC patients and 21 age/gender-matched controls underwent rsfMRI...
July 27, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28749454/the-association-of-low-penetrance-variants-in-dna-repair-genes-with-colorectal-cancer-a-systematic-review-and-meta-analysis
#10
Nikhil Aggarwal, Neil D Donald, Salim Malik, Subothini S Selvendran, Mark Jw McPhail, Kevin J Monahan
OBJECTIVES: Approximately 35% of colorectal cancer (CRC) risk is attributable to heritable factors known hereditary syndromes, accounting for 6%. The remainder may be due to lower penetrance polymorphisms particularly of DNA repair genes. DNA repair pathways, including base excision repair (BER), nucleotide excision repair (NER), mismatch repair (MMR), direct reversal repair (DRR), and double-strand break repair are complex, evolutionarily conserved, and critical in carcinogenesis. Germline mutations in these genes are associated with high-penetrance CRC syndromes such as Lynch syndrome...
July 27, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28749453/mindfulness-based-stress-reduction-therapy-improves-patient-and-caregiver-reported-outcomes-in-cirrhosis
#11
Jasmohan S Bajaj, Michael Ellwood, Timothy Ainger, Thomas Burroughs, Andrew Fagan, Edith A Gavis, Douglas M Heuman, Michael Fuchs, Binu John, James B Wade
OBJECTIVES: Patient-reported outcomes such as health-related quality of life (HRQOL) are impaired in cirrhosis due to under-treated mood and sleep disorders, which can adversely impact their caregivers. Mindfulness-based stress reduction (MBSR) can improve patient-reported outcomes (PRO) in non-cirrhotic patients but their impact in cirrhosis is unclear. To evaluate the effect of MBSR and supportive group therapy on mood, sleep and HRQOL in cirrhotic patients and their caregivers. METHODS: Cirrhotic outpatients with mild depression (Beck Depression Inventory (BDI)>14) on screening with an adult caregiver were enrolled...
July 27, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28703786/fistulizing-crohn-s-disease
#12
Michael Scharl, Gerhard Rogler, Luc Biedermann
Fistulas still represent one of the most important complications in patients with Crohn's disease (CD). At least one third of CD patients suffer from fistulas during their disease course and amongst them longstanding remission of complex fistulas occurs only in about one third. So far, fistula pathogenesis is only partially understood. From a histopathological view, a fistula is a tube covered by flat epithelial cells. Current research suggests that the driving force for fistula development is epithelial-to-mesenchymal transition (EMT)...
July 13, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28662023/a-randomized-controlled-trial-of-glycyrrhizin-plus-tenofovir-vs-tenofovir-in-chronic-hepatitis-b-with-severe-acute-exacerbation
#13
Chao-Hung Hung, Kwong-Ming Kee, Chih-Hung Chen, Po-Lin Tseng, Ming-Chao Tsai, Chien-Hung Chen, Jing-Houng Wang, Kuo-Chin Chang, Yuan-Hung Kuo, Yi-Hao Yen, Tsung-Hui Hu, Sheng-Nan Lu
OBJECTIVES: Severe acute exacerbation (SAE) of chronic hepatitis B (CHB) may progress to liver failure with high potential mortality despite the prompt treatment with nucleos(t)ide analogs. This study aimed to evaluate the efficacy and safety of glycyrrhizin in the treatment of CHB with SAE. METHODS: Sixty patients with SAE of CHB were randomly treated with tenofovir plus intravenous glycyrrhizin (group A, n=30) or with tenofovir alone (group B, n=30). Primary end points were the improvement of serum levels of aspartate aminotransferase (AST) and alanine aminotransferase (ALT) and model for end-stage liver disease (MELD) score...
June 29, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28662022/impaired-esophageal-motility-and-clearance-post-lung-transplant-risk-for-chronic-allograft-failure
#14
Anupong Tangaroonsanti, Augustine S Lee, Michael D Crowell, Marcelo F Vela, Daryl R Jones, David Erasmus, Cesar Keller, Jorge Mallea, Francisco Alvarez, Cristina Almansa, Kenneth R DeVault, Lesley A Houghton
OBJECTIVES: Gastroesophageal reflux is common in patients post-lung transplantation (LTx) and thus considered a risk factor for aspiration and consequently allograft rejection and the development of chronic allograft failure. However, evidence supporting this remains unclear and often contradictory. Our aim was to examine the role played by esophageal motility on gastroesophageal reflux exposure, along with its clearance and that of boluses swallowed, and the relationship to development of obstructive chronic lung allograft dysfunction (o-CLAD)...
June 29, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28662021/the-role-of-vitamin-d-and-vitamin-d-receptors-in-colon-cancer
#15
Jun Sun
No abstract text is available yet for this article.
June 29, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28662020/hormonal-management-of-small-bowel-failure
#16
Kumkum S Patel, Robert Carroll
No abstract text is available yet for this article.
June 29, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28640288/prognostic-factors-for-transplant-free-survival-and-validation-of-prognostic-models-in-chinese-patients-with-primary-biliary-cholangitis-receiving-ursodeoxycholic-acid
#17
Ka-Shing Cheung, Wai-Kay Seto, James Fung, Ching-Lung Lai, Man-Fung Yuen
OBJECTIVES: We aimed to validate the prognostic models for primary biliary cholangitis (PBC) in Chinese patients receiving ursodeoxycholic acid (UCDA), and to compare their performances in predicting the long-term survival. METHODS: Chinese patients with PBC from a tertiary center were identified via electronic search of hospital medical registry. Risk factors associated with adverse events (liver transplantation or death from liver-related causes including hepatocellular carcinoma (HCC) and liver decompensation) were determined...
June 22, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28640287/cost-effectiveness-of-risk-score-stratified-hepatocellular-carcinoma-screening-in-patients-with-cirrhosis
#18
Nicolas Goossens, Amit G Singal, Lindsay Y King, Karin L Andersson, Bryan C Fuchs, Cecilia Besa, Bachir Taouli, Raymond T Chung, Yujin Hoshida
OBJECTIVES: Hepatocellular carcinoma (HCC) surveillance with biannual ultrasound is currently recommended for all patients with cirrhosis. However, clinical implementation of this "one-size-fits-all" approach is challenging as evidenced by its low application rate. We aimed to evaluate the cost-effectiveness of risk-stratified HCC surveillance strategies in patients with cirrhosis. METHODS: A Markov decision-analytic modeling was performed to simulate a cohort of 50-year-old subjects with compensated cirrhosis...
June 22, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28617448/diminishing-effectiveness-of-long-term-maintenance-topical-steroid-therapy-in-ppi-non-responsive-eosinophilic-esophagitis
#19
Swathi Eluri, Thomas M Runge, Jason Hansen, Bharati Kochar, Craig C Reed, Benjamin S Robey, John T Woosley, Nicholas J Shaheen, Evan S Dellon
OBJECTIVES: While topical corticosteroids are first-line therapy for eosinophilic esophagitis (EoE), the data regarding long-term effectiveness are lacking. We aimed to determine long-term histologic and endoscopic outcomes of maintenance therapy in EoE steroid responders. METHODS: We performed a retrospective study of adults with EoE at UNC Hospitals who had initial histologic response (<15 eos/hpf) after 8 weeks of topical steroids, and maintained on therapy...
June 15, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28617447/targeting-the-vasculature-in-hepatocellular-carcinoma-treatment-starving-versus-normalizing-blood-supply
#20
Ken Liu, Xiang Zhang, Weiqi Xu, Jinbiao Chen, Jun Yu, Jennifer R Gamble, Geoffrey W McCaughan
Traditional treatments for intermediate or advanced stage hepatocellular carcinoma (HCC) such as transarterial chemoembolization (TACE) and anti-angiogenesis therapies were developed to starve tumor blood supply. A new approach of normalizing structurally and functionally abnormal tumor vasculature is emerging. While TACE improves survival in selected patients, the resulting tumor hypoxia stimulates proliferation, angiogenesis, treatment resistance and metastasis, which limits its overall efficacy. Vessel normalization decreases hypoxia and improves anti-tumor immune infiltrate and drug delivery...
June 15, 2017: Clinical and Translational Gastroenterology
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