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Barrett's esophagus

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https://www.readbyqxmd.com/read/28819902/ablation-therapy-for-barrett-s-esophagus-new-rules-for-changing-times
#1
REVIEW
Nour Hamade, Prateek Sharma
PURPOSE OF REVIEW: In this review, we discuss different endoscopic techniques in the eradication of Barrett's esophagus (BE) as well as some controversies in the field of treatment. RECENT FINDINGS: Patients with T1a esophageal adenocarcinoma and BE of high-grade dysplasia should undergo endoscopic ablative therapy. The most studied technique to date is radiofrequency ablation. It can be combined with endoscopic mucosal resection in cases containing nodular and flat lesions...
August 17, 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28816408/endoscopic-treatment-of-barrett-s-esophagus-what-can-we-learn-from-the-western-perspective
#2
REVIEW
Yuto Shimamura, Yugo Iwaya, Kenichi Goda, Christopher W Teshima
The incidence of Barrett's esophagus (BE) related neoplasia in Western countries has increased in the past several decades, and even in Eastern countries, it appears to be increasing. Endoscopic therapies are the first-line treatment for BE-related neoplasia, however there is still no standardized treatment strategy. Most of the data have been published from Western countries where the ultimate goal of treatment is complete eradication of BE mucosa removing subtle synchronous lesions and preventing metachronous neoplasia...
August 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28815063/the-impact-of-flexible-endoscopy-in-esophageal-surgery
#3
REVIEW
Alejandro Nieponice, Fabio Nachman, Adolfo Badaloni, Franco Ciotola, Cecilia Zubieta, Mauricio Ramirez
Achalasia and Treatment of esophageal Adenocarcinoma are commonly associated to surgical resection. Newer technologies in interventional endoscopy gave way to a substantial paradigm shift in the management of these conditions. In the case of achalasia, endoscopic myotomy is rapidly displacing Heller's myotomy as the gold standard in many centers. Early stage neoplasia in Barrett's esophagus (BE) comprising high-grade dysplasia (HGD), intramucosal and, in some cases, submucosal carcinoma is now being treated without the need of esophagectomy...
July 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28803334/surgical-approaches-to-adenocarcinoma-of-the-gastroesophageal-junction-the-siewert-ii-conundrum
#4
REVIEW
Andrew M Brown, Danica N Giugliano, Adam C Berger, Michael J Pucci, Francesco Palazzo
BACKGROUND: The Siewert classification system for gastroesophageal junction adenocarcinoma has provided morphological and topographical information to help guide surgical decision-making. Evidence has shown that Siewert I and III tumors are distinct entities with differing epidemiologic and histologic characteristics and distinct patterns of disease progression, requiring different treatment. Siewert II tumors share some of the characteristics of type I and III lesions, and the surgical approach is not universally agreed upon...
August 12, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28798532/adenocarcinoma-of-barrett-s-esophagus-in-a-dog
#5
James K Chambers, Tsubasa Saito, Kenjiro Fukushima, Shigeru Kakuta, Jun Nakayama, Koichi Ohno, Hajime Tsujimoto, Hiroyuki Nakayama, Kazuyuki Uchida
An endoscopic examination revealed a mass in the distal esophagus of a 9-year-old intact male bulldog. Histopathologically, the mass was composed of cuboidal to columnar neoplastic epithelial cells and extended from the squamous epithelium of the esophageal mucosa, indicating that the tumor was derived from Barrett's esophagus. Moreover, highly atypical foci that exhibited a cribriform pattern and high mitotic indices were also observed. The epithelial cells on the surface of the lesion often produced mucus that was positive for Alcian blue and immunohistochemically positive for MUC5AC...
July 2017: Journal of Toxicologic Pathology
https://www.readbyqxmd.com/read/28791328/a-feasibility-study-of-photoacoustic-imaging-of-ex-vivo-endoscopic-mucosal-resection-tissues-from-barrett-s-esophagus-patients
#6
Liang Lim, Catherine J Streutker, Norman Marcon, Maria Cirocco, Alexandra Lao, Vladimir V Iakovlev, Ralph DaCosta, Brian C Wilson
BACKGROUND AND STUDY AIMS : Accurate endoscopic detection of dysplasia in patients with Barrett's esophagus (BE) remains a major clinical challenge. The current standard is to take multiple biopsies under endoscopic image guidance, but this leaves the majority of the tissue unsampled, leading to significant risk of missing dysplasia. Furthermore, determining whether there is submucosal invasion is essential for proper staging. Hence, there is a clinical need for a rapid in vivo wide-field imaging method to identify dysplasia in BE, with the capability of imaging beyond the mucosal layer...
August 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28781790/somatic-brca1-associated-protein-1-bap1-loss-is-an-early-and-rare-event-in-esophageal-adenocarcinoma
#7
Heike Loeser, Dirk Waldschmidt, Fabian Kuetting, Simon Schallenberg, Thomas Zander, Elfriede Bollschweiler, Arnulf Hoelscher, Katharina Weckermann, Patrick Plum, Hakan Alakus, Reinhard Buettner, Alexander Quaas
Esophageal cancer is the eighth most common malignant tumor worldwide, and the number of incidences of esophageal adenocarcinoma is increasing in the Western world. Despite improvements in perioperative treatment, the overall survival rate of patients with esophageal adenocarcinoma remains poor. Breast cancer type 1 susceptibility protein (BRCA1)-associated protein (BAP1) is located on chromosome 3p21, and it is an enzyme with ubiquitin carboxyl hydrolase activity that regulates cell growth. It interacts with BRCA1, and the nuclear localization of BAP1 is required for its tumor suppressor function...
August 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28780073/the-epidemiology-of-esophageal-adenocarcinoma
#8
Helen G Coleman, Shao-Hua Xie, Jesper Lagergren
The incidence of esophageal adenocarcinoma (EAC) has increased in many Western countries, and is higher in men than women. Some risk factors for EAC have been identified-mainly gastroesophageal reflux disease (GERD), Barrett's esophagus, obesity, and tobacco smoking. It is not clear whether interventions to address these factors can reduce risk of EAC, although some evidence exists for smoking cessation. Although consumption of alcohol is not associated with EAC risk, other exposures, such as physical activity, nutrition, and medication use, require further study...
August 2, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28777465/basal-progenitor-cells-bridge-the-development-malignant-cancers-and-multiple-diseases-of-esophagus
#9
REVIEW
Baoshun Lin, Fuan Xie, Zhangwu Xiao, Xiaoqian Hong, Liming Tian, Kuancan Liu
The esophagus is a pivotal organ originating from anterior foregut that links the mouth and stomach. Moreover, its development involves precise regulation of multiple signal molecules and signal transduction pathways. After abnormal regulation of these molecules in the basal cells of the esophagus occurs, multiple diseases, including esophageal atresia with or without tracheoesophageal fistula, Barrett esophagus, gastroesophageal reflux, and eosinophilic esophagitis, will take place as a result. Furthermore, expression changes of signal molecules or signal pathways in basal cells and the microenvironment around basal cells both can initiate the switch of malignant transformation...
August 4, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28770555/efficacy-of-liquid-nitrogen-cryotherapy-for-barrett-s-esophagus-after-endoscopic-resection-of-intramucosal-cancer-a-multicenter-study
#10
Arvind J Trindade, Douglas K Pleskow, Neil Sengupta, Shivangi Kothari, Sumant Inamdar, Joshua Berkowitz, Vivek Kaul
BACKGROUND AND AIM: Liquid nitrogen cryotherapy (LNC) allows increased depth of ablation compared to radiofrequency ablation (RFA) in Barrett's esophagus (BE). Expert centers may use LNC over RFA to ablate Barrett's esophagus after endoscopic resection of intramucosal cancer (IMCA). The aim of our study was to: 1) evaluate the safety and efficacy of LNC ablation in patients with BE and IMCA and 2) to evaluate the progression to invasive disease despite therapy. METHODS: This was a multicenter, retrospective study of consecutive patients with BE who received LNC following endoscopic mucosal resection (EMR) of IMCA...
August 2, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28768960/circumferential-locations-of-different-shapes-of-short-segment-barrett-s-esophagus
#11
Kyoichi Adachi, Tomoko Mishiro, Shino Tanaka, Yoshikazu Kinoshita
Objective To clarify the relationship between the shape and circumferential location of non-circumferential short-segment Barrett's esophagus (SSBE). Methods We examined 3,788 subjects (2,497 males, 1,291 females; mean age 52.4 years) who underwent upper GI endoscopy as part of a detailed medical checkup. The presence of columnar-appearing mucosa ≥10 mm long in the distal esophagus was diagnosed as BE and then divided into circumferential and non-circumferential localized types. Localized SSBE was further divided into round and sharp types based on the shape of the proximal margin...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28766563/editorial-the-effect-of-bias-on-estimation-of-improved-survival-after-diagnosis-of-barrett-s-esophagus
#12
Liam Zakko, Kavel Visrodia, Kenneth K Wang, Prasad G Iyer
Adjustments for lead and length time bias has been used when examining apparent survival advantages from screening procedures. However, these estimates depend on several assumptions and are modeled from malignancies that are fairly common and large cohorts are available. In smaller retrospective cohorts, adjustments themselves may be based on estimates that may not be biological nor statistically accurate, which can lead to divergent results as has been found in several recent studies of screening in Barrett's esophagus...
August 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28765700/endoscopy-is-of-low-yield-in-the-identification-of-gastrointestinal-neoplasia-in-patients-with-dermatomyositis-a-cross-sectional-study
#13
Trilokesh D Kidambi, Gabriela Schmajuk, Andrew J Gross, James W Ostroff, Jonathan P Terdiman, Jeffrey K Lee
AIM: To determine the prevalence of gastrointestinal neoplasia among dermatomyositis patients who underwent an esophagogastroduodenoscopy and/or colonoscopy. METHODS: A cross-sectional study examining the results of upper endoscopy and colonoscopy in adults with dermatomyositis at an urban, university hospital over a ten year period was performed. Chart review was performed to confirm the diagnosis of dermatomyositis. Findings on endoscopy were collected and statistical analyses stratified by age and presence of symptoms were performed...
July 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28757316/increased-detection-of-barrett-s-esophagus-associated-neoplasia-using-wide-area-trans-epithelial-sampling-a-multicenter-prospective-randomized-trial
#14
Prashanth R Vennalaganti, Vivek Kaul, Kenneth K Wang, Gary W Falk, Nicholas J Shaheen, Anthony Infantolino, David A Johnson, Glenn Eisen, Lauren B Gerson, Michael S Smith, Prasad G Iyer, Charles J Lightdale, Felice Schnoll-Sussman, Neil Gupta, Seth A Gross, Julian Abrams, Gregory B Haber, Ram Chuttani, Douglas K Pleskow, Shivangi Kothari, John R Goldblum, Yaxia Zhang, Prateek Sharma
BACKGROUND AND AIMS: Wide-area transepithelial sampling (WATS) with computer-assisted 3-dimensional analysis is a sampling technique that combines abrasive brushing of the Barrett's esophagus (BE) mucosa followed by neural network analysis to highlight abnormal-appearing cells. METHODS: We performed a randomized trial of referral BE patients undergoing surveillance at 16 medical centers. Subjects received either biopsy followed by WATS, or vice versa. The primary outcome was rate of detection of HGD/EAC using WATS in conjunction with biopsy compared with biopsy alone using standard histopathologic criteria...
July 27, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28753185/pediatric-gastroesophageal-reflux-disease-systematic-review-on-prognosis-and-prognostic-factors
#15
Maartje M J Singendonk, Merit M Tabbers, Marc A Benninga, Miranda W Langendam
In this systematic review, we summarize the evidence on prognosis and prognostic factors of pediatric GERD. A structured search of Embase and MEDLINE/PubMed (inception to April 2016) yielded 5365 references; four publications met our inclusion criteria (risk of bias moderate-high). Definitions and outcome measures varied widely between studies. The percentage of children with a diagnosis of GERD with esophagitis that had persisting symptoms and/or were on anti-reflux medication at follow-up (12 months to >5 years) ranged from 23% (weekly symptoms) to 68% (anti-reflux medication), depending on definition used...
July 27, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28752419/regional-variability-of-repeat-esophagogastroduodenoscopy-use-in-the-national-veteran-population
#16
Andrew J Gawron, Garrett Cole, Nan Hu, William K Thompson, John Fang, Matthew Samore
BACKGROUND: Esophagogastroduodenoscopy (EGD) procedures are performed frequently to evaluate gastrointestinal disease and symptoms. AIM: To determine regional practice variability of repeat EGDs in a national population. METHODS: The study sample included US Veterans with an outpatient index EGD from 1/1/2008 to 12/2010. We determined risk of repeat endoscopy from 1/2008 to 10/1/2014. A logistic regression model was used to assess the association between the odds of repeated EGD and patient demographics, ICD diagnostic codes, and geographic region...
July 31, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28751461/novel-aberrations-uncovered-in-barrett-s-esophagus-and-esophageal-adenocarcinoma-using-whole-transcriptome-sequencing
#17
Jesper Maag, Oliver M Fisher, Angelique J Levert-Mignon, Dominik C Kaczorowski, Melissa L Thomas, Damian Hussey, David Watson, Antony Wettstein, Yuri V Bobryshev, Melanie Edwards, Marcel E Dinger, Reginald V Lord
Esophageal adenocarcinoma (EAC) has one of the fastest increases in incidence of any cancer, along with poor five-year survival rates. Barrett's esophagus (BE) is the main risk factor for EAC, however the mechanisms driving EAC development remain poorly understood. Here, transcriptomic profiling was performed using RNA-sequencing (RNA-seq) on premalignant and malignant Barrett's tissues to better understand this disease. Machine-learning and network analysis methods were applied to discover novel driver genes for EAC development...
July 27, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28747552/tenascin-c-and-fibronectin-in-normal-esophageal-mucosa-barrett-s-esophagus-dysplasia-and-adenocarcinoma
#18
Joni Leppänen, Sara Bogdanoff, Petri P Lehenkari, Juha Saarnio, Joonas H Kauppila, Tuomo J Karttunen, Heikki Huhta, Olli Helminen
BACKGROUND: Tenascin-C and fibronectin are adhesive glycoproteins modulating the structure of the extracellular matrix and cellular functions. Their expression and function in esophageal adenocarcinoma is poorly known. The aim of this study was to evaluate the expression of tenascin-C and fibronectin in esophageal adenocarcinoma and its precursor stages. RESULTS: Stromal tenascin-C and fibronectin expression were found in all evaluated lesion types. Expression of both molecules increased from gastric metaplasia towards adenocarcinoma (p<0...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28734832/superficial-esophageal-mucosal-afferent-nerves-may-contribute-to-reflux-hypersensitivity-in-non-erosive-reflux-disease
#19
P Woodland, J L Ooi, F Grassi, K Nikaki, C Lee, J A Evans, N Koukias, C Triantos, S A McDonald, M Peiris, R Aktar, L A Blackshaw, D Sifrim
BACKGROUND & AIMS: Little is known about the causes of heartburn in patients with gastro-esophageal reflux disease (GERD). Visible epithelial damage is seldom associated with symptom severity, evidenced by the significant symptom burden in patients with non-erosive reflux disease (NERD) compared to patients with erosive reflux disease (ERD) or Barrett's esophagus (BE). We studied the distribution of mucosal nerve fibers in patients with NERD, ERD, and BE, and compared the results with those of healthy subjects...
July 19, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28733735/laparoscopic-repair-of-giant-paraesophageal-hernia-are-there-factors-associated-with-anatomic-recurrence
#20
Michael Antiporda, Benjamin Veenstra, Chloe Jackson, Pujan Kandel, C Daniel Smith, Steven P Bowers
BACKGROUND: Repair of giant paraesophageal hernia (PEH) is associated with a favorably high rate of symptom improvement; however, rates of recurrence by objective measures remain high. Herein we analyze our experience with laparoscopic giant PEH repair to determine what factors if any can predict anatomic recurrence. METHODS: We prospectively collected data on PEH characteristics, variations in operative techniques, and surgeon factors for 595 patients undergoing laparoscopic PEH repair from 2008 to 2015...
July 21, 2017: Surgical Endoscopy
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