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https://www.readbyqxmd.com/read/28100991/sphincter-of-oddi-dysfunction-a-perplexing-presentation
#1
Sana Ahmad Din, Iman Naimi, Mirza Beg
Sphincter of Oddi dysfunction is caused by stenosis or dyskinesia of the sphincter of Oddi, leading to blockage of bile drainage from the common bile duct. We present the case of a 16-year-old female with chronic abdominal pain who underwent laparoscopic cholecystectomy for cholelithiasis but continued to experience abdominal pain, nausea, and vomiting along with persistently elevated ALT and AST levels. Postoperative abdominal ultrasound was nondiagnostic. Esophagogastroduodenoscopy showed mild reflux esophagitis and mild chronic Helicobacter pylori-negative gastritis...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28078458/superiority-of-laparoscopic-proximal-gastrectomy-with-hand-sewn-esophagogastrostomy-over-total-gastrectomy-in-improving-postoperative-body-weight-loss-and-quality-of-life
#2
Tatsuto Nishigori, Hiroshi Okabe, Shigeru Tsunoda, Hisashi Shinohara, Kazutaka Obama, Hisahiro Hosogi, Shigeo Hisamori, Kikuko Miyazaki, Takeo Nakayama, Yoshiharu Sakai
BACKGROUND: Proximal gastrectomy is not widely performed because the procedure is complicated, particularly under laparoscopy. We developed a simple laparoscopic technique of hand-sewn esophagogastrostomy with an anti-reflux mechanism. This study aimed to evaluate and compare the postoperative body weight loss (BWL) and quality of life (QOL) following laparoscopic proximal gastrectomy (LPG) and laparoscopic total gastrectomy (LTG) in patients with upper gastric cancer. METHODS: We retrospectively analyzed patients with stage I upper gastric cancer undergoing LPG or LTG at Kyoto University Hospital between March 2006 and June 2014...
January 11, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28062891/surgical-techniques-for-esophageal-replacement-in-children
#3
REVIEW
Shilpa Sharma, Devendra K Gupta
PURPOSE: Surgical techniques for esophageal replacement (ER) in children include colon interposition, gastric tube, gastric transposition, and jejunal interposition. This review evaluates the merits and demerits of each. METHOD: Surgical techniques, complications, and outcome of ER are reviewed over last seven decades. RESULTS: Colon interposition is the time-tested procedure with minimal and less serious complications. Long-term complications include reflux, halitosis, colonic segment dilatation, and anastomotic stricture, sometimes requiring surgical interventions especially for dilatation and reflux...
January 6, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28036160/bile-acids-a-potential-role-in-the-pathogenesis-of-pharyngeal-malignancy
#4
Z Shellman, A Aldhahrani, B Verdon, M Mather, V Paleri, J Wilson, J Pearson, C Ward, J Powell
OBJECTIVE: Gastro-oesophageal reflux disease is thought to be a risk factor for head and neck malignancies. Bile acids are one of the principle components of gastric refluxate and have previously been implicated in the development of oesophageal and bowel malignancies. There is clear evidence that bile acids reflux into the laryngopharynx. Despite this, the carcinogenic properties of bile acids in this area are yet to be fully identified. We therefore investigated the potential role of bile acids in pharyngeal malignancy, through the highly conserved process of epithelial-mesenchymal transition (EMT)...
December 30, 2016: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28002646/elevated-bile-amylase-level-without-pancreaticobiliary-maljunction-is-a-risk-factor-for-gallbladder-carcinoma
#5
Takaaki Fujimoto, Takao Ohtsuka, Yohei Nakashima, Yoshitaka Gotoh, Kenjiro Date, Yasuhisa Mori, Yoshihiko Sadakari, Shunichi Takahata, Yoshinao Oda, Masafumi Nakamura
BACKGROUND: Elevated bile amylase level in patients with pancreaticobiliary maljunction (PBM) or high confluence of pancreaticobiliary ducts (HCPBD) is well known as a risk factor for gallbladder carcinoma (GBC) development. However, the effects of occult pancreaticobiliary reflux (OPR), a condition characterized by high bile amylase level in the presence of an anatomically normal pancreaticobiliary junction, on GBC development remain unclear. The aim of this study was to assess the relationship between OPR and GBC...
December 21, 2016: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/27993699/gastroesophageal-mucosal-injury-after-cholecystectomy-an-indication-for-surveillance
#6
Syeda Nadia Shah Gilani, Gary Alan Bass, Natallia Kharytaniuk, Michelle R Downes, Emer Frances Caffrey, Iqbal Tobbia, Thomas Noel Walsh
BACKGROUND: Cholecystectomy alters bile release dynamics from pulsatile meal-stimulated to continuous, and results in retrograde duodeno-gastric bile reflux(DGR). Bile is implicated in mucosal injury following gastric surgery, but whether cholecystectomy causes esophago-gastric mucosal inflammation, thus increasing the risk of metaplasia, is unclear. STUDY DESIGN: This study examined whether cholecystectomy-induced DGR promotes chronic inflammatory mucosal changes of the stomach and/or at the esophago-gastric junction(EGJ)...
December 16, 2016: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/27986575/conversion-of-one-anastomosis-gastric-bypass-mini-gastric-bypass-to-roux-en-y-gastric-bypass-for-bile-reflux-gastritis-after-failed-braun-jejunojejunostomy
#7
Abdelrahman Nimeri, Talat Al Shaban, Ahmed Maasher
No abstract text is available yet for this article.
October 31, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/27986173/liver-function-assessment-by-magnetic-resonance-imaging
#8
Emre Ünal, Deniz Akata, Musturay Karcaaltincaba
Liver function assessment by hepatocyte-specific contrast-enhanced magnetic resonance imaging is becoming a new biomarker. Liver function can be assessed by T1 mapping (reduction rate) and signal intensity measurement (relative enhancement ratio) before and after GD-EOB-DTPA (gadoxetic acid) administration, as alternative to Tc-99m galactosyl serum albumin scintigraphy, 99m Tc-labeled mebrofenin scintigraphy, and indocyanine green clearance test. Magnetic resonance imaging assessment of liver function can enable diagnosis of cirrhosis, nonalcoholic fatty liver disease associated fibrosis and steatohepatitis, primary sclerosing cholangitis, toxic hepatitis, and chemotherapy and radiotherapy-related changes, which may be only visible on hepatobiliary phase images...
December 2016: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/27973541/the-in-vitro-effect-of-acidic-pepsin-on-nuclear-factor-kappab-activation-and-its-related-oncogenic-effect-on-normal-human-hypopharyngeal-cells
#9
Clarence T Sasaki, Julia Toman, Dimitra Vageli
BACKGROUND: Extra-esophageal carcinogenesis has been widely discussed in relation to the chronic effects of laryngopharyngeal reflux and most prominently with pepsin historically central to this discussion. With refluxate known to include gastric (pepsin) and duodenal (bile) fluids, we recently demonstrated the mechanistic role of NF-κB in mediating the preneoplastic effects of acidic-bile. However, the role of pepsin in promoting hypopharyngeal premalignant events remains historically unclear...
2016: PloS One
https://www.readbyqxmd.com/read/27909875/one-anastomosis-gastric-bypass-why-biliary-reflux-remains-controversial
#10
Matthieu Bruzzi, Jean-Marc Chevallier, Sébastien Czernichow
One-anastomosis gastric bypass is an alternative to the "gold-standard" Roux-en-Y gastric bypass. This technique appears to be safe and efficient, but controversy remains regarding the long-term theoretical risk of subsequent biliary reflux and its possible complications, such as cancer. The aim of the present narrative review was to summarize some of the current thoughts on biliary reflux. Research has established that exposure to chronic bile reflux in humans and rats (outside the "bariatric surgery" box) induce esophageal intestinal metaplasia and esophageal adenocarcinoma...
December 1, 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27889422/symptomatic-pancreatic-duct-stones-in-the-disconnected-bile-duct-a-case-series
#11
Alexander R Ende, Shayan Irani, Richard A Kozarek
BACKGROUND: Pancreaticobiliary maljunction (PBM) refers to the union of the pancreatic and biliary ducts outside of the duodenal wall. Patients are at increased risk of bile duct and gallbladder cancer, likely secondary to pancreatic juice refluxing into the biliary tree, and it is recommended that they undergo biliary diversion. METHODS: This is a case series of all patients in our institution with PBM and bilioenteric anastomosis who presented with symptomatic pancreatic duct stones in a disconnected bile duct...
November 14, 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/27888615/unconjugated-secondary-bile-acids-activate-the-unfolded-protein-response-and-induce-golgi-fragmentation-via-a-src-kinase-dependant-mechanism
#12
Ruchika Sharma, Francis Quilty, John F Gilmer, Aideen Long, Anne-Marie Byrne
Bile acids are components of gastro-duodenal refluxate and regarded as causative agents in oesophageal disease but the precise mechanisms are unknown. Here we demonstrate that a specific subset of physiological bile acids affect the protein secretory pathway by inducing ER stress, activating the Unfolded Protein Response (UPR) and causing disassembly of the Golgi apparatus in oesophageal cells. Deoxycholic acid (DCA), Chemodeoxycholic acid (CDCA) and Lithocholic acid (LCA) activated the PERK arm of the UPR, via phosphorylation of eIF2α and up-regulation of ATF3, CHOP and BiP/GRP78...
November 23, 2016: Oncotarget
https://www.readbyqxmd.com/read/27873093/fatty-acids-in-a-high-fat-diet-potentially-induce-gastric-parietal-cell-damage-and-metaplasia-in-mice
#13
Yuki Hirata, Takuhito Sezaki, Miwa Tamura-Nakano, Chinatsu Oyama, Teruki Hagiwara, Takamasa Ishikawa, Shinji Fukuda, Kazuhiko Yamada, Kazuhide Higuchi, Taeko Dohi, Yuki I Kawamura
BACKGROUND: Obesity is associated with risk of adenocarcinoma in the proximal stomach. We aimed to identify the links between dietary fat and gastric premalignant lesions. METHODS: C57BL/6 mice were fed high fat diet (HFD), and gastric mucosa was histologically analysed. Morphological changes were also analysed using an electron microscope. Transcriptome analysis of purified parietal cells was performed, and non-parietal gastric corpus epithelial cells were subjected to single-cell gene-expression profiling...
November 21, 2016: Journal of Gastroenterology
https://www.readbyqxmd.com/read/27832356/risk-factors-for-intestinal-metaplasia-in-a-southeastern-chinese-population-an-analysis-of-28-745-cases
#14
Jian-Xia Jiang, Qing Liu, Bing Zhao, Hai-Han Zhang, Huai-Ming Sang, Soyfoo-Muhammad Djaleel, Guo-Xin Zhang, Shun-Fu Xu
PURPOSE: To identify risk factors for intestinal metaplasia in a southeastern Chinese population. METHODS: Subjects who underwent upper GI endoscopy and endoscopic biopsy in the First Affiliated Hospital of Nanjing Medical University from 2008 to 2013 were included into this study. Various demographic, geographic, clinical and pathological data were analyzed separately to identify risk factors for intestinal metaplasia. RESULTS: The incidence of intestinal metaplasia differed significantly in 17 municipal areas ranging from 16...
November 10, 2016: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/27825579/laparoscopic-conversion-of-one-anastomosis-gastric-bypass-mini-gastric-bypass-to-roux-en-y-gastric-bypass-for-bile-reflux-gastritis
#15
Abdelrahman Nimeri, Talat Al Shaban, Ahmed Maasher
No abstract text is available yet for this article.
September 29, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/27704265/biliary-carcinogenesis-in-pancreaticobiliary-maljunction
#16
Terumi Kamisawa, Sawako Kuruma, Kazuro Chiba, Taku Tabata, Satomi Koizumi, Masataka Kikuyama
Pancreaticobiliary maljunction (PBM) is a congenital malformation in which the pancreatic and bile ducts join anatomically outside the duodenal wall. Because of the excessive length of the common channel in PBM, sphincter action does not directly affect the pancreaticobiliary junction, which allows pancreatic juice to reflux into the biliary tract. According to the results of a nationwide survey, bile duct and gallbladder cancers were found in 6.9 and 13.4 % of adult patients with congenital biliary dilatation, respectively, and in 3...
October 4, 2016: Journal of Gastroenterology
https://www.readbyqxmd.com/read/27694141/hypoxia-inducible-factor-2%C3%AE-plays-a-role-in-mediating-oesophagitis-in-gord
#17
Xiaofang Huo, Agoston T Agoston, Kerry B Dunbar, Daisha J Cipher, Xi Zhang, Chunhua Yu, Edaire Cheng, Qiuyang Zhang, Thai H Pham, Uttam K Tambar, Richard K Bruick, David H Wang, Robert D Odze, Stuart J Spechler, Rhonda F Souza
OBJECTIVE: In an earlier study wherein we induced acute reflux by interrupting proton pump inhibitor (PPI) therapy in patients with reflux oesophagitis (RO) healed by PPIs, we refuted the traditional concept that RO develops as an acid burn. The present study explored our alternative hypothesis that RO results from reflux-stimulated production of pro-inflammatory molecules mediated by hypoxia-inducible factors (HIFs). DESIGN: Using oesophageal biopsies taken from patients in our earlier study at baseline and at 1 and 2 weeks off PPIs, we immunostained for HIF-1α, HIF-2α and phospho-p65, and measured pro-inflammatory molecule mRNAs...
September 30, 2016: Gut
https://www.readbyqxmd.com/read/27689189/toll-like-receptor-2-signalling-and-the-lysosomal-machinery-in-barrett-s-esophagus
#18
Romy E Verbeek, Peter D Siersema, Frank P Vleggaar, Fiebo J Ten Kate, George Posthuma, Rhonda F Souza, Judith de Haan, Jantine W P M van Baal
BACKGROUND AND AIMS: Inflammation plays an important role in the development of esophageal adenocarcinoma and its metaplastic precursor lesion, Barrett's esophagus. Toll-like receptor (TLR) 2 signalling and lysosomal function have been linked to inflammation-associated carcinogenesis. We examined the expression of TLR2 in the esophagus and the effect of long-term TLR2 activation on morphological changes and expression of factors involved in lysosomal function in a Barrett's esophagus epithelium cell line...
September 2016: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/27672269/role-of-bile-acids-in-carcinogenesis-of-pancreatic-cancer-an-old-topic-with-new-perspective
#19
REVIEW
Hui-Yi Feng, Yang-Chao Chen
The role of bile acids in colorectal cancer has been well documented, but their role in pancreatic cancer remains unclear. In this review, we examined the risk factors of pancreatic cancer. We found that bile acids are associated with most of these factors. Alcohol intake, smoking, and a high-fat diet all lead to high secretion of bile acids, and bile acid metabolic dysfunction is a causal factor of gallstones. An increase in secretion of bile acids, in addition to a long common channel, may result in bile acid reflux into the pancreatic duct and to the epithelial cells or acinar cells, from which pancreatic adenocarcinoma is derived...
September 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27620132/pancreaticobiliary-maljunctions-in-european-patients-with-bile-duct-cysts-results-of-the-multicenter-study-of-the-french-surgical-association-afc
#20
Emilia Ragot, Jean-Yves Mabrut, Mehdi Ouaïssi, Alain Sauvanet, Safi Dokmak, Gennaro Nuzzo, Nermin Halkic, Remi Dubois, Christian Létoublon, Daniel Cherqui, Daniel Azoulay, Sabine Irtan, Karim Boudjema, François-René Pruvot, Jean-François Gigot, Reza Kianmanesh
BACKGROUND: Pancreaticobiliary maljunctions (PBMs) are congenital anomalies of the junction between pancreatic and bile ducts, frequently associated with bile duct cyst (BDC). BDC is congenital biliary tree diseases that are characterized by distinctive dilatation types of the extra- and/or intrahepatic bile ducts. Todani's types I and IVa, in which dilatation involves principally the main bile duct, are the most frequent. PBM induces pancreatic juice reflux into the biliary tract that is supposed to be one of the main factors of biliary cancer degeneration, although the diagnostic criteria of PBM that can be either morphological and/or functional are not well defined especially in Western series...
September 12, 2016: World Journal of Surgery
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