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Journal of Neurogastroenterology and Motility

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https://www.readbyqxmd.com/read/28044052/the-relationship-of-the-post-reflux-swallow-induced-peristaltic-wave-index-and-esophageal-baseline-impedance-with-gastroesophageal-reflux-disease-symptoms
#1
Young Kyu Cho, Joon Seong Lee, Tae Hee Lee, Su Jin Hong, Sang Joon Park, Seong Ran Jeon, Hyun Gun Kim, Jin-Oh Kim
Background/Aims: The post-reflux swallow-induced peristaltic wave (PSPW) index and esophageal baseline impedance (BI) are novel impedance parameters used to evaluate esophageal chemical clearance and mucosal integrity. However, their relationship with reflux symptoms is not known. We aimed to evaluate the correlations of the PSPW index and esophageal BI with gastroesophageal reflux disease (GERD) symptoms. Methods: We performed a retrospective review of multichannel intraluminal impedance and pH (MII-pH) tracings in patients with suspected GERD...
January 2, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28044051/maturation-phenotype-of-peripheral-blood-monocyte-macrophage-after-stimulation-with-lipopolysaccharides-in-irritable-bowel-syndrome
#2
Oscar A Rodríguez-Fandiño, Joselín Hernández-Ruiz, Yolanda López-Vidal, Luis Charúa-Guindic, Galileo Escobedo, Max J Schmulson
Background/Aims: Abnormal immune regulation and increased intestinal permeability augmenting the passage of bacterial molecules that can activate immune cells, such as monocytes/macrophages, have been reported in irritable bowel syndrome (IBS). To compare the maturation phenotype of monocytes/macrophages (CD14+) from IBS patients and controls in the presence or absence of E. coli lipopolysaccharides (LPS), in vitro. Methods: Mononuclear cells were isolated from peripheral blood of 20 Rome II-IBS patients and 19 controls and cultured with or without LPS for 72 hours...
January 2, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28044050/piezo2-a-candidate-biomarker-for-visceral-hypersensitivity-in-irritable-bowel-syndrome
#3
Tao Bai, Ying Li, Jing Xia, Yudong Jiang, Lei Zhang, Huan Wang, Wei Qian, Jun Song, Xiaohua Hou
Background/Aim: Currently, there exists no biomarker for visceral hypersensitivity in Irritable Bowel Syndrome (IBS). Piezo proteins have been proven to play an important role in the mechanical stimulation to induce visceral pain in other tissues and may also be a biomarker candidate. The aim of this study was to test the expressions of Piezo1 and Piezo2 proteins in the intestinal epithelial cells from different intestinal segments and to explore the correlation between Piezo proteins expression and visceral pain threshold...
January 2, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28013295/emerging-roles-of-the-endolumenal-functional-lumen-imaging-probe-endoflip-in-gastrointestinal-motility-disorders
#4
REVIEW
Rona Marie A Lawenko, Yeong Yeh Lee
Gastrointestinal sphincters play a vital role in gut function and motility by separating the gut into functional segments. Traditionally, function of sphincters including the esophagogastric junction is studied using endoscopy and manometry. However, due to its dynamic biomechanical properties, data on distensibility and compliance may provide a more accurate representation of the sphincter function. The endolumenal functional lumen imaging probe (EndoFLIP) system uses a multi-detector impedance planimetry system to provide data on tissue distensibility and geometric changes in the sphincter as measured through resistance to volumetric distention with real-time images...
December 23, 2016: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27840368/serial-frozen-fecal-microbiota-transplantation-in-the-treatment-of-chronic-intestinal-pseudo-obstruction-a-preliminary-study
#5
Lili Gu, Chao Ding, Hongliang Tian, Bo Yang, Xuelei Zhang, Yue Hua, Yifan Zhu, Jianfeng Gong, Weiming Zhu, Ning Li, Jieshou Li
Background/Aims: Chronic intestinal pseudo-obstruction (CIPO) is a serious, life-threatening motility disorder that is often related to bacterial overgrowth. Fecal microbiota transplantation (FMT) results in restoration of the normal intestinal microbial community structure. We investigated the efficacy of FMT in the treatment of CIPO patients. Methods: Nine patients (age 18-53 years) with CIPO were enrolled in this prospective, open-label study. Patients received FMT for 6 consecutive days through nasojejunal (NJ) tubes and were followed up for 8 weeks after treatment...
November 11, 2016: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27820956/the-association-between-fasting-c-peptide-and-gastrointestinal-symptoms-of-gastroparesis-in-type-2-diabetic-patients
#6
Yun Huang, Honghong Zhang, Minxia Zhang, Wenya Li, Jinhua Wang, Ji Hu
Background/Aims: The relationship between c-peptide levels and gastrointestinal (GI) symptoms in type 2 diabetic patients is not clear. The purpose of this study is to examine the association between fasting C-peptide and GI symptoms of gastroparesis in type 2 diabetic patients. Methods: We recruited 333 type 2 diabetic patients into the present study. All the patients filled out questionnaires of gastroparesis cardinal symptom index (GCSI) to evaluate GI symptoms...
November 7, 2016: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27784839/belching-in-irritable-bowel-syndrome-an-impedance-study
#7
Tuba Obekli, Filiz Akyuz, Umit Akyuz, Serpil Arici, Raim İliaz, Suut Gokturk, Sami Evirgen, Bilger Cavus, Cetin Karaca, Kadir Demir, Fatih Besisik, Sabahattin Kaymakoglu
Background/Aims: There are limited data about the relation between belching and irritable bowel syndrome (IBS). We aimed to evaluate belching in patients with IBS. Methods: Twenty-five patients with IBS and 12 healthy volunteers were enrolled in the study. IBS was diagnosed in accordance with the Rome III criteria. All patients were questioned about the presence of symptoms for belching, gastroesophageal reflux disease, and dyspepsia. Esophageal manometry and 24-hour pH-impedance were performed in all patients and healthy volunteers...
October 27, 2016: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27764907/assessment-of-the-asian-neurogastroenterology-and-motility-association-chronic-constipation-criteria-an-asian-multicenter-cross-sectional-study
#8
Kok-Ann Gwee, Paul Bergmans, JinYong Kim, Bogdana Coudsy, Angelia Sim, Minhu Chen, Lin Lin, Xiaohua Hou, Huahong Wang, Khean-Lee Goh, John A Pangilinan, Nayoung Kim, Stanislas Bruley des Varannes
Background/Aims: There is a need for a simple and practical tool adapted for the diagnosis of chronic constipation (CC) in the Asian population. This study compared the Asian Neurogastroenterology and Motility Association (ANMA) CC tool and Rome III criteria for the diagnosis of CC in Asian subjects. Methods: This multicenter, cross-sectional study included subjects presenting at outpatient gastrointestinal clinics across Asia. Subjects with CC alert symptoms completed a combination Diagnosis Questionnaire to obtain a diagnosis based on 4 different diagnostic methods: self-defined, investigator's judgment, ANMA CC tool, and Rome III criteria...
October 21, 2016: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28049864/irritable-bowel-syndrome-and-nickel-allergy-what-is-the-role-of-the-low-nickel-diet
#9
Angela Rizzi, Eleonora Nucera, Lucrezia Laterza, Eleonora Gaetani, Venanzio Valenza, Giuseppe M Corbo, Riccardo Inchingolo, Alessandro Buonomo, Domenico Schiavino, Antonio Gasbarrini
Background/Aims: Irritable bowel syndrome (IBS) is characterized by chronic abdominal pain or discomfort accompanied by abnormal bowel movements. In sensitized subjects, ingested nickel (Ni) may induce gastrointestinal symptoms similar to IBS, in addition to typical systemic cutaneous lesions (systemic nickel allergy syndrome [SNAS]). A low nickel diet could improve the systemic manifestations. We evaluated prevalence of nickel allergy in IBS and effects of low Ni diet on (1) gastrointestinal symptoms control, (2) intestinal barrier function, (3) quality of life, and (4) psychological status of patients with IBS and Ni-sensitized patients...
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28049863/the-effect-of-acute-stress-on-esophageal-motility-and-gastroesophageal-reflux-in-healthy-humans
#10
Hong Sub Lee, Chung Kyun Noh, Kwang Jae Lee
Background/Aims: Little research has been done to evaluate the effect of stress in exacerbating the symptoms associated with gastroesophageal reflux (GER). We aimed to investigate the effect of acute stress on esophageal motility and GER parameters in healthy volunteers. Methods: A total of 10 (M:F = 8:2, median age 34 years-old) healthy volunteers without any recurrent gastrointestinal symptoms participated in this study. They underwent esophageal high-resolution manometry with 10 wet swallows (Experiment I) and esophageal impedance-pH monitoring (Experiment II) in the basal period and in the stress period...
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28049862/therapeutic-modulation-of-gut-microbiota-in-functional-bowel-disorders
#11
REVIEW
Hyo Jeong Lee, Jong Kyoung Choi, Han Seung Ryu, Chang Hwan Choi, Eun Hee Kang, Kyung Sik Park, Yang Won Min, Kyoung Sup Hong
Functional bowel disorders (FBDs) are functional gastrointestinal disorders with symptoms attributable to the middle or lower gastrointestinal tract. These include irritable bowel syndrome, functional bloating, functional constipation, functional diarrhea, and unspecified FBD. Increasing evidence has emerged of late that intestinal microbiota is involved in the pathogenesis of FBDs. In this review, the therapeutic benefits and future perspectives of the currently available strategies for modifying the gut microbiota in FBDs are described, focusing primarily on irritable bowel syndrome and functional constipation...
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28049861/colonic-slow-transit-can-cause-changes-in-the-gut-environment-observed-in-the-elderly
#12
EDITORIAL
Seong-Eun Kim
No abstract text is available yet for this article.
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28049860/why-should-we-contemplate-on-gender-difference-in-functional-gastrointestinal-disorders
#13
EDITORIAL
Jaehoon Jahng, Yong Sung Kim
No abstract text is available yet for this article.
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27832682/effect-of-da-9701-a-novel-prokinetic-agent-on-post-operative-ileus-in-rats
#14
Sang Pyo Lee, Oh Young Lee, Kang Nyeong Lee, Hang Lak Lee, Ho Soon Choi, Byung Chul Yoon, Dae Won Jun
Background/Aims: Post-operative ileus (POI) is a common complication of abdominal surgery. DA-9701, an extract of Pharbitis Semen and Corydalis Tuber, is a new prokinetic agent that also alleviates visceral pain. The aim of this study was to investigate whether DA-9701 can ameliorate POI in rats. Methods: A total of 32 rats were divided into 4 groups: no surgery/no medication (NSNM), no surgery/medication (NSM), surgery/no medication (SNM), and surgery/medication (SM)...
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27829577/chronic-early-life-stress-in-rat-pups-alters-basal-corticosterone-intestinal-permeability-and-fecal-microbiota-at-weaning-influence-of-sex
#15
Nabila Moussaoui, Jonathan P Jacobs, Muriel Larauche, Mandy Biraud, Mulugeta Million, Emeran Mayer, Yvette Taché
Background/Aims: Wistar rat dams exposed to limited nesting stress (LNS) from post-natal days (PND) 2 to 10 display erratic maternal behavior, and their pups show delayed maturation of the hypothalamic-pituitary-adrenal axis and impaired epithelial barrier at PND10 and a visceral hypersensitivity at adulthood. Little is known about the impact of early life stress on the offspring before adulthood and the influence of sex. We investigated whether male and female rats previously exposed to LNS displays at weaning altered corticosterone, intestinal permeability, and microbiota...
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27817184/biomarkers-of-irritable-bowel-syndrome
#16
REVIEW
Jae Hak Kim, Eugenia Lin, Mark Pimentel
Traditionally, irritable bowel syndrome (IBS) has not been regarded as an organic disease, and the pathophysiology of IBS is heterogeneous. Currently, the diagnosis of IBS is based upon the Rome diagnostic criteria. The performance of these criteria is only modest in predicting IBS, and moreover their validation is lacking. Additionally, as functional symptoms are common in the general population, healthy controls or volunteers are difficult to define and there is currently no definition of "normal" in the Rome criteria...
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27771944/is-gastroesophageal-reflux-disease-and-achalasia-coincident-or-not
#17
REVIEW
Da Hyun Jung, Hyojin Park
Achalasia and gastroesophageal reflux disease (GERD) are on opposite ends of the spectrum of lower esophageal sphincter dysfunction. Heartburn is the main symptom of GERD. However, heartburn and regurgitation are frequently observed in patients who have achalasia. The diagnosis of achalasia might be delayed because these symptoms are misinterpreted as gastroesophageal reflux. Here, we reviewed the clinical characteristics of patients with the erroneous diagnosis of GERD who actually had untreated achalasia.
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27756120/enhancing-perception-of-chronic-constipation-time-for-educational-input
#18
LETTER
Neel Sharma
No abstract text is available yet for this article.
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27667753/regional-colonic-transit-pattern-does-not-conclusively-identify-evacuation-disorders-in-constipated-patients-with-delayed-colonic-transit
#19
Seon-Young Park, Duane Burton, Irene Busciglio, Deborah Eckert, Michael Camilleri
Background/Aims: After exclusion of structural diseases, chronic constipation may be associated with normal or slow transit or rectal evacuation disorders. We evaluated: (1) clinical features and anorectal function, (2) difference of regional colonic transit according to the presence or absence of evacuation disorders, and (3) association of colonic transit with gender in patients with objectively slow colonic transit. Methods: We reviewed electronic medical records of 1553 patients with constipation seen by one gastroenterologist from 1994-2015 at a tertiary medical center...
January 30, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/27605525/the-role-of-microaspiration-in-the-pathogenesis-of-gastroesophageal-reflux-related-chronic-cough
#20
Pelin Özdemir, Münevver Erdinç, Rukiye Vardar, Ali Veral, Serdar Akyıldız, Özer Özdemir, Serhat Bor
Background/Aims: Gastroesophageal reflux disease (GERD) is one of the main causes of chronic cough. We evaluated the role of microaspiration in the pathogenesis of reflux-related cough by determining the amount of lipid-laden macrophages (LLMs) in bronchoalveolar lavage (BAL) specimens. Methods: A total of 161 cases of chronic cough were evaluated, and 36 patients (average age 48.2 years) were recruited for this single center prospective study. Patients with a history of smoking, angiotensin converting enzyme inhibitor usage, any abnormality on pulmonary function tests, abnormal chest X-rays, occupational or environmental exposures, or upper airway cough syndrome were excluded...
January 30, 2017: Journal of Neurogastroenterology and Motility
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