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Kataria J, Rivera D, Grin A, Reed DE, Rodrigues DM. The role of histology in the diagnosis of non-erosive reflux disease: A systematic review and meta-analysis. Neurogastroenterol Motil 2023; 35:e14631. [PMID: 37448170 DOI: 10.1111/nmo.14631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/21/2023] [Accepted: 06/06/2023] [Indexed: 07/15/2023]
Abstract
BACKGROUND AND PURPOSE Non-erosive reflux disease (NERD) accounts for over half of all gastroesophageal reflux cases and is characterized by reflux symptoms with pathologic acid exposure on pH monitoring but no evidence of erosions on upper endoscopy. Ambulatory pH monitoring is limited by availability and patient tolerance. The utility of performing esophageal mucosal biopsies in diagnosing NERD is unclear. We conducted a systematic review and meta-analysis to determine the sensitivity of esophageal mucosal biopsies in diagnosing NERD. METHODS Data were obtained from Embase and Ovid MEDLINE from inception to April 2021. Studies were included if esophageal mucosal biopsies were taken and analyzed using conventional histopathologic analysis in symptomatic NERD patients. Relevant data was including histologic abnormalities and location of the biopsy. Sensitivity and specificity were calculated against healthy controls or those with functional heartburn. RESULTS The search yielded 2871 studies, of which 10 studies met our inclusion criteria and contained raw data. Histological abnormalities included histologic sum scores, papillary elongation, basal cell hyperplasia, and dilated intraepithelial spaces. When assessing for the presence of any abnormality, biopsies taken <3 cm from the lower esophageal sphincter (LES) had a pooled sensitivity of 0.71 (95% CI 0.64-0.77) and specificity of 0.64 (95% 0.54-0.73); however, analysis of individual histologic features such as the presence of eosinophils improved the sensitivity. CONCLUSIONS Although esophageal mucosal biopsies had poor sensitivity at diagnosing NERD, biopsies taken within 3 cm of the LES had higher sensitivity when pathologists reported upon eosinophils and dilated intraepithelial spaces.
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Affiliation(s)
- Jay Kataria
- Departments of Medicine, Queen's University, Kingston, Ontario, Canada
- Departments of Anatomy and Pathology, Queen's University, Kingston, Ontario, Canada
| | - Daniel Rivera
- Departments of Medicine, Queen's University, Kingston, Ontario, Canada
- Departments of Anatomy and Pathology, Queen's University, Kingston, Ontario, Canada
| | - Andrea Grin
- Departments of Medicine, Queen's University, Kingston, Ontario, Canada
- Departments of Anatomy and Pathology, Queen's University, Kingston, Ontario, Canada
| | - David Edward Reed
- Departments of Medicine, Queen's University, Kingston, Ontario, Canada
- Departments of Anatomy and Pathology, Queen's University, Kingston, Ontario, Canada
| | - David Mario Rodrigues
- Departments of Medicine, Queen's University, Kingston, Ontario, Canada
- Departments of Anatomy and Pathology, Queen's University, Kingston, Ontario, Canada
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Martini T, Rios D, Cassiano LPS, Silva CMDS, Taira EA, Ventura TMS, Pereira HABS, Magalhães AC, Carvalho TS, Baumann T, Lussi A, Oliveira RB, Palma-Dibb RG, Buzalaf MAR. Proteomics of acquired pellicle in gastroesophageal reflux disease patients with or without erosive tooth wear. J Dent 2019; 81:64-69. [DOI: 10.1016/j.jdent.2018.12.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 12/11/2018] [Accepted: 12/17/2018] [Indexed: 01/11/2023] Open
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Abstract
INTRODUCTION Despite consensus eosinophilic esophagitis (EoE) statement published in 2011 calling for a 2-month trial of protons pump inhibitor (PPI), the guidelines are not followed by many. We studied the practice patterns in our community and response to a PPI retrial in patients previously diagnosed with "idiopathic EoE." METHODS All patients presenting to the senior author's practice with suspected EoE from 2011 to 2015. Two cohorts were studied: (1) patients diagnosed in the community as "idiopathic EoE"; (2) treatment naïve patients given a PPI trial at University of South Florida. PPI responsive eosinophilia was defined after 2 months of high dose PPIs after initial diagnosis of mucosal eosinophilia and histologic response of <15 eosinophils per HPF. SPSS v19.0 was used to calculate mean difference and odds ratios (OR) and 95% confidence intervals. RESULTS In total, 78 patients met inclusion criteria, 46 patients had outside diagnosis of "idiopathic EoE," and 41 patients received a PPI trial at University of South Florida. In total, 34/46 (73.9%) community patients were placed on a PPI, 3/46 (6.5%) were placed on elimination diets, 31/46 (67.4%) steroids, and 21/46 (45.7%) were treated with both steroids/PPIs. Fewer patients received PPI trials in the community 3/46 (6.5%) versus 26/34 (76.5%) at our center [OR, 46.6 (95% CI, 11.3-191.5); P<0.0001]. In total, 12/26 (46.2%) were PPI responders on our retrial despite previously being diagnosed with idiopathic EoE. The group initially diagnosed at our center had a higher PPI response rate 12/15 (80%) versus 12/26 (46.2%) in the community group [OR, 7.58 (1.42, 40.55; P=0.018)]. CONCLUSIONS The importance of a PPI trial is misunderstood and may be confused with the more traditional PPI trial for gastroesophageal reflux disease. This algorithm is critical and should be done before empiric steroids/diet therapies.
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Richter JE, Rubenstein JH. Presentation and Epidemiology of Gastroesophageal Reflux Disease. Gastroenterology 2018; 154:267-276. [PMID: 28780072 PMCID: PMC5797499 DOI: 10.1053/j.gastro.2017.07.045] [Citation(s) in RCA: 290] [Impact Index Per Article: 48.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 07/18/2017] [Accepted: 07/18/2017] [Indexed: 12/11/2022]
Abstract
Gastroesophageal reflux disease (GERD) is the most prevalent gastrointestinal disorder in the United States, and leads to substantial morbidity, though associated mortality is rare. The prevalence of GERD symptoms appeared to increase until 1999. Risk factors for complications of GERD include advanced age, male sex, white race, abdominal obesity, and tobacco use. Most patients with GERD present with heartburn and effortless regurgitation. Coexistent dysphagia is considered an alarm symptom, prompting evaluation. There is substantial overlap between symptoms of GERD and those of eosinophilic esophagitis, functional dyspepsia, and gastroparesis, posing a challenge for patient management.
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Affiliation(s)
- Joel E. Richter
- Joy McCann Culverhouse Center for Swallowing Disorders, Division of Digestive Diseases & Nutrition, University of South Florida College of Medicine, Tampa FL
| | - Joel H. Rubenstein
- Veterans Affairs Center for Clinical Management Research, Ann Arbor, MI,Barrett’s Esophagus Program, Division of Gastroenterology & Hepatology, University of Michigan Medical School, Ann Arbor, MI
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Naik RD, Vaezi MF. Recent advances in diagnostic testing for gastroesophageal reflux disease. Expert Rev Gastroenterol Hepatol 2017; 11:531-537. [PMID: 28317452 DOI: 10.1080/17474124.2017.1309286] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Gastroesophageal reflux disease (GERD) has a large economic burden with important complications that include esophagitis, Barrett's esophagus, and adenocarcinoma. Despite endoscopy, validated patient questionnaires, and traditional ambulatory pH monitoring, the diagnosis of GERD continues to be challenging. Areas covered: This review will explore the difficulties in diagnosing GERD with a focus on new developments, ranging from basic fundamental changes (histology and immunohistochemistry) to direct patient care (narrow-band imaging, impedance, and response to anti-reflux surgery). We searched PubMed using the noted keywords. We included data from full-text articles published in English. Further relevant articles were identified from the reference lists of review articles. Expert commentary: Important advances in novel parameters in intraluminal impedance monitoring such as baseline impedance monitoring has created some insight into alternative diagnostic strategies in GERD. Recent advances in endoscopic assessment of esophageal epithelial integrity via mucosal impedance measurement is questioning the paradigm of prolonged ambulatory testing for GERD. The future of reflux diagnosis may very well be without the need for currently employed technologies and could be as simple as assessing changes in epithelia integrity as a surrogate marker for GERD. However, future studies must validate such an approach.
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Affiliation(s)
- Rishi D Naik
- a Division of Gastroenterology, Hepatology, and Nutrition, Center for Swallowing and Esophageal Disorders , Vanderbilt University Medical Center , Nashville , TN , USA
| | - Michael F Vaezi
- a Division of Gastroenterology, Hepatology, and Nutrition, Center for Swallowing and Esophageal Disorders , Vanderbilt University Medical Center , Nashville , TN , USA
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Yang SC, Chen CL, Yi CH, Liu TT, Shieh KR. Changes in Gene Expression Patterns of Circadian-Clock, Transient Receptor Potential Vanilloid-1 and Nerve Growth Factor in Inflamed Human Esophagus. Sci Rep 2015; 5:13602. [PMID: 26337663 PMCID: PMC4559770 DOI: 10.1038/srep13602] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Accepted: 07/13/2015] [Indexed: 12/13/2022] Open
Abstract
Circadian rhythm is driven by the molecular circadian-clock system and regulates many physiological functions. Diurnal rhythms in the gastrointestinal tract are known to be related to feeding pattern, but whether these rhythms are also related to the gastrointestinal damage or injuries; for example, gastroesophageal reflux disease (GERD), is unclear. This study was conducted to determine whether expression of circadian-clock genes or factors involved in vagal stimulation or sensitization were altered in the esophagus of GERD patients. Diurnal patterns of PER1, PER2, BMAL1, CRY2, TRPV1, and NGF mRNA expression were found in patient controls, and these patterns were altered and significantly correlated to the GERD severity in GERD patients. Although levels of CRY1, TIM, CB1, NHE3, GDNF, and TAC1 mRNA expression did not show diurnal patterns, they were elevated and also correlated with GERD severity in GERD patients. Finally, strong correlations among PER1, TRPV1, NGF and CRY2 mRNA expression, and among PER2, TRPV1 and CRY2 expression were found. Expression levels of CRY1 mRNA highly correlated with levels of TIM, CB1, NHE3, GDNF and TAC1. This study suggests that the circadian rhythm in the esophagus may be important for the mediation of and/or the response to erosive damage in GERD patients.
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Affiliation(s)
- Shu-Chuan Yang
- General Education Center, Tzu Chi College of Technology, Hualien, Taiwan
| | - Chien-Lin Chen
- Department of Medicine, Buddhist Tzu Chi General Hospital, Hualien, Taiwan.,School of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Chih-Hsun Yi
- Department of Medicine, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
| | - Tso-Tsai Liu
- Department of Medicine, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
| | - Kun-Ruey Shieh
- School of Medicine, Tzu Chi University, Hualien, Taiwan.,Department of Physiology, Tzu Chi University, Hualien, Taiwan.,Institute of Physiological and Anatomical Medicine, Tzu Chi University, Hualien, Taiwan
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Dab S, Sokhi R, Lee JC, Sessle BJ, Aubin JE, Gong SG. Characterization of esophageal defects in the Crouzon mouse model. ACTA ACUST UNITED AC 2013; 97:578-86. [PMID: 23997010 DOI: 10.1002/bdra.23172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2013] [Revised: 06/18/2013] [Accepted: 07/08/2013] [Indexed: 01/27/2023]
Abstract
BACKGROUND Mutations in Fibroblastic Growth Factor Receptors (FGFR) have been associated with human craniosynostotic birth defects like Crouzon syndrome. Several anecdotes and case reports have indicated higher incidence of gastrointestinal tract disorders in FGFR-associated craniosynostotic birth defects. Our objective was to characterize esophageal defects in a mouse model of human Crouzon syndrome, with a mutation in codon 290 of FGFR2. METHODS Dissected esophagi of Fgfr2(W290R) postnatal heterozygous (HET) and wild-type mice were analyzed by histological staining, immunohistochemically with cell proliferation marker, and functionally by strain gauge measures of electrically evoked contractile force. RESULTS The esophagi of HETs were noticeably smaller but with wider lumen than those of wild-type littermates. The HET esophagi showed a decrease in proliferation and an increase in expression of Sonic Hedgehog as compared to wild-type esophagi. Histological investigations revealed reduced amounts and disorganization of collagen in muscle layers. Functional analysis revealed altered contractile properties in HET with reduced peak amplitude and prolonged duration of evoked contractile force response and lower stimulation threshold. CONCLUSION The defects observed in the esophagus of the mutant may explain some of the clinical symptoms observed in humans, for example, recurrent vomiting, gastroesophageal reflux, and esophageal strictures. Taken together, our results provide evidence for the importance of Fibroblastic Growth Factor signaling in the growth and patterning of the esophagus, providing a possible scientific basis for the gastrointestinal tract clinical findings in craniosynostotic patients. Furthermore, the findings also provide a sound scientific rationale for any changes in the clinical management of gastrointestinal tract problems in patients with craniosynostotic defects.
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Affiliation(s)
- Sandeep Dab
- Dental Research Institute, Faculty of Dentistry, University of Toronto, Toronto, Canada
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Effect of Helicobacter pylori on the mucosa of the lower end of the esophagus in induced chronic gastritis in adult albino rats. THE EGYPTIAN JOURNAL OF HISTOLOGY 2013. [DOI: 10.1097/01.ehx.0000426164.72726.a7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Calabrese C, Montanaro L, Liguori G, Brighenti E, Vici M, Gionchetti P, Rizzello F, Campieri M, Derenzini M, Trerè D. Cell proliferation of esophageal squamous epithelium in erosive and non-erosive reflux disease. World J Gastroenterol 2011; 17:4496-502. [PMID: 22110280 PMCID: PMC3218140 DOI: 10.3748/wjg.v17.i40.4496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2011] [Revised: 06/02/2011] [Accepted: 06/09/2011] [Indexed: 02/06/2023] Open
Abstract
AIM: To elucidate cell proliferation in erosive reflux disease (ERD) and non-erosive reflux disease (NERD), we evaluated markers in squamous epithelial cells.
METHODS: Thirty-four consecutive patients with gastroesophageal-reflux-disease-related symptoms (21 NERD and 13 ERD) were evaluated for the enrolment into the study. All patients underwent 24-h pH monitoring, standard endoscopy, and biopsy for histological evaluation. The expression of cyclins D and A was evaluated by real-time reverse transcription polymerase chain reaction (RT-PCR) from isolated epithelial cells. In all samples, analysis of the isolated cell population revealed the presence of epithelial cells only.
RESULTS: Real-time RT-PCR showed that, in patients with ERD, the relative expression of cyclin D1 mRNA in esophageal epithelium was strongly decreased in comparison with NERD patients. The mean value of relative expression of cyclin D1 mRNA in NERD patients was 3.44 ± 1.9, whereas in ERD patients, it was 1.32 ± 0.87 (P = 0.011). Real-time RT-PCR showed that, in patients with ERD, relative expression of cyclin A mRNA in esophageal epithelium was decreased in comparison with that in NERD patients (2.31 ± 2.87 vs 0.66 ± 1.11). The mean bromodeoxyuridine labeling index in the NERD patients was 5.42% ± 1.68%, whereas in ERD patients, it was 4.3% ± 1.59%.
CONCLUSION: We confirmed reduced epithelial proliferation in ERD compared with NERD patients, and that individuals who develop ERD are characterized by weaker epithelial cell proliferation.
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Calabrese C, Marzano V, Urbani A, Lazzarini G, Valerii MC, Liguori G, Di Molfetta S, Rizzello F, Gionchetti P, Campieri M, Spisni E. Distinct proteomic profiles characterise non-erosive from erosive reflux disease. Aliment Pharmacol Ther 2011; 34:982-93. [PMID: 21848794 DOI: 10.1111/j.1365-2036.2011.04801.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND Erosive reflux disease (ERD) and non-erosive reflux disease (NERD) are often regarded as part of the spectrum of the same disease. AIM To elucidate molecular features that characterise NERD and ERD at the protein level. METHODS A total of 56 consecutive subjects were enrolled: 10 healthy subjects, 24 with NERD and 22 with ERD. Eight specimens were taken from macroscopically normal mucosa at 5 cm of gastro-oesophageal junction. Four were processed for the proteins extraction and four for evaluation using haematoxylin-eosin and immunohistochemistry. We used shotgun proteomics to identify tentative disease molecular features for ERD or NERD. Candidate distinctive proteins were verified using immunohistochemistry. RESULTS Shotgun proteomics analysis revealed 33 differentially expressed proteins in NERD vs. ERD samples, involved in cellular proliferation, keratinisation, stress responses and sugar metabolism. Based on a gene ontology meta-analysis, seven of them were further analysed using Western blotting (WB) and four also using immunohistochemistry. We identified novel candidate disease molecular features for GERD and few distinctive proteins to discriminate NERD and ERD. In particular, Transitional Endoplasmic Reticulum ATPase (TER ATPase), GAPDH, Alpha 1 Acid Glycoprotein 1, Annexin A1, Calmodulin and 14-3-3 proteins were confirmed at WB analysis. CONCLUSIONS Non-erosive reflux disease and ERD are distinct disease entities at the protein level. This study proposes an array of candidate biomarkers possibly useful to discriminate between NERD and ERD.
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Affiliation(s)
- C Calabrese
- Department of Clinical Medicine, University of Bologna, Bologna, Italy.
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Calabrese C, Spisni E, Liguori G, Lazzarini G, Valerii MC, Strillacci A, Gionchetti P, Pagotto U, Campieri M, Rizzello F. Potential role of the cannabinoid receptor CB in the pathogenesis of erosive and non-erosive gastro-oesophageal reflux disease. Aliment Pharmacol Ther 2010; 32:603-11. [PMID: 20497140 DOI: 10.1111/j.1365-2036.2010.04377.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Cannabinoid (CB) receptors have been located in brain areas involved in the triggering of TLESRs as well as in the nodose ganglion from which vagal afferents emanate. The distribution of CB(1) receptors has been investigated in the human gastrointestinal mucosa, as expression of inflammatory process. AIM To evaluate the CB(1) expression in oesophageal mucosa. METHODS A total of 87 consecutive subjects were enrolled: 10 controls, 39 NERD and 38 erosive oesophagitis. Eight specimens were taken from macroscopically normal mucosa. Five were processed by haematoxylin-eosin, MIB1/CB(1) evaluation and three for the RNA and proteins extraction. RESULTS The mean MIB1-LI value was 31% and 22% in NERD and ERD patients, respectively, compared to 68% in the healthy subjects. Mean CB(1)mRNA/GUSB mRNA value of the controls was 0.66, while in GERD patients, it was 0.28. In NERD and ERD, the mean values of CB(1)/GUSB were 0.38 and 0.17, respectively, with highly significant differences between the NERD vs. ERD groups. Semi-quantitative analysis of CB(1) expression, performed with WB, shows in NERD patients a higher CB(1) receptor expression than ERD patients. CONCLUSIONS With this study, we showed for the first time the presence of CB(1) receptors in the human oesophageal epithelium.
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Affiliation(s)
- C Calabrese
- Department of Clinical Medicine, University of Bologna, Bologna, Italy.
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