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Di Mitri M, Parente G, Bisanti C, Thomas E, Cravano SM, Cordola C, Vastano M, Collautti E, Di Carmine A, Maffi M, D’Antonio S, Libri M, Gargano T, Lima M. Ask Doctor Smartphone! An App to Help Physicians Manage Foreign Body Ingestions in Children. Diagnostics (Basel) 2023; 13:3285. [PMID: 37892106 PMCID: PMC10606892 DOI: 10.3390/diagnostics13203285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/07/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
BACKGROUND Foreign body ingestion (FBI) represents the most common cause of emergent gastrointestinal endoscopy in children. FBI's management can be quite challenging for physicians because of the variability of the clinical presentation, and the decision tree becomes even more intricate because of patient-specific variables that must be considered in the pediatric age range (e.g., age of patients and neuropsychiatric disorders) in addition to the mere characteristics of the foreign body. We present an application for smartphones designed for pediatricians and pediatric surgeons based on the latest guidelines from the official pediatric societies. The app aims to help physicians manage FBI quickly and properly in children. MATERIALS AND METHODS The latest pediatric FBI management guidelines were reviewed and summarized. The flow chart we obtained guided the development of a smartphone application. A questionnaire was administered to all pediatric surgeon trainees at our institute to test the feasibility and helpfulness of the application. RESULTS An app for smartphones was obtained and shared for free on the Google Play Store and Apple Store. The app guides the physician step by step in the diagnostic process, analyzing all patient- and foreign body-specific characteristics. The app consultation ends with a suggestion of the most proper decision to make in terms of further radiological investigations and the indication and timing of endoscopy. A questionnaire administered to trainees proved the app to be useful and easy to use. CONCLUSION We developed an app able to help pediatricians and pediatric surgeons manage FBI in children, providing standardized and updated recommendations in a smart and easily available way.
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Affiliation(s)
- Marco Di Mitri
- Pediatric Surgery Department, IRCCS Sant’Orsola-Malpighi Polyclinic, Alma Mater Studiorum—University of Bologna, 40138 Bologna, Italy; (G.P.); (C.B.); (E.T.); (S.M.C.); (C.C.); (M.V.); (E.C.); (A.D.C.); (M.M.); (S.D.); (M.L.); (T.G.); (M.L.)
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Visaggi P, Ghisa M, Marabotto E, Venturini A, Stefani Donati D, Bellini M, Savarino V, de Bortoli N, Savarino E. Esophageal dysmotility in patients with eosinophilic esophagitis: pathogenesis, assessment tools, manometric characteristics, and clinical implications. Esophagus 2023; 20:29-38. [PMID: 36220921 PMCID: PMC9813083 DOI: 10.1007/s10388-022-00964-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 10/03/2022] [Indexed: 02/03/2023]
Abstract
Eosinophilic esophagitis (EoE) represents a growing cause of chronic esophageal morbidity whose incidence and prevalence are increasing rapidly. The disease is characterized by eosinophilic infiltrates of the esophagus and organ dysfunction. Typical symptoms include dysphagia, chest pain, and bolus impaction, which are associated to mechanical obstructions in most patients. However, up to one in three EoE patients has no visible obstruction, suggesting that a motor disorder of the esophagus may underlie symptoms. Although potentially relevant for treatment refractoriness and symptomatic burden, esophageal dysmotility is often neglected when assessing EoE patients. The first systematic review investigating esophageal motility patterns in patients with EoE was published only recently. Accordingly, we reviewed the pathogenesis, assessment tools, manometric characteristics, and clinical implications of dysmotility in patients with EoE to highlight its clinical relevance. In summary, eosinophils can influence the amplitude of esophageal contractions via different mechanisms. The prevalence of dysmotility may increase with disease duration, possibly representing a late feature of EoE. Patients with EoE may display a wide range of motility disorders and possible disease-specific manometric pressurization patterns may be useful for raising a clinical suspicion. Intermittent dysmotility events have been found to correlate with symptoms on prolonged esophageal manometry, although high-resolution manometry studies have reported inconsistent results, possibly due to the suboptimal sensitivity of current manometry protocols. Motor abnormalities may recover following EoE treatment in a subset of patients, but invasive management of the motor disorder is required in some instances. In conclusion, esophageal motor abnormalities may have a role in eliciting symptoms, raising clinical suspicion, and influencing treatment outcome in EoE. The assessment of esophageal motility appears valuable in the EoE setting.
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Affiliation(s)
- Pierfrancesco Visaggi
- Gastroenterology Unit, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Matteo Ghisa
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Elisa Marabotto
- Gastroenterology Unit, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Arianna Venturini
- Gastroenterology Unit, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Delio Stefani Donati
- Gastroenterology Unit, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Massimo Bellini
- Gastroenterology Unit, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Vincenzo Savarino
- Gastroenterology Unit, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Nicola de Bortoli
- Gastroenterology Unit, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Edoardo Savarino
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University of Padua, Via Giustiniani 2, 35128, Padua, Italy.
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3
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Visaggi P, Ghisa M, Barberio B, Marabotto E, de Bortoli N, Savarino E. Systematic Review: esophageal motility patterns in patients with eosinophilic esophagitis. Dig Liver Dis 2022; 54:1143-1152. [PMID: 35090825 DOI: 10.1016/j.dld.2022.01.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 12/31/2021] [Accepted: 01/05/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Eosinophilic esophagitis (EoE) is a chronic disorder of the esophagus characterized by an eosinophil-predominant inflammation and symptoms of esophageal dysfunction. Eosinophils can influence esophageal motility, leading to dysphagia worsening. The spectrum of esophageal motility in EoE is uncertain. AIM We performed a systematic review to investigate esophageal motility in EoE. METHODS MEDLINE, EMBASE and EMBASE Classic were searched from inception to 16th November 2021. Studies reporting esophageal motility findings in EoE patients by means of conventional, prolonged, and/or high-resolution esophageal manometry were eligible. RESULTS Studies on esophageal conventional and high-resolution manometry (HRM) found that all types of manometric motor patterns can be found in patients with EoE and investigations on 24-hour prolonged manometry demonstrated an association between symptoms and intermittent dysmotility events, which can be missed during standard manometric analysis. Panesophageal pressurizations are the most common HRM finding and may help in formulating a clinical suspicion. Some motility abnormalities may reverse after medical treatment, while other major motility disorders like achalasia require invasive management for symptoms control. HRM metrics have demonstrated to correlate with inflammatory and fibrostenotic endoscopic features of EoE. CONCLUSION Esophageal motor abnormalities are common in patients with EoE and may contribute to symptoms. The resolution of dysmotility after medical treatment corroborates that eosinophils influence esophageal motility.
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Affiliation(s)
- Pierfrancesco Visaggi
- Gastroenterology Unit, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Matteo Ghisa
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Brigida Barberio
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Elisa Marabotto
- Gastroenterology Unit, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Nicola de Bortoli
- Gastroenterology Unit, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Edoardo Savarino
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy.
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4
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Chai C, Krishnan U. Dysmotility in Eosinophilic Esophagitis. Front Pediatr 2022; 10:853754. [PMID: 35295702 PMCID: PMC8918583 DOI: 10.3389/fped.2022.853754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/03/2022] [Indexed: 11/13/2022] Open
Abstract
Eosinophilic esophagitis (EoE) is an immune mediated chronic inflammatory disease resulting from antigen exposure and is characterized by mucosal inflammation with eosinophils. Diagnosis is based on the histological finding of at least 15 eosinophils per high power field in esophageal biopsy specimens from upper gastrointestinal endoscopies. These endoscopies are usually performed in the setting of esophageal dysfunction, however, EoE can occasionally be incidentally diagnosed during endoscopies performed for other indications like coeliac disease. The eosinophilia is in the absence of other causes of esophageal eosinophilia (e.g., parasitic infection, esophageal leiomyomatosis or Crohn's disease). Presentation can be wide ranging and often varies according to age. Infants and younger children can present with choking/gagging, feed refusal, failure to thrive, irritability and vomiting. Older children and adults commonly present with dysphagia, chest pain or food bolus obstruction. EoE was first described in the 1970s, but was only recognized as a distinct disease entity in the 1990s. It has been rising in incidence and prevalence, with reported prevalence ranging between 1 in 2,500 and 1 in 10,000. Although the diagnosis of EoE is dependent on clear histopathologic diagnostic criteria, there is a disconnect between the degree of esophageal eosinophilia and symptom severity especially that of reported dysphagia. Multiple anatomical changes can be seen in the spectrum of presentations of EoE which explain dysphagia, including isolated strictures, diffuse trachealisation, fixed rings, including Schatzki, as well as tissue remodeling and fibrotic changes. However, a majority of EoE patients do not have any of these findings and will still often report ongoing dysphagia. Some will report ongoing dysphagia despite histological remission. This suggests an underlying esophageal dysmotilty which cannot be assessed with endoscopy or correlated with histological changes seen in biopsies. This review will describe the types of motor disturbances seen and their prevalence, the pathophysiological basis of dysmotility seen in EoE, how best to investigate esophageal dysfunction in EoE and the role of manometry in the management of EoE.
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Affiliation(s)
- Charmaine Chai
- Department of Pediatric Gastroenterology, The Children's Hospital at Westmead, Sydney, NSW, Australia
| | - Usha Krishnan
- Department of Pediatric Gastroenterology, Sydney Children's Hospital, Randwick, Sydney, NSW, Australia.,School of Women's and Children's Health, University of New South Wales, Sydney, NSW, Australia
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5
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Lee WH, Grover Z, Borland M, Thacker K. Medical Disimpaction for Children With Organic Esophageal Foreign Body in the Era of Eosinophilic Esophagitis. Pediatr Emerg Care 2021; 37:e464-e467. [PMID: 30399068 DOI: 10.1097/pec.0000000000001673] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Esophageal foreign body impaction (EFBI) is a common presentation in pediatric emergency medicine. Interventions (medical or endoscopic) are often required because of the severity of symptoms and risk of complications. Use of medical disimpaction (MD) such as glucagon injections and effervescent agents (eg, carbonated beverages) has been well described in adults; however, there are limited data in the pediatric literature. Eosinophilic esophagitis (EoE) is a relatively "new" clinicopathological entity that may present with EFBI mostly due to food with histological findings of EoE. Our study aim was to determine the efficacy of MD for organic EFBI in the pediatric population especially in children with EoE. METHODS A retrospective chart review was performed using the International Classification of Diseases codes and the emergency department database of patients presenting with EFBI from January 2010 to December 2014. Response to MD was defined as symptomatic relief of obstruction. Age, object ingested, medical agent used, EoE status, complications, and outcome were recorded. RESULTS A total of 317 presentations of EFBI were identified during the study period, of which organic EFBI accounted for 101 impactions (31.9%). Medical disimpaction was attempted for 42 (41.6%) with organic EFBI, resulting in resolution of symptoms for 16 (38.1%). One child with EoE responded to MD compared with 15 without EoE (4.8% vs 71.4%, P < 0.0001). CONCLUSIONS Medical disimpaction was ineffective in children with EoE but may be of help with symptom resolution in approximately 70% of children without EoE.
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Affiliation(s)
- Wei Hao Lee
- From the Princess Margaret Hospital for Children and Perth Children's Hospital, Perth, Australia
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6
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Oliva S, Romano C, De Angelis P, Isoldi S, Mantegazza C, Felici E, Dabizzi E, Fava G, Renzo S, Strisciuglio C, Quitadamo P, Saccomani MD, Bramuzzo M, Orizio P, Nardo GD, Bortoluzzi F, Pellegrino M, Illiceto MT, Torroni F, Cisarò F, Zullo A, Macchini F, Gaiani F, Raffaele A, Bizzarri B, Arrigo S, De' Angelis GL, Martinelli M, Norsa L. Foreign body and caustic ingestions in children: A clinical practice guideline. Dig Liver Dis 2020; 52:1266-1281. [PMID: 32782094 DOI: 10.1016/j.dld.2020.07.016] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 07/13/2020] [Accepted: 07/17/2020] [Indexed: 12/11/2022]
Abstract
Foreign body and caustic ingestions in children are usually the most common clinical challenges for emergency physicians, general pediatricians and pediatric gastroenterologists. Management of these conditions often requires different levels of expertise and competence. Endoscopy is often necessary but there is a high risk of misusing this tool with incorrect timing and indications. The imprecise clinical history frequently leaves clinicians uncertain about timing and nature of the ingestion. Few clinical guidelines regarding management of these ingestions in children have been published, none of which from the Italian Society of Pediatric Gastroenterology, Hepatology and Nutrition (SIGENP). An expert panel of Italian endoscopists was convened by the SIGENP Endoscopy Working Group to produce the present article that outlines practical clinical approaches to the pediatric patient with a variety of foreign body and caustic ingestions. The Italian Association of Hospital Gastroenterologists and Endoscopists (AIGO) has also endorsed the project since many adult endoscopists usually manage children with these conditions. Differently from the other published guidelines, the proposed one focuses on the role of the endoscopists (regardless of whether they are adult or pediatric gastroenterologists) in the diagnostic process of children with foreign body and caustic ingestions.
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Affiliation(s)
- Salvatore Oliva
- Maternal and Child Health Department, Pediatric Gastroenterology and Liver Unit, Sapienza - University of Rome, Rome, Italy.
| | - Claudio Romano
- Pediatric Gastroenterology and Cystic Fibrosis Unit, Department of Human Pathology and Pediatrics, University of Messina, Italy
| | - Paola De Angelis
- Digestive Surgery and Endoscopy Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Sara Isoldi
- Maternal and Child Health Department, Sapienza - University of Rome, Santa Maria Goretti Hospital, Polo Pontino, Latina, Italy
| | - Cecilia Mantegazza
- Pediatric Gastroenterology and Digestive Endoscopic Unit, Department of Pediatrics and Pediatric Surgery, University of Milan, Buzzi Children's hospital, Italy
| | - Enrico Felici
- Pediatric and Pediatric Emergency Unit, "Umberto Bosio" Center for Digestive Diseases, The Children Hospital, AO SS Antonio e Biagio e Cesare Arrigo, Alessandria, Italy
| | - Emanuele Dabizzi
- Gastrointestinal and Interventional Endoscopy Unit, Surgical Department, AUSL Bologna, Bologna, Italy
| | - Giorgio Fava
- Department of Pediatric Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Sara Renzo
- Gastroenterology and Nutrition Unit, Meyer Children's Hospital, Florence, Italy
| | - Caterina Strisciuglio
- Department of Woman, Child and General and Specialistic Surgery, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Paolo Quitadamo
- Department of Pediatrics, A.O.R.N. Santobono-Pausilipon, Naples, Italy
| | | | - Matteo Bramuzzo
- Pediatric Gastroenterology, Digestive Endoscopy and Clinical Nutrition Unit, Department of Pediatric, Institute for Maternal and Child Health IRCCS "Burlo Garofolo", Trieste, Italy
| | - Paolo Orizio
- Department of Pediatric Surgery, Spedali Civili Children's Hospital, Brescia, Italy
| | - Giovanni Di Nardo
- NESMOS Department, Sapienza University of Rome, Sant'Andrea University Hospital
| | | | - Maristella Pellegrino
- Pediatric Surgery Unit, Maternal and Child Department, ASST GOM of Niguarda, Milan, Italy
| | - Maria Teresa Illiceto
- Pediatric Gastroenterology and Digestive Endoscopic Unit, Department of Pediatrics, "Santo Spirito" Hospital of Pescara, Italy
| | - Filippo Torroni
- Digestive Surgery and Endoscopy Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Fabio Cisarò
- Pediatric Gastroenterology Unit, Regina Margherita Children's Hospital, Azienda Ospedaliera-Universitaria, Città della Salute e della Scienza di Torino, Turin, Italy
| | - Angelo Zullo
- Gastroenterology and Digestive Endoscopy, 'Nuovo Regina Margherita' Hospital, Rome, Italy
| | - Francesco Macchini
- Department of Pediatric Surgery, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Federica Gaiani
- Gastroenterology and Endoscopy Unit, University Hospital of Parma, University of Parma, Parma, Italy
| | - Alessandro Raffaele
- Pediatric Surgery Unit, Department of Maternal and Child health, IRCCS Policlinico San Matteo Pavia and Department of Clinical-Surgical, Diagnostic and Pediatric Science, University of Pavia, Italy
| | - Barbara Bizzarri
- Gastroenterology and Endoscopy Unit, University Hospital of Parma, University of Parma, Parma, Italy
| | - Serena Arrigo
- Pediatric Gastroenterology and Endoscopy Unit, Institute Giannina Gaslini, Genoa, Italy
| | - Gian Luigi De' Angelis
- Gastroenterology and Endoscopy Unit, University Hospital of Parma, University of Parma, Parma, Italy
| | - Massimo Martinelli
- Department of Translational Medical Science, Section of Pediatrics, University of Naples "Federico II", Naples, Italy
| | - Lorenzo Norsa
- Pediatric Hepatology Gastroenterology and Transplantation, ASST Papa Giovanni XXIII, Bergamo, Italy
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7
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O'Loughlin EV, Cameron DJS. History of paediatric gastroenterology in Australia. J Paediatr Child Health 2020; 56:1669-1673. [PMID: 33197974 DOI: 10.1111/jpc.14956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 05/11/2020] [Accepted: 05/11/2020] [Indexed: 11/29/2022]
Abstract
Paediatric gastroenterology in Australia has undergone remarkable changes over the more than six decades since Charlotte Anderson's pioneering work, and is now a well-established specialty in its own right. Australian paediatric gastroenterologists have made important contributions nationally and internationally.
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Affiliation(s)
- Edward V O'Loughlin
- Department of Gastroenterology, The Children's Hospital at Westmead, Sydney, New South Wales, Australia
| | - Donald J S Cameron
- Department of Gastroenterology and Clinical Nutrition, Royal Children's Hospital, Parkville, Victoria, Australia
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8
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Doulberis M, Kountouras J, Rogler G. Reconsidering the "protective" hypothesis of Helicobacter pylori infection in eosinophilic esophagitis. Ann N Y Acad Sci 2020; 1481:59-71. [PMID: 32770542 DOI: 10.1111/nyas.14449] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/12/2020] [Accepted: 07/01/2020] [Indexed: 02/06/2023]
Abstract
Since its discovery, Helicobacter pylori (H. pylori) has attracted attention in the biomedical world with its numerous pathophysiologic implications, both gastrointestinal and systemic. Beyond its well-established carcinogenic properties, emerging evidence also supports "harmful" proinflammatory and neurodegenerative roles of H. pylori. On the other hand, H. pylori infection has been proposed to be "protective" against several diseases, such as asthma and gastroesophageal reflux disease. Eosinophilic esophagitis (EoE) is a relatively new, allergen/immune-mediated disease, which has also been linked to these considerations. Main arguments are a postulated shift of immune responses by H. pylori from T helper 2 (TH 2) to TH 1 polarization, as well as a potential decline of the H. pylori burden with the dramatic parallel rise of ΕοΕ: a series of observational studies reported an inverse association. In this review, we counter these arguments by providing further epidemiological data, which point out that this generalization might be rather incomplete. We also discuss the limitations of the existing studies evaluating a possible association. Furthermore, we provide current evidence on common pathogenetic components, which share both entities. In summary, the claim that H. pylori is protective against EoE is rather incomplete, and further mechanistic studies are necessary to elucidate a possible association.
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Affiliation(s)
- Michael Doulberis
- Department of Gastroenterology and Hepatology, University of Zurich, Zurich, Switzerland.,Second Medical Clinic, Faculty of Medicine, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Macedonia, Greece
| | - Jannis Kountouras
- Second Medical Clinic, Faculty of Medicine, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Macedonia, Greece
| | - Gerhard Rogler
- Department of Gastroenterology and Hepatology, University of Zurich, Zurich, Switzerland
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9
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De Matteis A, Pagliaro G, Corleto VD, Pacchiarotti C, Di Giulio E, Villa MP, Parisi P, Vassallo F, Ziparo C, Di Nardo G. Eosinophilic Esophagitis in Children: Clinical Findings and Diagnostic Approach. Curr Pediatr Rev 2020; 16:206-214. [PMID: 31584371 PMCID: PMC8193808 DOI: 10.2174/1573396315666191004110549] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/02/2019] [Accepted: 09/02/2019] [Indexed: 02/07/2023]
Abstract
Eosinophilic esophagitis (EoE) is an emerging chronic immune and antigen-mediated clinicopathologic disease. During the last 2 decades, the incidence of this condition in children has increased significantly, thanks to practitioners for creating the awareness and higher use of diagnostic endoscopy. We have analysed paediatric literature on EoE focusing on the epidemiology, pathophysiology, clinical findings and diagnostic approach. EoE is pathogenically related to a Th2 inflammation characterized by a mixed IgE and non-IgEmediated reaction to food and/or environmental agents. This leads to esophageal dysfunction and remodeling accompanied by subepithelial fibrosis. EoE can be presented with several range of gastrointestinal symptoms, including regurgitation, vomiting, feeding difficulties or feeding refusal in infants and toddlers, as well as heartburn, dysphagia and food bolus impaction in older children and adults. The diagnostic suspicion is based on the presence of chronic symptoms of esophgeal dysfunction and esophageal eosinophilia characterised histologically by a significant eosinophilic infiltration of the oesophageal mucosa (>15 eosinophils per high powered field). In this review, we will provide an update on clinical presentation and diagnostic approach to EoE in children. We emphasized on the relevant aspects of the new clinical condition termed "PPI responsive esophageal eosinophilia", as entities distinct from EoE and the role of PPI trial in the diagnostic workup, therefore we proposed a new diagnostic algorithm.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Giovanni Di Nardo
- Address correspondence to this author at the Chair of Pediatrics, NESMOS Department, School of Medicine and Psychology, Sapienza University of Rome, Sant’Andrea University Hospital, Via di Grottarossa 1035-1039, 00189 - Rome, Italy; Tel: +393397267637; E-mail:
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10
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Shah SC, Tepler A, Peek RM, Colombel JF, Hirano I, Narula N. Association Between Helicobacter pylori Exposure and Decreased Odds of Eosinophilic Esophagitis-A Systematic Review and Meta-analysis. Clin Gastroenterol Hepatol 2019; 17:2185-2198.e3. [PMID: 30659992 PMCID: PMC7354099 DOI: 10.1016/j.cgh.2019.01.013] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 01/07/2019] [Accepted: 01/08/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Previous or current infection with Helicobacter pylori (exposure) has been reported to protect against eosinophilic esophagitis (EoE), perhaps owing to H pylori-induced immunomodulation. However, findings vary. We performed a systematic review and meta-analysis of comparative studies to define the association between H pylori exposure and EoE more clearly. METHODS We searched 4 large databases to identify comparative clinical studies that included sufficient detail to determine the odds or risk of EoE (primary outcome) or esophageal eosinophilia (secondary outcome) among individuals exposed to H pylori (exposed) vs individuals who were tested and found to be unexposed. Estimates were pooled using a random-effects model. Meta-regression and sensitivity analyses were planned a priori. Studies were evaluated for quality, risk of bias, publication bias, and heterogeneity. RESULTS We analyzed 11 observational studies comprising data on 377,795 individuals worldwide. H pylori exposure vs nonexposure was associated with a 37% reduction in odds of EoE (odds ratio, 0.63; 95% CI, 0.51-0.78) and a 38% reduction in odds of esophageal eosinophilia (odds ratio, 0.62; 95% CI, 0.52-0.76). Fewer prospective studies found a significant association between H pylori exposure and EoE (P = .06) than retrospective studies. Effect estimates were not affected by study location, whether the studies were performed in pediatric or adult populations, time period (before vs after 2007), or prevalence of H pylori in the study population. CONCLUSIONS In a comprehensive meta-analysis, we found evidence for a significant association between H pylori exposure and reduced odds of EoE. Studies are needed to determine the mechanisms of this association.
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Affiliation(s)
- Shailja C. Shah
- Division of Gastroenterology, Hepatology, and Nutrition,
Vanderbilt University Medical Center, Nashville TN USA
| | - Adam Tepler
- Department of Medicine, Montefiore Medical Center, New
York NY USA
| | - Richard M. Peek
- Division of Gastroenterology, Hepatology, and Nutrition,
Vanderbilt University Medical Center, Nashville TN USA
| | | | - Ikuo Hirano
- Division of Gastroenterology, Northwestern University
Feinberg School of Medicine, Chicago IL USA
| | - Neeraj Narula
- Division of Gastroenterology, Department of Medicine and
Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton
Ontario Canada
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11
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Thomson M, Tringali A, Dumonceau JM, Tavares M, Tabbers MM, Furlano R, Spaander M, Hassan C, Tzvinikos C, Ijsselstijn H, Viala J, Dall'Oglio L, Benninga M, Orel R, Vandenplas Y, Keil R, Romano C, Brownstone E, Hlava Š, Gerner P, Dolak W, Landi R, Huber WD, Everett S, Vecsei A, Aabakken L, Amil-Dias J, Zambelli A. Paediatric Gastrointestinal Endoscopy: European Society for Paediatric Gastroenterology Hepatology and Nutrition and European Society of Gastrointestinal Endoscopy Guidelines. J Pediatr Gastroenterol Nutr 2017; 64:133-153. [PMID: 27622898 DOI: 10.1097/mpg.0000000000001408] [Citation(s) in RCA: 140] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This guideline refers to infants, children, and adolescents ages 0 to 18 years. The areas covered include indications for diagnostic and therapeutic esophagogastroduodenoscopy and ileocolonoscopy; endoscopy for foreign body ingestion; corrosive ingestion and stricture/stenosis endoscopic management; upper and lower gastrointestinal bleeding; endoscopic retrograde cholangiopancreatography; and endoscopic ultrasonography. Percutaneous endoscopic gastrostomy and endoscopy specific to inflammatory bowel disease has been dealt with in other guidelines and are therefore not mentioned in this guideline. Training and ongoing skill maintenance are to be dealt with in an imminent sister publication to this.
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Affiliation(s)
- Mike Thomson
- *International Academy for Paediatric Endoscopy Training, Sheffield Children's Hospital, Weston Bank, Sheffield, UK †Digestive Endoscopy Unit, Catholic University, Rome, Italy ‡Gedyt Endoscopy Center, Buenos Aires, Argentina §Department of Pediatric Gastroenterology, Centro Hospitalar de São João, Porto, Portugal ||Department of Pediatric Gastroenterology, Emma Children's Hospital, Academic Medical Center, Amsterdam, The Netherlands ¶Department of Pediatric Gastroenterology and Nutrition, University Children's Hospital Basel, Basel, Switzerland #Department of Gastroenterology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands **Department of Gastroenterology, Nuovo Regina Margherita Hospital, Rome, Italy ††Department of Pediatric Gastroenterology, Alder Hey Children's Hospital, Liverpool, UK ‡‡Department of Pediatric Surgery and Intensive Care, Erasmus MC, Sophia Children's Hospital, Rotterdam, The Netherlands §§Department of Pediatric Gastroenterology, Robert-Debré Hospital, Paris, France ||||Digestive Endoscopy and Surgery Unit, Bambino Gesù Children Hospital-IRCCS, Rome, Italy ¶¶Department of Gastroenterology, Hepatology and Nutrition, University Children's Hospital Ljubljana, Ljubljana, Slovenia ##Pediatric Gastroenterology, UZ Brussel, Vrije Universiteit Brussel, Brussels, Belgium ***Department of Gastroenterology, Motol University Hospital, Prague, Czech Republic †††Department of Pediatrics, University of Messina, Messina, Italy ‡‡‡IV Medical Department, Rudolfstiftung Hospital, Vienna, Austria §§§Department of General Pediatrics, Children's Hospital Freiburg University, Freiburg, Germany ||||||Division of Gastroenterology and Hepatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria ¶¶¶Department of Gastroenterology, Leeds Teaching Hospitals NHS Trust, Leeds, UK ###Department for Pediatric Nephrology and Gastroenterology, Medical University of Vienna, Austria ****GI Endoscopy Unit, OUS, Rikshospitalet University Hospital, Oslo, Norway ††††Gastroenterology and Digestive Endoscopy Unit, Ospedale Nuovo Robbiani di Soresina, Soresina, Italy
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12
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Dauer EH, Ponikau JU, Smyrk TC, Murray JA, Thompson DM. Airway Manifestations of Pediatric Eosinophilic Esophagitis: A Clinical and Histopathologic Report of an Emerging Association. Ann Otol Rhinol Laryngol 2016; 115:507-17. [PMID: 16900805 DOI: 10.1177/000348940611500705] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Objectives: Pediatric eosinophilic esophagitis (EE) typically presents with dysphagia, vomiting, dyspepsia, or food impaction. The purpose of this study was to highlight the emerging association of pediatric EE and airway disease. An additional goal of this study was to describe the unique histopathologic findings found in EE and specifically explore the potential role of the cytotoxic protein called eosinophil major basic protein (MBP) in the pathophysiology of the disease. Methods: A retrospective review of 3 children with EE and airway symptoms included symptom presentation, aerodigestive tract endoscopic findings, ambulatory 24-hour dual pH-metry, allergy tests, treatment modalities, and treatment response. Esophageal tissue obtained from biopsies of each patient was evaluated by hematoxylin and eosin to determine the number of eosinophils per high-power field, by immunofluorescent anti-MBP staining to determine the presence of MBP, and by standard light and transmission electron microscopy to evaluate eosinophil migration patterns. Results: All patients had airway inflammation that included nonspecific laryngeal edema and grade I or II subglottic stenosis. Allergy testing was positive in the 2 patients who were tested. All patients had symptoms refractory to standard reflux therapy. Ambulatory pH-metry findings were normal in 2 patients and abnormal in 1 patient despite maximum treatment. Two patients had visual abnormalities seen during esophageal examination. The number of eosinophils ranged from 20 to 45 per high-power field. Intracellular and extracellular MBP deposition was found in all esophageal biopsy specimens. All patients were treated with swallowed fluticasone, and 2 had symptom relapses that required repeat treatment. Conclusions: The spectrum of pediatric EE can include upper airway disease. Intracellular and extracellular MBP deposition is present in EE, which potentially releases cytotoxic mediators that explain the esophageal and airway clinical symptoms seen in those with the disease. Eosinophilic esophagitis should be considered in patients with a history of atopic diseases and unexplained upper airway findings refractory to reflux treatment. Treatment with swallowed fluticasone is successful; however, relapses are common and require repeat treatment and close follow-up.
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Affiliation(s)
- Eileen H Dauer
- Department of Otorhinolaryngology-Head and Neck Surgery, Mayo Eugenio Litta Children's Hospital Rochester, Minnesota, USA
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13
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Dauer EH, Freese DK, El-Youssef M, Thompson DM. Clinical Characteristics of Eosinophilic Esophagitis in Children. Ann Otol Rhinol Laryngol 2016; 114:827-33. [PMID: 16358601 DOI: 10.1177/000348940511401103] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Objectives: The role of eosinophilic esophagitis (EE) in aerodigestive tract disorders in children is underestimated and overlooked, primarily because of a lack of understanding of this disorder by otolaryngologists. We sought to better characterize the clinical presentation of EE in order to increase awareness among otolaryngologists. Methods: We retrospectively reviewed 71 children with biopsy-proven EE to determine the most common symptoms and laboratory findings that should increase the clinical suspicion of EE. Results: Dysphagia, food impaction, and emesis were the most common symptoms in children with EE. Asthma was the most common airway diagnosis. Rhinosinusitis was the most common otolaryngological diagnosis. Food allergy was present in 60% of the children tested. Eighty-three percent of the children with elevated immunoglobulin E levels had thick linear streaking or patchy white exudate of the esophagus seen on esophagoscopy. Other major medical comorbidities existed in more than half of the children with EE, of which psychiatric disorders and other disorders of the aerodigestive tract were the most common. Conclusions: Eosinophilic esophagitis may contribute to treatment failure in patients with common and complicated aerodigestive tract disorders. To encourage clinicians to avoid overlooking the diagnosis, we present an evaluative algorithm to increase the suspicion of this entity.
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Affiliation(s)
- Eileen H Dauer
- Department of Otorhinolaryngology, Mayo Clinic, Rochester, Minnesota 55905, USA
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14
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Heine RG. Insights into the emerging epidemic of eosinophilic oesophagitis. Best Pract Res Clin Gastroenterol 2015; 29:731-737. [PMID: 26552772 DOI: 10.1016/j.bpg.2015.09.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 08/24/2015] [Accepted: 09/02/2015] [Indexed: 02/07/2023]
Abstract
Eosinophilic oesophagitis (EOE) is a relatively recently recognised condition characterised by an increase in oesophageal eosinophils. EOE occurs in children and adults with a strong male preponderance. There has been a sharp increase in EOE in North America, Europe and Australia. The reasons for this increase remain unclear but are likely to be influenced by genetic and environmental factors, as well as early-life exposures. Based on recent population-based data, the estimated EOE prevalence in the USA is 56.7 per 100,000 persons. The peak prevalence was observed in patients between 35 and 39 years of age. Prevalence figures in Asia and the Middle East generally appear to be lower than in Western countries, but population-based studies are not available. A causal association between coeliac disease and EOE appears unlikely. Data on the seasonal variation of EOE remain inconclusive. Further population-based studies are needed to define the epidemiology of EOE.
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Affiliation(s)
- Ralf G Heine
- Dept. of Gastroenterology & Clinical Nutrition, Royal Children's Hospital, Melbourne, Australia; Dept. of Paediatrics, University of Melbourne, Melbourne, Australia; Murdoch Childrens Research Institute, Melbourne, Australia.
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15
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Management of ingested foreign bodies in children: a clinical report of the NASPGHAN Endoscopy Committee. J Pediatr Gastroenterol Nutr 2015; 60:562-74. [PMID: 25611037 DOI: 10.1097/mpg.0000000000000729] [Citation(s) in RCA: 314] [Impact Index Per Article: 34.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Foreign body ingestions in children are some of the most challenging clinical scenarios facing pediatric gastroenterologists. Determining the indications and timing for intervention requires assessment of patient size, type of object ingested, location, clinical symptoms, time since ingestion, and myriad other factors. Often the easiest and least anxiety-producing decision is the one to proceed to endoscopic removal, instead of observation alone. Because of variability in pediatric patient size, there are less firm guidelines available to determine which type of object will safely pass, as opposed to the clearer guidelines in the adult population. In addition, the imprecise nature of the histories often leaves the clinician to question the timing and nature of the ingestion. Furthermore, changes in the types of ingestions encountered, specifically button batteries and high-powered magnet ingestions, create an even greater potential for severe morbidity and mortality among children. As a result, clinical guidelines regarding management of these ingestions in children remain varied and sporadic, with little in the way of prospective data to guide their development. An expert panel of pediatric endoscopists was convened and produced the present article that outlines practical clinical approaches to the pediatric patient with a variety of foreign body ingestions. This guideline is intended as an educational tool that may help inform pediatric endoscopists in managing foreign body ingestions in children. Medical decision making, however, remains a complex process requiring integration of clinical data beyond the scope of these guidelines. These guidelines should therefore not be considered to be a rule or to be establishing a legal standard of care. Caregivers may well choose a course of action outside of those represented in these guidelines because of specific patient circumstances. Furthermore, additional clinical studies may be necessary to clarify aspects based on expert opinion instead of published data. Thus, these guidelines may be revised as needed to account for new data, changes in clinical practice, or availability of new technology.
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Kassabian S, Baez-Socorro V, Sferra T, Garcia R. Eosinophilic esophagitis in patients with esophageal atresia and chronic dysphagia. World J Gastroenterol 2014; 20:18038-18043. [PMID: 25548504 PMCID: PMC4273156 DOI: 10.3748/wjg.v20.i47.18038] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 07/22/2014] [Accepted: 09/19/2014] [Indexed: 02/06/2023] Open
Abstract
Esophageal atresia (EA) is defined as a discontinuity of the lumen of the esophagus repaired soon after birth. Dysphagia is a common symptom in these patients, usually related to stricture, dysmotility or peptic esophagitis. We present 4 cases of patients with EA who complained of dysphagia and the diagnosis of Eosinophilic esophagitis (EoE) was made, ages ranging from 9 to 16 years. Although our patients were on acid suppression years after their EA repair, they presented with acute worsening of dysphagia. Esophogastroduodenoscopy and/or barium swallow did not show stricture and biopsies revealed elevated eosinophil counts consistent with EoE. Two of 4 patients improved symptomatically with the topical steroids. It is important to note that all our patients have asthma and 3 out of 4 have tested positive for food allergies. One of our patients developed recurrent anastomotic strictures that improved with the treatment of the EoE. A previous case report linked the recurrence of esophageal strictures in patients with EA repair with EoE. Once the EoE was treated the strictures resolved. On the other hand, based on our observation, EoE could be present in patients without recurrent anastomotic strictures. There appears to be a spectrum in the disease process. We are suggesting that EoE is a frequent concomitant problem in patients with history of congenital esophageal deformities, and for this reason any of these patients with refractory reflux symptoms or dysphagia (with or without anastomotic stricture) may benefit from an endoscopic evaluation with biopsies to rule out EoE.
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17
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van Rhijn BD, Oors JM, Smout AJPM, Bredenoord AJ. Prevalence of esophageal motility abnormalities increases with longer disease duration in adult patients with eosinophilic esophagitis. Neurogastroenterol Motil 2014; 26:1349-55. [PMID: 25039642 DOI: 10.1111/nmo.12400] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Accepted: 06/18/2014] [Indexed: 12/14/2022]
Abstract
BACKGROUND During the natural course of eosinophilic esophagitis (EoE), the risk for esophageal stricture formation increases. It remains unknown whether motility abnormalities in EoE also develop over time. We aimed to determine the relationship between disease duration, clinical characteristics, and manometric pattern of EoE patients. METHODS We compared esophageal high-resolution manometry (HRM) measurements of 31 adult EoE patients with HRM data from 31 GERD controls and 31 healthy controls. Subsequently, we assessed differences in disease duration and clinical characteristics between EoE patients with normal and those with abnormal esophageal motility. KEY RESULTS In EoE patients, peristaltic integrity was more frequently failed (12 vs 6%) or weak (27 vs 15%; p < 0.001) compared with healthy controls; however, this pattern was also seen in GERD controls (failed 14%, weak 27%). We found no differences regarding symptoms and signs of EoE between EoE patients with normal (42%) and abnormal motility (58%). However, disease duration was longer in EoE patients with abnormal motility than in those with normal motility (13 (6-18) years vs 4 (1-11) years; p < 0.05). In EoE, but not GERD, disease duration was identified as a risk factor for abnormal motility (OR for each year 1.142; 95% CI 1.004-1.299), and with longer disease duration, the prevalence of abnormal motility increased from 36% (duration 0-5 years) to 83% (duration ≥16 years; p < 0.05). CONCLUSIONS & INFERENCES Weak and failed peristaltic integrity are more often present in adult EoE patients than in healthy controls. The prevalence of manometric abnormalities in EoE patients increases with longer disease duration.
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Affiliation(s)
- Bram D van Rhijn
- Department of Gastroenterology & Hepatology, Academic Medical Center, Amsterdam, The Netherlands
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18
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Eosinophilic esophagitis in a developing country: is it different from developed countries? Gastroenterol Res Pract 2013; 2013:526037. [PMID: 24371436 PMCID: PMC3858865 DOI: 10.1155/2013/526037] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2013] [Revised: 10/11/2013] [Accepted: 10/21/2013] [Indexed: 01/07/2023] Open
Abstract
Background and Objective. Despite the extensive reporting of eosinophilic esophagitis (EoE) from industrialized developed countries, reports from developing countries are rare. The aim of our study was to determine the epidemiological, clinical, and endoscopic features of EoE and response to therapy in children and adults from a developing country, Saudi Arabia. Methods. We identified patients diagnosed with EoE in our center from 2004 to 2011. EoE was defined as esophageal mucosal infiltration with a peak eosinophil count ≥15 eosinophils/high-powered field. Results. Forty-five patients were diagnosed with EoE (37 children and 8 adults; 36 males; median age 10.5 years, range from 1–37 years). Feeding difficulty, vomiting/regurgitation, and failure to thrive predominated in young children, whereas dysphagia and food impactions predominated in older children and adults. Allergy testing revealed food sensitization in 12 of 15 patients (80%); 3 responded to elemental formula, while 8 failed to respond to dietary manipulation after the allergy testing. Thirty-nine patients achieved remission by swallowed inhaled fluticasone. The majority of patients experienced a recurrence of symptoms upon the discontinuation of fluticasone. Conclusion. Our data indicate that EoE is increasingly recognized in Saudi Arabia and show many similarities to data from North America and Europe.
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Abstract
OBJECTIVES The aim of the present study was to conduct a systematic review with meta-analysis on the epidemiology of eosinophilic esophagitis (EoE) in children. METHODS Studies investigating incidence and prevalence of EoE in children (≤ 18 years) were identified in a systematic review of MEDLINE (1950-2011) and Embase (1980-2011). Meta-analyses were performed for incidence and subgroups with ≥ 5 studies: esophagogastroduodenoscopy (EGD) for any indication, histologic esophageal disease, and celiac disease, and EGD for abdominal pain. We used a random effects model, Q statistic to assess heterogeneity, and joinpoint analysis to assess time trends. RESULTS We included 25 studies. The incidence of EoE varied from 0.7 to 10/100,000 per person-year and the prevalence ranged from 0.2 to 43/100,000. The incidence and prevalence increased over time. Prevalence was highest in children with food impaction or dysphagia (63%-88%). The pooled prevalence was 3.7% (95% confidence interval [CI] 2.4-5.1) in EGD for any indication, 24% (95% CI 19-28) in histologic esophageal disease, 2.3% (95% CI 1.0-3.6) in celiac disease, and 2.6% (95% CI 1.2-4.1) in EGD for abdominal pain. CONCLUSIONS During the last 2 decades, the incidence and prevalence of EoE in children have increased significantly; however, the population-based incidence and prevalence of EoE vary widely across geographic variations, potentially because of variations in case of ascertainment between centers. Because EoE is common among children with food impaction and dysphagia, children with this presenting complaint should be rapidly identified at triage for timely endoscopic assessment.
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20
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Kim HP, Vance RB, Shaheen NJ, Dellon ES. The prevalence and diagnostic utility of endoscopic features of eosinophilic esophagitis: a meta-analysis. Clin Gastroenterol Hepatol 2012; 10:988-96.e5. [PMID: 22610003 PMCID: PMC3424367 DOI: 10.1016/j.cgh.2012.04.019] [Citation(s) in RCA: 224] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2012] [Revised: 04/12/2012] [Accepted: 04/26/2012] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Endoscopic findings such as esophageal rings, strictures, narrow-caliber esophagus, linear furrows, white plaques, and pallor or decreased vasculature might indicate the presence of eosinophilic esophagitis (EoE). We aimed to determine the prevalence and diagnostic utility of endoscopic features of EoE. METHODS We conducted a systematic review and meta-analysis. PubMed, EMBASE, and gastrointestinal meeting abstracts were searched to identify studies that included more than 10 patients with EoE and reported endoscopic findings. Pooled prevalence, sensitivity, specificity, and predictive values were calculated using random- and mixed-effects models. RESULTS The search yielded 100 articles and abstracts on 4678 patients with EoE and 2742 without (controls). In subjects with EoE, the overall pooled prevalence was as follows: esophageal rings, 44%; strictures, 21%; narrow-caliber esophagus, 9%; linear furrows, 48%; white plaques, 27%; and pallor/decreased vasculature, 41%. Substantial heterogeneity existed among studies. Results from endoscopy examinations were normal in 17% of patients, but this number decreased to 7% when the analysis was limited to prospective studies (P < .05). Overall levels of sensitivity were modest, ranging from 15% to 48%, whereas levels of specificity were greater, ranging from 90% to 95%. Positive predictive values ranged from 51% to 73% and negative predictive values ranged from 74% to 84%. CONCLUSIONS There is heterogeneity among studies in the reported prevalence of endoscopic findings in patients with EoE, but in prospective studies at least 1 abnormality was detected by endoscopy in 93% of patients. The operating characteristics of endoscopic findings alone are inadequate for diagnosis of EoE. Esophageal biopsy specimens should be obtained from all patients with clinical features of EoE, regardless of the endoscopic appearance of the esophagus.
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Affiliation(s)
- Hannah P. Kim
- Center for Esophageal Diseases and Swallowing, Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC
| | - R. Brooks Vance
- Center for Esophageal Diseases and Swallowing, Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC
| | - Nicholas J. Shaheen
- Center for Esophageal Diseases and Swallowing, Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC
- Center for Gastrointestinal Biology and Disease, Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC
| | - Evan S. Dellon
- Center for Esophageal Diseases and Swallowing, Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC
- Center for Gastrointestinal Biology and Disease, Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC
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Aceves S, Hirano I, Furuta GT, Collins MH. Eosinophilic gastrointestinal diseases--clinically diverse and histopathologically confounding. Semin Immunopathol 2012; 34:715-31. [PMID: 22842863 DOI: 10.1007/s00281-012-0324-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2012] [Accepted: 06/20/2012] [Indexed: 12/19/2022]
Abstract
Eosinophilic gastrointestinal diseases are a group of chronic diseases characterized by a range of symptoms caused by eosinophilic inflammation of various parts of the gastrointestinal tract. Other causes for eosinophilia need to be ruled out prior to making the diagnosis of EGIDs. The most common form of EGID is eosinophilic esophagitis (EoE), an antigen-driven disease that afflicts children and adults and has been identified across the world. Histological features include dense eosinophilia of the esophageal mucosa, eosinophil degranulation, eosinophil microabscess formation, and other features of epithelial inflammation including basal zone hyperplasia and rete pege elongation. Treatments include dietary exclusions and topical corticosteroids.
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Affiliation(s)
- Seema Aceves
- Division of Allergy, Immunology, Department of Pediatrics, University of California, San Diego, La Jolla, CA, USA
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22
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Joo MK, Park JJ, Kim SH, Kim KH, Jung W, Yun JW, Lee BJ, Kim JH, Yeon JE, Kim JS, Byun KS, Lee SW, Bak YT. Prevalence and endoscopic features of eosinophilic esophagitis in patients with esophageal or upper gastrointestinal symptoms. J Dig Dis 2012; 13:296-303. [PMID: 22624552 DOI: 10.1111/j.1751-2980.2012.00589.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE This study was aimed to evaluate the prevalence of eosinophilic esophagitis (EoE) among patients with esophageal or upper gastrointestinal (UGI) symptoms. METHODS Patients with esophageal or UGI symptoms including dysphagia food impaction, acid regurgitation, heartburn, chest pain, epigastric pain, nausea and/or vomiting were prospectively collected. The enrolled patients responded to a symptomatic questionnaire and underwent an esophagogastroduodenoscopy and esophageal biopsies. Supportive endoscopic findings of EoE (ring-like appearance, liner furrows, whitish papules, shearing or friability) were recorded. EoE was diagnosed if patients had chronic UGI or esophageal symptoms, the esophageal biopsy showed ≥15 eosinophils/high-power field and were unresponsive to 2-3 weeks of proton pump inhibitors. RESULTS A total of 122 patients were enrolled and supportive endoscopic findings were found in 31 (25.4%) patients [whitish papules: 19 (15.6%), ring-like appearance: 8 (6.6%), linear furrows: 5 (4.1%)]. One patient had a simultaneous ring-like appearance and linear furrows. EoE was diagnosed in 8 (6.6%) patients and supportive endoscopic findings and past history of gastroesophageal reflux disease, allergic rhinitis and atopic dermatitis were more common in EoE positive than EoE negative patients. The diagnostic yield of endoscopic findings was 40.0% (2/5) in linear furrows, 25.0% (2/8) in ring-like appearance and 15.8% (3/19) in whitish papules. CONCLUSION Prevalence of EoE among patients with esophageal or UGI symptoms was 6.6%. Linear furrows and ring-like appearance had a relatively high diagnostic value.
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Affiliation(s)
- Moon Kyung Joo
- Department of Internal Medicine, Guro Hospital, Korea University College of Medicine, Seoul, Korea
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23
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Abonia JP, Putnam PE. Mepolizumab in eosinophilic disorders. Expert Rev Clin Immunol 2011; 7:411-7. [PMID: 21790283 DOI: 10.1586/eci.11.27] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Mepolizumab (Bosatria(®), GlaxoSmithKline) is a biologic agent developed to treat asthma. It represents a humanized monoclonal antibody of IgG1 κ type, which targets human IL-5 and thus prevents its interaction with the α-chain of the IL-5 receptor. To date, it has not been approved for use in any eosinophil-related disorder; however, several studies have suggested some therapeutic benefit across a spectrum of eosinophil-related disorders. This article evaluates the currently available preclinical and clinical studies, and the impact of mepolizumab against a variety of eosinophilic disorders.
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Affiliation(s)
- J Pablo Abonia
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, 3333 Burnet Avenue, ML2010, Cincinnati, OH 45229-3039, USA
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Abstract
Eosinophilic esophagitis (EoE) now represents a commonly recognized disorder among both pediatric and adult patients presenting to allergy and gastroenterology clinics throughout the world. The consequences of this localized and eosinophil-predominant inflammation of the esophagus can have an outsized and profound systemic and emotional impact for patients and their families. Unlike gastroesophageal reflux disease (GERD), whose symptoms closely overlap with those of EoE, EoE represents a primarily antigen-driven disorder whose symptoms and pathology are therapeutically mitigated with either long-term dietary control or chronic steroid therapies, rather than the acid-suppressive medications that are the mainstay of GERD treatment. Beyond the dissimilarities in their responses to treatment, these disorders are distinct in their gene expression profiles, heredity, genetic underpinning, and linkage with atopy. The antigen-driven nature of EoE has been reinforced by the remarkable impact of therapies utilizing elemental formulas to control the disease as well as a number of reports linking aeroallergens to seasonal worsening of disease.
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Affiliation(s)
- J Pablo Abonia
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229-3039, USA.
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Moawad FJ, Maydonovitch CL, Veerappan GR, Bassett JT, Lake JM, Wong RKH. Esophageal motor disorders in adults with eosinophilic esophagitis. Dig Dis Sci 2011; 56:1427-31. [PMID: 21416245 DOI: 10.1007/s10620-011-1655-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2010] [Accepted: 02/17/2011] [Indexed: 02/01/2023]
Abstract
BACKGROUND An association between eosinophilic esophagitis (EoE) and esophageal motility disorders has been described in small studies. AIMS The aim of this study was to describe the prevalence of esophageal motor disorders in a large cohort of adults with EoE and examine whether an association exists between esophageal dysmotility and dysphagia. METHODS A retrospective review of esophageal manometry studies in adult EoE patients was performed. Tracings were reviewed for abnormalities including nutcracker esophagus and ineffective swallows, defined as low amplitude peristalsis (<30 mmHg) or non-propagating contractions. Ineffective esophageal motility (IEM) was categorized as mild (30-40% ineffective swallows), moderate (50-60% ineffective swallows), and severe (≥70% ineffective swallows). Dysphagia was graded on a 0-3 scale for frequency and severity. RESULTS Seventy-five tracings from EoE patients were reviewed (85% male, mean age 41 ± 12 years). IEM was identified in 25 patients and categorized as mild (n = 13), moderate (n = 6), and severe (n = 6). Nutcracker esophagus was found in three patients. There was no significant difference in eosinophil count among the motility groups: normal 46.5 ± 3.1, mild IEM 56.9 ± 36.9, moderate IEM 45.5 ± 23.7, severe IEM 34.3 ± 12.6 (P = 0.157). CONCLUSIONS In this cohort of EoE patients, the majority had normal esophageal motility studies, although a subset of these patients had some esophageal dysmotility. It is unlikely that esophageal dysmotility is a major contributing factor to dysphagia, although it is reasonable to consider esophageal manometry testing in EoE patients to identify potential abnormalities of the smooth muscle esophagus.
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Affiliation(s)
- Fouad J Moawad
- Gastroenterology Service, Department of Medicine, Walter Reed Army Medical Center, 6900 Georgia Avenue, NW, Washington, DC 20307, USA.
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Abstract
OBJECTIVE The aim of the study was to measure clinicopathological features of children presenting to a tertiary care emergency department with esophageal food impaction. MATERIALS AND METHODS A retrospective chart review of children with esophageal food impaction seen between January 1, 2005 and June 30, 2009, including all patients from age 1 month to 18 years with esophageal food impaction at a pediatric emergency department, was performed. RESULTS Initial screening of International Classification of Disease, 9th Revision, discharge diagnosis identified 698 children with an esophageal foreign body. Of this group, 72 esophageal food impaction events were identified in 65 children (69% boys), 49 of whom required endoscopic intervention. Endoscopic appearances of the esophageal mucosa were abnormal in 40 (82%), revealing evidence of esophagitis (55%) or stricture (27%). Twenty-four of the subjects had biopsies taken at the time of endoscopy. Inflammation, described as increased eosinophils, basilar hyperplasia, rete peg elongation, and/or microabscess, was present in 76% of mucosal samples. Follow-up endoscopy in 12 children identified an etiology in 9, five of whom were found to have eosinophilic esophagitis. CONCLUSIONS The majority of children with esophageal food impaction who underwent endoscopic evaluation and biopsy have an underlying potentially treatable cause. We therefore recommend that all of the children with esophageal food impaction have mucosal biopsies at the time of endoscopic disimpaction with appropriate follow-up to allow for diagnosis and management of the underlying etiology.
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27
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Approach to dysphagia in the young patient in the era of eosinophilic esophagitis. Curr Gastroenterol Rep 2010; 12:181-8. [PMID: 20431968 DOI: 10.1007/s11894-010-0101-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Eosinophilic esophagitis (EoE) has emerged as an important cause of dysphagia and food impactions in young adults. Previously considered a rare condition, an increasing number of cases of EoE have been attributable to a rising incidence and a growing awareness of the condition. Typical endoscopic features include concentric mucosal rings, linear furrowing, white exudates, and a narrow caliber esophagus. Current consensus guidelines define EoE by 1) the presence of characteristic symptoms, especially dysphagia and food impactions in adults, 2) >or= 15 eosinophils per high power field in esophageal tissue, and 3) exclusion of other disorders with similar presentations (eg, gastroesophageal reflux disease). Current knowledge about the pathophysiology implicates food allergens, aeroallergens, and genetic factors. The main treatment options for EoE are proton pump inhibitors, dietary manipulation, and topical or oral glucocorticoids. Endoscopic dilation may be performed in patients who do not respond to medical therapy. This review highlights recent insights into the diagnosis and management of EoE in young adults.
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Esophageal dysmotility in children with eosinophilic esophagitis: a study using prolonged esophageal manometry. Am J Gastroenterol 2009; 104:3050-7. [PMID: 19755968 PMCID: PMC3077103 DOI: 10.1038/ajg.2009.543] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVES The pathophysiology of dysphagia in patients with eosinophilic esophagitis (EoE) is unknown but may be related to abnormal esophageal motor function. Symptoms rarely occur during stationary esophageal manometry, so it has been difficult to establish an association between symptoms and motor events. Our aim was to evaluate esophageal motor function in children with EoE with the use of stationary manometry and ambulatory prolonged esophageal manometry and pH-metry (PEMP). METHODS PEMP was performed in children with EoE and compared with controls and children with gastroesophageal reflux disease (GERD). Peristalsis was considered effective when the esophageal contractions had a normal amplitude and propagation. Results are expressed as mean+/-s.e. RESULTS Seventeen patients with EoE, 13 with GERD, and 11 controls were studied. Values are expressed as mean+/-s.e. Stationary manometry identified abnormal peristalsis in 41% of children with EoE. During PEMP, children with EoE had an increased number of isolated (16.7+/-3.8 vs. 9.5+/-1.6 vs. 6.5+/-1.1; P<0.03) and high-amplitude contractions (4.1+/-1.2 vs. 1.8+/-0.8 vs. 0.1+/-0.1; P<0.03), and higher percentage ineffective peristalsis both during fasting (70.5%+/-2.5 vs. 57.8%+/-3.0 vs. 53.8%+/-1.9; P<0.05) and during meals (68.4+/-3.4 vs. 55.3+/-2.8 vs. 48.1+/-2.8; P<0.05) when compared with children with GERD and controls. Thirteen patients with EoE experienced 21 episodes of dysphagia, and all correlated with simultaneous abnormal motor function. CONCLUSIONS PEMP allowed the detection of ineffective peristalsis in children with EoE. Symptoms observed in children with EoE may be related to esophageal motor dysfunction.
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Abstract
Previously considered a rare condition, eosinophilic oesophagitis (EoE) has become increasingly recognized as an important cause of dysphagia and food impactions in adults. This is likely attributable to a combination of an increasing incidence of EoE and a growing awareness of the condition. EoE may occur in isolation or in conjunction with eosinophilic gastroenteritis. However, the burgeoning field is likely attributable to the variant that uniquely affects the oesophagus. Adults classically present with symptoms of dysphagia, food impactions, and heartburn. Typical endoscopic features include concentric mucosal rings, linear furrowing, white plaques or exudates and a narrow caliber oesophagus. In some cases, the endoscopic features may appear normal. For years, EoE went unrecognized because eosinophilic infiltration was accepted as a manifestation of reflux, which continues to be a confounding factor in some patients. Current consensus is that the diagnosis of EoE is established by 1) the presence of symptoms, especially dysphagia and food impactions in adults, 2) > or =15 eosinophils per high power field in oesophageal tissue, and 3) exclusion of other disorders with similar presentations such as GERD. Current understanding of EoE pathophysiology and natural history are limited but the entity has been increasingly linked to food allergies and aeroallergens. The main treatment options for EoE are proton pump inhibitors, dietary manipulation, and topical or oral glucocorticoids. This review highlights recent insights into EoE in adults although, clearly, much of the available data overlap with pediatrics and, occasionally, with eosinophilic gastroenteritis.
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Affiliation(s)
- N Gonsalves
- Division of Gastroenterology, Department of Medicine, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611-2951, USA
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30
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Abstract
Eosinophilic esophagitis (EE) is a chronic inflammatory disease of the esophagus which is characterized by the presence of dense infiltrate of eosinophilic leukocytes restricted to this organ mucosa. Accumulating published evidence suggests a strong role of mast cells in the inflammatory infiltrate in the physiopathology of EE. We have reviewed published articles with relevant information about the presence and possible role of mast cells in EE. Although mast cells have been studied indirectly in EE, reported data allow us to confirm that the number of mast cells infiltrating the esophageal epithelium in adult and child patients with EE is higher with respect to the normal state and in gastroesophageal reflux disease. Mast cells linked to IgE, which are not found in other conditions, have been identified in EE. Despite that fact, an anaphylactic reaction history after exposure to allergens is not common in these patients. Therefore, the mast cells' function in EE could be dependent on T lymphocytes, as suggested by a mast cell gene expression analysis. Bi-directional crosstalk is established between mast cells and eosinophils, hence establishing interesting hypotheses regarding their relationship to EE physiopathology. Mast cells' function as an immune response leader seems to substitute for their effector functions in EE, while at the same time opening new research pathways for consideration of these cells as a therapeutic target in EE. However, the inefficiency of therapies that inhibit mast cell functions while they are effective in other respiratory tract diseases results in the need for specific studies to identify the real function of such complex cells in the physiopathology of EE. There is indirect proof of the role of mast cells in EE, while many doubts exist about their activation mechanism, which does not seem to be IgE-mediated. Specific approach studies are needed to clarify the function of these cells in the physiopathology of EE, which could be a possible therapeutic target.
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Affiliation(s)
- Alfredo J Lucendo
- Department of Gastroenterology, Hospital General de Tomelloso, Tomelloso, Spain.
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31
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Hejazi RA, Reddymasu SC, Sostarich S, McCallum RW. Disturbances of esophageal motility in eosinophilic esophagitis: a case series. Dysphagia 2009; 25:231-7. [PMID: 19707817 DOI: 10.1007/s00455-009-9248-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2009] [Accepted: 08/11/2009] [Indexed: 11/24/2022]
Abstract
Esophageal manometry (EM) findings were reviewed in 14 (13 male) adults diagnosed with eosinophilic esophagitis (EE). One had complete nonperistaltic contractions (amplitude range = 30-180 mmHg) and incomplete relaxation of the lower esophageal sphincter (LES), suggesting vigorous achalasia. After 6 months of steroid therapy the repeat EM showed near-normal findings. One had total aperistalsis with contraction amplitudes less than 10 mmHg and a weak LES pressure (8 mmHg), criteria suggesting scleroderma. Two had low-amplitude (<30 mmHg) nonperistaltic contractions limited to the mid-esophagus. Criteria for nutcracker esophagus were met in two patients. Isolated low LES pressure (<15 mmHg) was observed in four patients who were also receiving proton pump inhibitors, and the remainder had normal EM findings. Our results found that EE can mimic all the categories of EM disturbances, with approximately 50% of our patients having a major impairment of smooth muscle function. The EM abnormality can be reversed to normal in some cases with appropriate treatment for EE.
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Affiliation(s)
- Reza A Hejazi
- Division of Gastroenterology, Department of Medicine, Kansas University Medical Center, 3901 Rainbow Blvd., MS-1058, Kansas City, KS 66160-7350, USA.
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32
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33
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Abstract
Eosinophilic esophagitis (EoE) is a chronic esophageal inflammatory disease of undetermined pathophysiology that results in dense mucosal eosinophilia and esophageal dysfunction. In childhood, vague symptoms associated with GERD and feeding difficulties are the first manifestations of EoE. Adults typically present with dysphagia and food impaction. No pathognomonic features have been identified for EoE and, therefore, its diagnosis must be made on both clinical and histological grounds. Effective treatments rely on steroids and dietary exclusions.
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Bassett J, Maydonovitch C, Perry J, Sobin L, Osgard E, Wong R. Prevalence of esophageal dysmotility in a cohort of patients with esophageal biopsies consistent with eosinophilic esophagitis. Dis Esophagus 2009; 22:543-8. [PMID: 19302212 DOI: 10.1111/j.1442-2050.2009.00949.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Eosinophilic esophagitis (EoE) is increasingly being diagnosed in adults presenting with dysphagia, food impactions, and chest pain. Studies to date provide conflicting data on the association of EoE and esophageal dysmotility. The objective of this study was to evaluate the prevalence of esophageal dysmotility in a cohort of patients with biopsies consistent with EoE at a military treatment facility. This is a prospective evaluation of consecutively identified patients at our institution diagnosed with EoE from March 1, 2005 to June 1, 2007. Thirty-two patients with biopsies consistent with EoE completed a symptom survey and 30 underwent esophageal manometry. The majority of EoE patients (23/30, 77%) had a normal end-expiratory lower esophageal sphincter (LES) pressure (normal range 10-35), whereas six patients had a low-normal LES pressure (6-9 mm Hg) and one patient had a decreased LES pressure (<5 mm Hg). Five patients (15.6%) were diagnosed with a nonspecific esophageal motor disorder (NSEMD). Two patients had high mean esophageal amplitude contractions >180 mm Hg (188 mm Hg, 209 mm Hg). No patient was diagnosed with nutcracker esophagus or diffuse esophageal spasm. Patients with and without NSEMD reported a similar degree of swallowing difficulty, heartburn, belching, chest pain, regurgitation, symptoms at night, and total symptom score. Likewise, eosinophil count on mucosal biopsy was similar between patients with and without a NSEMD. In this cohort, we found the prevalence of an NSEMD to be similar to that of a 10% prevalence found in a gastroesophageal reflux population.
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Affiliation(s)
- J Bassett
- Department of Gastroenterology, Naval Hospital, Jacksonville, Florida 32214, USA.
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35
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Abstract
BACKGROUND Eosinophilic oesophagitis (EO) is a chronic inflammatory disease of the oesophagus, with an emergent character, defined by the presence of a dense infiltrate by eosinophilic leukocytes restricted to the mucosa of this organ after excluding gastro-oesophageal acid reflux. It is manifested by chronic and/or recurrent dysphagia and episodes of oesophageal alimentary impaction, with great variation in terms of intensity, frequency, and duration of the attacks. METHODS An Internet-based search was performed for the most recent articles with relevant information concerning immunopathological mechanisms involved in EO. RESULTS Bibliographical data allow us to define that EO is related to an allergic or hypersensitivity-induced reaction after exposure to foods or inhalants, with increased prevalence of sensitisation to these allergens. Data published up to now suggest a cellular hypersensitivity reaction rather than a humoral one in the physiopathology of EO. In this disease, sensitised T-lymphocytes mediate a Th2 type response, releasing cytokines such as IL-5, with a possible Th1 component that requires further investigation. The function of the abundant CD8+ T-lymphocytes present in the oesophageal epithelium has yet to be explained. Mast cells also participate in epithelial inflammatory infiltrate in EO, and it is still unknown if its activation, mainly through IgE, contributes to the immunopathology of the disease even though EO rarely manifests immediate hypersensitivity reactions. IL-5 and different forms of eotaxins perform an important active role in the recruitment of eosinophils to the oesophagus. CONCLUSIONS EO is an immunologically complex and little studied entity that is associated with other allergic diseases and in which different effector cells participate, determining an immunological response of cellular rather than a humoral hypersensitivity reaction. The data available point out that EO is a disorder of the Th2 retarded immune response, in which the triggering factor might not be IgE. Although the final inflammatory phenomena observed in EO are common for the different patients, the cascade of inflammatory mediators that lead to them might not be identical in all cases, and the morphological and functional disorders observed in EO would represent the final convergence of different activation forms of the mechanisms of inflammation.
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Affiliation(s)
- A J Lucendo
- Department of Gastroenterology. Complejo Hospitalario La Mancha Centro. Alcázar de San Juan-Tomelloso. Ciudad Real. Spain
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36
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Abstract
Eosinophilic esophagitis is increasingly recognized in adults. The diagnosis is based on the presence of both typical symptoms and pathologic findings on esophageal biopsy. Patients usually present with dysphagia, food impaction and/or reflux-like symptoms, and biopsy of the esophagus shows more than 15 eosinophils per high-power field. In addition, it is essential to exclude the presence of known causes of tissue eosinophilia such as gastroesophageal reflux disease, infections, malignancy, collagen vascular diseases, hypersensitivity, and inflammatory bowel disease. There are no standardized protocols for the therapy of eosinophilic esophagitis. A variety of therapeutic approaches including acid suppression, dietary modifications, topical corticosteroids and endoscopic dilation can be used alone or in combination.
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37
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Abstract
OBJECTIVES It is not known whether the prevalence of childhood esophagitis has changed over time. In children, the intraepithelial eosinophil is considered the hallmark of esophageal inflammation. This study compares the prevalence of intraepithelial eosinophils in esophageal biopsies obtained from 1980-1988 and 2001-2002. PATIENTS AND METHODS This study reevaluated all of the esophageal biopsies obtained at a single center during 2 periods: 1980-1988 and 2001-2002. Histological appearances were characterized and eosinophils per high-power field were quantified. RESULTS In total, 1058 esophageal biopsies from 510 subjects were reviewed. Between 1980 and 1988, 247 biopsies from 188 subjects were evaluated. Of these, 62 subjects met the criteria for esophageal disease, and 106 had no specific pathological changes. Between 2001 and 2002, 811 biopsies from 322 subjects were evaluated. Of these, 132 subjects met the criteria for esophageal disease, and 182 had no specific pathological changes. A statistically significant increase in the prevalence of esophageal inflammatory disease was observed comparing the recent group with the remote group. Eosinophilic esophagitis is thought to be distinct from other types of esophagitis in pathogenesis, epidemiology, histology, and treatment. Some suggest the prevalence of eosinophilic esophagitis has increased in recent years. We sought evidence for an increase in histological changes consistent with eosinophilic esophagitis. No matter whether histology consistent with eosinophilic esophagitis was defined as 25, 20, 15, or 10 eosinophils per high-power field, no increase in prevalence was found. CONCLUSIONS This study demonstrated no evidence for a change in the density of eosinophilic infiltrates in esophageal biopsies during the 22-year study period. The study showed a statistically significant increase in the prevalence of esophageal inflammatory disease across the same period.
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Blanchard C, Mingler MK, McBride M, Putnam PE, Collins MH, Chang G, Stringer K, Abonia JP, Molkentin JD, Rothenberg ME. Periostin facilitates eosinophil tissue infiltration in allergic lung and esophageal responses. Mucosal Immunol 2008; 1:289-96. [PMID: 19079190 PMCID: PMC2683986 DOI: 10.1038/mi.2008.15] [Citation(s) in RCA: 206] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Periostin is an extracellular matrix protein that has been primarily studied in the context of the heart, where it has been shown to promote cardiac repair and remodeling. In this study, we focused on the role of periostin in an allergic eosinophilic inflammatory disease (eosinophilic esophagitis (EE)) known to involve extensive tissue remodeling. Periostin was indeed markedly overexpressed (35-fold) in the esophagus of EE patients, particularly in the papillae, compared with control individuals. Periostin expression was downstream from transforming growth factor-beta and interleukin-13, as these cytokines were elevated in EE esophageal samples and markedly induced periostin production by primary esophageal fibroblasts (107- and 295-fold, respectively, at 10 ng ml(-1)). A functional role for periostin in eliciting esophageal eosinophilia was demonstrated, as periostin-null mice had a specific defect in allergen-induced eosinophil recruitment to the lungs and esophagus (66 and 72% decrease, respectively). Mechanistic analyses revealed that periostin increased (5.8-fold) eosinophil adhesion to fibronectin. As such, these findings extend the involvement of periostin to esophagitis and uncover a novel role for periostin in directly regulating leukocyte (eosinophil) accumulation in T helper type 2-associated mucosal inflammation in both mice and humans.
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Affiliation(s)
- C Blanchard
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - MK Mingler
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - M McBride
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - PE Putnam
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - MH Collins
- Division of Pathology and Laboratory Medicine, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - G Chang
- Division of Pathology and Laboratory Medicine, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - K Stringer
- Division of Pathology and Laboratory Medicine, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - JP Abonia
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - JD Molkentin
- Division of Molecular Cardiology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - ME Rothenberg
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
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Ireland-Jenkin K, Wu X, Heine RG, Cameron DJS, Catto-Smith AG, Chow CW. Oesophagitis in children: reflux or allergy? Pathology 2008; 40:188-95. [PMID: 18203041 DOI: 10.1080/00313020701813727] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The prevalence of eosinophilic oesophagitis appears to be increasing in many countries, sometimes rapidly, although this may be partly due to increased disease recognition. Histological methods of assessment and diagnostic criteria vary considerably between major clinical centres. Oesophagitis with over 20 intraepithelial eosinophils per high power field is more likely to be due to allergy than gastro-oesophageal reflux induced acid-peptic mucosal injury. Typical eosinophilic oesophagitis shows involvement of the entire oesophagus, with basal cell proliferation occupying more than 50% of the thickness of the surface epithelium, and high numbers of intraepithelial eosinophils, sometimes concentrated on the surface or as contiguous clusters. Ulceration and prominent neutrophils are atypical and should suggest an alternative or co-existent disease. On endoscopy, the oesophagus may display the typical 'corrugated' mucosal appearance. Clinically, dysphagia or food impaction are the most characteristic symptoms. There is a strong association with other atopic diseases, especially asthma and eczema. To date no evidence has emerged of an increased malignancy risk. Patients with eosinophilic oesophagitis typically fail to respond to acid suppressive medications but respond well to either elemental/elimination diets or aerosolised swallowed corticosteroids. Long-term uncontrolled oesophageal eosinophilic inflammation may lead to progressive subepithelial fibrosis, potentially resulting in strictures or oesophageal narrowing.
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Affiliation(s)
- Kerryn Ireland-Jenkin
- Department of Anatomical Pathology, Royal Children's Hospital, Melbourne, Victoria, Australia
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40
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Schaefer ET, Fitzgerald JF, Molleston JP, Croffie JM, Pfefferkorn MD, Corkins MR, Lim JD, Steiner SJ, Gupta SK. Comparison of oral prednisone and topical fluticasone in the treatment of eosinophilic esophagitis: a randomized trial in children. Clin Gastroenterol Hepatol 2008; 6:165-73. [PMID: 18237866 DOI: 10.1016/j.cgh.2007.11.008] [Citation(s) in RCA: 305] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND & AIMS Although eosinophilic esophagitis is recognized increasingly, outcome data guiding therapy are limited. We conducted a prospective randomized trial comparing oral prednisone (P) and swallowed fluticasone (F) for histologic and clinical response. METHODS Patients were randomized to receive P or F for 4 weeks, followed by an 8-week weaning protocol. Esophageal histology was evaluated at baseline and after 4 weeks of therapy. Clinical assessments were performed at weeks 0, 4, 12, 18, and 24. RESULTS Eighty patients with eosinophilic esophagitis were enrolled: 40 in the P arm and 40 in the F arm. Histologic improvement was seen in 30 of 32 P and 34 of 36 F patients, with a greater degree of histologic improvement in the P group. All P and 35 of 36 F patients were free of presenting symptom(s) at week 4. Symptom relapse was seen in 45% of patients by week 24. Kaplan-Meier analysis showed no difference between P and F with regard to relapse rate (P = .7399). No significant difference in time to relapse was found between groups (P = .2529). Systemic adverse effects were noted in 40% of the P arm, whereas esophageal candidal overgrowth was seen in 15% of the F arm. CONCLUSIONS Systemic and topical corticosteroids were effective in achieving initial histologic and clinical improvement. P resulted in a greater degree of histologic improvement, without evidence of an associated clinical advantage over F in terms of symptom resolution, relapse rates, or time to relapse. Symptom relapse was common to both groups upon therapy discontinuation, highlighting the need for maintenance treatment protocols.
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Affiliation(s)
- Elizabeth T Schaefer
- Indiana University School of Medicine, James Whitcomb Riley Hospital for Children, Division of Pediatric Gastroenterology, Indianapolis, Indiana 46202, USA
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Abstract
Atopy has been linked to eosinophilic gastrointestinal disorders because of the role eosinophils play in atopic disorders. It has also been found that these disorders coexist. The goal of this article is to take a step back, and considering only eosinophilic esophagitis, attempt to determine from the available body of clinical and research literature: (1) Is the coexistence of these disorders attributable to a preconceived bias? If so, what is the source of the bias and how can it be removed? (2) Is there a cause and effect relationship? If so, can this relationship be harnessed for diagnostic and therapeutic modalities?
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42
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Eosinophilic esophagitis: history, nomenclature, and diagnostic guidelines. Gastrointest Endosc Clin N Am 2008; 18:1-9; vii. [PMID: 18061097 DOI: 10.1016/j.giec.2007.09.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Previously believed a rare condition, there has been a rising number of cases of eosinophilic esophagitis in adult and pediatric populations over the past several years. Because of this increase, it is important for clinicians to be able to recognize, diagnose, and manage this disease. This article focuses on the history and nomenclature of eosinophilic esophagitis and its evolution as a separate entity from gastroesophageal reflux disease. It also outlines currently accepted diagnostic criteria for this increasingly common condition.
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43
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Abstract
Eosinophilic esophagitis (EE) is an inflammatory disease of the esophagus characterized by eosinophilic infiltration of the esophageal mucosa. Symptoms of EE are variable, and include gastroesophageal reflux symptoms, abdominal pain, growth failure, and dysphagia. Dysphagia is a more common presentation in adults and older children. Serious complications of EE consisting of esophageal food impactions necessitating urgent endoscopic removal of the food and esophageal strictures requiring endoscopic balloon dilatations are also seen. The potential severity of these symptoms points to the importance of proper recognition and management of the disease, especially given that EE has become more prevalent over the past decade. In this article, available evidence on the epidemiology and etiology of EE is discussed.
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44
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Nurko S, Rosen R. Esophageal dysmotility in patients who have eosinophilic esophagitis. Gastrointest Endosc Clin N Am 2008; 18:73-89; ix. [PMID: 18061103 PMCID: PMC3001401 DOI: 10.1016/j.giec.2007.09.006] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The understanding of esophageal motility alterations in patients who have eosinophilic esophagitis (EE) is in its infancy despite the common presenting complaint of dysphagia. A diversity of motility disorders has been reported in patients who have EE including achalasia, diffuse esophageal spasm, nutcracker esophagus, and nonspecific motility alterations including high-amplitude esophageal body contractions, tertiary contractions, abnormalities in lower esophageal sphincter pressure, and other peristaltic problems. Some evidence suggests that treatment of EE will improve motility. Technological advances such as high-resolution manometry and combined manometry with impedance may provide new insight into more subtle motility abnormalities.
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45
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Abstract
The pathology of eosinophilic esophagitis (EE) when fully developed in humans is highly characteristic and readily discriminated from the histology of the normal esophagus. The histologic alterations are not pathognomonic for any of the multiple causes of EE, and the correct diagnosis can be made only if the histology is correlated with clinical findings. The histology of the normal esophagus is reviewed and contrasted with the findings in EE. The characteristic findings in EE are illustrated. Selected research in humans and animal models pertinent to EE are briefly reviewed.
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46
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Dellon ES, Aderoju A, Woosley JT, Sandler RS, Shaheen NJ. Variability in diagnostic criteria for eosinophilic esophagitis: a systematic review. Am J Gastroenterol 2007; 102:2300-13. [PMID: 17617209 DOI: 10.1111/j.1572-0241.2007.01396.x] [Citation(s) in RCA: 183] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Eosinophilic esophagitis (EoE) is an emerging clinicopathologic entity defined by abnormal esophageal eosinophilic infiltration. Our understanding of this disease is hampered by the lack of a uniform diagnostic standard. The aim of this systematic review was to determine the range of diagnostic strategies and histologic criteria in the EoE literature. METHODS The MEDLINE-indexed literature from 1950 through December 31, 2006 was independently searched by two investigators. To identify additional relevant studies, bibliographies were hand searched, as were the published proceedings of the 2000-2006 American College of Gastroenterology and American Gastroenterological Association national meetings. Data were extracted from all human EoE case reports, case series, cross-sectional and cohort studies, and clinical trials. RESULTS Of 318 publications initially identified, 116 original articles, 39 abstracts, and 69 reviews were included. We found 10 different histologic definitions of EoE, ranging from 5 to 30 eosinophils per high-powered field (hpf), though 41 (35%) of the original articles did not state their diagnostic criteria. In the 13 original articles (11%) reporting an hpf area, the eosinophil density per mm(2) varied 23-fold. There was also variation in esophageal biopsy protocols, but specific protocols were reported in just 45 (39%) original articles. CONCLUSIONS Significant variability in diagnostic criteria for eosinophilic esophagitis exists, and in a large proportion of studies, criteria are not reported. Because of this lack of a common disease definition, conclusions drawn from the cumulative EoE literature should be viewed with caution. A consensus research-quality standard for diagnosis of eosinophilic esophagitis is needed.
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Affiliation(s)
- Evan S Dellon
- Center for Esophageal Diseases and Swallowing, and Center for Gastrointestinal Biology and Disease, Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
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Furuta GT, Liacouras CA, Collins MH, Gupta SK, Justinich C, Putnam PE, Bonis P, Hassall E, Straumann A, Rothenberg ME. Eosinophilic esophagitis in children and adults: a systematic review and consensus recommendations for diagnosis and treatment. Gastroenterology 2007; 133:1342-63. [PMID: 17919504 DOI: 10.1053/j.gastro.2007.08.017] [Citation(s) in RCA: 1121] [Impact Index Per Article: 65.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
During the last decade, clinical practice saw a rapid increase of patients with esophageal eosinophilia who were thought to have gastroesophageal reflux disease (GERD) but who did not respond to medical and/or surgical GERD management. Subsequent studies demonstrated that these patients had a "new" disease termed eosinophilic esophagitis (EE). As recognition of EE grew, so did confusion surrounding diagnostic criteria and treatment. To address these issues, a multidisciplinary task force of 31 physicians assembled with the goal of determining diagnostic criteria and making recommendations for evaluation and treatment of children and adults with suspected EE. Consensus recommendations were based upon a systematic review of the literature and expert opinion. EE is a clinicopathological disease characterized by (1) Symptoms including but not restricted to food impaction and dysphagia in adults, and feeding intolerance and GERD symptoms in children; (2) > or = 15 eosinophils/HPF; (3) Exclusion of other disorders associated with similar clinical, histological, or endoscopic features, especially GERD. (Use of high dose proton pump inhibitor treatment or normal pH monitoring). Appropriate treatments include dietary approaches based upon eliminating exposure to food allergens, or topical corticosteroids. Since EE is a relatively new disease, the intent of this report is to provide current recommendations for care of affected patients and defining gaps in knowledge for future research studies.
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Affiliation(s)
- Glenn T Furuta
- Section of Pediatric Gastroenterology, Hepatology, and Nutrition, The Children's Hospital, Denver, University of Colorado Medical School, Denver, Colorado, USA
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Aceves SS, Bastian JF, Newbury RO, Dohil R. Oral viscous budesonide: a potential new therapy for eosinophilic esophagitis in children. Am J Gastroenterol 2007; 102:2271-9; quiz 2280. [PMID: 17581266 DOI: 10.1111/j.1572-0241.2007.01379.x] [Citation(s) in RCA: 183] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Eosinophilic esophagitis (EE) is a disorder characterized typically by pan-esophageal eosinophilia. We evaluate a palatable, long-acting topical corticosteroid preparation for the treatment of EE. STUDY DESIGN This is a retrospective analysis of symptoms, endoscopic and histologic findings, efficacy, and safety of treatment in children with EE receiving oral viscous budesonide. Response to therapy was determined histologically by the number of eos/hpf. Patients were classified by histology into responders (0-7 eos/hpf), partial responders (8-23 eos/hpf), and nonresponders (>/=24 eos/hpf). A symptom score (max. 14) and an EE endoscopy score (max. 8) were used to compare data. RESULTS In 20 children (mean age 5.5 yr, median age 4.1 yr) the mean highest eosinophil count was 87 eos/hpf (range 30-170) before and 7 eos/hpf (range 0-50, P < 0.0001) after therapy. There were 16 (80%) responders, 1 partial responder, and 3 nonresponders. Commonest pretreatment symptoms were nausea, vomiting, pain, and heartburn. The mean symptom score fell from 4.4 to 0.8 (P < 0.0001) and the mean endoscopy score from 3.6 to 0.8 (P < 0.0001). No significant adverse events were reported. Morning cortisol levels were within normal limits. CONCLUSIONS Topical viscous budesonide is a safe and effective therapy for EE in young children.
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Affiliation(s)
- Seema S Aceves
- Division of Allergy and Immunology, Children's Hospital, San Diego, La Jolla, California, USA
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Nielsen RG, Husby S. Eosinophilic oesophagitis: epidemiology, clinical aspects, and association to allergy. J Pediatr Gastroenterol Nutr 2007; 45:281-9. [PMID: 17873738 DOI: 10.1097/mpg.0b013e31806210c8] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Eosinophilic oesophagitis is characterised by age-dependent symptoms mimicking gastrooesophageal reflux disease, a distinct endoscopic appearance and a histological picture with extensive infiltration of eosinophils in the oesophageal mucosa. Eosinophilic oesophagitis is more frequently seen in males, and patients often belong to the paediatric or adolescence age groups. The exact prevalence of eosinophilic oesophagitis is unknown, but it has been suggested that the United States has a higher prevalence than Europe. Several treatment algorithms have been suggested, including elemental diets, oral steroids, inhaled (swallowed) steroids, and leucotriene receptor antagonists. Detailed information on the eosinophilic inflammatory processes in the oesophageal mucosa was initially obtained from animal models, in particular with regard to the role of interleukin-5 and the chemokine eotaxin-1 in eosinophilic recruitment. Studies have suggested a cytotoxic effect of eosinophilic degranulation products on nerve fibers in the gastric/intestinal mucosa, implicating a direct effect of allergic inflammation on gastrointestinal motility. Human studies recently have emphasized the role of eotaxin-3 and identified a single nucleotide polymorphism probably related to disease susceptibility.
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Affiliation(s)
- Rasmus G Nielsen
- H.C. Andersen Children's Hospital, Odense University Hospital, University of Southern Denmark, Odense.
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Chehade M, Sampson HA, Morotti RA, Magid MS. Esophageal subepithelial fibrosis in children with eosinophilic esophagitis. J Pediatr Gastroenterol Nutr 2007; 45:319-28. [PMID: 17873744 DOI: 10.1097/mpg.0b013e31806ab384] [Citation(s) in RCA: 161] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVES Esophageal subepithelial fibrosis has been reported in adults with eosinophilic esophagitis (EE). Our goal was to determine the prevalence of esophageal fibrosis in children with EE, to determine whether it is specific for EE, and to correlate it with clinical and pathological features. PATIENTS AND METHODS Twenty-one children with EE, 7 with eosinophilic gastroenteritis, 6 with gastroesophageal reflux disease, and 17 control children were studied. Distal esophageal biopsy specimens containing lamina propria were evaluated for extent of subepithelial collagen deposition by use of trichrome staining. Fibrosis was defined as abnormally increased collagen deposition, determined after the establishment of normal patterns on sections of esophagus from pediatric autopsies. Maximum numbers of intraepithelial and lamina propria eosinophils per high-power field by hematoxylin and eosin staining and mast cells per high-power field by immunohistochemical staining for tryptase were determined. Eosinophil and mast cell degranulation in epithelium and lamina propria was determined by use of immunohistochemical staining for major basic protein and tryptase, respectively. The patients' records were reviewed. RESULTS Esophageal subepithelial fibrosis was present in 12 (57%) patients with EE, 1 with eosinophilic gastroenteritis, 0 with gastroesophageal reflux disease, and 1 control patient. Forty-two percent of those with fibrosis had dysphagia, 80% of whom had food impactions; these symptoms were present only in patients with fibrosis. Within the EE group, fibrosis was not associated with duration of symptoms or with increasing numbers of infiltrating eosinophils/mast cells, but it was associated with eosinophil degranulation. CONCLUSIONS Esophageal subepithelial fibrosis is prevalent in EE and is specific for the disease in children. It is associated with dysphagia, and it may explain and predict future esophageal dysmotility. Fibrosis is related to the extent of esophageal eosinophil activation, as evidenced by eosinophil degranulation.
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Affiliation(s)
- Mirna Chehade
- Department of Pediatric Gastroenterology and Nutrition, Mount Sinai School of Medicine, New York, NY 10029, USA.
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