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Esophageal atresia (EA) is a congenital anomaly of the foregut. Although the survival has improved over the years there is a significant gastrointestinal morbidity affecting physical function and health-related quality of life. The aims of the study were to identify and evaluate predictors of histopathological esophagitis in infants and adolescents with EA. Single centre, cross-sectional study including one and 15-year-old patients operated for EA that participated in the national follow-up programme between 2012 and 2020 according to a pre-established protocol including upper endoscopy with oesophageal biopsies and 24h-pH-test. Data was collected from patients' medical records and pH-analysis software. Regression models were used to identify predictors of histopathological oesophagitis. Possible predictors were abnormal reflux index, endoscopic esophagitis, hiatal hernia, symptoms of gastroesophageal reflux (GER) and age. 65 patients were included, 47 children and 18 adolescents. All children were treated with PPI during their first year of life. Symptoms of GER were reported by 13 (31.7%) of the infant's caregivers, 34 of the children (72.3%) had abnormal reflux index and 32 (68.1%) had histopathological esophagitis. The corresponding numbers for adolescents were 8 (50%), 15 (83.3%) and 10 (55.6%). We found no significant associations between histopathological esophagitis and endoscopic esophagitis, symptoms of GER, hiatus hernia or age group. Abnormal reflux index was an independent predictor of histopathological esophagitis. Seven patients with normal reflux index had histopathological esophagitis, all grade I. We found a high prevalence of histopathological esophagitis despite PPI treatment in accordance with recommendations. No significant difference between the two age groups was seen. Abnormal reflux index was an independent predictor of histopathological esophagitis. However, we cannot recommend the use of pH-metry as a substitute for esophageal biopsies; future studies are needed to elucidate if esophageal biopsies might be postponed in infants with normal reflux index.

Introduction Erosive reflux esophagitis caused a large clinical spectrum of symptoms. Our aim was to assess the prevalence of extra-esophageal symptoms in individuals with and those without erosive esophagitis in Albania. Methods A case–control study was conducted at the Regional Hospital of Durres, the second main district in Albania, a transitional country in South Eastern Europe, including 248 patients with erosive esophagitis (aged 46.5 ± 16.3 years) and 273 controls (aged 46.4 ± 16.0 years; response rate: 70%) enrolled during the period January 2013–June 2014. Both cases and controls underwent upper endoscopy. Information on socio-demographic characteristics and lifestyle factors was also collected. Binary logistic regression was used to assess the association of erosive esophagitis and extra-esophageal symptoms. Results Patients with erosive esophagitis had a higher prevalence of excessive alcohol consumption, smoking, sedentarity, non-Mediterranean diet and obesity compared to their control counterparts (9% vs. 5%, 70% vs. 49%, 31% vs. 17%, 61% vs. 49% and 22% vs. 9%, respectively). Upon adjustment for all socio-demographic characteristics and lifestyle/behavioral factors, there was evidence of a strong association of erosive esophagitis with chronic cough (OR = 3.2, 95% CI = 1.7–5.8), and even more so with laryngeal disorders (OR = 4.4, 95% CI = 2.6–7.5). In all models, the association of erosive esophagitis with any extra-esophageal symptoms was strong and mainly consistent with each of the symptoms separately (fully-adjusted model: OR = 4.6, 95% CI = 2.9–7.3). Conclusion Our findings indicate that the prevalence of extra-esophageal symptoms is higher among patients with erosive esophagitis in a transitional country characterized conventionally by employment of a Mediterranean diet.

The presence of eosinophils on esophageal biopsy is a marker of esophagitis in children. Eosinophilic inflammation without evidence of gastroesophageal reflux has led to the new diagnosis of eosinophilic, or allergic, esophagitis. The aim of this study was to correlate the number of eosinophils with the reflux index on same day esophageal biopsy and 24 h esophageal pH monitoring. A retrospective analysis of data collected from children who underwent same day endoscopy with esophageal biopsies and 24 h esophageal pH monitoring over a 3-yr period was performed. The patients were divided into five groups: Group 1: 0 eosinophils/hpf and no histologic change, Group 2: 0 eosinophils/hpf but histologic changes, Group 3: 1-5 eosinophils/hpf, Group 4: 6-20 eosinophils/hpf, and Group 5: >20 eosinophils/hpf. Reflux indices were analyzed within each group. A total of 305 patients met the inclusion criteria. The mean reflux indices +/- standard error within each group were Group 1 (n = 171): 2.14 +/- 0.18%, Group 2 (n = 40): 3.93 +/- 1.24%, Group 3 (n = 42): 5.96 +/- 1.53%, Group 4 (n = 21): 4.18 +/- 1.27%, and Group 5 (n = 31): 2.02 +/- 0.53%. The mean reflux index in Group 3 was significantly greater than Groups 1 and 5. The presence of denser infiltrates of eosinophils does not correlate with increased gastroesophageal reflux. The finding of more than 20 eosinophils/hpf is likely associated with a normal reflux index and a nonacid-related cause of esophagitis.

Eosinophilic gastrointestinal disorders (EGID) are a group of disorders characterized by pathologic eosinophilic infiltration of the esophagus, stomach, small intestine, or colon leading to organ dysfunction and clinical symptoms (J Pediatr Gastroenterol Nutr; Spergel et al., 52: 300–306, 2011). These disorders include eosinophilic esophagitis (EoE), eosinophilic gastritis (EG), eosinophilic gastroenteritis (EGE), eosinophilic enteritis (EE), and eosinophilic colitis (EC). Symptoms are dependent not only on the location (organ) as well as extent (layer invasion of the bowel wall). Common symptoms of EoE include dysphagia and food impaction in adults and heartburn, abdominal pain, and vomiting in children. Common symptoms of the other EGIDs include abdominal pain, nausea, vomiting, early satiety, diarrhea, and weight loss. These disorders are considered immune-mediated chronic inflammatory disorders with strong links to food allergen triggers. Treatment strategies focus on either medical or dietary therapy. These options include not only controlling symptoms and bowel inflammation but also on identifying potential food triggers. This chapter will focus on the clinical presentation, pathophysiology, and treatment of these increasingly recognized disorders.

BackgroundRecent evidence has indicated an increased risk of Barrett’s esophagus (BE) in the long term after sleeve gastrectomy (SG).AimThe aim of the study is to investigate the spectrum of gastroesophageal reflux disease (GERD) symptoms as well as the prevalence of BE, at minimum 5 years after SG in patients who underwent SG in different bariatric centers of two countries: France and Italy.Patients and MethodsFive high volume outpatient centers dedicated to bariatric surgery that routinely perform upper GI endoscopy before any bariatric procedures were invited to participate in the study. From January 2017 to June 2018, each center during scheduled postoperative evaluation after surgery asked a minimum 10 consecutive patients, which had performed SG at least 5 years before and with no evidence of BE preoperatively, to undergo another upper GI endoscopy.ResultsNinety (66 F) consecutive patients were enrolled. The mean follow-up was 78 ± 15 months, and the mean total body weight loss was 25 ± 12%. The prevalence of BE was 18.8% with no significant difference among centers. Weight loss failure was significantly associated with BE (p < 0.01). The prevalence of GERD symptoms, erosive esophagitis, and the usage of PPIs increased from 22%, 10%, and 22% before the SG to 76%, 41%, and 52% at the time of follow-up, respectively (p < 0.05).ConclusionsThis multicenter study show a high rate of BE at least 5 years after SG. Weight loss failure was significantly associated with BE. We suggest to provide systematic endoscopy in these patients to rule out this condition.

Allergic eosinophilic esophagitis (EoE) is a chronic, allergen-mediated inflammatory disease of the esophagus, and the most common cause of prolonged dysphagia in children and young adults in the developed world. While initially undistinguished from gastroesophageal reflux disease-associated esophageal eosinophilia, EoE is now recognized as a clinically distinct entity that shares fundamental inflammatory features of other allergic conditions and is similarly increasing in incidence and prevalence. The clinical and epidemiologic associations between EoE and other allergic manifestations are well established. In addition to exaggerated rates of atopic dermatitis, IgE-mediated food allergy, asthma, and allergic rhinitis in EoE patients, each of these allergic manifestations imparts individual and cumulative risk for subsequent EoE diagnosis. As such, EoE may be a member of the “allergic march”—the natural history of allergic manifestations during childhood. Several determinants likely contribute to the relationship between these conditions, including shared genetic, environmental, and immunologic factors. Herein, we present a comprehensive review of allergic comorbidity in EoE. We discuss areas of the genome associated with both EoE and other allergic diseases, including the well-studied variants encoding thymic stromal lymphopoietin and calpain 14, among other “atopic” regions. We summarize ways that environmental factors (such as microbiome-altering pressures and aeroallergen exposure) may predispose to multiple allergic conditions including EoE. Finally, we touch on some fundamental features of type 2 inflammation, and the resulting implications for the development of multiple allergic manifestations. We conclude with an analysis of the “type 2” biologics, and how mechanistic similarities between EoE and the other allergic manifestations have important implications for screening and treatment of the allergic patient.

Background. Asymptomatic esophagitis is not rare in gastroesophageal reflux disease. However, little attention has been given to this disease so far. We evaluated the clinical characteristics of patients with asymptomatic esophagitis and determined the factors associated with this disease. Methods. A cross-sectional survey was performed of 87 patients with esophagitis, aged 23 to 90 years, diagnosed by endoscopy. We assessed 12 clinical variables at the time of the endoscopy: symptoms, age, sex, severity of esophagitis (Los Angeles classification), grade of gastric mucosal atrophy, presence or absence of Barrett’s epithelium and sliding hernia, alcohol, smoking, body-mass index (BMI), comorbid diseases such as hypertension, diabetes and asthma, and medications such as calcium blocker and theophylline. Results. Most patients had grade A or B esophagitis; 64 patients were symptomatic, and the remaining 23 were asymptomatic. In a univariate analysis, the assessed variables sex, BMI, drinking, and smoking (habit and amount of consumption) were associated with asymptomatic esophagitis ( P < 0.05). Then, multivariate logistic analysis performed using these four variables demonstrated that sex, BMI, and smoking (habit and number of cigarettes smoked daily) were significantly and in dependently associated with this disease ( P < 0.05). Conclusions. Smoking, male sex, and lower BMI are independent factors associated with asymptomatic esophagitis. Since no information is available on the natural history of this disease, we should pay attention to patients with these characteristics.

Background and Aims Eosinophilic esophagitis (EoE) is a chronic inflammatory disorder with increasing prevalence. However, epidemiologic data have mostly been acquired from small studies. We sought to describe the epidemiology of EoE in the USA, utilizing a large database. Methods We queried a commercial database (Explorys Inc, Cleveland, OH, USA), an aggregate of electronic health record data from 26 major integrated US healthcare systems from 1999 to July 2015. We identified an aggregated patient cohort of eligible patients with EoE and a history of proton-pump inhibitor use between July 2010 and July 2015, based on Systematized Nomenclature of Medicine—Clinical Terms. We calculated the prevalence of EoE among different patient groups. Results Of the 30,301,440 individuals in the database, we identified 7840 patients with EoE with an overall prevalence of 25.9/100,000 persons. Prevalence was higher in males than females [odds ratio (OR) 2.00; 95 % CI 1.92–2.10, p  < 0.0001], Caucasians versus African-Americans and Asians (OR 2.00; 95 % CI 1.86–2.14, p  < 0.0001), and adults (18–65 years) versus elderly (>65 years) and children (<18 years) (OR 1.63; 95 % CI 1.54–1.71, p  < 0.0001). Compared with controls (individuals in database without EoE), individuals with EoE were more likely to have other gastrointestinal diagnoses such as dysphagia and at least one allergic condition. Conclusions In this large study, we found that the estimated prevalence of EoE in the USA is 25.9/100,000, which is at the lower end of prevalence rates reported in the USA and other industrial countries. We confirmed that EoE has a strong association with allergic and gastrointestinal diagnoses.

Proton-pump inhibitor-responsive esophageal eosinophilia (PPI-REE) is a newly recognized entity that must be differentiated from eosinophilic esophagitis (EoE). Little is known about this condition. We aimed to determine the prevalence of PPI-REE and EoE in patients undergoing upper endoscopy and determine features that distinguish the two groups. This prospective study conducted at the University of North Carolina from 2009 to 2011 enrolled consecutive adult patients undergoing outpatient upper endoscopy. Subjects had esophageal biopsies to quantify the maximum eosinophil count per high-power field (eos/hpf; hpf=0.24 mm(2)). If biopsies revealed ≥15 eos/hpf, subjects were treated with twice daily PPI for 8 weeks and endoscopy was repeated. If ≥15 eos/hpf persisted despite PPI therapy, EoE was diagnosed. If there were <15 eos/hpf, PPI-REE was diagnosed. The proportion of patients in each group was calculated, and patients with EoE and PPI-REE were compared. Of the 223 subjects enrolled, 173 had dysphagia and 50 did not. Of those with dysphagia, 66 (38%) had ≥15 eos/hpf. After the PPI trial, 40 (23%) were confirmed to have EoE, and 24 (14%) had PPI-REE. Of those without dysphagia, 2 (4%) had ≥15 eos/hpf, and after the PPI trial, 1 (2%) had EoE. Compared with EoE, PPI-REE patients were more likely to be older and male and less likely to have typical endoscopic findings of EoE. However, none of the individual factors was independently predictive of PPI-REE status on multivariable analysis. Similarly, although some endoscopic findings were differentially distributed between PPI-REE and EoE, none were significantly associated with disease status on multivariable analysis. Esophageal eosinophilia is common among patients undergoing esophagogastroduodenoscopy for dysphagia. Although EoE was seen in nearly a quarter of patients with dysphagia, PPI-REE was almost as common, and accounted for over one-third of those with ≥15 eos/hpf. No clinical or endoscopic features independently distinguished PPI-REE from EoE before the PPI trial.

The prevalence of psychiatric disease in patients with eosinophilic esophagitis (EoE) is not fully characterized. We aimed to determine the prevalence of psychiatric disease and centrally acting medication use in a cohort of children and adults with EoE and evaluated whether psychiatric disease affects the EoE clinical presentation. We conducted a retrospective study of newly diagnosed cases with EoE at the University of North Carolina from 2002 to 2018. Psychiatric comorbidities and relevant treatments were extracted from the medical records. The demographic and clinical features of patients with EoE with and without psychiatric diagnoses, and those with and without psychiatric medication use, were compared. Of 883 patients (mean age 26.6 years, 68% men, 79% white), 241 (28%) had a psychiatric comorbidity. The most common diagnosis was anxiety (23%) followed by depression (17%); 28% of patients were treated pharmacologically. There were 45 patients (5%) treated pharmacologically without a psychiatric diagnosis for chronic pain syndromes, insomnia, and/or epilepsy. Cases with EoE with a psychiatric diagnosis were more likely to be women, white, and 18 years or older and to have a longer symptom duration before diagnosis. Psychiatric comorbidities were common in EoE, seen in a third of adults and more than 1 in 7 children, and with similar proportions receiving a prescription medication. These illnesses affected the EoE presentation because psychiatric comorbidities were more likely in older, female, and white patients with a longer duration of symptoms preceding diagnosis.