Publications by authors named "Katarzyna Karolewska-Bochenek"

Introduction And Objective: Eosinophilic esophagitis (EoE) is an inflammatory immune-mediated oesophageal disease of growing prevalence. The aim of this study is to characterise the clinical symptoms, endoscopic features and histological findings, as well as their possible correlations, in newly-diagnosed EoE paediatric patients.

Material And Methods: Between 2009-2018, the clinical records of patients diagnosed with EoE at the Paediatric Hospital in Warsaw, Poland, were retrospectively reviewed.

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Introduction: Cytomegalovirus (CMV) infection in patients with inflammatory bowel disease (IBD) is reactivated by the use of immunosuppressive drugs. CMV infection may produce IBD flares refractory to standard therapy.

Objective: The aim of our study was to assess the efficacy and safety of faecal microbiota transplantation (FMT) for the treatment of CMV colitis in patients with ulcerative colitis (UC) flare.

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Aim Of The Study: To evaluate the immune response rate in children with inflammatory bowel disease (IBD) who received the full hepatitis B vaccination course in infancy. We also evaluated rates of response to booster doses.

Material And Methods: Participants were 1- to 18-year-old children with IBD, who received 3 doses of the hepatitis B vaccine in infancy.

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Dysbiosis plays a major role in the etiology of inflammatory bowel disease (IBD). Fecal microbiota transplantation (FMT) is a new promising option for IBD treatment. We aimed to assess the effectiveness of a two-week FMT course in children with IBD.

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Objectives: In light of a paucity of data on the role of diet in colonoscopy preparation in paediatric population, the present study was designed to compare the effectiveness of clear liquid and low-fibre diets for breakfast and lunch on the day preceding colonoscopy in children.

Methods: This prospective, randomised trial was conducted at the Department of Paediatric Gastroenterology and Nutrition in Warsaw, Poland. Eligible patients, referred for colonoscopies, were 6 to 18 years old.

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Background: There are limited data on antibody response to vaccination in patients with inflammatory bowel disease (IBD). In this study, we aimed to assess the immunogenicity of a booster dose of pertussis vaccine in pediatric patients with IBD and to compare their response with healthy controls.

Methods: We performed a multicenter, prospective, and controlled trial.

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The incidence of Crohn disease (CD) has been increasing and surgery needs to be contemplated in a substantial number of cases. The relevant advent of biological treatment has changed but not eliminated the need for surgery in many patients. Despite previous publications on the indications for surgery in CD, there was a need for a comprehensive review of existing evidence on the role of elective surgery and options in pediatric patients affected with CD.

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The Aim Of The Study: Assessment of clinical and endoscopic efficacy of induction therapy with infliximab in children with ulcerative colitis.

Material And Methods: This is a retrospective analysis of medical records of pediatric patients with moderate to severe UC who had received at least one infusion of infliximab in Polish pediatric academic clinical centers from 2003 to 2013. The primary endpoint was clinical remission rate at week 10, (PUCAI score <10 points) while the secondary endpoints were: clinical response rate (>19-points decrease in PUCAI), mucosal response rate (defined as an improvement of the Baron score), and mucosal healing rate (Baron score 0 or 1).

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The aim of this study was to evaluate the serotype-specific pneumococcal status of children and adolescents with inflammatory bowel disease (IBD) who were naïve to pneumococcal vaccination before administering the 13-valent pneumococcal conjugate vaccine (PCV 13). This was an open, prospective study on children and adolescents aged 5-18 years who had IBD and were naïve to pneumococcal vaccination. A single dose of PCV 13 was administered to each patient.

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Introduction: No study to date has evaluated perinuclear antineutrophil cytoplasmic antibody (pANCA) and anti-Saccharomyces cerevisiae antibody (ASCA) in pediatric inflammatory bowel disease-unclassified (IBDU) as compared with Crohn's colitis (CC) and ulcerative colitis (UC), which represent the diagnostic challenge. We aimed to explore the diagnostic utility of serology and to assess whether serology can predict disease severity in these subgroups.

Methods: This was a multicenter retrospective longitudinal study including 406 children with inflammatory bowel diseases (IBD) from 23 centers affiliated with the Porto group of European Society of Pediatric Gastroenterology, Hepatology and Nutrition (mean age 10.

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Background: Inflammatory bowel disease-unclassified (IBD-U) is diagnosed in ∼10% of pediatric and adolescent onset IBD patients. The EUROKIDS registry (2004) initiated by the Porto IBD working group of ESPGHAN prospectively monitors diagnostic workup of newly diagnosed pediatric and adolescent onset IBD patients. We aimed to describe diagnostic workup, phenotype, and change of diagnosis over time in pediatric IBD-U patients.

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Background: The aim of this study was to confirm the role of antral nodularity in the diagnosis of Helicobacter pylori (H. pylori) infection in children.

Material And Methods: This prospective study included 107 children (58 male; 54.

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Background: There are only a few studies on immune response to pneumococcal vaccines in patients with inflammatory bowel disease (IBD); all of them assessed polysaccharide vaccines only. The aim of the study was to evaluate the immunogenicity and safety of 13-valent pneumococcal conjugate vaccine (PCV13) in IBD pediatric patients compared with healthy controls.

Methods: This was a multicenter, prospective, and controlled study on children and adolescents aged 5 to 18 years with IBD with no history of pneumococcal immunization.

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Background: There are only a few studies on immune response to routine vaccinations in children with inflammatory bowel disease (IBD), despite a strong need for this kind of study. The aim of the study was to evaluate the immunogenicity of an inactivated hepatitis A vaccine (HAV) in IBD pediatric patients compared with healthy controls.

Methods: This was an open, prospective, and controlled study on anti-HAV-negative children and adolescents age 2-18 years with IBD.

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Background/aims: The incidence of pediatric inflammatory bowel disease (IBD) in Western countries is on the rise. No prospective studies have been conducted on the epidemiology of pediatric IBD in Poland. The aim of the study was to define the characteristics of new pediatric IBD and assess the incidence of new IBD among children in Poland between 2002 and 2004.

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