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Hemophagocytic Lymphohistiocytosis (HLH)/Macrophage Activation Syndrome (MAS) in children with inflammatory bowel disease (IBD) has been reported only anecdotally. This study aimed at describing the clinical features and outcomes of children diagnosed with both IBD and HLH/MAS. Data on IBD and HLH/MAS characteristics, biochemical, microbiological and genetic assessments, treatments, and outcomes were collected from the Italian Pediatric IBD Registry and presented using descriptive statistics. Out of 4643 patients with IBD, 18 (0.4%) were diagnosed with HLH/MAS, including 12 with ulcerative colitis and 6 with Crohn disease. Among the 18 patients, 7 (39%) had early-onset IBD, but the median age at HLH/MAS diagnosis was 14.0 years (IQR 11.9-16.0). Half of the patients had active IBD at HLH/MAS diagnosis, 11 (61%) patients were on thiopurines, and 6 (33%) were on anti-TNF biologics. An infectious trigger was identified in 15 (83%) patients. One (5%) patients was diagnosed with XIAP deficiency. All patients discontinued thiopurines and 5 (83.3%) discontinued anti-TNF biologics; 16 (80%) patients received steroids for HLH/MAS. Three (17%) patients had a relapse of HLH/MAS. No patient developed lymphoma or died during a median follow-up of 2.7 years (IQR 0.8-4.4). Conclusions: HLH/MAS mainly affects children with early-onset IBD but primarily develops during adolescence, following an infection while on immunosuppressant treatment. Although the prognosis is generally favorable, it is crucial to investigate an underlying immune deficiency., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Background: The natural history of Crohn's disease (CD) can result in complications requiring surgery. Pediatric data are scarce about major abdominal surgery. The IBD Registry from the Italian Society of Pediatric Gastroenterology, Hepatology, and Nutrition has been active since 2008 and collects data from major pediatric IBD centers in Italy. The aim of the present report was to explore the prevalence of major abdominal surgery among children affected by CD in an era when antitumor necrosis factor (anti-TNF-α) agents were already used so that we might appraise the incidence of surgical-related complications and identify the factors associated with postoperative disease recurrence., Methods: We retrospectively analyzed data from patients enrolled in the registry from January 2009 to December 2018. Patients with monogenic IBD and patients undergoing surgery for perianal disease were excluded., Results: In total, 135 of 1245 patients were identified. We report the prevalence of major abdominal surgery of 10.8%. Pediatric surgeons performed the procedure in 54.1% of cases, and a laparoscopic approach was used in 47.4% of surgical procedures. Seventeen patients (12.6%) experienced a total of 21 early postoperative complications, none of which was severe. A laparoscopic approach was the only factor negatively associated with the occurrence of postoperative complications (odds ratio, 0.22; 95% confidence interval, 0.06-0.8; P = .02). Fifty-four (40%) patients experienced postoperative endoscopic recurrence, and 33 (24.4%) of them experienced postoperative clinical recurrence. The postoperative treatment with anti-TNF-α drugs was significantly associated with a reduced risk of endoscopic recurrence (odds ratio, 0.19; 95% confidence interval, 0.05-0.79; P = .02)., Conclusion: In our cohort, the overall prevalence of major abdominal surgery was low, as well as the rate of surgical-related complications. Postoperative anti-TNF-α therapy seems be protective against endoscopic recurrence., (© The Author(s) 2024. Published by Oxford University Press on behalf of Crohn’s & Colitis Foundation. All rights reserved. For commercial re-use, please contact reprints@oup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com.)

Background: Transition is a crucial process in the care of IBD patients, although it remains largely heterogeneous., Aims: To provide an overview of the transition process in Italy and to investigate the perspective of the paediatric and adult physicians., Methods: An online survey was developed by the Italian Group for Inflammatory Bowel Diseases (IG-IBD) and the Italian Society of Paediatric Gastroenterology, Hepatology and Nutrition (SIGENP)., Results: 104 physicians (62 paediatric and 42 adult gastroenterologists) participated to the survey. The disease status was ranked with the highest priority among the key elements of the transition process. The age of the patient was perceived with a higher priority by paediatric gastroenterologists than by adult ones (p < 0.01). In most cases, the transition was organized through one or more joint meetings. Only less than 25 % of responders reported to involve other professions during transition. The struggle in leaving paediatric setting was perceived as the main obstacle to an effective transition process. Paediatric IBD gastroenterologists ranked the struggle in leaving the paediatric setting and the attending physician as higher critical point than adult gastroenterologists., Conclusions: The current survey provided a snapshot of the IBD transition process in Italy. The present findings highlight the need to embed transitional care in healthcare policy., Competing Interests: Conflict of interest None., (Copyright © 2023. Published by Elsevier Ltd.)

Introduction: The present study aimed at evaluating Italian epidemiological trends of pediatric inflammatory bowel diseases (IBD) over the period 2009-2018., Materials and Methods: Data from 1969 patients enrolled in the Italian Society of Pediatric Gastroenterology, Hepatology and Nutrition Registry, by 49 pediatric IBD centers throughout the country, were analyzed, comparing three different time intervals (2009-2012, 2013-2015, 2016-2018)., Results: The number of new IBD diagnoses ranged from 175 to 219 per year, evenly distributed over the examined period of time. From 2009 to 2018, the minimal incidence ranged from 1.59 to 2.04 /10 5 inhabitants aged < 18 years, with an overall slight predominance of ulcerative colitis (UC) over Crohn's disease (CD) (ratio: 1.1). Mean diagnostic delay was 6.8 months for CD and 4.1 months for UC, with a significant reduction for CD when comparing the three-time intervals (p =0.008). The most frequent disease locations according to the Paris classification were ileocolonic for CD (41.3%) and pancolitis for UC (54.6%)., Conclusions: The minimal incidence rate in Italy seems to have stabilized over the last two decades, even if it has increased when compared to previous reports. UC is still slightly more prevalent than CD in our country. Diagnostic delay significantly decreased for CD, reflecting an improved diagnostic capacity., Competing Interests: Conflict of Interest The authors, FL, LS, PG, DK, MB, GZ, SO, MRP, MTI(,) EM, FG, CR, DB, GDA, SA, FB, SR, AA have none to declare. PA has received a conference fees from Danone and from Bioproject MA has received a consultation fee, research grant, royalties or honorarium from Abbvie. PL has received conference fees from Abbvie, Pfizer, Sandoz, Nestlè-Nutricia and Janssen. All authors declare no financial relationships with a commercial entity producing health-related products and or services related to this article. No honorarium, grant, or other form of payment was given to anyone to write and to produce the manuscript, (Copyright © 2022. Published by Elsevier Ltd.)