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Background: Inflammatory bowel disease (IBD) is best managed by a multidisciplinary team within a dedicated IBD service. IBD nurses play an important role within this team. We aimed to evaluate the contribution of our comprehensive outpatient IBD nursing service on patient outcomes, quality of care, and healthcare costs., Methods: We performed a retrospective review of all IBD nurse encounters with patients over a 12-month period from October 2020 to September 2021 at a tertiary IBD referral center. Each nurse encounter was classified with respect to its clinical context, activities, and outcomes. Descriptive statistics were used to characterize these encounters and an economic analysis was performed to estimate the cost savings to the hospital., Results: A total of 2537 nurse encounters occurred with 682 patients; 41% of encounters were nurse-initiated contacts with patients and 34% were patient-initiated contacts with the nurse helpline (26% via email, 8% via telephone). Most encounters involved clinical assessments (66%), providing education, counseling or updates (47%), and reviewing investigation results (38%). A gastroenterologist was consulted for advice in 35% of contacts. An estimated 29 emergency department visits, 1925 outpatient clinic visits, and 137 general practitioner visits were avoided. After deducting costs incurred, a net estimated annual saving of up to AUD $570 838 was achieved. Nurses commonly facilitated faster access to investigations (29%), education provision (28%), delivery of biologic services (25%), and medication changes (19%)., Conclusions: A comprehensive IBD nursing service is associated with improved patient outcomes and quality of care, and reduced healthcare costs. This study supports the expanding role of IBD nurses in a modern multidisciplinary IBD service and the need for greater funding and integration of IBD nurses into IBD services., (© The Author(s) 2023. 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.)

Objective: To summarise frequency, type, and heterogeneity of patient-reported outcomes measures [PROMs] in papers reporting on outcomes after ileal pouch anal anastomosis [IPAA]., Background: Prevalence of ulcerative colitis [UC] has risen in Western countries, and one in three patients requires surgery. IPAA is a frequently performed procedure for UC, and a lack of standardisation is manifest in reporting outcomes for inflammatory bowel disease [IBD] despite the clear need for inclusion of PROMs as primary outcomes in IBD trials., Methods: Scopus, Pubmed, and Web of Science databases were searched from January 2010 to January 2023 for studies investigating outcomes in IPAA surgery. The primary outcome was the proportion of studies reporting outcomes for IPAA surgery for UC, which included PROMs., Results: The search identified a total of 8028 studies which, after de-duplication and exclusion, were reduced to 79 articles assessing outcomes after IPAA surgery. In all 44 [55.7%] reported PROMs, with 23 including validated questionnaires and 21 papers using authors' questions, 22 different PROMs were identified, with bowel function as the most investigated item. The majority of studies [67/79, 85%] were retrospective, only 14/79 [18%] were prospective papers and only two were [2.5%] randomised, controlled trials., Conclusions: Only half of the papers reviewed used PROMs. The main reported item is bowel function and urogenital, social, and psychological functions are the most neglected. There is lack of standardisation for use of PROMs in IPAA. Complexity of UC and of outcomes after IPAA demands a change in clinical practice and follow-up, given how crucial PROMs are, compared with their non-routine use., (© The Author(s) 2023. Published by Oxford University Press on behalf of European Crohn’s and Colitis Organisation. All rights reserved. For permissions, please email: journals.permissions@oup.com.)

Background and Aims: Nudix hydrolase 15 [NUDT15] genetic variants confer an increased risk of thiopurine-induced leukopenia [TIL]; however, their global prevalence in inflammatory bowel disease [IBD] patients is unknown. We aimed to evaluate the global prevalence of NUDT15 variants in IBD patients and incidence of TIL in these patients., Methods: Six databases were searched from inception until July 2022. Studies reporting the frequency of any NUDT15 variant and/or frequency of leukopenia in adult IBD patients with these variants were included. A random effects model was performed to estimate the pooled prevalence of variants, incidence of early [≤8 weeks] and late [>8 weeks] leukopenia, and relative risk of developing leukopenia., Results: Twenty studies comprising 5232 patients were included. The pooled prevalence of the *1/*3 c.415C > T C/T diplotype was 13% (95% confidence interval [CI]: 10-18%), *3/*3 c.415C > T T/T diplotype was 2% [95% CI: 1-2%], *1/*5 c.52G > A G/A diplotype was 2% [95% CI: 1-3%], and *1/*6 c.36_37insGGAGTC ins/- diplotype was 7% [95% CI: 4-12%]. The pooled prevalence of *1/*3 was high in Japanese [20%, 95% CI: 16-24%] and Chinese patients [18%, 95% CI: 12-27%]. The incidence of early leukopenia was 20% [95% CI: 16-26%] in *1/*3 patients, 99% [95% CI: 7-100%] in *3/*3 patients, and 49% [95% CI: 29-69%] in *1/*6 patients. The incidence of late leukopenia was 36% [95% CI: 26-49%] in *1/*3 patients., Conclusions: NUDT15 variants are common and strongly predict TIL in IBD patients. Pre-treatment NUDT15 genotyping should be considered particularly in Asian populations, to guide thiopurine dosing and prevent myelotoxicity., (© The Author(s) 2023. Published by Oxford University Press on behalf of European Crohn’s and Colitis Organisation. All rights reserved. For permissions, please email: journals.permissions@oup.com.)

Background: Preventive health measures reduce treatment and disease-related complications including infections, osteoporosis, and malignancies in patients with inflammatory bowel disease (IBD). Although guidelines and quality measures for IBD care highlight the importance of preventive care, their uptake remains variable. This systematic review evaluates interventions aimed at improving the rates of provision and uptake of preventive health measures, including vaccinations, bone density assessment, skin cancer screening, cervical cancer screening, and smoking cessation counseling., Methods: We searched PubMed, MEDLINE, EMBASE, and CENTRAL for full text articles published until March 2021. Studies were included if they evaluated interventions to improve the provision or uptake of 1 or more preventive health measures in adult IBD patients and if they reported pre- and postintervention outcomes., Results: In all, 4655 studies were screened, and a total of 17 studies were included, including 1 randomized controlled trial, 1 cluster-controlled trial, and 15 prospective interventional studies. A variety of interventions were effective in improving the rates of adherence to preventive health measures. The most common interventions targeted gastroenterologists, including education, electronic medical records tools, and audit feedback. Other interventions targeted patients, such as education, questionnaires, and offering vaccine administration at clinic visits. Few interventions involved IBD nurses or primary care physicians., Conclusions: A range of interventions-targeted at gastroenterologists, patients, or both-were effective in improving the provision and uptake of preventive care. Future studies should involve randomized controlled trials evaluating multifaceted interventions that target barriers to adherence and involve IBD nurses and primary care physicians., (© 2021 Crohn’s & Colitis Foundation. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)