Suqing Li, Yusuke Fujiyoshi, Sechiv Jugnundan, Gary May, Norman Marcon, Jeffrey Mosko, Christopher Teshima
{"title":"Impact of Residing in Below Median Household Income Districts on Outcomes in Patients with Advanced Barrett's Esophagus.","authors":"Suqing Li, Yusuke Fujiyoshi, Sechiv Jugnundan, Gary May, Norman Marcon, Jeffrey Mosko, Christopher Teshima","doi":"10.1093/jcag/gwad018","DOIUrl":"https://doi.org/10.1093/jcag/gwad018","url":null,"abstract":"<p><strong>Background: </strong>Barrett's esophagus (BE) is a premalignant condition to esophageal adenocarcinoma (EAC). Low socioeconomic (SES) status adversely impacts care and outcomes in patients with EAC, but this has not been evaluated in BE. As the treatment of BE is similarly intensive, we aimed to evaluate the effect of SES on achieving complete eradication of intestinal metaplasia (CE-IM), dysplasia (CE-D) and development of invasive EAC.</p><p><strong>Methods: </strong>Our study was a retrospective cohort study. Consecutive patients between January 1, 2010, to December 31, 2018, referred for BE-associated high-grade dysplasia or intramucosal adenocarcinoma were included. Pre, intra and post-procedural data were collected. Household income data was collected from the 2016 census based on postal code region. Patients were divided into income groups relative to the 2016 median household income in Ontario. Multivariate regression was performed for outcomes of interest.</p><p><strong>Results: </strong>Four hundred and fifty-nine patients were included. Rate of CE-IM was similar between income groups. Fifty-five per cent (<i>n</i> = 144/264) versus 65% (<i>n</i> = 48/264) in the below and above-income groups achieved CE-D, respectively, <i>P</i> = 0.02. Eighteen per cent (<i>n</i> = 48/264) versus 11% (<i>n</i> = 22/195) were found to have invasive EAC during their treatment course in below and above-income groups, respectively, <i>P</i> = 0.04. Residing in a below-median-income district was associated with developing invasive EAC (Odds Ratio, [OR] 1.84, 95% confidence interval [CI] 1.01 to 3.35) and failure to achieve CE-D (OR 0.64, 95% CI 0.42 to 0.97).</p><p><strong>Conclusions: </strong>Residing in low-income districts is associated with worse outcomes in patients with advanced BE. Further research is needed to guide future initiatives to address the potential impact of SES barriers in the optimal care of BE.</p>","PeriodicalId":17263,"journal":{"name":"Journal of the Canadian Association of Gastroenterology","volume":"6 4","pages":"137-144"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10395662/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9939186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Emerging Roles of Gut Serotonin in Regulation of Immune Response, Microbiota Composition and Intestinal Inflammation.","authors":"Jensine A Grondin, Waliul I Khan","doi":"10.1093/jcag/gwad020","DOIUrl":"10.1093/jcag/gwad020","url":null,"abstract":"<p><p>Although the exact etiology of inflammatory bowel diseases (IBD) is unknown, studies have shown that dysregulated immune responses, genetic factors, gut microbiota, and environmental factors contribute to their pathogenesis. Intriguingly, serotonin (5-hydroxytryptamine or 5-HT) seems to be a molecule with increasingly strong implications in the pathogenesis of intestinal inflammation, affecting host physiology, including autophagy and immune responses, as well as microbial composition and function. 5-HT may also play a role in mediating how environmental effects impact outcomes in IBD. In this review, we aim to explore the production and important functions of 5-HT, including its impact on the gut. In addition, we highlight the bidirectional impacts of 5-HT on the immune system, the gut microbiota, and the process of autophagy and how these effects contribute to the manifestation of intestinal inflammation. We also explore recent findings connecting 5-HT signalling and the influence of environmental factors, particularly diet, in the pathogenesis of IBD. Ultimately, we explore the pleiotropic effects of this ancient molecule on biology and health in the context of intestinal inflammation.</p>","PeriodicalId":17263,"journal":{"name":"Journal of the Canadian Association of Gastroenterology","volume":"1 1","pages":"88-96"},"PeriodicalIF":0.0,"publicationDate":"2023-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10836984/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43627838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Solubility of Some Drugs in Aqueous Solutions of Choline Chloride-Based Deep Eutectic Solvent Systems: Experimental Data, Modeling, and the Impact of Solution pH.","authors":"Samira Zadali Asghar, Raha Kaviani, Ali Shayanfar","doi":"10.5812/ijpr-137011","DOIUrl":"10.5812/ijpr-137011","url":null,"abstract":"<p><strong>Background: </strong>The solubility of drugs in water and organic solvents is a crucial factor in numerous pharmaceutical processes. In recent years, a new type of solvent called deep eutectic solvents (DESs) has been developed as a useful solvent for drugs. Choline chloride-glycerol/urea (ChCl-G/U) systems are DESs recognized as a novel category of environmentally friendly solvents. One recent application of this type of DES in water is the solubilization of drugs.</p><p><strong>Objectives: </strong>This study aimed to investigate the solubility of certain drugs in ChCl-G/U. In addition, the solubilization mechanisms of the DESs studied, and quantitative structure-property relationship (QSPR) models for solubilization were proposed.</p><p><strong>Methods: </strong>The solubility of 13 drugs in an aqueous solution of the ChCl-G/U system was investigated using the shake flask method. The study was conducted at 10% and 50% mass fractions of the studied systems. Multiple linear regression models were used to develop mathematical relationships between the solubilization of the studied compounds in the presence of ChCl-G/U + water mixture using QSPR models.</p><p><strong>Results: </strong>The solubility of the compounds showed a significant increase upon adding ChCl-G/U to the aqueous solutions. Based on the data obtained, QSPR models were developed using solubilization ratio and structural descriptors.</p><p><strong>Conclusions: </strong>The experimental data demonstrates the potential of utilizing ChCl-G/U as a medium to enhance the solubility of poorly soluble drugs in water. Solubilization of solutes in ChCl-G/U + water mixtures could be correlated with the structural properties of drugs. Moreover, the final pH of the solutions in ChCl-U is a critical factor that must be considered when using this system for solubilization.</p>","PeriodicalId":17263,"journal":{"name":"Journal of the Canadian Association of Gastroenterology","volume":"4 1","pages":"e137011"},"PeriodicalIF":1.6,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10728849/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75305906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"An Exploratory Study of Health-related Quality of Life and Care Experiences in Older Adults with Inflammatory Bowel Disease.","authors":"Noelle Rohatinsky, Janelle Cave, Sharyle Fowler, Tracie Risling, Juan Nicolás Peña-Sánchez","doi":"10.1093/jcag/gwac039","DOIUrl":"https://doi.org/10.1093/jcag/gwac039","url":null,"abstract":"<p><p>Canada has one of the highest rates of inflammatory bowel disease (IBD), with older adults as the fastest-growing group of individuals affected. This exploratory mixed methods study aimed to understand perceived health-related quality of life and care experiences in older adults with IBD. Participants greater than 60 years of age, who were diagnosed with IBD, and who lived in Saskatchewan, Canada were invited to participate in both an online survey and telephone interview. Seventy-three respondents completed the survey, and 18 participants were interviewed. Most individuals were diagnosed before age 60, believed their IBD was well controlled, believed their current treatment was useful, and were satisfied with their care. Individuals also reported a moderate health-related quality of life. However, collaborative management of IBD care between providers and older adults with IBD was identified as an area with room for improvement. Strategies to enhance disease self-management and engaged chronic illness care are critical.</p>","PeriodicalId":17263,"journal":{"name":"Journal of the Canadian Association of Gastroenterology","volume":"6 3","pages":"116-124"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/44/20/gwac039.PMC10235589.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9582218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maria Gladkikh, Eric I Benchimol, David R Mack, Nassim Mojaverian, Kerri Highmore, Elka Miller, Jorge Davila
{"title":"MR Enterography Scores Correlate with Degree of Mucosal Healing in Pediatric Crohn's Disease: A Pilot Study.","authors":"Maria Gladkikh, Eric I Benchimol, David R Mack, Nassim Mojaverian, Kerri Highmore, Elka Miller, Jorge Davila","doi":"10.1093/jcag/gwad010","DOIUrl":"https://doi.org/10.1093/jcag/gwad010","url":null,"abstract":"<p><strong>Objectives: </strong>MR enterography (MRE) Index of Activity (MaRIA) and Clermont are validated scores that correlate with Crohn's disease (CD) activity; however, the Clermont score has not been validated to correlate with the degree of change in mucosal inflammation post induction treatment in children. This pilot study evaluated if MaRIA and Clermont scores can serve as surrogates to ileocolonoscopy for assessing interval change in mucosal inflammation in pediatric CD post-induction treatment.</p><p><strong>Methods: </strong>Children with known or newly diagnosed ileocolonic CD starting or changing therapy underwent ileocolonoscopy, scored with simple endoscopic score for Crohn's disease (SES-CD), and MRE on the same day at two time points (Week 0 and 12). Accuracy of global MaRIA and Clermont indices relative to ileocolonoscopy in detecting degree of post-treatment interval change in mucosal inflammation was assessed through correlational coefficients (<i>r</i>). Inter-reader agreement was calculated for imaging scores through intraclass correlation (ICC).</p><p><strong>Results: </strong>Sixteen children (mean age 11.5 ± 2.8) were evaluated. Global MaRIA/Clermont correlated with SES-CD in detecting the degree of change in mucosal inflammation (<i>r</i> = 0.676 and <i>r</i> = 0.677, <i>P</i> < 0.005, respectively). Correlation for pooled timepoint assessments between SES-CD and global MaRIA/Clermont was moderate (<i>r</i> = 0.546, <i>P</i> < 0.001 and <i>r =</i> 0.582, <i>P</i> < 0.001, respectively). Inter-rater reliability for global MaRIA and Clermont was good (ICC = 0.809 and ICC = 0.768, respectively, <i>P</i> < 0.001).</p><p><strong>Conclusions: </strong>MRE-based global scores correlate with endoscopic indices and may be used to monitor disease changes in children with CD undergoing induction treatment, which can advise the physician if treatment changes should be made.</p>","PeriodicalId":17263,"journal":{"name":"Journal of the Canadian Association of Gastroenterology","volume":"6 3","pages":"125-130"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/55/73/gwad010.PMC10235592.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9576904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Joseph W Windsor, M Ellen Kuenzig, Sanjay K Murthy, Alain Bitton, Charles N Bernstein, Jennifer L Jones, Kate Lee, Laura E Targownik, Juan-Nicolás Peña-Sánchez, Noelle Rohatinsky, Sara Ghandeharian, James H B Im, Tal Davis, Jake Weinstein, Quinn Goddard, Eric I Benchimol, Gilaad G Kaplan
{"title":"The 2023 Impact of Inflammatory Bowel Disease in Canada: Executive Summary.","authors":"Joseph W Windsor, M Ellen Kuenzig, Sanjay K Murthy, Alain Bitton, Charles N Bernstein, Jennifer L Jones, Kate Lee, Laura E Targownik, Juan-Nicolás Peña-Sánchez, Noelle Rohatinsky, Sara Ghandeharian, James H B Im, Tal Davis, Jake Weinstein, Quinn Goddard, Eric I Benchimol, Gilaad G Kaplan","doi":"10.1093/jcag/gwad003","DOIUrl":"10.1093/jcag/gwad003","url":null,"abstract":"<p><p>The burden of inflammatory bowel disease (IBD) (i.e., associated direct and indirect costs, prevalence of disease, personal impact to the individual and to caregivers) continues to increase in Canada. The prevalence of IBD has increased since Crohn's and Colitis Canada's 2018 Impact of IBD report from an estimated 270,000 Canadians living with IBD in 2018 to an estimated 322,600 Canadians living with IBD today in 2023. Consequently, associated costs of IBD have also dramatically increased from an estimated $2.57 billion in 2018 to an estimated $5.38 billion in 2023; this increase is due to multiple factors including increased prevalence of disease, inflation, and additional identified factors (e.g., presenteeism, costs of childcare). Beyond the economic impact of IBD, these diseases have a significant impact on people living with the disease and their caregivers, including different presentations of disease, different commonly associated extra-intestinal manifestations or comorbid conditions, and different barriers to accessing care. In this supplementary issue, we review: Evolving trends in the epidemiology of IBD; updated estimates of indirect and direct costs (including out-of-pocket costs) associated with IBD; information specific to IBD in children, adolescents, and seniors; issues related to IBD pertaining to sex and gender; information specific to risks associated with COVID-19 and cancer related to IBD; an overview of current treatments for IBD; and evolving care models, including access to care.</p>","PeriodicalId":17263,"journal":{"name":"Journal of the Canadian Association of Gastroenterology","volume":"6 Suppl 2","pages":"S1-S8"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10478799/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10171054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cost-effectiveness of Artificial Intelligence-Aided Colonoscopy for Adenoma Detection in Colon Cancer Screening.","authors":"Alan N Barkun, Daniel von Renteln, Hamid Sadri","doi":"10.1093/jcag/gwad014","DOIUrl":"https://doi.org/10.1093/jcag/gwad014","url":null,"abstract":"<p><strong>Background and aims: </strong>Artificial intelligence-aided colonoscopy significantly improves adenoma detection. We assessed the cost-effectiveness of the GI Genius technology, an artificial intelligence-aided computer diagnosis for polyp detection (CADe), in improving colorectal cancer outcomes, adopting a Canadian health care perspective.</p><p><strong>Methods: </strong>A Markov model with 1-year cycles and a lifetime horizon was used to estimate incremental cost-effectiveness ratio comparing CADe to conventional colonoscopy polyp detection amongst patients with a positive faecal immunochemical test. Outcomes were life years (LYs) and quality-adjusted life years (QALY) gained. The analysis applied costs associated with health care resource utilization, including procedures and follow-ups, from a provincial payer's perspective using 2022 Canadian dollars. Effectiveness and cost data were sourced from the literature and publicly available databases. Extensive probabilistic and deterministic sensitivity analyses were performed, assessing model robustness.</p><p><strong>Results: </strong>Life years and QALY gains for the CADe and conventional colonoscopy groups were 19.144 versus 19.125 and 17.137 versus 17.113, respectively. CADe and conventional colonoscopies' overall per-case costs were $2990.74 and $3004.59, respectively. With a willingness-to-pay pre-set at $50,000/QALY, the incremental cost-effectiveness ratio was dominant for both outcomes, showing that CADe colonoscopy is cost-effective. Deterministic sensitivity analysis confirmed that the model was sensitive to the incidence risk ratio of adenoma per colonoscopy for large adenomas. Probabilistic sensitivity analysis showed that the CADe strategy was cost-effective in up to 73.4% of scenarios.</p><p><strong>Conclusion: </strong>The addition of CADe solution to colonoscopy is a dominant, cost-effective strategy when used in faecal immunochemical test-positive patients in a Canadian health care setting.</p>","PeriodicalId":17263,"journal":{"name":"Journal of the Canadian Association of Gastroenterology","volume":"6 3","pages":"97-105"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10235593/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9582219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Steven Li Fraine, Isabelle Malhamé, Teresa Cafaro, Camille Simard, Elizabeth MacNamara, Myriam Martel, Alan Barkun, Jonathan M Wyse
{"title":"A Simple Admission Order-set Improves Adherence to Canadian Guidelines for Hospitalized Patients With Severe Ulcerative Colitis.","authors":"Steven Li Fraine, Isabelle Malhamé, Teresa Cafaro, Camille Simard, Elizabeth MacNamara, Myriam Martel, Alan Barkun, Jonathan M Wyse","doi":"10.1093/jcag/gwac032","DOIUrl":"https://doi.org/10.1093/jcag/gwac032","url":null,"abstract":"<p><strong>Background: </strong>Individuals hospitalized with severe ulcerative colitis represent a complex group of patients. Variation exists in the quality of care of admitted patients with inflammatory bowel disease. We hypothesized that implementation of a standardized admission order set could result in improved adherence to current best practice guidelines (Toronto Consensus Statements) for the management of this patient population.</p><p><strong>Methods: </strong>A retrospective cohort study of patients admitted with severe ulcerative colitis to a Montreal tertiary center was conducted. Two cohorts were defined based on pre- and post-implementation of a standardized order set. Adherence to 11 quality indicators was assessed before and after implementation of the intervention. These included: <i>Clostridioides difficile</i> and stool cultures testing, ordering an abdominal X-ray and CRP, organizing a flexible sigmoidoscopy, documenting latent tuberculosis, initiating thromboprophylaxis, use of intravenous steroids, prescribing infliximab if refractory to steroids, limiting narcotics, and surgical consultation if refractory to medical therapy.</p><p><strong>Results: </strong>Adherence to 6 of the 11 quality indicators was improved in the post-intervention cohort. Significant increases were noted in adherence to <i>C difficile</i> testing (75.5% versus 91.9%, <i>P</i> < 0.05), CRP testing (71.4% versus 94.6%, <i>P</i> < 0.01), testing for latent tuberculosis (38.1% versus 84.6%, <i>P</i> < 0.01), thromboprophylaxis (28.6% versus 94.6%, <i>P</i> < 0.01), adequate corticosteroids prescription (72.9% versus 94.6%, <i>P</i> < 0.01), and limitation of narcotics prescribed (68.8% versus 38.9%, <i>P</i> < 0.01).</p><p><strong>Conclusions: </strong>Implementation of a standardized order set, focused on pre-defined quality indicators for hospitalized patients with severe UC, was associated with meaningful improvements to most quality indicators defined by the Toronto Consensus Statements.</p>","PeriodicalId":17263,"journal":{"name":"Journal of the Canadian Association of Gastroenterology","volume":"6 3","pages":"131-135"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10235590/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9582221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Finding the needle in the haystack: localization and endoscopic treatment of diverticular-associated lower GI bleeding.","authors":"Fiona Milne, Robert Bechara","doi":"10.1093/jcag/gwad002","DOIUrl":"https://doi.org/10.1093/jcag/gwad002","url":null,"abstract":"A 74-year-old previously healthy male presented to the Emergency Department with 12 hour history of painless hematochezia. He had positive orthostatic vitals from supine to standing. Colonoscopy was performed","PeriodicalId":17263,"journal":{"name":"Journal of the Canadian Association of Gastroenterology","volume":"6 3","pages":"95-96"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10235588/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9579185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kennedy Graham, Dominica Gidrewicz, Justine M Turner, Donald R Duerksen, Maria Ines Pinto-Sanchez
{"title":"Review and Critical Appraisal of Clinical Practice Guidelines of Modalities Used in the Diagnosis of Celiac Disease.","authors":"Kennedy Graham, Dominica Gidrewicz, Justine M Turner, Donald R Duerksen, Maria Ines Pinto-Sanchez","doi":"10.1093/jcag/gwad005","DOIUrl":"https://doi.org/10.1093/jcag/gwad005","url":null,"abstract":"<p><strong>Background: </strong>There is controversy over the recommendations for specific serological strategies implemented and the need for a biopsy to confirm celiac disease (CeD). We reviewed and appraised the current clinical practice guidelines (CPGs) to assess the quality and reliability of recommendations for CeD diagnosis in pediatric and adult populations.</p><p><strong>Methods: </strong>We searched databases, including MEDLINE, EMBASE, Web of Science, and CINAHL, between December 2010 and January 2021 for CPGs. Four independent reviewers extracted data. Appraisal of Guidelines Research and Evaluation (AGREE II) criteria were applied by two reviewers, and a standardized score was calculated for each of the six domains. A cut-off of 60% was used to identify high-quality guidelines.</p><p><strong>Results: </strong>A total of 654 records were identified, 10 of which were eligible for data extraction. Both adult and pediatric CPGs averaged above 70% for the domains of 'scope and purpose' and 'clarity and presentation'. For 'stakeholder involvement', the mean adult and pediatric CPG scores were below the cut-off. Only one adult-focused guideline exceeded the cut-off for the 'rigour of development' domain. 'Applicability' scores were most alarming, with adult CPGs averaging 21% and pediatric CPGs averaging 23%.</p><p><strong>Conclusion: </strong>Our review and appraisal of the CPGs for the diagnosis of CeD highlight significant discrepancies in clinical recommendations and some concerns regarding methodological rigour, particularly in stakeholder engagement, rigour, and applicability. Creating a Canadian guideline of high methodological quality that overcomes these weaknesses is critical to optimize patient care and ensuring accurate diagnoses in CeD.</p>","PeriodicalId":17263,"journal":{"name":"Journal of the Canadian Association of Gastroenterology","volume":"6 3","pages":"106-115"},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10235591/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9582216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}