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Introduction: Whether fecal calprotectin (FC) and quality of life (QoL) questionnaires reflect change in disease activity in patients with a J-pouch is unknown., Methods: Patients with acute pouchitis were prospectively treated with a 2-week course of antibiotics. The full Pouchitis Disease Activity Index, FC, and QoL questionnaires were measured at baseline and after antibiotic therapy., Results: Twenty patients were prospectively enrolled. After 2 weeks of antibiotic treatment, the Pouchitis Disease Activity Index decreased from a median of 9 to 5 ( P = 0.007). FC decreased from a median of 661 ug/g to 294 ug/g ( P = 0.02), and QoL questionnaires improved significantly., Discussion: FC and QoL questionnaires reflect real-time changes in inflammatory pouch activity., (Copyright © 2022 by The American College of Gastroenterology.)

Introduction: We evaluated whether persistent-positive celiac serology is associated with the risk of hypothyroidism., Methods: We extracted a cohort of subjects aged 1-80 years with a positive IgA anti-tissue transglutaminase between January 1, 2008, and December 31, 2012, and a repeat anti-tissue transglutaminase test within 6-36 months from a large population-based electronic medical record database. Based on serology tests, we categorized the pediatric (age <21 years) and adult cohorts into normalized or persistent-positive serology groups. All subjects were followed up for incident diagnosis of hypothyroidism from the last serology date up to December 31, 2017. Hazard ratio (HR) along 95% confidence intervals (CIs) were prepared to evaluate the association of celiac serology group with a diagnosis of hypothyroidism, crude, and adjusted for age, sex, and diagnosis of type 1 diabetes mellitus., Results: Among the pediatric cohort (n = 2,687), during a median follow-up of 64 months (interquartile range 48-80), 2.3% (16/681) of the persistent-positive serology group and 1.0% (20/2,006) of the normalized serology group developed hypothyroidism (HR 2.07 [95% CI 1.07-4.44], adjHR 1.77 [95% CI 0.91-3.46]). The rate among the pediatric cohort with an established diagnosis of celiac disease was 3.4% (10/486) vs 1.0% (5/481), HR 2.83 (0.96-8.32). In the adult cohort (n = 1,286), 4.5% (20/442) of the persistent-positive group and 3.9% (33/811) of the normalized serology group developed hypothyroidism (HR 1.13 [95% CI 0.65-1.97])., Discussion: In this retrospective, age-stratified analysis, we report that persistent-positive serology may be associated with the risk of hypothyroidism among the pediatric population. Prospective cohorts are needed to validate our findings., (Copyright © 2022 by The American College of Gastroenterology.)

Objectives: Patients with inflammatory bowel disease (IBD) are susceptible to Clostridioides difficile infections (CDIs), suffering from greater morbidity and mortality than the general population. Previous studies have proven the efficacy of oral vancomycin therapy in CDI, but there are no definitive guidelines to treat patients with IBD. We assessed the relationship between the length of vancomycin therapy and rates of CDI recurrence and reinfection in patients with IBD., Methods: We compared rates of CDI recurrence and reinfection in Crohn's disease and ulcerative colitis (UC) patients receiving long-duration (LD) and short-duration (SD) oral vancomycin therapy, defined as 21-42 days and 10-14 days, respectively. Recurrence and reinfection were defined as positive C. difficile toxin assay by polymerase chain reaction within 8 weeks of the end of antibiotic therapy and after 8 weeks of the end of antibiotic therapy, respectively. The Fisher exact test was used to test for significance, and multivariate logistic regression models were constructed to control for other covariables., Results: One hundred thirty-four patients with IBD (57 ulcerative colitis and 77 Crohn's disease) met inclusion criteria. LD vancomycin had a 1.8% incidence of CDI recurrence, compared with 11.7% in the SD vancomycin group (odds ratio = 0.13, P = 0.043). CDI reinfection rates and time to reinfection were not significantly different (LD 14.0% vs SD 16.9%, P = NS). Multivariate logistic regression models showed that treatment with LD vancomycin had lower odds for recurrence than SD vancomycin (odds ratio = 0.03, P = 0.021)., Discussion: LD vancomycin is associated with lower rates of CDI recurrence compared with SD vancomycin therapy. These results will help guide clinical decisions and the development of a prospective trial.