BACKGROUND AND AIMS: Relapse rates after discontinuing anti-tumor necrosis factor-α (TNFα) therapy of infl ammatory bowel disease (IBD) patients in deep remission are poorly understood. This prospective singlecenter open-label study evaluated the relapse rates of IBD patients after stopping anti-TNFα therapy. METHODS: All IBD patients who were in clinical remission and stopped anti-TNFα therapy in 2011-2013 and were followed up for at least 12 months were enrolled. The "Ultradeep" patients were in calprotectin-negative (<50 ng/g) deep remission for at least six months and ceased anti-TNFα therapy on physician recommendations. The "clinical" patients were in clinical but not deep remission and ceased anti-TNFα therapy for other reasons. Relapse rates were assessed and relapse risk factors identifi ed. RESULTS: One year after stopping, 27 % and 27 % of the Ultradeep (n = 11) and Clinical (n = 11) patients relapsed, respectively. Two years after stopping, 57 % and 62 % relapsed, respectively (p = 0.89). All relapsed patients who underwent retreatment with anti-TNFα therap y re-entered remission. Male sex was a signifi cant risk factor for relapse (p = 0.03). CONCLUSION: Our study showed that even highly selected IBD patients who lack clinical, endoscopic or laboratory signs of disease activity have a relatively high relapse rate in the follow-up period after ceasing anti-TNFα therapy (Tab. 2, Fig. 3, Ref. 24). Text in PDF www.elis.sk.
Cholelithiasis is more common in patients with Crohn’s disease (CD) than in the healthy population. The aim here was to examine risk factors for cholelithiasis in a cohort of CD patients and to compare the prevalence of cholelithiasis in a cohort of CD patients with that in a control group. This was a single-center retrospective case-control study. The cohort comprised all consecutive CD patients who underwent abdominal ultrasound from January 2007 to January 2018. The control group comprised age- and gender-matched non-CD patients referred for upper gastrointestinal tract dyspepsia. The study included 238 CD patients and 238 controls. The prevalence of cholelithiasis in the CD and control groups was 12.6 % and 9.2 %, respectively (risk ratio (RR), 1.36; p=0.24). Univariate analysis revealed that cholelithiasis was associated with multiple risk factors. Multivariate analysis identified age (OR, 1.077; 95 % CI, 1.043–1.112; p<0.001) and receipt of parenteral nutrition (OR, 1.812; 95 % CI, 1.131–2.903; p=0.013) as independent risk factors for cholelithiasis in CD patients. The prevalence of cholelithiasis in CD patients was higher than that in the control group; however, the difference was not statistically significant. Age and receipt of parenteral nutrition were independent risk factors for cholelithiasis in CD patients.
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