Background/Aims Patients with ulcerative colitis (UC) in remission commonly restrict thir lifestyle to prevent relapse; however, the effectiveness and impact on quality of life (QOL) is unclear. This study investigated whether lifestyle restrictions are associated with relapse reduction and assessed their impact on QOL.
Methods This multicenter, prospective cohort study was conducted in Japan (2018–2021) via the YOURS registry, enrolling patients with UC in clinical remission. Patients were followed for 2 years. A baseline questionnaire evaluated lifestyle restrictions in diet, work/study/housework, and physical exercise. QOL was assessed by Disease Impact Scale every 3 months during the first year of follow-up. Associations of lifestyle restrictions with relapse and QOL were assessed by Cox regression analysis and linear mixed-effects models, respectively.
Results Among 911 patients in clinical remission for > 90 days, 63% had adopted dietary avoidance; 47%, work/study/housework avoidance; and 8%, physical exercise avoidance. Overall, 216 patients relapsed. Lifestyle restrictions were not associated with reduced risk of relapse (multivariableadjusted hazard ratios [95% confidence interval]: dietary avoidance, 1.08 [0.81–1.44]; and work/study/housework avoidance, 1.14 [0.87–1.50]); physical exercise avoidance was associated with increased relapse (multivariable-adjusted hazard ratio, 1.58; 95% confidence interval, 1.02–2.44). All lifestyle restrictions were associated with impaired QOL (P <0.01).
Conclusions Lifestyle restrictions were not associated with relapse reduction in patients with UC; however, they were associated with impaired QOL. Clinicians should engage in evidence-based discussions with patients with UC in remission regarding lifestyle restrictions (UMIN Clinical Trials Registry; UMIN000031995).
Background/Aims Transabdominal ultrasonography (US) helps evaluate Crohn’s disease (CD) activity. We investigated whether the US could predict subsequent adverse outcomes for patients with CD in clinical remission.
Methods This single-center retrospective study included patients with CD in clinical remission who underwent US between April 2011 and April 2021, focusing on the predictability of subsequent adverse outcomes within 5 years. We used the US-CD, which was calculated using multiple US findings. Predictive variables were assessed using Cox proportional hazards regression analysis, and the predictive value was evaluated using receiver operating characteristic curves.
Results Seventy-three patients were included. During a median follow-up of 1,441 days (range, 41–1,825 days), 16.4% (12/73) experienced clinical relapse, 9.6% (7/73) required endoscopic balloon dilation (EBD), 58.9% (43/73) required enhanced treatment, and 20.5% (15/73) underwent surgery. In the multivariate analysis, US-CD was significantly associated with clinical relapse (P= 0.038) and the need for enhanced treatment (P= 0.005). The area under the receiver operating characteristic curve for predicting clinical relapse and the need for EBD was 0.77 and 0.81, respectively, with US-CD (cutoff value = 11), and that for requiring enhanced treatment was 0.74 with US-CD (cutoff value = 6). Patients with US-CD ≥ 11 demonstrated a significantly higher occurrence of clinical relapse (P= 0.001) and EBD (P= 0.002) within 5 years. Patients with US-CD ≥ 6 experienced a significantly higher likelihood of requiring enhanced treatment (P< 0.001) within 5 years.
Conclusions High US-CD is associated with subsequent adverse outcomes in patients with CD.
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Current treatment for inflammatory bowel disease (IBD) includes the application of anti-inflammatory agents for the induction and remission of IBD. However, prolonged use of anti-inflammatory agents can exert adverse effects on patients. Recently, formulated dietary approach in treating IBD patients is utilized to improve clinical activity scores. An alteration of gastrointestinal microbiota through dietary therapy was found to reduce IBD and is recognized as a promising therapeutic strategy for IBD. One of the recommended formulated diets is an anti-inflammatory diet (AID) that restricts the intake of carbohydrates with modified fatty acids. This diet also contains probiotics and prebiotics that can promote balanced intestinal microbiota composition. However, scientific evidences are limited to support this specific dietary regime in maintaining the remission and prevention relapse of IBD. Therefore, this review aimed to summarize available data from various studies to evaluate the AID diet effectiveness which will be useful for clinicians to manage their IBD patients by application of improved dietary therapy.
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