Impact of Depressive Mood on Relapse in Patients With Inflammatory Bowel Disease: A Prospective 18-Month Follow-Up Study

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Abstract

Objective

There is evidence of an interaction between psychological factors and activity of inflammatory bowel disease (IBD). We examined the influence of depressive mood and associated anxiety on the course of IBD over a period of 18 months in a cohort of patients after an episode of active disease.

Methods

In this prospective, longitudinal, observational study, 60 patients (37 women and 23 men) with clinically inactive IBD (Crohn disease, n = 47, 78%; ulcerative colitis, n = 13, 22%) were enrolled after a flare of disease. Psychological status, health-related quality of life (HRQOL), and disease activity were evaluated at baseline and then every 3 months for a period of 18 months by means of clinical and biological parameters, the Beck Depression Inventory (BDI), the Spielberger State-Trait Anxiety Inventory, the Inflammatory Bowel Disease Questionnaire, the Perceived Stress Questionnaire, and the Rating Form of Inflammatory Bowel Disease Patients Concerns.

Results

At baseline, depression (BDI ≥13 points) was found in 17 of 60 (28%) patients. Thirty-two patients (59%) experienced at least one relapse during the 18 months of follow-up. Regression analysis showed a significant correlation between BDI scores at baseline and the total number of relapses after 12 (p < .01) and 18 months (p < .01) of follow-up. Furthermore, depression scores at baseline correlated with the time until the first recurrence of the disease (p < .05). Anxiety and low HRQOL were also related with more frequent relapses during follow-up (p < .05 and p < .01, respectively).

Conclusions

Psychological factors such as a depressive mood associated with anxiety and impaired HRQOL may exert a negative influence on the course of IBD. Therefore, assessment and management of psychological distress should be included in clinical treatment of patients with IBD.

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