Journal
INFLAMMATORY BOWEL DISEASES
Volume 20, Issue 8, Pages 1329-1340Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MIB.0000000000000104
Keywords
depression; inflammatory bowel disease; abdominal pain; psychological
Categories
Funding
- National Institute of Mental Health [R01MH077770]
- NIH Director's Innovator Award [1DP2OD001210]
- National Institute of Health [UL1 RR024153, UL1TR000005]
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Background: Pediatric patients with inflammatory bowel disease (IBD) have high rates of abdominal pain. The study aims were to (1) evaluate biological and psychological correlates of abdominal pain in depressed youth with IBD and (2) determine predictors of abdominal pain in Crohn's disease (CD) and ulcerative colitis (UC). Methods: Seven hundred sixty-five patients aged 9 to 17 years with IBD seen over 3 years at 2 sites were screened for depression. Depressed youth completed comprehensive assessments for abdominal pain, psychological (depression and anxiety), and biological (IBD-related, through disease activity indices and laboratory values) realms. Results: Two hundred seventeen patients with IBD (161 CD, 56 UC) were depressed. One hundred sixty-three (120 CD, 43 UC) patients had complete abdominal pain index scores. In CD, abdominal pain was associated with depression (r = 0.33; P < 0.001), diarrhea (r = 0.34; P = 0.001), erythrocyte sedimentation rate (r = 0.22; P = 0.02), low albumin (r = 0.24; P = 0.01), weight loss (r = 0.33; P = 0.001), and abdominal tenderness (r = 0.38, P = 0.002). A multivariate model with these significant correlates represented 32% of the variance in pain. Only depression (P = 0.03), weight loss (P = 0.04), and abdominal tenderness (P = 0.01) predicted pain for patients with CD. In UC, pain was associated with depression (r = 0.46; P = 0.002) and nocturnal stools (r = 0.32; P = 0.046). In the multivariate model with these significant correlates, 23% of the variance was explained and only depression (P = 0.02) predicted pain. Conclusions: The psychological state of pediatric patients with IBD may increase the sensitivity to abdominal pain. Thus, screening for and treating comorbid depression may prevent excessive medical testing and unnecessary escalation of IBD medications.
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