Prevalence and management of anemia in children, adolescents, and adults with inflammatory bowel disease
Article first published online: 20 MAY 2011
Copyright © 2011 Crohn's & Colitis Foundation of America, Inc.
Inflammatory Bowel Diseases
Volume 18, Issue 3, pages 513–519, March 2012
How to Cite
Goodhand, J. R., Kamperidis, N., Rao, A., Laskaratos, F., McDermott, A., Wahed, M., Naik, S., Croft, N. M., Lindsay, J. O., Sanderson, I. R. and Rampton, D. S. (2012), Prevalence and management of anemia in children, adolescents, and adults with inflammatory bowel disease. Inflamm Bowel Dis, 18: 513–519. doi: 10.1002/ibd.21740
- Issue published online: 13 FEB 2012
- Article first published online: 20 MAY 2011
- Manuscript Accepted: 23 MAR 2011
- Manuscript Received: 15 MAR 2011
- inflammatory bowel disease;
- iron deficiency anemia;
- iron supplements
Children and adolescents with inflammatory bowel disease (IBD) are more likely to have Crohn's disease (CD) than ulcerative colitis (UC) and their disease tends to be more extensive and severe than in adults. We hypothesized that the prevalence of anemia would therefore be greater in children and adolescents than in adults attending IBD outpatient clinics.
Using the WHO age-adjusted definitions of anemia we assessed the prevalence, severity, type, and response to treatment of anemia in patients attending pediatric, adolescent, and adult IBD clinics at our hospital.
The prevalence of anemia was 70% (41/59) in children, 42% (24/54) in adolescents, and 40% (49/124) in adults (P < 0.01). Overall, children (88% [36/41]) and adolescents (83% [20/24]) were more often iron-deficient than adults (55% [27/49]) (P < 0.01). Multivariate logistic regression showed that both active disease (odds ratio [OR], 4.7 95% confidence interval [CI], 2.5, 8.8) and attending the pediatric clinic (OR 3.7; 95% CI, 1.6, 8.4) but not the adolescent clinic predicted iron deficiency anemia. Fewer iron-deficient children (13% [5/36]) than adolescents (30% [6/20]) or adults (48% [13/27]) had been given oral iron (P < 0.05); none had received intravenous iron compared with 30% (6/20) adolescents and 41% (11/27) adults (P < 0.0001).
Anemia is even more common in children than in older IBD patients. Oral iron was given to half of adolescents and adults but, despite similar tolerance and efficacy, only a quarter of children with iron-deficient anemia. Reasons for the apparent underutilization of iron therapy include a perceived lack of benefit and concerns about side effects, including worsening of IBD activity. (Inflamm Bowel Dis 2012;)