Crohns Disease in Children

10.31.09

In the last quarter century, it has become clear that Crohns disease and ulcerative colitis affect large numbers of children and young teens. Nutritional deficiency is a major issue in treatment of children with Crohns disease. Children are growing machines.

Inflammatory bowel disease may not cause great weight loss for youngsters at first, so failure to grow normally or backsliding on height and weight charts should be taken as signs that something is wrong and worth investigating. Children facing Crohns disease also have significant self-image issues to deal with.

The disease changes their routines, and its effects may separate them from the normal activities of childhood and adolescence. Therefore, these youngsters need sensitive support from family, friends, and physicians to help them maintain their social, as well as their physical, growth. Crohns disease is a serious, chronic disease affecting the digestive system. Chronic means that the disease is long-term and persistent, usually lifelong. Crohns disease causes inflammation, most often in the small intestine (which has three parts: duodenum, jejunum, and ileum).

The walls and lining of the affected areas become red and inflamed, leading to ulcers and bleeding. Crohns disease sometimes is named by referring to inflammation in the part of the intestine affected, such as jejunoileitis, ileitis, ileocolitis, or colitis (when it involves the large intestine, also called the colon).

Crohns disease can appear at any age, but it is most often diagnosed in adults in their 20s and 30s. However, approximately 30% of people with Crohns disease develop symptoms before 20 years of age. In the United States, about 100,000 teens and preteens have Crohns disease.Along with ulcerative colitis, a similar illness, Crohns disease is also called inflammatory bowel disease, or IBD.

Ulcerative colitis attacks only the large intestine in a continuous manner and does not affect the entire thickness of the bowel wall. Crohns disease, on the other hand, can occur anywhere in the digestive tract, from mouth to the anus, attacks different sites in the intestine with areas of normal intestine in between (“skip lesions”), and affects the full thickness of the intestinal wall.

Both conditions wax and wane: there are times when symptoms reappear or get worse (exacerbations or “flares”) and other periods when symptoms get better or go away altogether (“remission”).While Crohns disease causes many problems for people of all ages, it can present special challenges for children and teens. In addition to bothersome and often painful symptoms, the disease can stunt growth, delay puberty, and weaken the bones. Crohns disease symptoms may sometimes prevent a child from participating in enjoyable activities.

The emotional and psychological issues of living with chronic disease can be especially difficult for young people. As many as 70% of children with the disease have inflammation of the lower part of the ileum. More than half of these children also have inflammation in variable segments of the colon.

•    About 10%-20% of children have inflammation in the colon only.
•    Another 10%-15% have inflammation scattered around the small bowel, mainly in the middle section (jejunum and upper ileum).
•    A very small number have inflammation only in the stomach and the uppermost section of the small intestine where the stomach empties into the bowel (duodenum).

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