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Inflammatory Bowel Disease in Kids

Children increasingly affected by this common autoimmune disorder

Every kid has suffered through a few bad tummy aches. But when a child's digestive problems escalate into a dramatic change in bowel habits, crampy abdominal pain and a lack of energy, something more serious may be going on.

Inflammatory bowel disease includes two chronic digestive conditions, Crohn's disease and ulcerative colitis. Both cause ongoing inflammation of the gastrointestinal (GI) tract.

While ulcerative colitis is limited to the inner lining of the large intestine (the colon), Crohn's disease may occur anywhere in the GI tract, including the small intestine, large intestine, rectum or mouth. Although inflammatory bowel disease is most common between the ages of 15 and 30, there has been a dramatic increase among children in the past few years.

"It's not clear whether the increase is due to a change in the incidence of the disease or that pediatricians are now recognizing that children can have this disease too," says Bruce Orkin, MD, chief of colon and rectal surgery at Rush. Orkin is one of the few colorectal surgeons in the country who specialize in the treatment of intestinal problems in children.

What's going on?

Crohn's disease and ulcerative colitis are autoimmune disorders in which a person's immune system mistakenly attacks healthy body tissues. This reaction causes an inflammatory response that occurs within the GI system.

Chronic inflammation leads to symptoms that can come and go with periods of flare-ups. The most common symptoms include abdominal pain, blood in the stools, fever, fatigue, loss of appetite, persistent diarrhea and weight loss.

An overall lack of energy is another subtle sign that can tip parents off to a problem. "If your child isn't going out to play, isn't eating well and is complaining of stomach aches, that can signal a problem, including inflammatory bowel disease," says Orkin.

While the causes of inflammatory bowel disease are still unknown, environmental factors, diet and family history are thought to play a role. In fact, about one-third of patients who have inflammatory bowel disease also have a first-degree (parents or siblings) or second-degree (grandparents, aunts or uncles) relative who has the disease.

Getting kids well

Living with inflammatory bowel disease can be hard on young patients and their families. Children may have a hard time understanding what's happening to them. They may miss a lot of school and feel embarrassed by their condition.

The key is to provide kids with the treatment, comfort and encouragement they need to feel better, allowing them to enjoy a happy, more carefree childhood.

"Kids know they feel crummy and they are unhappy, but rational explanations don't really work," says Orkin. "I try to be supportive, encouraging, warm and friendly. I also spend a lot of time talking to parents, helping them understand the disease and the treatment plan."

Both Crohn's and ulcerative colitis are chronic conditions. However, medications can help children go into remission for long periods of time.

Although there is currently no medication that can cure inflammatory bowel disease, there have been significant improvements in medications used to treat the symptoms of Crohn's disease and ulcerative colitis in children: The most common are corticosteroids, which decrease inflammation, and drugs that suppress the immune system to prevent further inflammation.

The pros and cons of medications

While these medications are often highly effective in relieving symptoms, a big concern with children is that these medications can slow growth and decrease stature. Adding to that, the diseases themselves can actually interfere with children getting the nutrients they need from food, which further slows growth and may delay puberty.

"To prevent these complications, young patients are typically on steroids like Prednisone for less than three months, with a maximum of six months," says Orkin. "We have to strike a balance between keeping children on medications with the risk of slowed development vs. doing surgery, which is, of course, invasive and has risks. But our primary goal is to treat them to control symptoms and allow them to grow up normally."

Medications used to treat inflammatory bowel disease also put children at risk for other types of infections and diseases. The most serious concern with immunosuppressant medications is the threat of developing certain cancers, particularly lymphomas and leukemias. But more research is needed to determine how significant the risk is.

"It may just be a tiny percentage of patients, but even one is a concern," says Orkin. "Or it may be that the benefits of these medications outweigh the risk of not treating the disease at all."

If left untreated, Crohn's disease and ulcerative colitis can lead to chronic and sometimes dangerous complications, such as infections, intestinal bleeding, liver problems, malnutrition and other health problems.

Kids know they feel crummy and they are unhappy. I try to be supportive, encouraging, warm and friendly. I also spend a lot of time talking to parents, helping them understand the disease and the treatment plan.

Surgical solutions

Although medications can be effective in putting inflammatory bowel disease into remission, about 30 percent of people with ulcerative colitis and 70 percent of people with Crohn's require surgical treatment at some point in their lives. Surgical interventions can help relieve many symptoms and, in some cases, cure the disease.

Some of the most common reasons for surgery are inadequate response to medications with continued symptoms and inability to get off medications without developing significant symptoms again. In addition, when patients develop fistulas, bleeding problems, or a narrowing of the bowel, which occurs when scar tissue forms as a result of chronic inflammation, they may need surgery.

The goal of surgery is to eliminate the disease and restore function. For example, ulcerative colitis can essentially be cured by removing the colon and rectum. Colorectal surgeons can create an internal pouch using part of the small intestine, allowing patients to have semi-regular bowel movements without a permanent ileostomy (an external pouch/bag system for waste).

Surgical procedures for Crohn's disease offer treatment for the consequences of the disease — such as narrowing of the bowel with symptoms of blockage. However, surgery does not cure Crohn's disease.

For instance, to treat narrowing of the bowel, a surgeon can perform a surgical procedure called a strictureplasty that opens up the narrowed area. The surgery offers patients relief from significant cramping and bloating issues associated with the condition.

Making surgery easier on kids

Minimally invasive approaches, such as laparoscopy, have made colorectal surgeries easier on children. A laparoscopic procedure is a modern surgical technique that uses small incisions rather than larger incisions used in traditional surgeries.

"These are still major surgeries," Orkin says. "But the benefit of doing them laparoscopically is that there is less pain, faster recovery, less time in the hospital and a better cosmetic outcome.”

Surgery can make a significant difference in a child's quality of life as well, according to Orkin. "Once you perform surgery and they are feeling better. They suddenly have a spurt of growth, they start eating everything under the sun, they gain weight and they become much more sociable.

While these are challenging and sometimes painful conditions, children with inflammatory bowel disease can live quite happy and productive lives. "Children are remarkable in their physical and emotional ability to recover from these disorders," says Orkin.

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