When Your Child Has Osteogenesis Imperfecta (OI) - Fairview Health Services
 
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When Your Child Has Osteogenesis Imperfecta (OI)

Your child has been diagnosed with osteogenesis imperfecta (OI). This is a rare condition that causes bones to be very thin and delicate. So they break (fracture) easily. OI is sometimes called brittle bone disease. There are four types of OI that range from mild to severe. A child with OI will be referred to a pediatric orthopedist (doctor who treats bone and joint problems in children). The child will also likely be referred to a metabolic specialist (doctor who treats problems with hormones in the body) and a pediatric geneticist (doctor specializing in inherited disorders).

Closeup of normal, dense bone.

 

Closeup of thin, delicate bone.

What causes osteogenesis imperfecta?

OI is a congenital condition. This means the child is born with it. It is most often due to a genetic defect (problem passed from a parent to the child). But OI can also happen in a child with no problem gene. OI is caused by a problem with a substance in the body called collagen. Collagen is important for the proper development of bone. The child’s body may make too little collagen. Or it may make collagen that is poor quality and hard for the body to use.

What are the signs of osteogenesis imperfecta?

The most common sign of OI is bones that break easily. A child may be born with fractures, and may have many broken bones during his or her first years of life. Depending on the type of OI present, the child may also have other signs and symptoms, including soft bones, bluish whites of the eyes, thin skin, and breathing problems.

How is osteogenesis imperfecta diagnosed?

OI is often diagnosed based on the child’s health history and a physical exam. If tests are done, they may include:

  • X-rays to show current or previous bone fractures.

  • Skin punch biopsy (small sample taken of the child’s skin) to study the child’s collagen. (This test is complicated and results can take several months.)

  • DNA study (a study of the child’s and parents’ genetic material).

How is osteogenesis imperfecta treated?

OI is a chronic condition. This means your child will have it for life, and there is no cure. But OI can be treated to help your child avoid fractures and serious problems. Treatment for OI is different for every child. The options depend on the severity of your child’s condition, your child’s age and health history, and your preferences. Work with the healthcare team to develop a plan that is best for you and your child. This plan is likely to include:

Woman giving boy liquid medicine.

1. Treating fractures when they occur with splints, braces, or casts, as needed.

2. Using methods to control pain from fractures, including over-the-counter or prescription medications, nerve block injections, or TENS (transcutaneous electrical nerve stimulation).

3. Giving the child medications called bisphosphonates to increase bone mass. These are taken every day. In a young child they may be given by intravenous (IV) line.

4. Making lifestyle changes to limit fractures and increase muscle strength, such as:

  • Ensuring the child gets plenty of healthy, nutritious foods and any vitamin supplements that are prescribed by the healthcare team.

  • Encouraging low-impact exercise to strengthen bones and muscles (swimming, water therapies, and walking are all good choices).

  • Teaching the child to avoid roughhousing with siblings and playmates.

  • Helping the child maintain a healthy weight to avoid excess stress on the bones.

5. Working with a physical therapist to do special exercises to help strengthen muscles and joints.

6. Using supportive devices as needed, such as crutches, braces, or wheelchairs.

When is surgery done for OI?

Surgery called “rodding” may be recommended for some children with OI. During this surgery, expandable metal rods are put into the long bones of the child’s arms and legs. These strengthen the limbs and prevent breaks. As the child grows, these rods get longer. If your child is a good candidate for rodding, your healthcare team can tell you more about it.

What are the long-term concerns?

Children with OI often don’t grow very tall. Many fractures in one bone may cause the bone to be crooked. And the child with OI may also be more likely to have other conditions, such as tooth decay, scoliosis (curvature of the spine), and hearing loss. Working with the child’s healthcare team to closely manage the condition helps prevent and manage complications. So keep in close contact with your child’s healthcare team and follow instructions and suggestions closely. Also, be an advocate for your child. Ask questions when you don’t understand something or need to know more.

Coping with OI

A serious disease like OI can be hard on the child, parents, and other family members. But you don’t have to deal with it alone. In addition to talking with your healthcare team, consider professional counseling for parents and children. Counseling can help you and your child cope with the emotional issues that often come along with chronic disease. Many OI support groups are also available for parents, children, and families. In a support group, you can share joys, frustrations, tips, and knowledge with others who are also dealing with OI. Ask your healthcare team for more information.

Resources

To find support groups and get more information about OI, visit these sites on the Internet:

  • Osteogenesis Imperfecta Foundation

    www.oif.org

  • National Organization for Rare Disorders (NORD)

    www.rarediseases.org

 

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