Facts on Duchenne Muscular Dystrophy

1. Causes Muscles to Weaken in Boys

Duchenne Muscular Dystrophy (DMD) is one of several kinds of Muscular Dystrophy. It afflicts only boys beginning in early childhood. Children diagnosed with DMD lack dystrophin, a protein the human body uses to build and maintain muscles. The muscles become increasingly weaker over time because of this deficiency. DMD affects all of the major muscles in the body.

2. Sons Get It From Mom

DMD is an inherited, genetic disease passed along by what experts call the X-linked recessive inheritance pattern. This means that although DMD only occurs in boys, women carry it on the X-chromosome. Mothers pass DMD to their sons, and their daughters may become carriers. Families with a history of DMD should seek genetic counseling as part of family planning.

3. Muscle Deterioration Leads to Breathing Difficulties

DMD symptoms begin in early childhood with muscle weakness in the legs and hips. Children at this stage may fall down a lot, or begin to have trouble running and jumping. By age twelve most young people with DMD require a wheelchair. Calf muscles in the lower legs enlarge as fat replaces muscle tissue. Elsewhere in the body, the muscles may shrink, appearing to waste away. This muscle deterioration can cause unnatural curvature of the spine that leads to chest and shoulder deformation. In young adulthood, people with DMD begin to have trouble breathing. Most individuals with DMD do not live past their twenties. Special medical tests can determine or rule out a DMD diagnosis.

4. Live the Best Life

Treatment of DMD focuses on the quality of life and the maintenance of ability. Children with DMD should remain physically active for as long as possible because a sedentary lifestyle accelerates muscle deterioration. Occupational and physical therapies play major roles in the management of DMD. Assisted devices such as leg braces and wheelchairs can help kids with this muscular dystrophy disease remain active and self-reliant.

5. Sharing Makes It Easier

Support resources are available for families who have a loved one living with DMD. Parents endure tremendous grief, anger and guilt when they learn their child has the disease. The reciprocal bonding of families in similar circumstances helps them cope and allows them to do the best they can for their child and each other. Aside from the emotional support, parents and family members can share tips and advice about their experiences with the disease. Children living with DMD can meet and get to know other children who have the same medical condition.

Last updated on: Nov 18, 2009

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