Muscular Dystrophy

Posted by e-Medical PPT Monday, August 23, 2010
Muscular dystrophy refers to a group of hereditary muscle diseases that weaken the muscles.Muscular dystrophies are characterized by progressive skeletal muscle weakness, defects in muscle proteins, and the death of muscle cells and tissue.Commonly identified muscular dystrophies are Duchenne Muscular dystrophy, Becker Muscular dystrophy, limb girdle,Congenital, facioscapulohumeral, myotonic, oculopharyngeal, distal, and Emery-Dreifuss. Most types of MD are multi-system disorders with manifestations in body systems including the heart, gastrointestinal and nervous systems, endocrine glands, skin, eyes and other organs, namely the brain. The condition may also lead to mood swings and learning difficulties.
Duchenne muscular dystrophy (DMD) is the most common childhood form of muscular dystrophy, becoming clinically evident when a child begins walking.The gene for the protein dystrophin is absent in DMD. Since the gene is on the X chromosome, this disorder affects primarily males.Becker muscular dystrophy (BMD) is a less severe variant of Duchenne muscular dystrophy.
The diagnosis of muscular dystrophy is based on the results of a muscle biopsy and increased creatine phosphokinase (CpK3).There is no known cure for muscular dystrophy. Inactivity  can worsen the disease. Physical therapy, occupational therapy, orthotic intervention, speech therapy and orthopedic instruments may be helpful.

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