进行性肌营养不良症是一组主要累及骨骼肌系统的遗传性疾病。而Duchenne进行性肌营养不良症(Duchenne musculardystrophy,DMD)是最常见和最严重的一种类型,是一种少见的X连锁隐性遗传病,临床表现为进行性加重的肌肉萎缩。心脏受累可出现扩张型心肌病表现、心功能不全。本研究应 Progressive muscular dystrophy is a group of inherited diseases that primarily involve the skeletal system. The Duchenne muscular dystrophy (Duchenne muscular dystrophy, DMD) is the most common and the most serious type, is a rare X-linked recessive disease, the clinical manifestations of progressive aggravated muscle atrophy. Cardiac involvement may appear dilated cardiomyopathy performance, cardiac insufficiency. This study should be