Prevention of Rapidly Progressive Scoliosis in Duchenne Muscular Dystrophy by Prolongation of Walking with Orthoses

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Abstract
We reviewed the incidence and severity of scoliosis in 93 boys with Duchenne muscular dystrophy who had been rehabilitated in light-weight knee-ankle-foot orthoses at the point of loss of ambulation, between the ages of 6 and 12 years. There was an inverse relationship between the severity of the scoliosis and the age walking was lost in the orthoses. The scoliosis was less severe in the 20 boys (22%) who walked in their orthoses beyond 13 years of age than in those who stopped walking in their orthoses before 13 years. There was also a rapid deterioration in the scoliosis between the ages of 13 and 15 years in boys who had stopped walking in their orthoses before the age of 13 years, while in comparison, boys of the same age who were ambulant in their orthoses beyond 13 years showed a much slower rate of deterioration. These results strongly suggest that walking in orthoses beyond the age of 13 years prevented rapid progression of scoliosis between 13 and 15 years of age, ie, during the pubertal growth spurt. (J Child Neurol 1988;3:269-274).