Related Experiment Videos
Prospective study of gross motor development in children with SMA type II
1Divisione di Neurologia dello Sviluppo, Istituto Nazionale Neurologico C. Besta, Milano.
Insights
This study on Spinal Muscular Atrophy (SMA) found that early gross motor function milestones, like rolling by age five, predict later mobility. This helps in planning better rehabilitation for children with SMA.
Area of Science:
- Neurology
- Pediatrics
- Rehabilitation Medicine
Background:
- The natural history and early predictors of functional development in Spinal Muscular Atrophy (SMA) require further clarification.
- Understanding early disease progression is crucial for timely intervention in pediatric neuromuscular disorders.
Purpose of the Study:
- To investigate the natural history of SMA in children.
- To identify predictive criteria for functional development and gross motor milestones in early-onset SMA.
- To inform the development of more effective rehabilitation strategies.
Main Methods:
- A prospective study followed 20 children diagnosed with SMA between 1979 and 1992.
- Standardized assessments were conducted at regular intervals to evaluate joint contractures, scoliosis, and gross motor function.
- Data analysis focused on correlations between early milestones and later functional outcomes.
Main Results:
- Findings align with existing literature on the early and widespread occurrence of joint contractures and scoliosis in SMA.
- A significant correlation was observed between achieved gross motor function levels and the ability to walk with support.
- Acquiring the ability to roll by age five strongly correlated with the capacity to walk with assistive devices (crutches and braces).
Conclusions:
- The inability to roll appears to be an indicator of SMA disease severity.
- Early gross motor milestones, particularly rolling, are valuable predictors of functional prognosis in children with SMA.
- These insights can guide the creation of more targeted and rational rehabilitation programs for pediatric SMA patients.
Abstract:
The natural history of SMA and the identification of predictive criteria of functional development are still a matter of discussion. This prospective study involved 20 children with SMA, aged between 3.10 and 15.7 years. The patients were followed from 1979 to 1992 in order to try to develop a greater understanding of the natural history of SMA at a very early age. A standardized protocol was used at regular intervals to assess parameters such as joint contractures, scoliosis and the milestones of gross motor functions. Our findings agree with the data in the literature concerning the early and generalized onset of joint contractures and scoliosis. A significant correlation was found between the level of acquired gross motor functions and walking with support. The acquisition of rolling by 5 years of age was the milestone that best correlated with the acquisition of walking with crutches and braces; furthermore the inability to roll seemed to correlate with the severity of the disease. These findings should be useful in planning a more rational rehabilitation program.