Delayed; Development, Intellectual, Delayed;Development;Physical
Conditions
Brief summary
This study aims to identify the etiology of children with motor developmental delay, in association with the results of magnetic resonance imaging and genetic analysis.
Detailed description
Results of other available assessments including Gross Motor Function Measurements and Bayley Scale of Infant Development, second edition, modified Ashworth Scale, IQ score and developmental language assessments are to be collected.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* clinical diagnosis of motor developmental delay * available results of functional assessments at ages older than 18 months Functional measures include either GMFM or BSID\_II
Exclusion criteria
* single domain delay other than motor (e.g., speech delay)
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Change of Gross Motor Function Classification System from baseline at 6 months | through study completion, an average of 1 year | To avoid variation in each individual the exact date of evaluation for every outcome is included to estimate the exact time from birth |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Brain MRI findings | From the date of the first documented developmental delay until the date of last documentation or date of death from any cause, whichever came first, assessed up to 100 months | the first brain MRI taken after the event causative to developmental delay, read by radiology specialists |
| Mental quotient | From the date of the first documented developmental delay until the date of last documentation or date of death from any cause, whichever came first, assessed up to 100 months | BSID-II mental month estimated/actual age in month times 100 |