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Research

Rett syndrome (RTT) is a complex neurodevelopmental X-linked disorder associated with severe functional impairments and multiple comorbidities. There is wide variation in the clinical presentation, and because of its unique characteristics, several evaluation tools of clinical severity, behavior, and functional motor abilities have been proposed specifically for it.

Research

The Rett Syndrome Gross Motor Scale (RSGMS) is an observational measurement, assessing gross motor skills in individuals with Rett syndrome. A Dutch version is lacking. The current study aims to translate and cross-culturally adapt the original RSMGS to Dutch and assess its inter-rater and intra-rater reliability.

Research

Down syndrome, also known as Trisomy 21, is one of the most common chromosome abnormalities in humans. It occurs when a child's cells end up with 47 chromosomes instead of the usual 46. Down syndrome causes intellectual disability and other physical and learning challenges.

Research

This study measured use and cost of health sector and related services in Rett syndrome and effects of socio-demographic, clinical severity and genetic factors

We investigated the factors that may affect the age at diagnosis for girls and woman with Rett syndrome.

We used multiplex ligation-dependent probe amplification to examine the MECP2 gene sequences in 149 girls and 1 boy.

Novel findings in relation to genotype

Using information from the Australian Rett Syndrome study, we examined the frequency of a range of sleep issues and variation by agegroup or gene abnormalities.

We wanted to assess bone mineral content and bone mass density in girls and women in our Australian study, and whether specific factors had any influence.

Using information provided by the Rett study, we looked at relationships of early development, genetic characteristics and the development of scoliosis.