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Autosomal recessive hypophosphatemic rickets type 2 (ARHR2) and generalized arterial calcification of infancy (GACI) occur secondary to biallelic ectonucleotide pyrophosphate/phosphodiesterase 1 (ENPP1) loss-of-function pathogenic variants. GACI is a life-threatening condition, often presenting in the neonatal period with heart failure and hypertension, caused by calcification of the media in large- and medium-sized arteries.
MECP2 duplication syndrome (MDS) is an ultrarare, X-linked neurodevelopmental disorder that is poorly understood in terms of its natural history and phenotypic variability. There is limited information on how individuals with MDS acquire, retain or lose fundamental functional skills (gross motor, purposeful hand function and communication) - that of which this study aimed to better characterise in the largest case series to date.
Research on the health literacy of parents with children with intellectual disability is limited. Understanding parents' healthcare skills and needs is essential for improving children's health and developing effective support. In this study we aimed to (1) explore the health literacy skills of parents that enabled them to support the health needs of their child with intellectual disability and the factors influencing these skills, and (2) identify opportunities to support parent health literacy.
To evaluate the psychometric properties of the Quality of Life Inventory -Disability (QI-Disability) for individuals with Dravet syndrome (DS) or Lennox-Gastaut syndrome (LGS), two rare developmental and epileptic encephalopathy conditions.
Cerebral palsy (CP) should not be considered as a diagnosis but as a label; it is an umbrella term, primarily affecting posture and mobility. The definition is not sufficiently precise to guarantee agreement as to which patients to include under this label, but the additional inclusion criteria required are not yet internationally standardised.
Epidemiology of cerebral palsy (CP) aims to describe the frequency of the condition in a population and to monitor its changes over time, and a guide to the management of patients. Classification of CP is an important step toward describing more homogenous subgroups of persons with CP.
Siblings of children with neurodevelopmental conditions have unique experiences and challenges related to their sibling role. Some develop mental health concerns as measured by self-reported surveys or parent report. Few data are available at the population level, owing to difficulties capturing wide-scale health data for siblings. Data linkage is a technique that can facilitate such research.
Down syndrome, the most common genetic disorder, is caused by the presence of all or part of a third copy of chromosome 21. We identified the top 10 patient and carer research priorities for children with Down syndrome.
Information on the hospital service use among individuals with CDKL5 Deficiency Disorder, an ultrarare developmental epileptic encephalopathy, is limited, evidence of which could assist with service planning. Therefore, using baseline and longitudinal data on 379 genetically verified individuals in the International CDKL5 Disorder Database, we aimed to investigate rates of seizure-related and other hospitalizations and associated length of stay in this cohort.
To describe the timing and causes of post-neonatally acquired cerebral palsy (PNN-CP) and map the implementation of relevant preventive strategies against cause-specific temporal trends in prevalence.