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Biomedical subjects

H Leonard

Publications and source records attributed to H Leonard.

62 records · Page 4Linked to original sources

Childhood obsessive compulsive disorder: a two-year prospective follow-up of a community sample.

A 2-year prospective follow-up of a community-based sample of adolescents previously diagnosed as having obsessive compulsive disorder (OCD) or "obsessive compulsive spectrum" disorder and a control sample was completed by clinicians experienced with OCD but blind to prior diagnosis. An initial diagnosis of OCD or "other psychiatric disorder with OC features" was most likely to predict a diagnosis of OCD at follow-up. Subclinical OCD at baseline did not strongly predict continuing psychopathology. A prior diagnosis of obsessive-compulsive personality predicted continued obsessive-compulsive symptoms but its relationship to OCD remains obscure.

Adolescent↗

Objective and subjective side effects of research lumbar punctures in children and adolescents.

Lumbar punctures are a common clinical procedure in pediatric populations, yet little systematic information about side effects or the child's perspective of the procedure is available. In a subset (n = 20) of a sample of children and adolescents with disruptive behavior disorders, we recorded children's ratings of research lumbar puncture in comparison to other hospital experiences of blood sampling, electroencephalography, and going to school. Lumbar puncture did not differ from the other procedures in terms of preference. (School attendance was the last choice of 50% of our patients.) Postlumbar puncture headache occurred in 13 of 60 (22%) patients (age 6.5-19.8 years). Adults may overestimate the relative noxiousness of lumbar punctures in children.

Adolescent↗

What price souls?

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Guatemala↗

IDEA (Intellectual Disability Exploring Answers): a population-based database for intellectual disability in Western Australia.

Despite the demands it places on individuals, families and the community, intellectual disability (ID) is a neglected area of public health. Accurate estimates of prevalence are sparse and range from 0.5 to 3.0%. The cause of the condition is unknown in at least 50% of cases. This paper describes the Intellectual Disability Exploring Answers (IDEA) database set up in Western Australia to provide an infrastructure for research and to facilitate the planning of service provision for people with ID. Since 1953 a database for ID has been maintained in Western Australia, a state with a population of 1.95 million in an area of 2.52 million km2. The current IDEA database aims to obtain ongoing population-based ascertainment of ID from providers of clinical and educational services, with the potential for linkage to a network of other state databases. The average prevalence of ID for children born in Western Australia over the years 1983-1996 was 15.2 per 1000 live births, with 50% ascertained only through the education system. During this time period 60% of cases were male. Of children with an ID born in Western Australia in 1980-1999 and surviving to 1 year, 30.1% had a birth defect, and the prevalence ratio of birth defects in this group compared to the population with no birth defects was 6.5 (CI 6.3-6.8).

Adolescent↗

InterRett--The application of bioinformatics to International Rett syndrome research.

InterRett, International Rett Syndrome Association (IRSA) Rett Phenotype Database, is a unique international project funded by the IRSA, which brings together child neurologists, geneticists, paediatricians, epidemiologists, researchers and families of affected children. The principal aim of InterRett is to increase the clinical understanding of Rett syndrome throughout the world and with the statistical power of large case numbers, determine any correlations between genotype and the phenotypic characteristics. Since establishment of the database in January 2003, InterRett has registered 286 cases from 24 countries, with family questionnaire data submitted on 242 cases and clinician data on 116 cases. Collated de-identified data gathered from families and clinicians have been incorporated into a searchable online database allowing simple and complex interrogation of the clinical phenotype information. InterRett will also serve as a clearing house for data to encourage inter-country collaboration between researchers and negotiations are in place with several countries for data contributions in excess of 1000 cases. The resulting online database will be an invaluable resource for understanding the nature and management of Rett syndrome, as well as providing a model for other rare childhood disorders.

Child↗

Functional status, medical impairments, and rehabilitation resources in 84 females with Rett syndrome: a snapshot across the world from the parental perspective.

PURPOSE: Rett syndrome is a neurological disorder almost exclusively affecting females. Information on its genetic basis has recently become available. However there is little information on the burden and impact of this disorder on the family despite the apparent variability in phenotype. The purpose of this study was to obtain information on the burden and impact of Rett syndrome by examining the functional abilities, medical needs and use of medical, therapy and accommodation services in the sample. METHOD: We used the internet to access an opportunistic sample of parents of 86 females with Rett syndrome. Data on functional status (using the Wee FIM in questionnaire format) morbidity patterns and use of services were collected. RESULTS: The response indicated that the instrument used would be appropriate for tracking these parameters in a population-based cohort. Subjects with Rett syndrome in this pilot sample were completely or partially dependent in all functional domains and significantly more so than children with Down syndrome. CONCLUSION: The complexity of dependency with need for quality medical surveillance throughout adolescence and adulthood requires accessible centres of excellence linking families and skilled professionals. We plan to use this instrument to obtain a more comprehensive profile of the health, functioning and service use of a total population of children with Rett syndrome.

Activities of Daily Living↗