The issue of sample characteristics: biologically at risk or developmentally delayed infants.
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AIM: To examine the relation of doxapram to a developmental score achieved by a structured telephone interview in a group of extremely-preterm-born children. METHODS: Parents of 88 children born extremely preterm were contacted by telephone and interviewed by a structured questionnaire (R-PDQ) when the corrected age of their child was 9-15 mo. RESULTS: We found that doxapram treatment was associated with a deficit in age-adjusted R-PDQ score. CONCLUSION: Doxapram may have a negative effect on neurodevelopmental outcome.
The course of development of a 5-year-old boy with a serious developmental retardation and massive behaviour problems who spoke only a few words is documented and described with psychometric tests and spontaneous language samples up to the age of 8-9. Inspite of this developmental retardation and poor care, the child reached until then an average to above-average intelligence in nonverbal functions. The symptoms were reduced only to a specific language impairment. At the age of 11, this disorder as well had practically disappeared. Such a course of development after the age of 5 is not common, whereas a specific language impairment normally remains a deficit. Possible causes for this favourable development are discussed.
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Hicks-Caskey and Potter (1991) claim to have found a "full moon effect" on women in a developmental center. Further, they suggest the discrepancies in findings on lunar effects can be accounted for by (i) a lack of equivalent operational definitions and (ii) a person selection factor. It is argued that the Hicks-Caskey and Potter findings are undermined by weekday, holiday, season, weather, particular staff-subject interactions, and expectancy effects. In addition, the proposed explanations for differing outcomes in lunar studies do not explain both the negative findings and conflicting positive findings.
The relationship between vestibular stimulation and language development in a group of five primary trainable mentally deficient and five developmentally retarded preschoolers was studied. Subjects received vestibular stimulation prior to a free play situation and were monitored for spontaneous recognizable language use. Results indicated an increase in spontaneous verbal language use for both groups immediately after the stimulation periods, and suggest vestibular stimulation as an effective nonverbal intervention method for the facilitation of spontaneous language.
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We investigated the spontaneous secretion of GH during sleep (20.00 to 8.00) in 76 children with short statute. No difference could be found between a group of 12 children with familiar short stature or a group of 28 children with familial delay of growth and development: mean GH level 5.88:5.71 maxima 26.9:25.4 ng/ml, and integrated concentration of GH 2360:2617 ng x min/ml. 14 children with severe growth hormone deficiency proven by 2 stimulation tests, secreted significantly lower amounts of GH (mean 0.83 ng/ml, maximum 2.9 ng/ml, integrated concentration 371 ng x min/ml). 22 children with nonfamilial delay of growth and development presented values being lower than the first two groups, but higher than the group of GH deficiency patients (mean 3.07 ng/ml, maximum 13.8 ng/ml, integrated concentration 1429 ng x min/ml). Since in these children the anamnesis revealed events like breech delivery, shock or commotio cerebri as the history of patients with GH deficiency does, these events apparently cause the defective GH secretion in nonfamilial delay of growth and development.
We describe a 2-month-old boy with penoscrotal inversion, hypospadias, imperforate anus, facial anomalies, developmental retardation, and a subtelomeric deletion of chromosome 13q. His phenotype with anogenital malformations and characteristic facies closely resembled two unrelated patients with minute deletions of chromosome 13q who we reported earlier. In addition, he had unilateral renal agenesis. We propose that these patients represent a clinically recognizable, novel chromosomal microdeletion syndrome. The findings indicate the presence of a major gene(s) on chromosome 13q33.2qter that regulate(s) the migration and development of ano-reno-genital cells and organs. We speculate that mutations of this developmental gene(s) may also result in more frequent congenital malformations (isolated hypospadias, uterus bicornis, unilateral renal agenesis). Additional studies are needed to further delineate the genetic defect.