Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0025362 (mental retardation)
 15,878 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A study of the neurological and intellectual sequelae of childhood near-drowning is reported. Results are from a total population study, without selection, of all freshwater immersion accidents in which consciousness was lost in the water. Such accidents affected 56 children in the city of Brisbane and environs over the period 1971-75. 54 of these children have been re-examined medically and psychometrically. Over 95 per cent of children who survived such accidents were neurologically normal. The median i.q. of survivors was 110 (range 90-137), which is higher than that of the general population. There is a suggestion that visualmotor (performance)) skills are particularly vulnerable to freshwater immersion hypoxia. In 20 per cent of survivors subscale disparities between verbal and performance skills exceeded 15 i.q. points. No correlation between the post-immersion I.Q. and either estimated immersion-time or water temperature was demonstrated in this study. No long-term emotional or personality disorders were encountered. Uncommon gross clinical sequelae of prolonged immersion in fresh water included spastic quadriplegia and gross mental retardation. All children in this study were apparently dead at the moment of rescue; despite this, the prognosis of near-drowning in childhood is excellent
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PMID:Neurological and phychometric studies in children surviving freshwater immersion accidents. 6 99

Fifty-one children surviving IRDS with CPAP alone or CPAP and IPPV were studied at the age of 2.5 to 4.0 years. One child had developed tetraplegia and mental retardation and 6 children were speech-retarded. Correlation with perinatal events showed that this group of children had a significantly lower gestational age and birth weight, a lower Apgar score and a higher PCO2 prior to ventilatory treatment than the remainder. Re-examination by age 4.0 to 5.0 years showed persistent handicaps in only four of the seven children.
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PMID:Long-term prognosis of infants with idiopathic respiratory distress syndrome. Follow-up studies in infants surviving after the introduction of continuous positive airway pressure. 36 80

We reported a clinical course and autopsy results of an 8-year-old severely handicapped girl with marked periventricular leukomalacia. She was well until 3 days prior to first admission in local hospital. Two days prior to admission, she began to vomit. Twelve hours later, she was noted to be lethargic and developed malaise with frequent vomiting. At physical examination on admission, she had frequent fits and her posture was decerebrate rigidity. Consciousness disturbance continued for two weeks. Thereafter, she became severely handicapped with spastic quadriplegia, mental retardation and intractable epilepsy. She was transferred to our hospital one month later. We cared her totally and carefully with our rehabilitation staff, but during her course several rare happening occurred; she suffered from subdural hemorrhage due to hypocupremia and received an operation for the release of contracture of her hips. She died of acute cardio-respiratory failure at 8 years and 5 months of age. Her autopsy findings were characteristic of the damage to an immature brain during development; cactus formation of cerebellar cortex and periventricular leukomalacia.
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PMID:[A clinical course and autopsy results of an 8-year-old severely handicapped girl with marked periventricular leukomalacia]. 138 94

Care-load was analysed for 44 children and young adults (mean age 18.9 years) with severe spastic quadriplegia. All were enrolled in a residential school/hospital and used wheelchairs. The majority were in the moderate to borderline range of mental retardation. They were monitored for 24 hours a day over a seven-day period, and were timed in 10 major activities, including basic care (bathing, toileting, dressing, grooming, feeding), as well as sleep, leisure, education/vocation, counseling/psychosocial therapy, medical/nursing care, transportation, and at home. The findings replicated those of an earlier Swedish study, which suggests that the basic care needs of individuals with severe cerebral palsy may be predictable, regardless of the type of care being provided.
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PMID:Care-load for children and young adults with severe cerebral palsy. 142 88

The clinical pattern and etiology of 544 cases of cerebral palsy were studied retrospectively. Of these cases, 354 (65.1%) were males. Four hundred and ninety seven (91.4%) cases were of spastic type. Hypotonic, ataxic and athetoid cerebral palsy were observed in 5.5, 1.5 and 1.3% cases, respectively. There was one case each of tremor and mixed type. In the spastic group, quadriplegia comprised the maximum number of cases (34.9%). Hemiplegia (28.7%) and diplegia (21.9) were also common. Mental retardation was found in 47.2%, while speech impairment was observed in 37% cases. Other handicaps included visual (9%), seizures (8.8%), and auditory handicap (2.9%). The etiological factors were prenatal in 7.7% cases, natal in 43.8% cases and postnatal in 26.1% cases. More than one etiological factor was observed in 14.5% cases, while in 7.9% cases, no apparent cause could be found.
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PMID:Cerebral palsy. 807 18

We report on 4 generations in a family with 3 living males, 3 males who died in infancy, and 3 females with neurologic impairment and agenesis of the corpus callosum (ACC). Manifestations in the surviving males include severe acquired micrencephaly, mental retardation, limb contractures, scoliosis, tapered digits with hyperconvex nails, a characteristic face with large eyes, prominent supraorbital ridges, synophris, optic atrophy, broad alveolar ridges and seizures. Urologic anomalies include renal dysplasia, cryptorchidism, and hypospadias. Two affected females were less severely impaired and continued to be socially responsive as adults, but had spastic quadriplegia and seizures. One obligate heterozygote was retarded with emotional problems while another obligate carrier female and her daughter were clinically normal. Pedigree analysis suggested X-linked inheritance with variable expression in females. These findings are inconsistent with the well-described X-linked conditions with ACC including FG syndrome and Aicairdi syndrome. ACC has not been described in Coffin-Lowry syndrome, a condition with similar clinical findings, which also demonstrates marked variability of expression in carrier females. In order to assist in carrier determination, brain imaging studies and DNA linkage analysis of the affected relatives was performed. We found a spectrum of agenesis of the corpus callosum with the most severe manifestations in the most severely affected males. DNA analysis using a series of X-linked probes suggests linkage with a LOD score of 1.26 at theta = 0 to a region between p 11.3 and p 21.3.
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PMID:New X-linked syndrome with seizures, acquired micrencephaly, and agenesis of the corpus callosum. 846 65

Twenty-seven infants with cytomegalovirus hepatitis were followed up for 15-40 months after onset of the illness. They had recovered from the hepatitis, but microcephaly was present in 2 (7.4%), sensorineural hearing loss in 5 (18.5%), quadriplegia, mental retardation, ventricular septal defect and tooth defects in 1 (3.7%) each. The patients with congenital infection had more severe and complex defects, some with perinatal infection had mild defects, those with postnatally acquired infection had no sequelae. The mean MDI and frequency of expressive language delay in the former group differed significantly from those of the other 2. Five patients still excreted cytomegalovirus in the urine at follow-up.
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PMID:Effects of cytomegalovirus hepatitis on growth, development and nervous system of infants. A follow-up study. 165 27

A nationwide survey of transient hyperammonemia in newborns was carried out in Japan. A total of 18 patients, consisting of 12 male and 6 female infants, were reported from 11 facilities. These neonates exhibited hyperammonemia with plasma ammonia levels in the range from 124 to 6256 micrograms/dl. Four newborn infants of the 18 died in the neonatal period, and an additional one died in the early infancy. Among the 13 infants who were alive at the time of this survey, 6 had neurological sequelae, including mental retardation, spastic quadriplegia and epilepsy. The multivariate analysis revealed that the Apgar score at 1 minute, peak plasma ammonia concentration, birth weight and sex were significant factors affecting the prognosis of life.
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PMID:A nationwide survey on transient hyperammonemia in newborn infants in Japan: prognosis of life and neurological outcome. 177 16

Thirteen neurologically impaired children with paroxysmal ocular downward deviation were studied. The eye movement accompanied downward movement of the upper eyelid; there was no coincident paroxysmal discharge on electroencephalography. The ocular abnormality was observed in infancy, predominantly in preterm infants, and spontaneously resolved in many of them. All patients had spastic quadriplegia or diplegia and mental retardation. Many children also had cortical visual impairment. This eye movement abnormality, not reported previously, should be considered to be a neurologic sign in brain-damaged infants with cortical visual impairment.
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PMID:Paroxysmal ocular downward deviation in neurologically impaired infants. 147 82

We investigated the relationship between serial cranial CT findings and prognoses in 11 children after near-drowning. These patients were rescued after heart arrest for more than 10 minutes and all comatose on admission. CT scans were performed within 2 weeks, at 3 weeks-1 month, 2-4 months and more than 5 months after admission. Characteristics of CT findings and prognoses were classified into four groups. Group 1: low density areas in thalami, basal ganglia and cortical white matters within 2 weeks (three cases; one died, two became vegetative). Group 2: enlargement of the third ventricle at 3 weeks-1 month, and atrophy of pons at 2-4 months (three cases; severe quadriplegia and mental retardation). Group 3: enlargement of the third ventricle at 3 weeks-1 month, but atrophy of pons not observed at 2-4 months (three cases; mild motor disabilities and mild mental retardation). Group 4: enlargement of third ventricle not observed at 3 weeks-1 month (two cases; neither paralysis nor mental retardation).
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PMID:[CT findings and prognoses of anoxic brain damage due to near-drowning in children]. 204 68


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