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The neurodevelopmental progress of infants less than 33 weeks into adolescence.

机译:婴儿进入青春期不到33周的神经发育过程。

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BACKGROUND: Several studies have shown an increased incidence of neurodevelopmental impairment in very preterm survivors at school age compared with controls. AIM: To compare findings in the same cohort at 8 years and 15 years. METHODS: A total of 151 of the 224 eligible infants born before 33 weeks of gestation from 1979 to 1982, and who were living in the UK, were assessed at 8 and 15 years. Items common to both assessments were compared to evaluate changes in neurodevelopmental function. The assessment included a structured neurological examination, psychometric tests using the WISC-R (in subjects born in 1981-82), a test of visuomotor integration (Beery), and a school questionnaire. RESULTS: There was a significant increase in the proportion of subjects classified as impaired with disability from 11% at 8 to 22% at 14-15 years of age. The proportion of subjects classified as impaired without disability increased from 16% at 8 to 26% at 14-15 years of age. Full scale IQ decreased from 104 to 95 fromchildhood to adolescence, and more adolescents (24%) were requiring extra educational provision than they had at the age of 8 years (15%). CONCLUSION: Results indicate that between the ages of 8 and 15 years in this cohort of very preterm survivors there is an apparent deterioration in neurodevelopmental outcome category, cognitive function, and extra educational support. It is not clear whether this represents a genuine deterioration in neurocognitive function or whether it represents the expression of pre-existing cerebral pathology in an increasingly complex environment.
机译:背景:一些研究表明,与对照组相比,学龄前非常幸存者的神经发育障碍发生率增加。目的:比较同一队列在8岁和15岁时的发现。方法:在1979年至1982年的33个孕周之前出生并居住在英国的224名合格婴儿中,共有151名在8岁和15岁进行了评估。比较两个评估共同的项目,以评估神经发育功能的变化。评估包括结构化神经学检查,使用WISC-R进行的心理测验(针对1981-82年出生的受试者),视觉运动融合测验(Beery)和学校问卷。结果:分类为残障人士的比例从14%的11%(8%)显着增加到14-15岁的22%。被分类为无残障人士的比例从14%的16%(8%)增加到14-15岁的26%。从童年到青春期,全面智商从104下降到95,并且与8岁时相比,更多的青少年(24%)需要额外的教育资源(15%)。结论:结果表明,在这组早产幸存者中,年龄介于8至15岁之间,神经发育结局类别,认知功能和额外的教育支持明显降低。目前尚不清楚这是否代表着神经认知功能的真正恶化,还是它代表着在日益复杂的环境中先前存在的脑部病理的表达。

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