在中度中毒儿童的血水平下降和认知变化
H A Ruff1, P E Bijur, M Markowitz
1Department of Pediatrics, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY.
JAMA
|April 7, 1993
概括
在中度中毒的儿童中降低血水平与随着时间的推移改善认知功能有关. 这项研究发现,随着血水平的下降,认知得分增加,这表明有有益的关联.
科学领域:
- 儿科 环境卫生 儿童 环境卫生
- 神经发育毒理学 神经发育毒理学
- 公共卫生干预措施 公共卫生干预措施
背景情况:
- 中毒仍然是儿童的重大公共卫生问题.
- 认知缺陷是暴露的已知后果之一.
- 了解降干预措施对认知结果的影响至关重要.
研究的目的:
- 调查化疗与降低干预期间生化变化和儿童认知功能之间的关联.
- 为了测试认知表现随着血水平的下降而改善的假设.
主要方法:
- 一项短期干预研究,涉及154名儿童 (13-87个月),中度中毒 (血含量为1.21-2.66mmol/L).
- 干预措施包括EDTA和铁补充剂,以及住房减排.
- 在干预前后使用贝利心理发展量表或斯坦福-比内特智力量表来评估认知功能.
主要成果:
- 仅仅治疗EDETATE二酸,在短期内没有显著的效果.
- 血液中水平的短期 (7周) 变化与认知得分变化没有相关性.
- 认知评分的长期 (6 个月) 改善与血水平的下降显著相关 (每0.14mmol/L的下降增加1个点).
结论:
- 血水平的降低与中度中毒儿童的认知能力改善有关.
- 这些发现支持了降干预措施对神经发育恢复的重要性.
- 长期跟踪对于观察干预措施对认知功能的全部影响至关重要.
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