婴儿和自闭症诊断中的扩大周血管空间,脑脊液体积和以后的睡眠问题
Dea Garic1,2, Robert C McKinstry3, Joshua Rutsohn4
1Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill.
JAMA network open
|December 19, 2023
概括
扩大的周血管空间 (PVS) 在后来发展为自闭症的婴儿中更为常见. 这一发现表明,在早期自闭症发育过程中,可能存在淋巴系统功能障碍,与脑脊髓液体体积和睡眠问题有关.
科学领域:
- 神经科学是一个神经科学.
- 发展生物学 发展生物学
- 儿科 儿科 儿科
背景情况:
- 周血管空间 (PVS) 和脑脊液 (CSF) 对于大脑的平衡和通过淋巴系统清除废物至关重要.
- 在神经系统疾病和自闭症谱系障碍 (ASD) 中观察到扩大的PVS和过度的CSF体积.
- 关于自闭症和CSF体积的婴儿期PVS的长度研究有限.
研究的目的:
- 调查与对照组相比,在患有自闭症的婴儿中扩大PVS的患病率.
- 评估扩大PVS,外轴性CSF (EA-CSF) 体积轨迹和儿童睡眠问题之间的关联.
主要方法:
- 使用婴儿大脑成像研究 (IBIS) 数据进行的前性纵向队列研究.
- 6,12和24个月的磁共振成像 (MRI) 扫描;7-12岁的睡眠问卷.
- 分析了311名婴儿 (47名自闭症患者,180名高风险对照,84名低风险对照).
主要成果:
- 后来被诊断为自闭症的婴儿在24个月后 (44.7%) 与高风险对照组 (26.7%) 和低风险对照组 (26.2%) 相比,患有扩大PVS的患病率更高.
- 24个月后增加的PVS与6-24个月后增加的EA-CSF数量相关 (β=4.64,P=.002).
- 扩大的PVS与学龄儿童更频繁的夜间清醒有关 (η2=0.08,P=.006).
结论:
- 在患有自闭症的婴儿中,扩大的PVS似乎在12至24个月之间出现.
- 这些发现支持了早期自闭症发育过程中淋巴系统调节失调的假设.
- 淋巴系统功能障碍,由扩大的PVS表明,可能与患有自闭症的婴儿中CSF体积过大和睡眠障碍有关.
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