Characterisation of brain microstructural alterations in children with obstructive sleep apnea syndrome using diffusion kurtosis imaging

被引:3
|
作者
Li, Yanhua [1 ]
Wen, Hongwei [2 ,3 ]
Li, Hongbin [4 ]
Peng, Yun [1 ]
Tai, Jun [5 ]
Bai, Jie [1 ]
Mei, Lin [4 ]
Ji, Tingting [4 ]
Li, Xiaodan [4 ]
Liu, Yue [1 ]
Ni, Xin [4 ]
机构
[1] Capital Med Univ, Beijing Childrens Hosp, Dept Radiol, Natl Ctr Childrens Hlth, Beijing, Peoples R China
[2] Southwest Univ, Fac Psychol, Chongqing, Peoples R China
[3] Minist Educ, Key Lab Cognit & Personal, Chongqing, Peoples R China
[4] Capital Med Univ, Beijing Childrens Hosp, Dept Otolaryngol Head & Neck Surg, Natl Ctr Childrens Hlth, Beijing, Peoples R China
[5] Capital Inst Pediat, Dept Otolaryngol Head & Neck Surg, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
children; diffusion kurtosis imaging; kurtosis fractional anisotropy; obstructive sleep apnea; white matter; STRUCTURAL-CHANGES; TENSOR MRI; TRACTOGRAPHY; ATLAS; ABNORMALITIES; ARCHITECTURE; IMPAIRMENT; FASCICULUS; INTEGRITY; SEVERITY;
D O I
10.1111/jsr.13710
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Obstructive sleep apnea (OSA) is a common chronic sleep-related breathing disorder in children. Previous studies showed widespread alterations in white matter (WM) in children with OSA mainly by using diffusion tensor imaging (DTI), while diffusional kurtosis imaging (DKI) extended DTI and exhibited improved sensitivity in detecting developmental and pathological changes in neural tissues. Therefore, we conducted whole-brain DTI and DKI analyses and compared the differences in kurtosis and diffusion parameters within the skeleton between 41 children with OSA and 32 healthy children. Between-group differences were evaluated by tract-based spatial statistics (TBSS) analysis (p < 0.05, TFCE corrected), and partial correlations between DKI metrics and sleep parameters were assessed considering age and gender as covariates. Compared with the controls, children with OSA showed significantly decreased kurtosis fractional anisotropy (KFA) mainly in white matter regions with a complex fibre arrangement including the posterior corona radiate (PCR), superior longitudinal fasciculus (SLF), and inferior fronto-occipital fasciculus (IFOF), while decreased FA in white matter regions with a coherent fibre arrangement including the posterior limb of internal capsule (PLIC), anterior thalamic radiation (ATR), and corpus callosum (CC). Notably, the receiver operating characteristic (ROC) curve analysis demonstrated the KFA value in complex tissue regions significantly (p < 0.001) differentiated children with OSA from the controls. In addition, the KFA value in the left PCR, SLF, and IFOF showed significant partial correlations to the sleep parameters for children with OSA. Combining DKI derived kurtosis and diffusion parameters can provide complementary neuroimaging biomarkers for assessing white matter alterations, and reveal pathological changes and monitor disease progression in paediatric OSA.
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页数:11
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