论文部分内容阅读
目的定量评估感觉统合失调(SID)儿童与正常儿童间感觉神经纤维传导的差异状况。方法采用感觉电流阈值(CPT)评估法,对128例SID儿童和96例正常儿童的双侧三叉神经、正中神经和腓浅神经的感觉神经粗有髓鞘纤维(Aβ)、细有髓鞘纤维(Aδ)和无髓鞘纤维(C)进行2 000、250Hz和5Hz三种不同强度的感觉电流阈值测试。结果 1)SID儿童感觉异常情况:三叉神经的感觉异常率最高(左侧63.28%,右侧72.66%),左右两侧的三叉神经与正中神经在2 000、250Hz和5Hz三种强度下的感觉异常率差异有统计学意义(P<0.05),而腓浅神经差异无统计学意义。2)两组儿童不同部位CPT的差异:SID儿童在正中神经、腓浅神经2 000Hz、250Hz的CPT较正常儿童高,两者在2 000Hz差异有统计学意义(P<0.05)。3)感统得分与CPT的相关性:SID儿童的感统得分与不同部位2 000Hz、250Hz的CPT呈负相关(P<0.05)。结论与正常儿童相比较,SID儿童感觉神经传导功能存在异常,以粗有髓鞘纤维(Aβ)和细有髓鞘纤维(Aδ)更为明显。
Objective To quantitatively evaluate the difference of sensory nerve fiber conduction between children with sensory integration disorders (SID) and normal children. Methods Using sensory current threshold (CPT) evaluation method, the sensory nerve of the bilateral trigeminal nerve, median nerve and superficial nerve of 128 children with SID and 96 normal children were treated with crude myelinated fiber (Aβ), fine myelinated fiber (Aδ) and unmyelinated fibers (C) were tested for sensory threshold at three different intensities of 2 000, 250 Hz and 5 Hz. Results 1) Sensory abnormality in SID children: The sensory abnormality rate of the trigeminal nerve was the highest (63.28% on the left and 72.66% on the right), the sensation of the trigeminal nerve and the median nerve at the two intensities of 2000, 250Hz and 5Hz The difference of abnormal rate was statistically significant (P <0.05), while there was no significant difference in superficial peroneal nerve. 2) The difference of CPT in different parts of children: The CPT of 2 000 Hz and 250 Hz of the median nerve and the superficial peroneal nerve in SID children were higher than those in normal children. The difference was statistically significant at 2 000 Hz (P <0.05). 3) Correlation between senile score and CPT: The senile score of SID children was negatively correlated with CPT at 2 000 Hz and 250 Hz in different sites (P <0.05). Conclusion Compared with normal children, sensory nerve conduction function of SID children is abnormal, which is more obvious with thick myelinated fibers (Aβ) and fine myelinated fibers (Aδ).