ZHANG Yan-fen,JIE Li-juan,MA Jiao,et al.Children with tethered cord syndrome EMG.[J].Journal of Clinical Pediatric Surgery,2010,9(04):0.
儿童脊髓栓系综合征肌电图研究
- Title:
- Children with tethered cord syndrome EMG.
- Keywords:
- Neural Tube Defects; child
- 摘要:
- 目的 利用肌电图技术，分析探讨儿童脊髓栓系综合征相关脊髓、神经功能情况。 方法 回顾性分析98例脊髓栓系综合征患儿临床及肌电图资料，按年龄分成 ～6 个月组及 > 6个月组，于术前1～3 d，接受运动神经传导速度（MCV）、感觉神经传导速度（SCV）、F波（Fw）、H反射（Hr）、同芯针肌电图（EMG）检测。统计各检测项目和各年龄组异常发生率，并比较之间的差异。 结果 MCV检测异常率60.20%，SCV为8.16%，二者差异有显著统计学意义（x2 = 29.4918，P < 0.01），MCV、Hr、Fw、EMG异常发生率无统计学意义（x2 = 0.2842，P > 0.05）。异常形式为波幅下降，传导速度及潜伏期正常。提示神经根性病变，轴突变性。 > 6个月组异常率明显高于～6个月组（x2 = 8.4633，P < 0.01），提示随年龄增长，病程延长，异常率增升高。 结论 肌电图在了解儿童脊髓栓系综合征的病变范围，制定疾病程度和预后评估的判断标准，指导康复治疗等中具有重要意义。
- Abstract:
- Objective To analyze the changes of nerve function associated with childhood tethered cord syndrome (TCS) using electromyogram (EMG) technology. Methods The clinical and EMG datum of 98 cases with TCS were analyzed retrospectively. The patiens were divided into two groups (no more than 6 months and more than 6 months) based on age. The total patients underwent the examinations of motor nerve conduction velocity (MCV), sensory nerve conduction velocity (SCV), F wave (Fw), H reflex (Hr) and core needle electromyography (EMG) preoperatively. The abnormality rates and differences among testing items or age groups were evaluated. Results The abnormality rates of MCV (60.20%) was higher than that of SCV (8.16%) (x2 = 29.4918，P < 0.01). There was not significant difference among MCV, Hr, Fw and EMG (x2 = 0.2842，P > 0.05). The abnormal pattern characterized with low volatility, and normal conduction velocity and incubation indicated nerve root lesion and axonal degeneration. The higher abnormality rate occurred in age group with more than 6 months (x2 = 8.4633，P < 0.01). This result showed that abnormality rate increased with the advance of age and extension of disease course. Conclusions The electromyography plays an important role in assessing the extent and severity of disease, predicting prognosis, and guiding rehabilitation in patients with TCS.
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备注/Memo
天津市儿童医院（300074），1，检查中心；2，神经外科。通讯作者：张艳芬，Email：dayuniang@126.com