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目的 探讨氟对机体肌电生理活动的影响。方法 采用对照研究的方法 ,分析两者间的关联。结果 发现氟接触者较非氟接触者症状、体征明显增多。且以四肢关节痛、末梢感觉异常为主 (P <0 0 1) ;骨胳X线表现以骨密度增高、骨周改变、膜反应为主 ,且显著高于非氟接触者 (P <0 0 1) ;肌电图神经传导速度减慢 ,上、下肢体感觉诱发电位潜伏期延长 (P <0 0 1)。结论 认为职业性氟接触者除骨胳X线的异常表现外 ,神经肌电生理活动亦发生改变
Objective To investigate the effect of fluoride on the myoelectric activity of the body. Methods The method of comparative study was used to analyze the relationship between the two. The results showed that fluorine contact than non-fluoride contact symptoms, signs increased significantly. (P <0.01). X-ray findings showed bone mineral density increased, peri-osseous changes and membrane reaction were dominant, and were significantly higher than non-fluoride contact patients (P <0 0) 0 1). The EMG nerve conduction velocity slowed down and the latency of upper and lower body sensory evoked potential prolonged (P <0.01). The conclusion is that occupational fluoride exposure in addition to the abnormal performance of bone X-ray, the neuromuscular electrophysiological activity also changed