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目的 探讨甲状腺功能亢进性周期性瘫痪 (TPP)与非TPP的临床及肌电图特点。方法 将 2 7例周期性瘫痪 (PP)病人分成TPP及非TPP两组 ,并比较两组病人的诱发因素、近端肌力、血钾以及肌电图。结果 TPP组发病无明确诱发因素较非TPP多 (P <0 .0 5 ) ;肌电图异常者在TPP较非TPP多 (P <0 .0 1) ;TPP和非TPP累及近端肌群及低血钾发生率相近 (P >0 .0 5 )。结论 肌电图在鉴别TPP和非TPP上有重要价值 ;PP病人应常规作肌电图及甲状腺功能检查 ,以确定是否有TPP存在。
Objective To investigate the clinical and electromyographic features of hyperthyroidism with periodic paralysis (TPP) and non-TPP. Methods Twenty-seven patients with periodic paralysis (PP) were divided into two groups: TPP and non-TPP. The inducing factors, proximal muscle strength, serum potassium and EMG were compared between the two groups. Results TPP group had no obvious predisposing factors compared with non-TPP group (P <0.05); electromyogram abnormalities were more in TPP than non-TPP group (P <0.01); TPP and non-TPP group affected proximal muscle group And hypokalemia incidence was similar (P> 0.05). Conclusion Electromyography has important value in distinguishing between TPP and non-TPP; PP patients should routinely make electromyography and thyroid function tests to determine whether there is TPP.