Results Except that 2 patients died of pulmonary infection,the rest 19 patients all made a recovery on their symptoms such as symmetrical flaccid paralysis,respiratory failure and bulbar paralysis.

• 结果21例中19例患者症状如四肢对称弛缓性瘫痪、呼吸肌麻痹、球麻痹等均得到恢复,2例因严重肺部感染死亡。连续治疗疗效明显高于间隔式治疗及延迟治疗。