[Recovery process after the diphtheric polyneuropathy according to interference electromyography]

In order to control the recovery process after diphtheric polyneuropathy the dynamics of activity of m.flexor carpi radialis with increasing force was repetitively investigated in 12 patients using surface electromyography (EMG). In patients examined 12.4 +/- 2.9 months after the onset of diphtheria neurogenic type of EMG (decreased amplitude and number of turns along with increasing force) was established. 11-14 months later clinical improvement followed by positive changes of EMG parameters was documented.