Abstract
Increasing evidence demonstrates that electric stimulation has anticonvulsant effects. The present study was undertaken to investigate the effects of mild foot electrical stimulation (MFES) on the development of pentylenetetrazol (PTZ) kindling and compare its effectiveness with the more commonly used treatment, phenytoin. Kindling was induced in rats by repeated injections (every 24h) of PTZ (37.5mg/kg). The rats were subjected to either MFES (0.2mA in intensity for a 160ms duration with a 160ms interval for 20min) or phenytoin (30mg/kg) before PTZ injections. Following this treatment, rats received MFES every other day for 10days or 26days after establishment of PTZ kindling. The data showed that MFES significantly inhibited development of chemical kindling induced by PTZ in rats (p = 0.001, as compared to PTZ-treated animals). This inhibitory effect is comparable with the effect of 30mg/kg doses of phenytoin (P = 0.99, as compared to phenytoin group). However, 10days or 26days durations of MFES had no effect on established kindled seizures (P = 0.58 as compared to PTZ-treated animals). Our data demonstrate that although MFES significantly inhibited the development of chemical kindling, this experimental paradigm had no effect on established kindled seizures.
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