A stimulating electrode was placed around the HN loosely and connected stimulator in HNS group and PTC+HNS group.

• 观察比较PTC+HNS组与PTC组癫痫发作的潜伏期、严重性及脑电图痫波出现的潜伏期、痫波频率的变化。 观察比较HNS组与NC组血压及脑电图变化以观察神经刺激的负作用。