In the EA group , based on routine western treatment , rehabilitation training and common acupuncture , Tianshu ( ST 25 ) and Zusanli ( ST 36 ) were selected and connected to SDZ-V Hwato brand electric acupuncture apparatus respectively , given stimulation of dense-disperse wave ( 10 Hz/50 Hz ) with electric current of 0.1 to 1.0 mA , once every day and 5 times a week in the first 2 weeks , 2 times a week in the latter 2 weeks .