Objective To investigate the effects of electrical spinal cord stimulation on cardiac ischemia area induced by cardiac ischemia reperfusion injury.Methods A total of 36 healthy male adult SD rats were randomly divided into 3 groups(control group,cardiac ischemia group and cardiac ischemia + spinal cord stimulation group).The expression of substance P in central nervous system and the cardiac ischemic area of the latter two groups were observed and compared statistically.Results Compared with the control gro...