Sixty-four percent of the neurons in the injured DRG responded to sympathetic stimulation, and this response was blocked by intravenously injection of BTXA.

• 64%25的受损DRG神经元对腰交感神经干电刺激有反应，交感刺激对受损DRG的这种作用可被静脉注射BTXA所阻断。结论BTXA对慢性压迫DRG神经元的自发放电无影响。