Objective To study the effect of botulinum toxin type A (BTXA) on spontaneous discharge and sympathetic-sensory coupling in chronically compressed dorsal root ganglion (DRG) neurons in rats.

• 摘要目的研究A型肉毒毒素(BTXA)对慢性压迫背根节(DRG)神经元（慢性神经痛模型）的自发放电和交感-感觉耦联的影响。