T1 神经根切断术治疗中枢性手屈曲痉挛

Central limb spasticity is a common complication after central nervous system injury, in which hand flexion spasticity often leads to the loss of the patient’s ability to move. Reducing muscle tone and relieving spasticity are the prerequisites for restoring limb function. This consensus summarizes the etiology, symptoms, functional assessment of central hand flexion spasticity, and surgical indications for T1 rhizotomy, surgical principles and procedures, and rehabilitation program.

• 1
  T1 神经根切断术是近年提出的一种有效缓解中枢性手屈曲痉挛的新术式.
• 2
  T1 在大脑皮质控制手运动功能的区域所占据的面积应较C 8 大，故当大脑皮质广泛损伤后，脊髓 T1 节段前角γ 运动神经元的兴奋性反应性增强应该较C8 节段更显著，其在屈指痉挛中的作用也更大，因此T1 切断抑制γ-环路的兴奋性较C8 切断更有效.
• 3
  T1 神经根切断术对于痉挛引起的非运动功能改善也具有重要意义。