Conclusions The new procedure can improve blood supply to the injured nerve and provide a favorable channel for regenerated nerve fibers.It is a new strategy for treatment of causalgia.

• 结论该法有利于改善损伤段神经的血运，提供适宜新生神经纤维生长的通道，是一个治疗灼性神经痛的可供选择的新术式。