腰神经前根主要是躯体神经和一些自主神经（交感神经和副交感神经）混合而成的传出神经，其中一条在此手术中用作供体。

The lumbar ventral spinal roots, one of which is used in this procedure as donor, are mixed nerves with predominant somatic and some autonomic (sympathetic and parasympathetic) outflow.

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研究设计：研究L5神经根受挤压伤后接受和不接受交感神经切除术时背根神经节（DRG）的疼痛表现和神经细胞的凋亡情况。

Study Design. An analysis of pain behavior and neuronal apoptosis in the dorsal root ganglion (DRG) following crush injury to the L5 nerve root, with or without surgical sympathectomy.

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背景资料总结：交感神经阻滞已被用于减轻神经根痛症状。

Summary of Background Data. Sympathetic block is used to relieve symptoms in radiculopathy patients.

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