A lumbar sympathetic block typically involves a series of injections to relieve leg pain (sciatica) caused by complex regional pain syndromes, usually after injury to a joint or limb.

腰交感神经阻滞术通常涉及用一系列的注射来缓解由复杂性局灶性疼痛综合征引起的腿部疼痛(坐骨神经痛)。此综合征往发生在关节或肢体受伤后。

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The simple therapy has proven useful with other syndromes that have perplexed doctors such as Complex Regional Pain Syndrome, a term for unexplained pain.

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