Lumbar Sympathetic Nerve Block
The lumbar sympathetic nerves are a small bundle of nerves that carries “sympathetic” nerve signals from the lower extremities. The nerves are located on either side of the spine in the lower back and control the pain and blood flow in the legs. A lumbar sympathetic nerve block is an injection of local anesthetic into or around the sympathetic nerves.
This procedure is performed to relieve pain from Raynaud’s phenomenon, trench foot, urogenital pain, “phantom” stump pain, post-surgical leg pain, post injury pain and complex regional pain syndrome (CRPS). Although uncommon, risks may include bleeding, infection, spinal or epidural blocks, or nerve damage.
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