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Lummbar Sympathetic Block

A lumbar sympathetic nerve block involves injecting an anesthetic agent onto the sympathetic ganglion, which is located along the lumbar spine. This block interrupts signals form the sympathetic nervous system (SNS) to produce pain relief.


Complex regional pain syndrome (CRPS) Phantom limb pain Neuropathy Raynaud’s syndrome Arterial insufficiency of the legs Postherpetic neuralgia Cancer pain Ischemic pain
The lumbar nerve block is useful for dealing with hard to treat pain syndromes. The target of this block is the sympathetic chain and nerve bundle located near the vertebral bodies of the lumbar spine. The most common site of injection is adjacent to the 2nd lumbar vertebra. Sympathetic nerve blocks can be diagnostic, prognostic, or therapeutic: . Diagnostic - To determine if the sympathetic nervous system is the cause of pain. . Prognostic - To determine if a neurolytic (nerve-destroying) agent or procedure would help. . Therapeutic - To provide pain relief for a variety of painful conditions.
This block has many benefits, such as: . It is a minimally invasive technique, which is an alternative to surgery. . It offers immediate pain relief, which allows the patient to participate in physical activity and daily functions. . It is a useful technique for diagnosing a specific type of pain. . It is useful for establishing further treatment measures.
The clinical research evidence supporting the use of this block is substantial. In a 2008 literature review, the researchers noted a strong recommendation with moderate quality evidence supporting the use of this nerve block. Recent clinical studies show that the block has a success rate of around 80%, which applies to CRPS, neuropathy, and other conditions.
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