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The pudendal block gets its name because a local anesthetic, such as lidocaine or chloroprocaine, is injected into the pudendal canal where the pudendal nerve is located. The pudendal nerve branches off of the sacral plexus and is both a sensory and motor nerve. [2] The pudendal nerve provides sensation information (i.e. innervates) for the ...
The pudendal nerve is the main nerve of the perineum. [1]: 274 It is a mixed (motor and sensory) nerve and also conveys sympathetic autonomic fibers.It carries sensation from the external genitalia of both sexes and the skin around the anus and perineum, as well as the motor supply to various pelvic muscles, including the male or female external urethral sphincter and the external anal sphincter.
Illustration of imaging from a CT-guided nerve block. The needle tip has been placed at the top of the pudendal canal to block the pudendal nerve. Diagnostic nerve blocks are very effective for identifying sensory entrapment points. Their strength is that they can directly measure whether a given nerve is contributing pain, or not.
Once I researched the terms "pudendal nerve" and "pudendal neuralgia"—a chronic neurological pelvic pain condition that arises from injury to the pudendal nerve—I was positive that was what I had.
As discussed previously, pudendal nerve block is used as a diagnostic test for pudendal nerve entrapment. If the pain is relieved, this could mean that the origin of the pain is the pudendal nerve. However, pudendal nerve blocks are sometimes used as a long-term treatment, rather than as a one-time diagnostic test.
Nerve block or regional nerve blockade is any deliberate interruption of signals traveling along a nerve, often for the purpose of pain relief. Local anesthetic nerve block (sometimes referred to as simply "nerve block") is a short-term block, usually lasting hours or days, involving the injection of an anesthetic, a corticosteroid, and other agents onto or near a nerve.
Pudendal nerve entrapment. (PNE), also known as Alcock canal syndrome, is an uncommon source of chronic pain in which the pudendal nerve (located in the pelvis) is entrapped or compressed in Alcock's canal. Abdominal. Loin pain hematuria syndrome. Proctitis—infection or inflammation of the anus or rectum. Colitis—infection or inflammation ...
A nerve decompression is a neurosurgical procedure to relieve chronic, direct pressure on a nerve to treat nerve entrapment, a pain syndrome characterized by severe chronic pain and muscle weakness. In this way a nerve decompression targets the underlying pathophysiology of the syndrome and is considered a first-line surgical treatment option ...