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Occipital nerve block is a procedure involving injection of steroids or anesthetics into regions of the greater occipital nerve and the lesser occipital nerve used to treat chronic headaches. These nerves are located in the back of the head near in the suboccipital triangle along the line between the inion and the mastoid process .
Local anesthetic is applied to the back of the neck and a Tuohy needle is advanced towards the location of the greater occipital nerve and lesser occipital nerve under fluoroscopic guidance. [8] [9] [10] When the location is confirmed, a temporary lead is placed through the needle before the needle is carefully removed.
The lesser occipital nerve is a small nerve that has additionally been found to be associated with migraine pain. This nerve is found near the sternocleidomastoid muscle and may be decompressed or divided here through a small incision. As this small nerve provides feeling for a small region of the scalp, the minimal numbness resulting from the ...
Problems with the greater occipital nerve may be a cause of cervicogenic headaches. [1] These may be referred to as occipital neuralgias. A common site, and usually misdiagnosed area of entrapment for the greater occipital nerve, is at the obliquus capitis inferior muscle. [2] These may be treated with a temporary nerve block. [1]
Greater occipital nerve (GON) block comprising 40 mg Depomedrone and 10 mls of 1% Lignocaine injected into the affected nerve is effective, up to a period of approximately three months. Changing the 'cocktail' to include (for example) 10 mls of .5% Marcaine and changing to 2% Lignocaine, whilst in theory should increase the longevity, renders ...
Botulinum Toxin A injection has emerged as a treatment with a conceptually lower side effect profile than many other techniques described here, with most recent trials demonstrating 50% or more improvement. [1] It remains a common practice to utilize a landmark-only approach when performing greater and lesser occipital nerve blocks.
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.
Minimally invasive procedures as; bilateral greater occipital nerve block [15] or sphenopalatine ganglion block. [16] Persistent and severe PDPH may require an epidural blood patch. A small amount of the person's blood is injected into the epidural space near the site of the original puncture; the resulting blood clot then "patches" the ...