02/10/2019
SPHENOPALATINE GANGLION BLOCK (SPG)
This is a ganglion,a bunch of nerves, present behind our cheek bone adjacent to the nasal bone and controls the pain of almost the whole of the head and neck region.
In cases of chronic non remitting headaches this becomes the site of target for further management when the patient and doctor both are frustrated with the poor relief provided by the medicine. Especially in the following ailments which generally are described non scientifically as headache.
Cluster headache
Migraine
Trigeminal neuralgia
Post herpetic neuralgia (PHN)
Paroxysmal hemicrania
Cancer of the head or neck
Facial pain that is atypical
Complex regional pain syndrome (CRPS)
Temporomandibular disorder
Nasal contact point headache
Vasomotor rhinitis
This procedure is a boon for the chronic migraine patients who are on pregnant and the medicines they are taking may jeopardize the health of their unborn baby,
This procedure is done in an awake patient, lying head up, with x ray support. Patient only feels the pain of a single needle prick that is used to give local anesthesia ( numbing the area where procedure is to be done). A specialized needle is then guided to the exact location of the nerve bunch behind the nose under observation.
After the pain Physician is sure about the RIGHT placement of the needle, a larger amount of energy is passed through the needle and Pain Carrying capacity of the nerve is reduced.
Side effects of the procedure are not many but does include partial relief, local hematoma and bruise, paraesthesia,
Patient needs to be fasting for at least 4 hours prior to the procedure and avoid the last pain killer so that pain relief could be judged at the best.
Live pain free.