Table 5.

Complications associated with interventional treatment modalities for TN.

Procedure	Reported complications
Microvascular decompression	Cerebellar injury, eighth nerve injury and CSF leak
Radiofrequency gangliolysis	Dysaesthesia, corneal anaesthesia meningitis, carotid-cavernous fistula, intracranial haemorrhage, cranial nerve deficits
Glycerol gangliolysis	Meningitis, dysaesthesia, cranial nerve palsies, local haematomas, activation of herpes labialis, permanent masseter weakness, keratitis
Ballon compression	Dysaesthesia and masseter muscle weakness
Stereotactic radiosurgery	Facial paraesthesia
Peripheral neurectomy	Eye problems, dysaesthesia
Cryotherapy	Post-operative local infection, frank dysaesthesia
Alcohol block	Dysaesthesia, facial nerve palsy, loss of vision, cutaneous necrosis, development of bony sequestrum, diplopia
Local laser irradiation and laser puncture	None reported
Electroacupuncture	None reported