Please let me know the recent advances in the management of facial nerve injury (trigeminal neuralgia), when the medical line of treatment failure. She is a known case of Diabetes Mellitus, Hypertension, Ischemic Heart Disease, Hypothyroidism.

Once had pulmonary embolism and treated, Obstructive apnoea,Vascular insufficiency. Pls let me know non-invasive technique for this case.