Abstract
This is a retrospective case series of five patients with intractable trigeminal autonomic cephalalgia (TAC) who were implanted with a supraorbital/supratrochlear neuromodulation system. The aim of this Institutional Review Board-approved study was to investigate the percentage of pain relief, treatment response, pain level, work status, medication intake, implantation technique, lead placement, programming information, and device use. Trial stimulation led to implantation of all five patients. All patients reported improvement in their functional status in regard to activities of daily living. The device was revised in two patients due to skin erosion. It was later reimplanted in both patients due to worsening of symptoms, again with good pain relief. The device was explanted in two other patients because of the need to perform a magnetic resonance imaging or implant an automatic implantable cardioverter defibrillator. The follow-up of the patients ranged between 18 months and 36 months, with a mean of 25.2 months. There was no change in work status. Following the implant, the Visual Analog Scale score was reduced to a mean of 1.6 from an initial mean score of 8.9. Three patients were completely weaned off opioid medications, while two patients continued to take opioid at a lower dosage. All patients experienced a decrease of the adjuvant neuropathic drugs. Supraorbital/supratrochlear nerve stimulation appears to be a promising modality for the treatment of patients with intractable TAC.
Published Version
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