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  • Improved ONS Efficacy and Increased Pain Relief in Occipital Neuralgia with Burst Stimulation: Two Cases.

    Final Number:

    Erika A. Petersen MD

    Study Design:
    Clinical Trial

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2017 Annual Meeting

    Introduction: Occipital Nerve Stimulation (ONS) is an effective treatment for refractory Occipital neuralgia (ON). Traditionally ONS delivers low frequency stimulation with a fixed pulse width--usually 300-500 µsec--and frequency between 30-60 Hz. While new paradigms for spinal cord stimulation (SCS) including high frequency and burst stimulation have been introduced over the past several years, these stimulation techniques have not been investigated extensively in ONS.

    Methods: We describe the use of burst stimulation in two patients previously implanted with ONS and receiving moderately effective conventional ONS. Stimulation parameters, VAS scores, medication use, and pain diary entries were tracked over an eight-week interval. After stimulation paradigm adjustments, parameters were tracked from baseline measurements during conventional stimulation, through a washout period and two separate phases of burst stimulation.

    Results: VAS score prior to ONS implantation were 8-9. Scores fluctuated after implantation, ranging from 4 to 9. During baseline diary, VAS was 7-8. After burst stimulation activation, VAS for Patient A was consistently 3-4 (overall reduction of over 50%) and for Patient B 4-6 (just under 50%). Medication use decreased, and Patient A discontinued all opioid medications by the end of the trial period. Patient satisfaction attained at its highest point since ONS implantation at the conclusion of the eight-week trial period.

    Conclusions: Burst stimulation has been effective for spinal cord stimulation and there has been a “salvage” utility in implementing burst stimulation for patients with suboptimal results using convention stimulation to address back and leg pain. The significant decrease in VAS in these cases of refractory occipital neuralgia suggests that a similar benefit may be attainable in using burst stimulation in ONS. A larger prospective investigation of burst stimulation for ON and other craniocervical pain syndromes may be warranted. Furthermore, a more detailed investigation should be undertaken into the optimal waveforms to accomplish most effective pain control.

    Patient Care: May provide impetus for a larger prospective, randomized trial of Burst stimulation versus conventional stimulation in ON.

    Learning Objectives: 1) Review the indications for ONS for chronic head pain syndromes 2) Describe the differences between conventional and burst stimulation in their application to ONS 3) Review the interventional treatment options for refractory occipital neuralgia and other head pain syndromes

    References: Sweet JA, Mitchell LS, Narouze S, Sharan AD, Falowski SM, Schwalb JM, Machado A, Rosenow JM, Petersen EA, Hayek SM, Arle JE, Pilitsis JG. Occipital Nerve Stimulation for the Treatment of Patients With Medically Refractory Occipital Neuralgia: Congress of Neurological Surgeons Systematic Review and Evidence-Based Guideline. Neurosurgery 2015;77(3):332-41. Courtney P, Espinet A, Mitchell B, Russo M, Muir A, Verrills P, Davis K. Improved Pain Relief With Burst Spinal Cord Stimulation for Two Weeks in Patients Using Tonic Stimulation: Results From a Small Clinical Study.

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