Neuromodulation : journal of the International Neuromodulation Society
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Although burst spinal cord stimulation (SCS) has been reported to reduce neuropathic pain, no study has explicitly investigated how the different parameters that define burst SCS may modulate its efficacy. The effectiveness of burst SCS to reduce neuronal responses to noxious stimuli by altering stimulation parameters was evaluated in a rat model of cervical radiculopathy. ⋯ Burst SCS can be optimized by adjusting relevant stimulation parameters to modulate the charge delivered to the spinal cord during stimulation. The efficacy of burst SCS is dependent on the charge per burst.
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Sacral neuromodulation has been considered as an effective treatment option for various types of chronic voiding dysfunction, but the mechanism of action has not been well understood. The aim of this study was to evaluate the effect of chronic sacral neuromodulation on isolated bladder functions in a rat model of spinal cord injury. ⋯ In our rat model of SCT, SNM seemed to alter adrenergic receptor function in the urinary bladder. Further studies are required to clarify the mechanism of these alterations at the level of bladder receptors following sacral neuromodulation.
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Spinal cord stimulation and dorsal column stimulation have been used successfully in the management of visceral pain for many years. A novel technique of ventral column stimulation has been used in our institute with good outcomes since 2007. We describe a retrospective series of 26 patients with visceral neuropathic pain who were treated with neuromodulation. ⋯ There is a need to further investigate the use of ventral stimulation for visceral pain syndromes. This would need multicenter trials to collect adequate numbers of patients to allow hypothesis testing to underpin recommendations for future evidence-based therapies.
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Case Reports
Treatment of severe tetanus with intrathecal baclofen via implantable infusion device: a case report.
Severe tetanus remains a serious issue in less developed countries, leading to prolonged hospitalization due to prolonged neuromuscular contraction of muscles. We present a case of severe tetanus in the United States that was successfully managed with intrathecal baclofen. ⋯ Due to prolonged muscle weakness associated with long-term use of paralytic agents and sedation, early ITB trial and pump placement should be considered as an alternative in the treatment of severe tetanus to shorten length of stay and improve the functional outcome of the patient.
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We examined the efficacy of peripheral nerve stimulation (PNS) in treating neuropathic and causalgic pain, with a stimulation system specifically designated for PNS itself. ⋯ Our study results confirm that PNS is an effective modality in managing severe neuropathic and intractable pain following multiple joint surgeries that are complicated by causalgic pain.