Neuromodulation : journal of the International Neuromodulation Society
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Spinal cord stimulators (SCS) are increasingly placed in the United States in both the inpatient and outpatient setting. Although these interventions appear to be safe, the characteristics of the patients selected for ambulatory procedures have not been investigated. ⋯ Access to ambulatory SCS placement appears to be more common for Caucasians, male patients, with private insurance, and fewer comorbidities, in the setting of higher volume hospitals. Further investigation is needed in the direction of mapping these disparities for appropriate resource utilization.
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The study aims to determine the functionality of a wireless-controlled implantable stimulator designed for stimulation and block of the pudendal nerve. ⋯ The wireless-controlled implantable stimulator successfully generated the required waveforms for stimulation and block of pudendal nerve, which will be useful for restoring bladder functions after spinal cord injury.
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Ziconotide is often administered in combination with other analgesics via an intrathecal pump. Studies have established that ziconotide is stable when delivered alone in high concentrations. No stability data are available, however, for ziconotide given in low concentrations and/or with other analgesics as usually occurs in clinical oncology practice. The objective of this study was to assess the in vitro stability of ziconotide alone and combined with other analgesics in intrathecal pumps at 37 °C, as well as in syringes at 5 °C, to evaluate conditions for storing and transporting preparations. ⋯ At the low ziconotide concentrations studied, the degradation of ziconotide admixed with other drugs was linear and only weakly influenced by the baseline concentration. Linear regression with intrapolation to 30 days showed that the degradation of ziconotide admixed with other drugs was consistent with previously published data.
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Letter Biography Historical Article
Krishna Kumar, MD, neuromodulation and immortality.