Neuromodulation : journal of the International Neuromodulation Society
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Deep brain stimulation of the internal Globus Pallidus (GPi DBS) delivered by an implantable neurostimulator (INS) is an established, effective, and safe treatment option for patients with medically refractory primary dystonia. Compared to other DBS targets, the battery life of the INS is substantially shorter due to the higher energy demands required to penetrate the GPi resulting in faster battery depletion and more frequent hospitalizations for INS replacement. We, therefore, performed a cost analysis to compare a rechargeable DBS system, Activa®RC, with nonrechargeable systems, from the perspective of the French public health insurer. ⋯ The adoption of a rechargeable instead of a nonrechargeable INS for eligible patients with dystonia may provide substantial savings to the public health insurer in France.
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Immobilization of weight bearing skeletons or microgravity results in disuse osteoporosis in both human and animals. Our previous study demonstrated that electrical stimulation at the dorsal root ganglion (DRG) with an implantable micro-electrical stimulation system (IMESS) could trigger secretion of bone anabolic calcitonin gene-related peptide (CGRP) and prevent bone loss in a short-term hindlimb unloading rat model. This study was designed to further investigate whether electrical stimulation to the DRG could prevent bone loss due to prolonged unloading. ⋯ This experimental study proved the proposed concept using electrical stimulation at the DRG for prevention of disuse-induced bone loss in a rat hindlimb suspension model.
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The aim of this study is to better understand perspectives of patients with persistent postoperative neuropathic pain (PPNP) and assess perceptions of the ethical issues surrounding their structural spinal surgeon also performing spinal cord stimulation (SCS). ⋯ This is the first clinical qualitative study of values and ethical perceptions of patients with medically refractory PPNP. Our findings provide a framework for understanding the values of patients with PPNP and demonstrate that a strong surgeon-patient relationship can ameliorate concerns surrounding PPNP and SCS implantation.
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The safety, painless, and tolerability features of transcranial Direct Current Stimulation (tDCS) have prompted the research on the therapeutic effects of this technique in stroke; however, an in-depth and unarguable examination of the adverse effects of tDCS in stroke patients is still lacking. This review analyzes the reported adverse effects in stroke, looking for factors that may induce side-effects. ⋯ In the majority of stroke patients, tDCS did not induce any severe adverse effect. Regrettably, many published papers did not provide a careful description of exclusion criteria, nor a systematic report of side effects. Our work emphasizes the need of a more meticulous description of the adopted exclusion criteria and of the induced adverse effects, in order to optimize the therapeutic use of tDCS and to better delineate its safety parameters in stroke.
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Electrical stimulation via implanted electrodes that overlie the cortex of the brain is an upcoming neurosurgical technique that was hindered for a long time by insufficient knowledge of how the brain functions in a dynamic, physiological, and pathological way, as well as by technological limitations of the implantable stimulation devices. ⋯ In conclusion, cortex stimulation is a nascent but very promising approach to treating a variety of diseases, but requires further technological development for predicting outcomes, such as network science based functional connectivity approaches, genetic analyses, development of navigated transcranial electrical stimulation, and development of pseudorandom stimulation designs for preventing habituation.