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Peripherally Induced Reconditioning of the Central Nervous System: A Proposed Mechanistic Theory for Sustained Relief of Chronic Pain with Percutaneous Peripheral Nerve Stimulation
Author(s) -
Timothy R. Deer,
Sam Eldabe,
Steven Falowski,
Marc A. Huntoon,
Peter S. Staats,
Isaac R. Cassar,
Nathan D. Crosby,
Joseph W. Boggs
Publication year - 2021
Publication title -
journal of pain research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.888
H-Index - 49
ISSN - 1178-7090
DOI - 10.2147/jpr.s297091
Subject(s) - neurostimulation , medicine , neuromodulation , chronic pain , neuroscience , peripheral , peripheral nervous system , stimulation , nociception , percutaneous , anesthesia , central nervous system , surgery , physical therapy , biology , receptor
Peripheral nerve stimulation (PNS) is an effective tool for the treatment of chronic pain, although its efficacy and utilization have previously been significantly limited by technology. In recent years, purpose-built percutaneous PNS devices have been developed to overcome the limitations of conventional permanently implanted neurostimulation devices. Recent clinical evidence suggests clinically significant and sustained reductions in pain can persist well beyond the PNS treatment period, outcomes that have not previously been observed with conventional permanently implanted neurostimulation devices. This narrative review summarizes mechanistic processes that contribute to chronic pain, and the potential mechanisms by which selective large diameter afferent fiber activation may reverse these changes to induce a prolonged reduction in pain. The interplay of these mechanisms, supported by data in chronic pain states that have been effectively treated with percutaneous PNS, will also be discussed in support of a new theory of pain management in neuromodulation: Peripherally Induced Reconditioning of the Central Nervous System (CNS).

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