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Percutaneous direct current stimulation – a new electroceutical solution for severe neurological pain and soft tissue injuries

Authors Molsberger A, McCaig CD

Received 22 January 2018

Accepted for publication 29 March 2018

Published 14 June 2018 Volume 2018:11 Pages 205—214

DOI https://doi.org/10.2147/MDER.S163368

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 3

Editor who approved publication: Dr Scott Fraser

Albrecht Molsberger,1,2,* Colin D McCaig3,*

1Department of Orthopedics, Ruhr-University Bochum, Bochum, Germany; 2Clinic for Orthopedics and Pain Treatment, Düsseldorf, Germany; 3Institute of Medical Sciences, University of Aberdeen, Aberdeen, Scotland

*These authors contributed equally to this work

Abstract: There is a high medical need to improve the effectiveness of the treatment of pain and traumatic soft tissue injuries. In this context, electrostimulating devices have been used with only sporadic success. There is also much evidence of endogenous electrical signals that play key roles in regulating the development and regeneration of many tissues. Transepithelial potential gradients are one source of the direct current (DC) electrical signals that stimulate and guide the migration of inflammatory cells, epithelial cells, fibroblasts and mesenchymal stem cells to achieve effective wound healing. Up to now, this electrophysiological knowledge has not been adequately translated into a clinical treatment. Here, we present a mobile, handheld electroceutical smart device based on a microcontroller, an analog front end and a battery, which generates DC electric fields (EFs), mimicking and modulating the patient’s own physiological electrical signals. The electrical stimulation is applied to percutaneous metal probes, which are located close to the inflamed or injured tissue of the patient. The treatment can be used in an ambulatory or stationary environment. It shows unexpectedly, highly effective treatment for certain severe neurological pain conditions, as well as traumatic soft tissue injuries (muscle/ligament ruptures, joint sprains). Without EF intervention, these conditions, respectively, are either virtually incurable or take several months to heal. We present three cases – severe chronic cluster headache, acute massive muscle rupture of the rectus femoris and an acute ankle sprain with a ruptured anterior talofibular ligament – to demonstrate clinical effectiveness and discuss the fundamental differences between mimicking DC simulation and conventional transcutaneous electric nerve stimulation (TENS) or TENS-like implanted devices as used for peripheral nerve cord, spinal cord or dorsal root stimulation.

Keywords: electroceutical device, tissue regeneration, pain, direct current stimulation, electric field
 

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