Cited by 83Transcranial Magnetic Stimulation StudiesPain Management and TreatmentPain Mechanisms and Treatments

The effects of transcranial direct current stimulation with visual illusion in neuropathic pain due to spinal cord injury: An evoked potentials and quantitative thermal testing study

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Kumru, H., Soler, D., Vidal, J., Navarro, X., Tormos, J.M., Pascual‐Leone, A., Valls‐Sole, J.·2013·European Journal of Pain

Abstract

Background: Neuropathic pain (NP) is common in spinal cord injury (SCI) patients. One of its manifestations is a lowering of pain perception threshold in quantitative thermal testing (QTT) in dermatomes rostral to the injury level. Transcranial direct current stimulation (tDCS) combined with visual illusion (VI) improves pain in SCI patients. We studied whether pain relief with tDCS + VI intervention is accompanied by a change in contact heat‐ evoked potentials (CHEPs) or in QTT. Methods: We examined 18 patients with SCI and NP before and after 2 weeks of daily tDCS + VI intervention. Twenty SCI patients without NP and 14 healthy subjects served as controls. We assessed NP intensity using a numerical rating scale (NRS) and determined heat and pain thresholds with thermal probes. CHEPs were recorded to stimuli applied at C4 level, and subjects rated their perception of evoked pain using NRS during CHEPs. Results: Thirteen patients reported a mean decrease of 50% in the NRS for NP after tDCS + VI. Evoked pain perception was significantly higher than in the other two groups, and reduced significantly together with CHEPs amplitude after tDCS + VI with respect to baseline. Pain perception threshold was significantly lower than in the other two groups before tDCS + VI intervention, and increased significantly afterwards. Conclusion: Two weeks of tDCS + VI induced significant changes in CHEPs, evoked pain and heat pain threshold in SCI patients with NP. These neurophysiological tests might be objective biomarkers of treatment effects for NP in patients with SCI.

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Crossref · 10.1002/j.1532-2149.2012.00167.x

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  • In some studies, a mirror was used with a video projection of walking legs; in others, walking stimuli consisted of a video of an actor in first-person view walking along a path; and in another, participants viewed their virtual arms and legs in first person view in a virtual world through a head-mounted display.

    “In some studies, a mirror was used with a video projection of walking legs [7, 15–17], in others the walking stimuli consisted of a video of an actor, in first-person view, walking along a path [18, 19] and in the last one participants viewed their virtual arms and legs in first person view in a virtual world through a head-mounted display [20].”

    From Virtual walking therapy in neuropathic spinal cord injury pain: a feasibility study (2024) · cites this paper as [16]

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  • Third-person perspective has already been described, while first-person perspective was also applied.

    “Third-person perspective has already been described [7], [15–17], while first-person perspective was also applied [18–20].”
  • The different studies regarding VW did not discuss therapy adherence.

    “The different studies regarding VW did not discuss therapy adherence [7, 15–20].”

    From Virtual walking therapy in neuropathic spinal cord injury pain: a feasibility study (2024) · cites this paper as [16]

    The Experimental procedure (§2.5; page unavailable) describes a 10-session intervention and reassessment after the last session, while the Results (§3.2; page unavailable) report pain outcomes. Searches for adherence, compliance, attendance, and completed sessions found no passage addressing therapy adherence. These passages do not establish the broader claim that the cited studies did not discuss it. (LLM, conf=0.68)

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Authors
Kumru, H., Soler, D., Vidal, J., Navarro, X., Tormos, J. M., Pascual‐Leone, A., & Valls‐Sole, J.
Affiliations
  • Universitat Autònoma de Barcelona (ES)
  • Institut Guttmann Hospital de Neurorehabilitació Institut Universitari adscript a la Universitat Autonoma de Barcelona Barcelona Spain
  • Hospital Clinic Barcelona Spain
Corresponding author
Kumru, H.
Venue
European Journal of Pain
Publisher
Wiley
Published
2012-05-18
Volume
17
Issue
1
Pages
55-66
ISSN
  • 1090-3801 (ISSN-L)
  • 1532-2149
OpenAlex
W2119536210
Cited by
83
References
40
Citations by year
2026: 2 · 2025: 6 · 2024: 5 · 2023: 6 · 2022: 7 · 2021: 8 · 2020: 3 · 2019: 6 · 2018: 8 · 2017: 6 · 2016: 7 · 2015: 7 · 2014: 6 · 2013: 5 · 2012: 1
FWCI
3.06
Type
journal article
Language
en
Open access
Locations
  • European Journal of Pain (publishedVersion)
  • PubMed (publishedVersion)
  • RIUCV (Universidad Católica de Valencia San Vicente Martír) (submittedVersion, cc-by-nc-nd)
  • Hispana (submittedVersion, cc-by-nc-nd)
Funders
  • Banco Bilbao Vizcaya Argentaria
  • Instituto de Salud Carlos III
Topics
  • Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
  • Health Sciences › Medicine › Anesthesiology and Pain Medicine › Pain Management and Treatment
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
Keywords
transcranial direct current stimulation, optical illusions, neuropathic pain, spinal cord injury, contact heat evoked potentials, pain threshold, evoked pain, treatment biomarkers
MeSH terms
Adult, Aged, Evoked Potentials, Somatosensory, Female, Habituation, Psychophysiologic, Hot Temperature, Humans, Illusions, Male, Middle Aged, Neuralgia, Photic Stimulation, Sensory Thresholds, Spinal Cord Injuries, Pain Threshold, Transcranial Magnetic Stimulation

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