Cited by 26Fibromyalgia and Chronic Fatigue Syndrome ResearchPain Mechanisms and TreatmentsPain Management and Treatment

The DOI matches its Crossref record; 62 of the 62 references it cites were found in a registry or an index.

Central Sensitization and Small-fiber Neuropathy Are Associated in Patients With Fibromyalgia

Abstract

Objective: To study the prevalence of small-fiber neuropathy (SFN) in a large cohort of patients with fibromyalgia (FM) and to better characterize the subset of patients with both FM and SFN. Methods: This 1-year, retrospective, observational cohort study included 265 patients with FM. They all performed electrochemical skin conductance (ESC) using the Sudoscan device, 1 of the simplest and most reliable technique to assess the distal autonomic nerve fibers. They completed 4 self-assessment questionnaires: (1) the Central Sensitization Inventory (CSI), (2) the Neuropathic Pain Symptom Inventory (NPSI), and (3) the Hospital Anxiety and Depression Scale (HADS), the Fibromyalgia Impact Questionnaire (FIQ). Results: Fifty-three patients (20%) had reduced ESC values. These patients had higher CSI and HADS scores, and a larger intake of analgesic drugs compared with patients with no ESC abnormalities. Central sensitization, which was extreme in 69% of the patients (CSI score ≥60), was 1 of the main determinants of ESC abnormalities and was associated with a higher NPSI score, even though these 2 factors were not correlated. Conclusion: Over the past 10 years, studies have shown that a significant proportion of patients with FM have signs of small nerve fiber impairment. The possible involvement of SFN, in the occurrence and presentation of clinical symptoms in FM patients, remains however unclear. This is the first study that showed an association between central sensitization and both small nerve fiber impairment and neuropathic pain features in FM patients, rather than a direct association between SFN and neuropathic pain.

Overview

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Crossref · 10.1097/ajp.0000000000001085

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62 of 62 references verified0 citation errors · 0 not checkable

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Metadata

Authors
Dumolard, A., Lefaucheur, J.-P., Hodaj, E., Liateni, Z., Payen, J.-F., & Hodaj, H.
Affiliations
  • Centre Hospitalier Universitaire de Grenoble (FR)
  • Université Paris-Est Créteil (FR)
  • Pain Center, Department of Anaesthesia and Intensive Care
Corresponding author
  • Dumolard, Anne
  • Liateni, Zaki
  • Payen, Jean-François
  • Hodaj, Hasan
Venue
The Clinical Journal of Pain
Published
2022-11-16
Volume
39
Issue
1
Pages
8-14
ISSN
  • 0749-8047 (ISSN-L)
  • 1536-5409
OpenAlex
W4311898218
Cited by
26
References
62
Citations by year
2026: 9 · 2025: 6 · 2024: 7 · 2023: 4
FWCI
2.46
Type
journal article
Language
en
Open access
closed
Locations
  • Clinical Journal of Pain (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (Le Centre pour la Communication Scientifique Directe) (submittedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Fibromyalgia and Chronic Fatigue Syndrome Research
  • Health Sciences › Medicine › Physiology (medical) › Pain Mechanisms and Treatments
  • Health Sciences › Medicine › Anesthesiology and Pain Medicine › Pain Management and Treatment
Keywords
fibromyalgia, small fiber neuropathy, central sensitization, electrochemical skin conductance, autonomic nerve fibers, neuropathic pain, anxiety and depression, analgesic use, prevalence
MeSH terms
Fibromyalgia, Humans, Neuralgia, Surveys and Questionnaires, Retrospective Studies, Central Nervous System Sensitization

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