Sensory modulation dysfunction is associated with Complex Regional Pain Syndrome

Tami Bar-Shalita, Anatoly Livshitz, Yulia Levin-Meltz, Debbie Rand, Lisa Deutsch and Jean-Jacques Vatine

PLOS ONE, 2018, vol. 13, issue 8, 1-13

Abstract: Objective: Complex Regional Pain Syndrome (CRPS), a chronic pain condition, develops mainly after limb trauma and severely inhibits function. While early diagnosis is essential, factors for CRPS onset are elusive. Therefore, identifying those at risk is crucial. Sensory modulation dysfunction (SMD), affects the capacity to regulate responses to sensory input in a graded and adaptive manner and was found associated with hyperalgesia in otherwise healthy individuals, suggestive of altered pain processing. Aim: To test SMD as a potential risk factor for CRPS. Methods: In this cross-sectional study, forty-four individuals with CRPS (29.9±11 years, 27 men) and 204 healthy controls (27.4±3.7 years, 105 men) completed the Sensory Responsiveness Questionnaire-Intensity Scale (SRQ-IS). A physician conducted the CRPS Severity Score (CSS), testing individuals with CRPS. Results: Thirty-four percent of the individuals with CRPS and twelve percent of the healthy individuals were identified to have SMD (χ2 (1) = 11.95; p

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0201354

DOI: 10.1371/journal.pone.0201354

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