Usefulness of thermography in the diagnosis and classification of complex regional pain syndrome.

Neurologia (Engl Ed)

Autonomic Center (NeuroTek), San Juan de Dios Hospital, Santurtzi, Spain; Neurodegenerative Diseases Group, Biocruces Bizkaia Health Research Institute, Barakaldo, Bizkaia, Spain; Neurology Department, Cruces University Hospital, Barakaldo, Bizkaia, Spain; Department of Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Spain. Electronic address:

Published: June 2023

Introduction: We propose a protocol for study of complex regional pain syndrome (CRPS) based on a battery of quantitative measures (skin thermography, electrochemical skin conductance and sensory thresholds) and apply such protocol to 5 representative cases of CRPS.

Patients And Methods: 5 CPRS cases (2 women/3 men) that met the Budapest criteria for the diagnosis of CRPS.

Results: All patients showed spontaneous pain and allodynia. Two cases correspond to a stage I, in both the resting basal temperature was increased in the affected limb. Three cases reflect more advanced stages with a decrease in resting temperature and a delay in the recovery of the temperature when compared to contralateral limb.

Discussion: These non-invasive quantitative functional tests not only improve the diagnostic accuracy of CRPS but also, they help us to stratify and understand the pathological processes of the disease.

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http://dx.doi.org/10.1016/j.nrleng.2022.11.001DOI Listing

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