Abstract
ABSTRACT BACKGROUND AND OBJECTIVES: There are very few instruments in the literature that allow for the precise identification of neuropathic pain, that are easy to apply and can represent the pain intensity and location within the plexus path, as well as be used for pain management. The objective of this study was to validate a visual instrument made from a color scale and a body diagram to locate and measure the pain intensity in adults with brachial plexopathy. METHODS: This exploratory study used a quantitative approach. The sample was composed of 35 patients presenting brachial plexus pain and who underwent surgery. The instrument is composed of a four-color scale and a body diagram. Each patient identified a color on the scale for each pain intensity and then colored the representative pain area in the diagram using one or more colors. Criterion validation was used to prove the correlation between the scores obtained by the instrument and the surgical reports, which were used as the external criterion. RESULTS: A significant agreement was observed between the representation of pain in the diagram and the surgical report in all nerve trunks. CONCLUSION: The instrument was found to be useful for locating the pain and measuring its intensity in patients with brachial plexopathy.
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