Pain Index Extracted From EEG in Monitoring Chronic Pain

Status Completed

Clinical Trial Summary

Pain is a subjective feeling,and pain experts have been trying to assess it using objective methods. Pain index (PI) is extracted from electroencephalographic as an objective diagnostic tool for chronic pain. This study is a diagnostic test aims to explore the reliability and validity of PI, with numerical rating scale(NRS) as the gold standard.

Clinical Trial Description

Chronic pain outpatients between 18 and 80 years old, NRS ≥4 at first visit and receive injection or shockwave therapy will be included. After informed consents signed, the age, gender, dominant hand and hospital anxiety and depression scale (HADS) will be collected. Each patient will be connected with a multifunctional monitor HXD-1 for 8 minutes to access EEG in a quiet environment before pain treatment and 30 minutes after pain treatment. NRS will also be recorded before pain treatment and 30 minutes after pain treatment. PI will be extracted from EEG by analysts.

In order to reduce environmental effects, the same quiet research environment will be used throughout the study. All data will be obtained and recorded by the same person, and all PI will be analyzed and calculated by the same person.

SPSS 20.0 will be used to analyze the data, Pearson's correlations and Kappa consistency test to analyze the validity and reliability of PI. The receiver operating characteristic curve will be use to analyze the sensitivity and specificity of PI to evaluating moderate and severe pain(NRS≥4). A multiple linear regression equation with PI as dependent variable and anxiety score and depression score as independent variables will be used to evaluate the influence of anxiety and depression on PI. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03613012
Study type	Observational
Source	Peking University People's Hospital
Contact
Status	Completed
Phase
Start date	August 6, 2018
Completion date	November 10, 2018

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