Prediction of the psychological fear on pain sensitivity

doi:10.3969/j.issn.1006-7795.2014.03.014

Abstract

Abstract:

Objective To investigate the prediction of the subject's psychological level on behavioral pain threshold to cuff-pressure tonic pain test and its effect to physical signs of heart rate(HR) and blood pressure(BP). Methods Fifteen healthy young male subjects(age:18-29 years) participated in the study. They were asked to fill in the informed consent and 6 psychological questionnaires, which were used to estimate their psychological level. They all were taken the BP and HR before and after the experiment. Then cuff-pressure pain was induced at their left upper(non-dominated) arms. The pain intensities and the pain distresses were recorded when the stimulus was going at the speed of 10 mmHg/s. Meanwhile, we recorded the pressure-pain thresholds before the stimulus and the HR as well as BP after each cuff-pressure stimulus. Results ① The results of the psychometrics were all in normal limits and the fear level for each subject was negatively correlated with his own values of the 3 cuff pressure pain-thresholds(r=-0.58, P=0.02). ② The HR increased after the pain-test(P<0.03). ③ When teach stimulus was going on, the pain-intensities and the distresses for each subject were increasing gradually. Conclusion ① The result of the fear psychometry can predict the behavioral pain threshold. ② The pain stimulation can increase the HR.

Key words: cuff-pressure pain, fear psychometry, pain threshold, heart rate, pain intensity, pain distress

CLC Number:

R441.1

Xu Min, Wang Kun, Andrew CN CHEN. Prediction of the psychological fear on pain sensitivity[J]. Journal of Capital Medical University, 2014, 35(3): 331-336.

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URL: https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/10.3969/j.issn.1006-7795.2014.03.014

https://journal03.magtech.org.cn/Jweb_sdykdxxb/EN/Y2014/V35/I3/331

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