• Eur J Pain · Jan 2000

    Psychological predictors of the effectiveness of radiofrequency lesioning of the cervical spinal dorsal ganglion (RF-DRG).

    • H Samwel, R Slappendel, B J Crul, and V F Voerman.
    • Pain Center, Institute for Anesthesiology, Department of Medical Psychology, University Hospital Nijmegen, The Netherlands. h.samwel@cksmps.azn.nl
    • Eur J Pain. 2000 Jan 1;4(2):149-55.

    AbstractIn this study, 54 patients suffering from chronic cervicobrachialgia (mean pain duration 7 years) were treated with radiofrequency lesioning of the cervical spinal dorsal root ganglion (RF-DRG). The aim of the study was to investigate whether psychological variables would be predictive for the changes in pain intensity after medical treatment. The following psychological aspects were measured: pain cognitions, negative self-efficacy and catastrophizing, physical and psychosocial dysfunction, and overall distress. The level of catastrophizing before treatment appeared to predict 10% of the changes in pain intensity after treatment. Changes in pain intensity after RF-DRG were positively correlated with changes in psychosocial dysfunction and negative self-efficacy.Copyright 2000 European Federation of Chapters of the International Association for the Study of Pain.

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