Spinal Cord Stimulation for Neuropathic Pain Relief : Efficacy Study Using the Specific NPSI Questionnaire (NPSI)

Hopital Foch100 enrolled

Overview

Several studies have shown the efficacy of spinal cord stimulation in reducing the intensity of neuropathic pain. This efficacy is defined as obtaining relief of at least 50% of the preoperative pain intensity assessed by the visual analog scale or the digital pain scale. No study has evaluated the efficacy of stimulation specifically on the different components of neuropathic pain, only an overall improvement in pain has been described. A specific questionnaire for neuropathic pain has been extensively validated in neuropathic pain: the Neuropathic Pain Symptom Inventory (NPSI). Thanks to the multidimensional structure of this questionnaire, investigators propose to evaluate separately and in a much more specific way the efficacy of spinal cord stimulation in the short and long term on the different components of neuropathic pain and to define responders subgroups.

Study Type

OBSERVATIONAL

Enrollment

100

Conditions

Neuropathic Pain

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Age ≥ 18 years * With neuropathic pain: * confirmed (DN4 score\> 4/10) * going back to one year at least * refractory to well-conducted medical treatments * Requiring spinal cord stimulation: the indication is validated by the multidisciplinary meeting (RCP Neuromodulation / Pain at Foch Hospital) * Having given his non-opposition Exclusion Criteria: * Patient with sepsis * Having no well-conducted prior medical treatment * With uncontrolled psychiatric disorders (active psychosis, suicidal disorders, severe depression) * with somatoform disorders * addicted to alcohol or drugs or withdrawal syndrome * Deprived of liberty or under guardianship.

Locations (1)

Outcomes

Primary Outcomes

Efficacy of spinal cord stimulation on the various symptoms of neuropathic pain using the Neuropathic Pain Symptom Inventory (NPSI), change is being assessed.

Neuropathic pain score obtained by the NPSI questionnaire

Time frame: Day 0; Day 7 after surgery; 3 months, 6 months and 12 months after surgery

Secondary Outcomes

Efficacy of spinal cord stimulation on the psychological level (anxiety and depression)

Anxiety and depression score assessed by Hospital Anxiety and Depression (HAD) questionnaire

Time frame: Day 0 and 12 months after surgery

Efficacy of spinal cord stimulation on quality of life.

Quality of life score assessed by EQ-5D questionnaire