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Pain Med. 2018 May 1;19(5):1023-1032. doi: 10.1093/pm/pnx106.

Are Multidimensional Pain Inventory Coping Strategy Profiles Associated with Long-Term Spinal Cord Stimulation Effectiveness?

Author information

1
Anesthesiology and Pain Therapy UnitAzienda Ospedaliera Universitaria Pisana, Pisa, Italy.
2
Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Pisa, Italy.
3
Department of Neurosurgery, Macchi Foundation Hospital, Varese, Italy.

Abstract

Introduction:

It is acknowledged that the way patients cope with pain may influence treatment outcome. In particular, psychological factors are deemed important when considering patients for suitability for spinal cord stimulation (SCS).

Objective:

The aim of the study is to observe how pre-implantation psychological characteristics impact the effectiveness of SCS for chronic pain.

Methods:

The analysis comprised data from 137 patients who underwent an SCS implant. Screening evaluation included a coping strategies profile (Multidimensional Pain Inventory) and psychiatric disorders (Mini-International Neuropsychiatric Interview). Based on SCS implant outcome collected during follow-up visits, patients were divided into three groups: subjects with long-term pain relief (long-term group), subjects who failed the SCS treatment and decided to explant trial device (trial explanter group [TE]), and those who chose a permanent device (permanent explanter group [PE]).

Results:

Results showed that most of the patients who failed with the SCS (TE and PE groups) demonstrated a dysfunctional coping profile and showed a higher presence of psychiatric disorders, which significantly influenced the experience and perception of pain.

Conclusions:

The findings of this study support the value of a multidisciplinary screening. Addressing psychological issues before SCS implantation can reduce the failure rate of SCS.

PMID:
28549170
DOI:
10.1093/pm/pnx106
[Indexed for MEDLINE]

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