Problems, Solutions, and Strategies Reported by Users of Transcutaneous Electrical Nerve Stimulation for Chronic Musculoskeletal Pain: Qualitative Exploration Using Patient Interviews

Author:

Gladwell Peter William1,Badlan Kathryn2,Cramp Fiona3,Palmer Shea4

Affiliation:

1. P.W. Gladwell, PhD, MCSP, BScHons, Pain Management Service, North Bristol NHS Trust, Southmead Hospital, Southmead Road, Bristol BS10 5NB, United Kingdom.

2. K. Badlan, MPhil, CertEdFE, MCSP, Faculty of Health and Life Sciences, University of the West of England, Bristol, United Kingdom.

3. F. Cramp, PhD, FCSP, BScHons, Faculty of Health and Life Sciences, University of the West of England.

4. S. Palmer, PhD, MCSP, FHEA, BScHons, Allied Health Professions, University of the West of England.

Abstract

Abstract Background Transcutaneous electrical nerve stimulation (TENS) could offer a non-drug form of pain relief, but there is no consensus regarding its effectiveness for chronic musculoskeletal pain or chronic low back pain. A recent review of previous trial methods identified significant problems with low treatment fidelity. There is little information available to inform the development of a pragmatic implementation design for a TENS evaluation. Objectives The aim of this study was to explore the experiences of patients who were receiving secondary care in a pain clinic and who had expertise in using TENS to manage chronic musculoskeletal pain. These key informants were selected because they had the potential to generate knowledge that could inform research design and clinical practice. Design A qualitative method using individual semistructured interviews with open questions was selected for its capacity to generate rich data. Methods Semistructured interviews were conducted with 9 patients (6 women, 3 men). Thematic analysis was used as the primary data analysis method, and this analysis was enhanced by a case-level analysis of the context and processes of TENS use of each individual. Results Data analysis indicated that patients learned to address a range of problems in order to optimize TENS use. Patients may need to personalize the positioning of electrodes and the TENS settings and to readjust them over time. Patients learned to use TENS in a strategic manner, and the outcomes of each strategy varied. Conclusions The findings indicated that a pragmatic TENS evaluation may need to incorporate a learning phase to allow patients to optimize this complex pattern of TENS usage, and evaluation may need to be sensitive to the outcomes of strategic use. These findings also have implications for clinical practice.

Publisher

Oxford University Press (OUP)

Subject

Physical Therapy, Sports Therapy and Rehabilitation

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