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Related Experiment Videos

Transcutaneous electrical neurostimulation in functional pain.

R R Richardson, J Arbit, E B Siqueira

    Spine
    |March 1, 1981
    PubMed
    Summary

    Transcutaneous electrical neurostimulation (TENS) offered temporary pain relief for some low-back pain patients. However, benefits diminished within two months, and some patients experienced increased pain or unusual sensations.

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    Area of Science:

    • Neurology
    • Pain Management
    • Physical Therapy

    Background:

    • Transcutaneous electrical neurostimulation (TENS) is a recognized therapy for acute and chronic pain.
    • Its efficacy in managing low-back pain, particularly functional or psychosomatic types, requires further investigation.

    Purpose of the Study:

    • To evaluate the effectiveness and safety of TENS in patients with nonsurgical functional low-back pain.
    • To assess TENS in patients with postsurgical chronic intractable low-back pain of psychosomatic origin.
    • To validate TENS findings using a saline injection test for functional pain assessment.

    Main Methods:

    • TENS was applied to 15 patients with nonsurgical functional low-back pain.
    • TENS was applied to 24 patients with postsurgical chronic intractable low-back pain.

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  • A saline injection test was used post-TENS to confirm findings and assess pain basis.

    • Main Results:

    • Initial pain relief (≥50%) was observed in 40% of nonsurgical patients.
    • The pain-alleviating effects of TENS did not persist beyond two months.
    • Increased pain, unusual sensations, and behavioral changes were frequently reported post-TENS.
    • Similar outcomes were noted in the postsurgical patient group.

    Conclusions:

    • TENS provides short-term pain relief for certain low-back pain conditions.
    • Long-term efficacy of TENS is limited, with potential for adverse effects.
    • The saline injection test can help confirm functional pain and TENS outcomes.