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Transcutaneous electrical nerve stimulation after major amputation.

V Finsen1, L Persen, M Løvlien

  • 1Trondheim University Hospital, Department of Orthopaedic Surgery, Norway.

The Journal of Bone and Joint Surgery. British Volume
|January 1, 1988
PubMed
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Transcutaneous electrical nerve stimulation (TENS) improved stump healing and reduced phantom limb pain in below-knee amputees. While sham TENS showed a placebo effect, active TENS offered longer-term benefits for phantom pain relief.

Area of Science:

  • Neurosurgery
  • Rehabilitation Medicine
  • Pain Management

Background:

  • Major lower limb amputations often result in complications like delayed stump healing and persistent phantom limb pain.
  • Effective management strategies for post-amputation pain and wound healing are crucial for patient recovery and quality of life.

Purpose of the Study:

  • To investigate the efficacy of transcutaneous electrical nerve stimulation (TENS) in improving stump healing and alleviating phantom limb pain following lower limb amputations.
  • To compare the effects of active low-frequency TENS, sham TENS, and sham TENS with medication.

Main Methods:

  • A randomized controlled trial involving 51 patients undergoing major lower limb amputations.
  • Patients were assigned to three groups: active low-frequency TENS, sham TENS with chlorpromazine, or sham TENS alone.

Related Experiment Videos

  • Outcomes assessed included stump healing, re-amputation rates, analgesic requirements, and phantom pain prevalence.

    • Main Results:

    • Active TENS demonstrated significantly faster stump healing and fewer re-amputations in below-knee amputees.
    • Sham TENS exhibited a notable placebo effect on pain perception.
    • No significant differences in pain or analgesic use were observed within the first four weeks across groups.
    • Active TENS led to a significant reduction in phantom limb pain prevalence at four months, but this effect diminished after one year.

    Conclusions:

    • Low-frequency TENS is a potentially beneficial intervention for enhancing stump healing and managing phantom limb pain after lower limb amputation.
    • The findings suggest TENS may offer a non-pharmacological approach to improving outcomes in amputee rehabilitation.
    • Further research is warranted to explore long-term efficacy and optimal TENS parameters.