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Transcutaneous electrical nerve stimulation following appendicectomy: the placebo effect
Annals of the Royal College of Surgeons of England
|July 1, 1986
Summary
Transcutaneous electrical nerve stimulation (TENS) did not significantly reduce postoperative pain severity after appendicectomy compared to placebo. The study suggests TENS offers minimal benefit beyond the placebo effect for managing appendicectomy pain.
Area of Science:
- Pain Management
- Surgical Recovery
- Clinical Trials
Background:
- Postoperative pain is a common challenge following appendicectomy.
- Standard analgesia includes intramuscular opiates.
- Transcutaneous electrical nerve stimulation (TENS) is a non-invasive modality for pain relief.
Purpose of the Study:
- To evaluate the efficacy of TENS versus standard analgesia for postoperative pain after appendicectomy.
- To compare active TENS, sham TENS, and a control group.
Main Methods:
- A controlled trial involving patients undergoing emergency appendicectomy.
- Randomization into three groups: control, sham TENS, and active TENS.
- Assessment of pain severity and analgesic intake.
Main Results:
- Both active and sham TENS groups showed significant reductions in pain severity and analgesic intake compared to the control group (P < 0.01).
- No significant difference in pain severity was observed between active and sham TENS groups.
- The active TENS group required slightly less analgesia than the sham TENS group.
Conclusions:
- The primary benefit of TENS in post-appendicectomy patients appears to be a placebo effect.
- TENS is not recommended for managing postoperative pain in this patient population.
- Further research may explore placebo effects in pain management interventions.