Transcutaneous electrical nerve stimulation: review of effectiveness.

The effectiveness of transcutaneous electrical nerve stimulation (TENS) for pain relief has been challenged. This article evaluates systematic review findings and demonstrates that studies using appropriate TENS technique and dosage are more likely to demonstrate clinical efficacy. Therefore, it seems reasonable to continue to use TENS as a pain management intervention.

http://dx.doi.org/10.7748/ns.28.40.44.e8565