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. 2009 Jun 1;4(2):62-5.
doi: 10.4176/090119.

Transcutaneous Electrical Nerve Stimulation (TENS) A Possible Aid for Pain Relief in Developing Countries?

O Tashani  1 , Mi Johnson
Affiliations

Transcutaneous Electrical Nerve Stimulation (TENS) A Possible Aid for Pain Relief in Developing Countries?

O Tashani et al. Libyan J Med. .

Abstract

Transcutaneous electrical nerve stimulation (TENS) refers to the delivery of electrical currents through the skin to activate peripheral nerves. The technique is widely used in developed countries to relieve a wide range of acute and chronic pain conditions, including pain resulting from cancer and its treatment. There are many systematic reviews on TENS although evidence is often inconclusive because of shortcomings in randomised control trials methodology. In this overview the basic science behind TENS will be discussed, the evidence of its effectiveness in specific clinical conditions analysed and a case for its use in pain management in developing countries will be made.

Keywords: Analgesia; Developing countries; Pain; Pain gate theory; Pain management; Pain relief; Transcutaneous Electrical Nerve Stimulation (TENS).

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Figures

Figure 1
Figure 1
A standard TENS device.
Figure 2
Figure 2
Diagrammatic representation of the principle of conventional TENS. By selectively activating A-beta fibers, TENS shuts the Pain Gate on A-delta and C fibers preventing pain-related signals reaching the brain.
Figure 3
Figure 3
Output characteristics (settings) of a standard TENS device. The user can control the amplitude (intensity), duration (width), frequency (rate) and pattern (mode) of the pulsed electrical currents.
See this image and copyright information in PMC

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