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Journal of the Korean Academy of Rehabilitation Medicine 1993;17(2):157-164.
Analgesic effect of transcutaneous electrical nerve stimulation on cold-induced pain.
Ahn, Mi Kyung , Pyun, Sung Bum , Kwon, Hee Kyu
Department of Rehabilitation Medicine , Korea University Hospital
냉각에 의한 동통에서의 TENS의 효과 연구
안미경, 편성범, 권희규
고려대학교 의과대학 재활의학교실
Abstract

Transcutaneous electrical nerve stimulation(TENS) is a well established clinical technique to alleviate acute & chronic pain. However, its mechanism of action remains unknown and the stimulation parameters used are based on subjective reports from patient.

In the present study, The analgesic effect of TENS in cold-induced pain was assesed using a range of 3 stimulating frequencies(40 Hz, 80 Hz, 100Hz) in 60 normal healthy subjects. The subjects are randomly allocated 1 of 5TENS treatment regimes; 40 Hz, 80 Hz, 100Hz, sham and control TENS. Pain threshold and tolerance measurement were taken during 6 experimental cycles each lasting 15 min. Two pre-treatment cycles were followed by 4 treatment cycles.

TENS significantly elevated cold-induced pail threshold & tolerance when compared with sham and control groups. There is no significant difference in pain tolerance between different frequencies, but significant relationship in pain threshold between 40Hz & 100Hz.

We can conclude that TENS is effective in alleviating pain with elevation of pain threshold as well as pain tolerance.

Key Words: TENS, Cold-induced pain, Pain threshold, Pain tolerance


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