Optimal stimulation duration of tens in the management of osteoarthritic knee pain

Cheing, Gladys, Tsui, Amy, Lo, Sing Kai and Hui-Chan, Christina 2003, Optimal stimulation duration of tens in the management of osteoarthritic knee pain, Journal of rehabilitation medicine, vol. 35, no. 2, pp. 62-68.

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Title Optimal stimulation duration of tens in the management of osteoarthritic knee pain
Author(s) Cheing, Gladys
Tsui, Amy
Lo, Sing Kai
Hui-Chan, Christina
Journal name Journal of rehabilitation medicine
Volume number 35
Issue number 2
Start page 62
End page 68
Publisher Taylor & Francis A S
Place of publication Stockholm, Sweden
Publication date 2003-03
ISSN 1650-1977
Keyword(s) knee osetoarthritis
pain
tens
Summary Objective: This study examined the optimal stimulation duration of transcutaneous electrical nerve stimulation (TENS) for relieving osteoarthritic knee pain and the duration (as measured by half-life) of post-stimulation analgesia. Subjects: Thirty-eight patients received either: (i) 20 minutes (TENS20); (ii) 40 minutes (TENS40); (iii) 60 minutes (TENS60) of TENS; or (iv) 60 minutes of placebo TENS (TENSPL) 5 days a week for 2 weeks. Methods: A visual analogue scale recorded the magnitude and pain relief period for up to 10 hours after stimulation. Results: By Day10, a significantly greater cumulative reduction in the visual analogue scale scores was found in the TENS40 (83.40%) and TENS60 (68.37%) groups than in the TENS20 (54.59%) and TENSPL (6.14%) groups (p 3 0.000), such a group difference was maintained in the 2-week followup session (p 3 0.000). In terms of the duration of post-stimulation analgesia period, the duration for the TENS40 (256 minutes) and TENS60 (258 minutes) groups was more prolonged than in the other 2 groups (TENS20 = 168 minutes, TENSPL = 35 minutes) by Day10 (p 3 0.000). However, the TENS40 group produced the longest pain relief period by the follow-up session. Conclusion: 40 minutes is the optimal treatment duration of TENS, in terms of both the magnitude (VAS scores) of pain reduction and the duration of post-stimulation analgesia for knee osetoarthritis.
Language eng
Field of Research 119999 Medical and Health Sciences not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2003, Taylor & Francis
Persistent URL http://hdl.handle.net/10536/DRO/DU:30009352

Document type: Journal Article
Collection: School of Psychology
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