Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23805
Title: A single session of Acu-TENS increases FEV1 and reduces dyspnoea in patients with chronic obstructive pulmonary disease : a randomised, placebo-controlled trial
Authors: Lau, KSL
Jones, AYM
Keywords: Acupressure
Acupuncture points
Chronic obstructive pulmonary disease
Dyspnoea
Forced expiratory volume
TENS
Issue Date: 2008
Publisher: St Kilda
Source: Australian journal of physiotherapy, 2008, v. 54, no. 3, p. 179-184 How to cite?
Journal: Australian Journal of Physiotherapy 
Abstract: Questions: What is the immediate effect of a single 45-minute session of transcutaneous electrical nerve stimulation over acupoints (Acu-TENS) on lung function and dyspnoea in patients with chronic obstructive pulmonary disease? Design: Randomised, placebo-controlled trial with concealed allocation, participant blinding, assessor blinding, and intention-to-treat analysis. Participants: Forty-six ambulatory patients with a mean age of 75 years, with stage I or II chronic obstructive pulmonary disease, and with no previous experience of TENS or acupuncture. Intervention: The experimental group received 45 minutes of Acu-TENS over acupoint Ex-B1 bilaterally (0.5 'cun' lateral to the spinous process of the 7th cervical vertebra) while the control group received placebo-TENS with identical electrode placement but no electrical output despite a flashing light indicating stimulus delivery. Outcome measures: Lung function was measured as FEV1 and FVC while dyspnoea was measured using a shortness of breath 100-mm visual analogue scale. Results: After 45 minutes of Acu-TENS, the experimental group had increased FEV1 by 0.12 litres (95% CI 0.07 to 0.15) and decreased dyspnoea by 10.7 mm (95% CI -13.9 to -7.6) more than the control group. The effect on FVC was only small (mean difference 0.05 litres, 95% CI -0.01 to 0.10). Conclusion: Acu-TENS may be a useful non-invasive adjunctive intervention in the management of dyspnoea in patients with chronic obstructive pulmonary disease. This study suggests that the effect of long-term Acu-TENS warrants further investigation.
URI: http://hdl.handle.net/10397/23805
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