Please use this identifier to cite or link to this item: http://hdl.handle.net/10603/70070
Title: Comparative study on Electromyography EMG biofeedback and Galvanic Skin Resistance GSR biofeedback in Tension Type Headache
Researcher: Veena Bembalgi
Guide(s): Dr. Karkal Ravishankar Naik
Keywords: audio-visual biofeedback, SF-36.
auditory biofeedback
electromyography biofeedback
galvanic skin resistance biofeedback
tension-type headache,
visual biofeedback
University: KLE University
Completed Date: 01/10/2013
Abstract: Background and purpose: Tension type headache (TTH) is the most widespread and most common primary headache disorder accounting for nearly 90 % of all headaches. Efficacy of electromyography (EMG) biofeedback (BF) in patients with tension type headache has been extensively studied and proven. However, efficacy of galvanic skin resistance (GSR) biofeedback has not been studied adequately. So far there are no studies on the efficacy of isolated audio, visual and combined EMG or GSR BF in TTH. The aim of the present study was to compare the efficacy of electromyography biofeedback and galvanic skin resistance biofeedback in patients with tension type headache and to study and compare the efficacy of auditory, visual and audio-visual biofeedback in patients with TTH. Methodology: This study was a randomized single blinded controlled prospective study. Out of 232 recruited subjects, 211 (145 females and 66 males) were randomly assigned to seven groups receiving electromyography feedback auditory (EMGa) (n =27), visual (EMGv) (n=28), combined audio-visual (EMGav) (n=27), galvanic skin resistance biofeedback auditory (GSRa) (n =26), visual (GSRv) (n=29) and combined audio-visual (GSRav) (n=28) and a control group (n = 27). Each subject (except the control group) received 15 sessions of respective biofeedback for 30 minutes each in an isolated room. The control group received only medication prescribed by their treating doctor. Each patient was blinded to the type of biofeedback (EMG or GSR) being given. Pain variables (average frequency, duration and intensity of headache per week), SF-36 quality of life XIII scores and analgesic usage were recorded at baseline, 1 month, 3 months, 6 months and 1 year after therapy. Results: All groups showed a significant decrease in pain variables (plt0.05), except control which failed to show improvement in frequency of headache only (p=0.06) at the end of one year. EMGav group showed significant differences at one year when compared with EMGa (p=0.04), EMGv (p=0.03), GSRv (p=0.0
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URI: http://hdl.handle.net/10603/70070
Appears in Departments:Faculty of Physiotherapy

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