Vibratory Stimulation Compared to Placebo in Alleviation of Pain
T Lundeberg, P Abrahamsson, L Bondesson, E Haker
Department of Physiology II, Karolinska Institutet, Stockholm, Sweden
The placebo effect of vibratory stimulation was studied in 72 patients with chronic pain syndromes in a double-blind crossover trial using a vibrator and a "placebo unit". Pain alleviation was reported by 48% of the patients during vibratory stimulation compared with 34% for placebo treatment; statistical significance (p less than 0.005).
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