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A comparison of laser acupuncture versus placebo in radicular and
pseudoradicular pain syndromes as recorded by subjective responses of
patients
Kreczi T, Klingler D
Acupunct Electrother Res 1986;11(3-4):207-16
In a prospective randomized single blind cross over study the analgesic
effects of laser irradiation on acupuncture points and a mock laser
treatment (placebo) were compared in a sample of 21 patients suffering from
radicular and pseudoradicular pain syndromes. Subjective pain levels were
recorded on a visual verbal analogue pain rating scale before and after
laser treatment and placebo along with the duration of any effects on pain
observed. Mean pain levels after laser treatment were statistically
significantly lower than after placebo (p less than 0.001, t-test). In the
cross over section laser treatment was more effective than placebo in 20 out
of 21 patients and pain relief lasted longer after laser treatment in 18 out
of 21 patients.
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