A randomized controlled trial of chiropractic spinal manipulative therapy for migraine
Abstract
OBJECTIVE: To assess the efficacy of chiropractic spinal manipulative therapy (SMT) in the treatment of migraine.
DESIGN: A randomized controlled trial of 6 months' duration. The trial consisted of 3 stages: 2 months of data collection (before treatment), 2 months of treatment, and a further 2 months of data collection (after treatment). Comparison of outcomes to the initial baseline factors was made at the end of the 6 months for both an SMT group and a control group.
SETTING: Chiropractic Research Center of Macquarie University.
PARTICIPANTS: One hundred twenty-seven volunteers between the ages of 10 and 70 years were recruited through media advertising. The diagnosis of migraine was made on the basis of the International Headache Society standard, with a minimum of at least one migraine per month.
INTERVENTIONS: Two months of chiropractic SMT (diversified technique) at vertebral fixations determined by the practitioner (maximum of 16 treatments).
MAIN OUTCOME MEASURES: Participants completed standard headache diaries during the entire trial noting the frequency, intensity (visual analogue score), duration, disability, associated symptoms, and use of medication for each migraine episode.
RESULTS: The average response of the treatment group (n = 83) showed statistically significant improvement in migraine frequency (P < .005), duration (P < .01), disability (P < .05), and medication use (P< .001) when compared with the control group (n = 40). Four persons failed to complete…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 83 participants or records.
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