Effects of topical vs injection treatment of cervical myofascial trigger points on headache symptoms in migraine patients: a retrospective analysis.

Group 2- TrP treatment with bupivacaine injection + migraine treatment There was a significant trend for reduction of number and intensity of migraine attacks and, in parallel, also of symptomatic drug consumption (ANOVA: p < 0.0001) (Figs. 1 , 2 ).

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The difference was already highly significant at day 30, becoming progressively more accentuated over the study period ( p < 0.001 for all internal comparisons).

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