Greater occipital nerve block for chronic migraine patients: A meta‐analysis
Acta Neurologica Scandinavica2022Vol. 146(2), pp. 101–114
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Victor Velásquez‐Rimachi, Jorge Emerson Chachaima-Mar, Elena Cristina Cárdenas‐Baltazar, Alejandra Loayza‐Vidalon, Cristian Morán‐Mariños, Kevin Pacheco‐Barrios, Margarita Posso, Carlos Alva‐Díaz
Abstract
The limited evidence available shows that GONB with local anaesthetics could reduce headache frequency and intensity compared to placebo, while adding corticosteroids did not show additional benefits. GONB was safe with a similar number of minor adverse events. However, our confidence in these estimates is very low since the evidence is based on a few trials, with a small sample size and a significant risk of bias. In addition, the exploratory TSA was inconclusive, so we need larger and specific trials.
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