3.1
NICE did a rapid review of the published literature on the efficacy and safety of this procedure. This comprised a comprehensive literature search and detailed review of the evidence from 14 sources, which was discussed by the committee. The evidence included 2 randomised controlled trial, 3 case series and 1 observational survey for acute treatment of migraine. It included 4 randomised controlled trials, 2 case series, 1 observational survey and 1 Food and Drug Administration Manufacturer and User Facility Device Experience database adverse event report for prevention. It is presented in the summary of key evidence section in the interventional procedures overview. Other relevant literature is in the appendix of the overview.