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 5 sources, which was discussed by the committee. The evidence included 1 randomised controlled trial, 1 review, 1 survey, 1 cohort study and 1 case series. It is presented in the summary of key evidence section in the interventional procedures overview.