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 systematic review, 2 small randomised controlled trials (1 of which was a feasibility randomised controlled trial that was described in 2 reports), 1 case report and 1 conference abstract. 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.