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 3 randomised controlled trials (one of which resulted in 3 publications), 3 systematic reviews, 1 non-randomised comparative study, 1 case series and 4 case reports. It is presented in table 2 of the interventional procedures overview. Other relevant literature is in the appendix of the overview.