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 9 sources, which was discussed by the committee. The evidence included 1 non-randomised comparative study, 7 case series and 1 case report. It is presented in table 2a of the interventional procedures overview. Other relevant literature is in the appendix of the overview.