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 11 sources, which was discussed by the committee. The evidence included 4 systematic reviews, 1 prospective case series, 5 retrospective cohort studies and 1 case report. It is presented in the summary of key evidence section in the overview. Other relevant literature is in the appendix of the overview.