Research recommendation(s) from an individual piece of guidance Guidance: Epiduroscopic lumbar discectomy through the sacral hiatus for sciatica Date issued: 14 December 2016 Research recommendations coming out of this guidance NICE encourages further research into epiduroscopic lumbar discectomy through the sacral hiatus for sciatica and may update the guidance on publication of further evidence. Research studies should include details of patient selection, complications and long-term results.