This document replaces previous guidance on arteriovenous sheathotomy for branch retinal vein occlusion (interventional procedure guidance 72).
1.1 Current evidence on the efficacy and safety of arteriovenous crossing sheathotomy for branch retinal vein occlusion (BRVO) is inadequate in quantity and quality. Therefore, this procedure should only be used in the context of research.
1.2 Research should take the form of controlled trials and should clearly define patient selection, the timing of treatment in relation to venous occlusion, and details of other treatment modalities used. NICE may review the procedure upon publication of further evidence.