In April 2021, the National Institute for Health and Care Excellence (NICE) published three new Interventional Procedure Guidance (repetitive short-pulse transscleral cyclophotocoagulation for glaucoma, deep brain stimulation for chronic, severe, treatment-resistant obsessive-compulsive disorder in adults, and Melphalan chemosaturation for primary or metastatic cancer in the liver) and two Medtech Innovation Briefings (microINR for anticoagulation therapy and RenalSense Clarity RMS for acute kidney injury), and two clinical guidelines (for atrial fibrillation and chronic pain in over 16s).