C Bruce (Presenting Author) – Manchester University NHS Foundation Trust, Manchester, UK; S Rogers – Manchester University NHS Foundation Trust, Manchester, UK; K Saraf – Manchester University NHS Foundation Trust, Manchester, UK; G Kirkwood – Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK; N Kelland – Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK; M Wright – Guy’s and St Thomas’ NHS Foundation Trust, London, UK; S Jamil-Copley – Nottingham University Hospitals NHS Foundation Trust,; Nottingham, UK; K Abozguia – Blackpool Teaching Hospitals NHS Foundation Trust, Blackpool, UK; D Fox – Manchester University NHS Foundation Trust, Manchester, UK; C McCollum – Academic Surgery Unit, Institute of Cardiovascular Sciences, University of Manchester, Manchester, UK; GM Morris – Manchester University NHS Foundation Trust, Manchester, UK