Last updated 13 April 2021 Poster Session, Thursday 15 April - 7:30 pm to 10:00 pm 2 minutes per poster Functional/Stereotaxy Chair: Alex Green, Oxford University Hospitals NHS Trust, Oxford, UK FS 1 Is there a role for Trigeminal Balloon Compression when Microvascular Decompression fails? A. Kumaria, Queen's Medical Centre, Nottingham, UK FS 2 Visual Field Deficits and Driving Outcomes at 1-year Post-temporal Lobectomy for Temporal Lobe Epilepsy: A Single Surgeon’s Experience P.Y.A. Aw, Institute of Neurosciences and Spinal Unit, Queen Elizabeth University Hospital, Glasgow, UK Covid Chair: Alex Green, Oxford University Hospitals NHS Trust, Oxford, UK C 1 Neurosurgery activity levels during the first wave of the COVID-pandemic: a single centre, retrospective cross-sectional cohort study G.E. Richardson, Walton Centre, Liverpool, UK C 2 COVID-19 related perioperative infection and mortality rates in two UK Neurosurgical Centres during the peaking phase of the pandemic M.T. Hasan, Neurosurgery Department, Salford Royal NHS Foundation Trust, Salford, Manchester, UK C 3 Comparison of outcomes of neurosurgical operations performed before and during the COVID-19 pandemic: a matched cohort study E. Toman, Queen Elizabeth Hospital, Birmingham, UK C 4 The impact of COVID-19 pandemic on the metastatic spine disease management: a single tertiary centre experience M.A. Abdalla, Charing Cross Hospital, London, UK C 5 The Impact of COVID-19 on neurosurgical head trauma referrals and admission at a tertiary neurosurgical centre. S. Sinha, Salford Royal Foundation Trust, Manchester, UK C 6 The impact of COVID-19 on trauma referrals to a National Neurosurgical Centre J. Horan, National Neurosurgical Centre, Beaumont Hospital, Dublin, Ireland C 7 The effect of COVID-19 pandemic on management and outcome of aneurysmal subarachnoid hemorrhage patients in the university hospital of wales A. Fath, Neurosurgery department, UHW, Cardiff, UK C 8 Subarachnoid haemorrhage in covid-19: a tertiary centre experience B.J. Hall, The Walton Centre NHS Foundation Trust, Liverpool, UK C 9 Do Neurosurgery Patients Prefer Telephone Clinics? A. Kumaria, Queen's Medical Centre, Nottingham, UK C 10 Patient and Neurosurgeon perceptions of the virtual neurosurgery consultations in the COVID-19 era: A prospective mirror- survey evaluation study S.S.C. Chaganty, Peninsula Medical School, University of Plymouth, Plymouth, UK Last updated 13 April 2021 C 11 Telephone consultations in neuro-oncology during the COVID-19 pandemic: levels of patient satisfaction and comparison with traditional face-to-face consultations Z. A. Sher, University Hospitals Birmingham NHS Trust, Birmingham, UK Miscellaneous Chair: Paul Brennan, Royal Infirmary of Edinburgh, Edinburgh, UK M 1 Documented Driving Advice in Neurosurgical Patients Compared to Current Driver and Vehicle Licensing Agency (DVLA) Guidance E.J. Norton, St George’s Hospital, London, UK M 2 The gender gap at neurosurgical conferences J. Woodfield, Department of Clinical Neurosciences, Edinburgh, Scotland M 3 The utilisation of the MUST nutritional screening tool in a Neurosurgical cohort: An audit R.D Sundaram, University of Glasgow, Undergraduate Medical School, Glasgow, United Kingdom M 4 Integrated care pathways in Neurosurgery: A systematic review K.S. Lee, Department of Clinical Neurosurgery, University of Cambridge, Cambridge, UK M 5 Beanbag surgical positioner: Evaluation of a new surgical positioning device in Neurosurgical practice A.P. Perera, Kings College Hospital, Londo , UK M 6 Perception & recollection of Risks and benefits in Neurosurgery patients : Study of Consent A. E. Moursi, Salford NHS Foundation Trust, Manchester , UK M 7 Quality Improvement Project: Improving Oxygen Prescribing in a Tertiary Neurosurgical Centre A Vastani, King's College Hospital, London, UK M 8 The SELKaM Trauma Network Virtual Clinic: a preliminary evaluation of the novel service A. Baig Mirza, Kings College Hospital, London, UK M 9 Usefulness of Royal College of Surgeons of England Operation Note Guidelines to Neurosurgical Practice: A Closed Loop Audit R. Bradley, Institute of Neurological Sciences, Glasgow Oncology Chair: Paul Grundy, University Hospital NHS Foundation Trust, Southampton, UK O 1 Extent of resection in glioblastoma multiforme: A 10-year local survival analysis P.G. McAleavey, School of Medicine, Queen's University Belfast, UK and Department of Neurosurgery, Royal Victoria Hospital, Belfast, UK O 2 Safer Re-do Glioblastoma Surgery: an Audit J. Kang, Queen's Hospital, Romford, UK O 3 Proposal for supplemental cortical and novel subcortical maps to Penfield’s motor homunculus: Intraoperative mapping study of pre-central motor cortex and subcortex P. Ghimire, King's College Hospital NHS Foundation Trust, London, UK O 4 Challenges of non-navigated intraoperative ultrasound(ioUS) in adult cranial neuro-oncological surgery P. Ghimire, King's College Hospital NHS foundation Trust O 5 Fluorescein Guided Microsurgical Resection of Brain Tumours: Technical Setup and Early Experience in a Single Centre C. Y. Akhunbay-Fudge, Neurosurgery Department, Leeds General Infirmary, Leeds, UK O 6 Recovery of SMA syndrome: a fMRI case of the role of lateral premotor cortical and subcortical connections M. El Sheikh, Institute of Neurological Sciences, Queen Elizabeth University Hospital, Glasgow, UK O 7 Tumour Treating Fields in Glioblastoma: Is the treatment tolerable, effective, and practical in UK Patients? S. Trifoi, The Walton Centre, Liverpool, UK O 8 The Usefulness of Pre-Operative Extra-Cranial Imaging In Radiologically Suspicious Glioblastoma Multiforme S. Lammy, Institute of Neurological Sciences, Glasgow, UK Last updated 13 April 2021 O 9 Service reconfiguration into an urgent elective pathway for the management of glioblastoma patients improves adjunct use and outcomes: a single centre six year review R. Sun, Queen Elizabeth Hospital, Birmingham, UK O 10 The Burr-Hole Biopsy (Where do we admit these patients and what is their rate of complications?) G.B. Bonanos, James Cook University Hospital, Middlesbrough UK O 11 The growth rate and clinical outcomes of radiation induced meningioma undergoing treatment or active monitoring- can we predict their path from diagnosis? C. S. Gillespie, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, UK O 12 10-Year Institutional Retrospective Case Series of WHO Grade II Gliomas and Correlation of Seizures, Lobar Location, Histopathological Subtype and IDH-1 Mutation (2010-2020) S. Lammy, Institute of Neurological Sciences, Glasgow, UK O 13 Therapeutic strategies and challenges in the management of craniospinal tumours in pregnancy: a 10-year retrospective tertiary centre study P. Ghimire, King's College Hospital NHS Foundation Trust, UK Spine Chair: Justin Nissen, Royal Infirmary, Newcastle upon Tyne, UK S 1 Metastatic spinal cord compression - when should we be operating? L. Ferguson, James Cook University Hospital, Middlesbrough, UK S 2 Estimating survival in patients treated surgically for the metastatic cord compression – what can we rely on? O. Sleem, Department of Neurosurgery, Queen Elizabeth Hospital, UHB, Birmingham S 3 Withdrawn S 4 Out-of-hours magnetic resonance imaging for suspected cauda equina syndrome: lessons from a comparative study across two centres B. Sachdev, Queen Elizabeth Hospital, Birmingham, UK S 5 Determining the outcomes of an emergency department’s back pain pathway in the investigation of suspected acute cauda equina syndrome in a tertiary level hospital. K. Karia, Queen Elizabeth Hospital Birmingham, Birmingham, UK S 6 Outcomes Following Surgery Cauda Equina Syndrome, Single Institution Experience M. Kumar, University Hospitals Coventry and Warwickshire S 7 Case series-Intradural disc in recurrence of lumbar disc prolapse B Alhani, The Royal Orthopaedic Hospital Birmingham, UK S 8 Vertebral Artery Injury During Anterior Cervical Spine Surgery S. Nissen, Leeds School of Medicine, Leeds, UK S 9 Cervical myelopathy mimicking intramedullary tumor: A case report and review of literature. A. vats, James Cook University Hospital, Middlesbrough S 10 The Glasgow Lumbar Spinal Stenosis Scale: An Individualised Formula for the Radiological Assessment of Lumbar Spinal Stenosis R. Bradley, Institute of Neurological Sciences, Glasgow S 11 Development of a Search Filter for Ovid Embase for Degenerative Cervical Myelopathy M.A. Khan, Academic Neurosurgery Unit, Department of Clinical Neurosurgery, University of Cambridge, Addenbrooke’s Hospital, Cambridge, UK S 12 A multicentre review of surgical management and outcomes in spinal intradural arachnoid cysts A. Baig Mirza, Kings College Hospital, London, UK S 13 Management of Spinal Chordomas – Our Single Institution Experience J. Bartram, Department of Neurosurgery, King’s College Hospital NHS Foundation Trust, London, UK Last updated 13 April 2021 S 14 A 10-year single centre experience of surgically managed intradural extramedullary tumours A. Vastani, King's College Hospital, London, UK S 15 Surgical site infections (SSI) in spine surgery: Retrospective analysis at a tertiary spinal neurosurgery referral centre in UK G. Pang, King's College Hospital NHS Foundation Trust S 16 Avoidance of motor nerve injury during XLIF at L4-5 level by microscopic approach. M. R Hassan, Department of Neurosurgery, Leeds General Infirmary S 17 Systematic review of radiological grading systems for cervical foraminal stenosis J. Meacock, Leeds, UK S 18 Spinal subdural extra-arachnoid hygromas: