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Mentorship has long since been acknowledged as an integral part of Neurosurgical training. The authors sought to evaluate the state of mentorship in Neurosurgical training in the United Kingdom (UK). A 28-point questionnaire was sent to all neurosurgical trainees in the UK and Ireland via the British Neurosurgical Trainee's Association (BNTA), comprising 180 trainees. There were 75 responses (180 trainees on the mailing list, 42% response rate). Despite all respondents reporting it to be at least somewhat important to have a mentor, 16% felt they had no mentors. The mean number of mentors was 2.91 with 72% of respondents having more than 1 mentor. In terms of the content of mentorship relationships, 63% were comfortable discussing career related topics with their mentor to a high or very high degree but only 29% felt comfortable discussing their general wellbeing. With regards to allocated educational supervisors, 43% thought this person to be a 'low' or 'very low' source of mentorship. The three most important traits of the ideal mentor as reported by respondents were: someone chosen by them (48%), working in the same hospital (44%) and having received formal mentorship training (36%). The current perception of mentorship in Neurosurgery from the surveyed trainees is mixed. A healthy majority of trainees benefit from mentorship of some kind, whilst a significant minority feel underserved. The surveyed trainees feel mentorship is slanted more towards clinical and professional aspects of development than it is towards personal ones. Suggestions for future insight would be an evaluation of senior registrar and consultant sentiments towards mentorship, whilst exploration into more flexible models for establishing mentoring relationships may help to address the heavy importance of trainee choice which is voiced by this survey's results. [ABSTRACT FROM AUTHOR]

Hyponatraemia is a common complication of aneurysmal subarachnoid haemorrhage (SAH). We aimed to determine current neurosurgical practice for the identification, investigation and management of hyponatraemia after SAH. An online questionnaire was completed by UK and Irish neurosurgical trainees and consultant collaborators in the Sodium after Subarachnoid Haemorrhage (SaSH) audit. Between August 2019 and June 2020, 43 responses were received from 31 of 32 UK and Ireland adult neurosurgical units (NSUs). All units reported routine measurement of serum sodium either daily or every other day. Most NSUs reported routine investigation of hyponatraemia after SAH with paired serum and urinary osmolalities (94%), urinary sodium (84%), daily fluid balance (84%), but few measured glucose (19%), morning cortisol (13%), or performed a short Synacthen test (3%). Management of hyponatraemia was variable, with units reporting use of oral sodium supplementation (77%), fluid restriction (58%), hypertonic saline (55%), and fludrocortisone (19%). Reported assessment of serum sodium after SAH was consistent between units, whereas management of hyponatraemia varied. This may reflect the lack of a specific evidence-base to inform practice. [ABSTRACT FROM AUTHOR]

Medical students' perception of neuroanatomy as a challenging topic has implications for referrals and interaction with specialists in the clinical neurosciences. Given plans to introduce a standardised Medical Licensing Assessment by 2023, it is important to understand the current framework of neuroanatomy education. This study aims to describe how neuroanatomy is taught and assessed in the UK and Ireland. A structured questionnaire capturing data about the timing, methods, materials, assessment and content of the 2019/2020 neuroanatomy curriculum in the UK and Ireland medical schools. We received 24/34 responses. Lectures (96%) were the most widely used teaching method, followed by prosection (80%), e-learning (75%), tutorials/seminars (67%), problem-based learning (50%), case-based learning (38%), and dissection (30%). The mean amount of core neuroanatomy teaching was 29.3 hours. The most common formats of assessing neuroanatomical knowledge were multiple-choice exams, spot tests, and objective structured clinical exams. Only 37.5% schools required demonstration of core clinical competency relating to neuroanatomy. Our survey demonstrates variability in how undergraduate neuroanatomy is taught and assessed across the UK and Ireland. There is a role for development and standardisation of national undergraduate neuroanatomy curricula in order to improve confidence and attainment. [ABSTRACT FROM AUTHOR]

Tractography derived from diffusion MRI can provide important insights into human brain microstructure in vivo. Neurosurgeons were quick to adopt the technique at the turn of the century, but it remains plagued by technical fallibilities. This study aims to describe how tractography is deployed clinically in a modern-day, public healthcare system, serving as a snapshot from the 'shop floor' of British neurosurgical practice. An 11-question survey was circulated to the mailing lists of the Society of British Neurological Surgeons and British Neurosurgical Trainees' Association, including questions on frequency, indication, tracts reconstructed, specific details of techniques used and personnel by whom it was performed, and a free-text section on the limitations of tractography. 58 survey responses were received, covering all 40 neurosurgical units in the UK and Ireland. Overall, responses were received from neurosurgeons at 36 units (90.0%) stating tractography was in use at that unit. 74.1% of the responses were from Consultants. The most common indication for tractography was in tumour resection. It was most commonly performed by neuroradiologists or imaging scientists. 75.9% of respondents stated that the model used to process tractography was the diffusion tensor (DTI). Many respondents were unaware of which algorithm (74.1%) or software tools (65.6%) were used by the operator to produce tractography visualisations. The corticospinal tract was the most commonly reconstructed tract. The most commonly cited limitations of the technique were perceived inaccuracy and brain shift. In this UK-based survey of practising neurosurgeons, we show that 90% of neurosurgical units in the UK and Ireland use tractography regularly; that predominantly DTI-based reconstructions are used; that tumour resection remains the most frequent use of the technique; and that large tracts such as the corticospinal tract are most frequently identified. Many neurosurgeons remain unfamiliar with the underlying methods used to produce tractography visualisations. [ABSTRACT FROM AUTHOR]

The endonasal transsphenoidal approach (TSA) has emerged as the preferred approach in order to treat pituitary adenoma and related sellar pathologies. The recently adopted expanded endonasal approach (EEA) has improved access to the ventral skull base whilst retaining the principles of minimally invasive surgery. Despite the advantages these approaches offer, cerebrospinal fluid (CSF) rhinorrhoea remains a common complication. There is currently a lack of comparative evidence to guide the best choice of skull base reconstruction, resulting in considerable heterogeneity of current practice. This study aims to determine: (1) the scope of the methods of skull base repair; and (2) the corresponding rates of postoperative CSF rhinorrhoea in contemporary neurosurgical practice in the UK and Ireland. We will adopt a multicentre, prospective, observational cohort design. All neurosurgical units in the UK and Ireland performing the relevant surgeries (TSA and EEA) will be eligible to participate. Eligible cases will be prospectively recruited over 6 months with 6 months of postoperative follow-up. Data points collected will include: demographics, tumour characteristics, operative data), and postoperative outcomes. Primary outcomes include skull base repair technique and CSF rhinorrhoea (biochemically confirmed and/or requiring intervention) rates. Pooled data will be analysed using descriptive statistics. All skull base repair methods used and CSF leak rates for TSA and EEA will be compared against rates listed in the literature. Formal institutional ethical board review was not required owing to the nature of the study – this was confirmed with the Health Research Authority, UK. The need for this multicentre, prospective, observational study is highlighted by the relative paucity of literature and the resultant lack of consensus on the topic. It is hoped that the results will give insight into contemporary practice in the UK and Ireland and will inform future studies. [ABSTRACT FROM AUTHOR]

Introduction: In the last two decades and driven by the International Subarachnoid Aneurysm Trial (ISAT), the management of aneurysmal subarachnoid haemorrhage (aSAH) has undergone extensive change from predominantly neurosurgical (clipping) to predominantly neuroradiological (coiling) treatment. In 2013, the UK's national Confidential Enquiry into Patient Outcome and Death (NCEPOD) recommended aSAH to be definitively treated within 48h of ictus. The aim of this survey was to assess how this recommendation is being followed across the UK and Ireland 17 years after ISAT and 6 years after the NCEPOD. Methods: An online survey consisting of 9 questions was electronically distributed to neurosurgical consultants and trainees. Missing or ambivalent data was collected or verified by emailing consultant neurosurgeons to ensure the coverage of all 32 neurosurgical units in the UK and Ireland. Results: Only 9 (28%) of units provide 7 days a week interventional neuroradiology service, but all 32 (100%) units have established networks with other neuroradiology centres to provide aSAH treatment within 48h of ictus assuming no delays in patient transfer. For aSAH patients requiring neurosurgical clipping, 27 (84%) of units provide (locally or through networks) aneurysm repair within 48h of ictus, whereas 5 (16%) units may breach this recommendation by keeping the aSAH patients that present after 5PM on Fridays and delaying their clipping to the subsequent Monday. Conclusion: Assuming no delays in patient transfer, 32 (100%) neurosurgical centres in the UK and Ireland meet the <48h ictus-to-treatment target for endovascular coiling and 27 (84%) units for neurosurgical clipping of aSAH. [ABSTRACT FROM AUTHOR]

The article provides an overview of external ventricular drainage (EVD) neurosurgical procedures in England which can result into mortality, extended courses of antibiotics and increased length of hospital stay. It discusses the proposed multi-centre audit of EVD in Great Britain and Ireland. Objectives of the project include establishing the demography, contemporary practice patterns and complications, identifying practices which may associated with outcomes and to guide future research.