The Society of British Neurological Surgeons

Neurosurgical National Audit Programme

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Surgeon

Mr N Kitchen MD FRCS (SN)
Professional Title Neurosurgeon
GMC Number 3124004
Personal Email neil.kitchen@uclh.nhs.uk
Secretary charlotte cornborough 0203 448 4714 charlotte.cornborough@uclh.nhs.uk
SBNS Member? Yes

Hospitals

Training


MD Cambridge University FRCS (SN)

1995

St Bartholomew's Hospital and Cambridge University 1980-1985

Charing Cross, Royal Free and Atkinson Morley's Hospitals as registrar and senior registrar neurosurgery. National Hospital, Queen Square as research fellow in stereotactic, epilepsy and functional neurosurgery

Professional Activity


chairman of UK Exam Board in Neurosurgery JCIE 2015-2018

SBNS Royal College Surgeons of England

i give occassional medicolegal expert opinions in my areas of clinical expertise and experience

Clinical Activity


neuro-oncology skull base surgery trigeminal neuralgia Gamma Knife radiosurgery Cavernoma

Clinical Lead Radiosurgery, National Hospital, Queen Square

Clinical Director for Neurosurgery, Queen Square UCLH

Research


Evaluation of radiosurgery techniques in metastatic and benign cerebral tumours. The indications for treatment in cerebral cavernomas.

Maurice-Williams RS, Kitchen ND. The scope of Neurosurgery for elderly people. Age and Ageing 1993; 22: 337-342. Powell J, Kitchen N, Heslin J, Greenwood R. Psychosocial outcomes at 18 months after good neurological recovery from aneurysmal subarachnoid haemorrhage. J Neurol Neurosurg Psychiatry. 2004 Aug;75(8):1119-24. Powell M, Kitchen N. The development of neurosurgery at the National Hospital for Neurology and Neurosurgery, Queen Square, London, England. Neurosurgery 2007 Nov;61(5):1077-90; discussion 1090. Toma AK, Papadopoulos MC, Stapleton S, Kitchen ND, Watkins LD. Conservative versus surgical management of idiopathic normal pressure hydrocephalus: a prospective double-blind randomized controlled trial: study protocol. Acta Neurochir Suppl. 2012;113:21-3. doi: 10.1007/978-3-7091-0923-6_4. PubMed PMID: 22116416. K, Stuart I, Cope B, Kitchen N, Al-Shahi Salman R. Comparative studies of the diagnosis and treatment of cerebral cavernous malformations in adults: systematic review. Acta Neurochir (Wien). 2013 Jan 31. [Epub ahead of print] PubMed PMID: 23371401.

Outcome Report

SBNS
Understanding activity pie charts


What does the Consultant activity pie chart show?

The Consultant activity pie charts represent the total number of elective (planned) finished consultant episodes (FCEs) and non-elective (emergency) finished consultant episodes. A finished consultant episode usually represents the care of a single patient from admission to discharge.

Please note that for Consultants who provide both adult services for patients older than 17 years and paediatric services for patients 16 years old and younger there are two outcome reports.

Elective Procedural Case-mix and Case Volume
Image

SBNS
Understanding mortality funnel plot charts

What does the Consultant funnel plot chart show?

The Hospital Consultant mortality funnel plot represent the total number of elective (planned) finished consultant episodes (FCEs) and non-elective (emergency) finished consultant episodes. A finished consultant episode usually represents the care of a single patient from admission to discharge.

The mortality presented here is for three years: April 2014 – March 2017. Please note that for Consultant who provide both adult services for patients older than 17 years and paediatric services for patients 16 years old and younger there are two outcome reports.

The horizontal yellow line represents the national average mortality. The solid black lines above and below the yellow line are the control limits. The upper control limit represents the highest expected mortality rate. The Consultant's outcome is highlighted in magenta.

30 Day Risk Adjusted Elective Procedural Mortality
Image

The outcomes of this consultant are within the expected range

Understanding the risk-adjusted mortality rate

Risk adjustment (or case-mix adjustment) takes into account patient risk factors to calculate a predicted mortality rate. This means that hospitals or consultants who see higher risk patients have their mortality rate adjusted to account for the factors that put these patients at greater risk.

Understanding the 'funnel plot' diagram

The funnel plot displays the risk-adjusted elective procedural mortality ratio for each consultant plotted against the expected number of mortalities for that consultant. The expected number of mortalities for each consultant will vary depending on the number of procedures they have performed and the risk profile of the patients they have treated. The horizontal yellow line represents the expected ratio. The solid black line above the chart is known as a ‘control limit’. This control limit represents the highest expected mortality rate. Risk-adjusted rates appearing beneath this line are within the normal range.

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