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Miss Catherine McMahon

About Catherine McMahon

Miss Catherine McMahon is a Consultant Neurosurgeon and Clinical Lead for Trauma and Hydrocephalus at The Walton Centre in Liverpool. She is a general neurosurgeon with a particular interest in hydrocephalus, trauma and cranial reconstruction.

Miss McMahon graduated from the University of Glasgow MB ChB and completed a BSc in Neurosciences at The University of Aberdeen. Upon completion of basic surgical training she was appointed as a Neurosurgical Research Fellow at Salford Royal Hospitals NHS Foundation Trust and over the course of three years completed a PhD examining mechanisms of inflammatory brain injury after subarachnoid haemorrhage. She undertook her specialist training in Neurosurgery at Leeds General Infirmary and a Trauma Research Fellowship at Addenbrooke’s Hospital, Cambridge.

Her current clinical and research interests relate to implementation of the Liverpool HIT score in TBI, the use of pupillometry for in-patient assessment, improvement in the management and recognition of sports concussion, and timing of restarting anticoagulation after traumatic ICH. 






Clinical/research interests

Adult hydrocephalus including NPH and IIH.  Endoscopic intraventricular surgery for colloid cysts and endoscopic third ventriculostomies for LOVA. Chiari and syringomyelia.

In addition interest in cranial trauma, neurocritical care management of traumatic brain injury, recovery from brain trauma and sports concussion.  Surgical and cranial reconstruction. 

 Specialists clinics include:

One stop normal pressure hydrocephalus clinic

Chiari/Syringomyelia MDT clinic

Complex neurotrauma/neurorehab clinic

Complex cranial reconstruction/cranioplasty clinic

Membership of professional regional and national bodies

Sub-speciality lead for Neurosurgery for Clinical Research Network

Related Services


The Neurosurgical Division is one of the busiest neurosurgical units in the UK, seeing approximately 9,800 new patients, 3,800 elective patients, and 1,700 emergency inpatients every year.

Hydrocephalus, CSF disorders and spina bifida

Hydrocephalus, commonly known as ‘water on the brain’, is a condition that can affect all age groups from babies to the elderly.

Page last updated: 21 June 2022