Profile

• PhD in Bioengineering - Imperial College of London, United Kingdom
• Board Certification in Neurosurgery, Hellenic Ministry of Health
• University of Milan, Faculty of Medicine and Surgery, Graduation Degree 100/110, Graduation thesis: “Erythropoietin, a new hope for the treatment of serious degenerative diseases of the central nervous system” (Awarded Distinction)

Education experience

• Cadaveric Instructional Course-Skull base approaches, 01-02nd June 2021, Athens, Greece
• Cadaveric Instructional Course-Posterior Spinal Instrumentation (Occiput to Pelvis), 18-19th April 2016, Newcastle
• Neuro- Workshop 15 March 2016, London, UK
• "Response of St Mary's Hospital in Major Trauma" St Mary’s Hospital, London, UK, 13 January 2016
• "Copyright how to avoid infrigement?", Ιmperial College of London, 2016
• "Copyright for researchers", Ιmperial College of London, London , 2016
• "Criminal cases- the pitfalls for health professionals" 25th of May, 2016, St Mary’s Hospital, Imperial College, Healthcare NHS Trust
• St Mary’s Hospital, Imperial College Health Care NHS Trust, ‘’ICP Monitors and Decompressive Craniectomy’’, 13th January 2015
• St Mary’s Hospital, Imperial College Health Care NHS Trust, ‘’Clinical Trials in Neurosurgery’’, 8th October 2015
• St Mary’s Hospital, Imperial College Health Care NHS Trust, Course ‘’Trauma Team Member Course’’, 10th of March 2015
• "Nutrition support and nasogastric tube placement" St Mary’s Imperial College Health Care NHS Trust 
• St Mary’s Hospital, Imperial College Health Care NHS Trust, Lecture "Paediatric Cranial Trauma", 11th March 2015
• St Mary’s Hospital, Imperial College Health Care NHS Trust, Trauma Education and Emergency Management ‘’Head Injury: Opening the Pandora’s Boχ?’’, 19th of December 2012, London
• "Safeguarding children Level 2" St Mary’s Imperial College Health Care NHS Trust
• "Adult in hospital Life Support St Mary’s Imperial College Health Care NHS Trust

• Title ''Monitoring in Traumatic Brain Injury¨ December 2018, 
• Supervisor Professor Martyn Boutelle, Department of Bioengineering, Imperial College London, Supervisor Mark Wilson - Consultant Neurosurgeon, Imperial College Healthcare NHS Trust, Imperial College of London, Bioengineering Department
  
  

   

• 2024 – Today: External Associate Neurosurgeon, IASO General Hospital
• 2022 – Today: Consultant Neurosurgeon, General Hospital of Piraeus ''Tzaneio''
• 2019 – 2022: Neurosurgeon, External Associate Neurosurgeon (Ygeia, Metropolitan)
• 2018 – 2019: Consultant Neurosurgeon, Department of Neurosurgery, Athens University Hospital "Attiko"
• 2016 – 2018:  Spinal Clinical Fellow, Department of Neurosurgery, St Mary's - Charing Cross Hospitals, Imperial College Healthcare NHS Trust, London, UK
• 2014 – 2016: Neurotrauma Clinical Fellow, Department of Neurosurgery, St Mary's - Charing Cross Hospitals, Imperial College Healthcare NHS Trust, London, UK
• 2012 – 2014: Clinical Fellow, Department of Neurosurgery, St Mary's - Charing Cross Hospitals, Imperial College Healthcare NHS Trust, London, UK
• 2011 – 2012: Clinical Fellow, Department of Neurosurgery, Charing Cross Hospitals, Imperial College Healthcare NHS Trust, London, UK
  

• Minimally invasive procedures in Spine and Brain
• Neuro-oncology (Brain and Spine)
• Neuro-trauma (Brain and Spine)
• Hydrocephalus
• Robotics in Spine
  

Gordon & Slaghter Foundation for the results in the detection of spreading depolarisations using near infrared light", London, 2013

 

• The Surgery Journal, " Endoscopic Third Ventriculostomy: A Single-Center Experience in Greece." Kontojannis V, Papadopoulos E, Ydreos J, Isaakidis D, Gavra MM, Boviatsis EJ.Surg    J (N Y). 2020 May 7;6(2):e71-e76. doi: 10.1055/s-0040-1708864. 2020 Apr.
• Brain Injury Journal, “Detection of intracranial hematomas in the emergency department using near infrared spectroscopy.” Kontojannis V,  Hostettler I,  Brogan RJ,  Raza M, Harper-Payne A,  Kareem H,  Boutelle M,  Wilson M.Brain Inj. 2019;33(7):875-883. doi: 10.1080/02699052.2019.1610796.
• Journal of Spine Surgery,  “Case series of posterior instrumentation for repair of burst lumbar vertebral body fractures with entrapped neural elements.” Kareem H,  Raza MH,  Kontojannis V,  Nimer A,  Tsang K.J Spine Surg. 2018 Jun;4(2):374-382. doi: 10.21037/jss.2018.06.03.
• Acta Neurochirurgica, “Case report on the spontaneous resolution of a traumatic intracranial acute subdural haematoma: evaluation of the guidelines.” Hostettler IC,  Murahari S,  Raza MH,  Kontojannis V,  Tsang K,  Kareem H,  Jones B,  Wilson M.Acta Neurochir (Wien). 2018 Jul;160(7):1311-1314. doi: 10.1007/s00701-018-3556-2. Epub 2018 May 11.
• British Journal of Neurosurgery, ’’Retrospective case series of posterior instrumentation for repair of burst lumbar vertebral body fractures with entrapped neural elements’’ H. Kareem, V. Kontojannis and M. WilsonBritish Journal of Neurosurgery, ISSUE 30, NO 5, September 2016, 478-505, ISSN02688697
• Brain Injury Journal, ’’Near-Infrared Spectroscopy (NIRS) to detect traumatic intracranial haematoma: A systematic review and meta-analysis’’Dr Robert J. Brogan, Mr Vassilios Kontojannis, Dr Bhavin Garara, Mr Hani J. Marcus, Mr Mark H. Wilson, Brain Inj 2017;31(5):581-588. doi: 10.1080/02699052.2017.1287956. Epub 2017 Apr 25.Imperial Neurotrauma Centre, The Major Trauma Centre, Imperial College London    BRAIN INJURY JOURNAL
• British Journal of Neurosurgery, ’’Preliminary results on detection of Spreading Depolarisations using Near Infrared Spectroscopy’’Vassilios Kontojannis, Daniel Leff, Felipe Orihuela-Espina, Anna Blasi, Anthony J Strong, Martyn G Boutelle, Mark Wilson, British Journal of Neurosurgery, ISSUE 30.2, April 2016, ISSN02688697
• Journal of Neurosurgery, “Acinetobacter baumannii”Sakellaridis N., Kontojannis V.JOURNAL OF NEUROSURGERY, 2013 Dec;119(6):1656. doi: 10.3171/2010.7.JNS10577. Epub 2013 Sep 27.

• General Medical Practice (GMC) UK
• Royal College of Surgeons
• European Association of Neurosurgical Societies
• COSBID - Co-operative Studies on Brain Injury Depolarisations
• Member of Hellenic Neurosurgical Society
• Acta Orthopaedica et Traumatologica Hellenica
• Clinical Neurophysiology Practice
  AD-HOC REVIEWER for peer-reviewed international journals
• Trauma
  
  

   

• Brain Trauma
• Neuromonitoring