Andrew IR MaasAndrew I.R. Maas is Professor and Chairman of the department of Neurosurgery at the Antwerp University Hospital and University of Antwerp. He holds positions as the Past President of the International Neurotrauma Society, Co-Chairman of the European Brain Injury Consortium and member of the Neurotraumatology Committee of the World Federation of Neurosurgical Societies.

He is a general neurosurgeon with specific interest in Traumatic Brain Injury and neuro-intensive care. Main research interests are:

-      Clinical trial design and analysis in Traumatic Brain Injury

-      Prognosis in Traumatic Brain Injury

-      Individualized Targeted Management in Neurocritical care

-      Quality of Life after brain injury

-      Standardization of data collection

Dr Maas was the principal investigator of the IMPACT study group (International Mission on Prognosis and Clinical Trial design in TBI), that was awarded an NIH grant (2003-2011) on the research project: “Clinical Trial Design and Analysis in Traumatic Brain Injury”. The IMPACT project consisted of a collaborative venture between the Erasmus University Rotterdam, Antwerp University Hospital, the University of Edinburgh and the Medical College of Virginia, Richmond USA. The IMPACT studies have resulted in over 55 publications and recommendations for improved trial design, have set the standard for prognostic analysis in TBI and proposed formats for standardization of data collection in TBI studies.

Dr Maas has also received funding from the Flemish Institute for Science and Technology for a project concerning Individualized Targeted Management in Neurocritical care (2009-2011).

Currently he’s coordinator of a large collaborative project CENTER-TBI: Collaborative European NeuroTrauma Effectiveness Research in TBI, funded by the European Commission.

Dr Maas is member of various editorial boards, review committees and is a reviewer for over 35 international journals. In total he has authored over 200 publications in peer reviewed international journals, most of these focussing on research in Traumatic Brain Injury.

Education and licences

2007                      Registration in Belgium as neurosurgeon

1997                      Registration as neurosurgeon-intensivist in the Netherlands

1985                      Registration as neurosurgeon in the Netherlands

1977                                      - Gaduation from medical school Erasmus University Rotterdam, the Netherlands

                               - PhD dissertation, Erasmus University Rotterdam, The Netherlands.

                               Promotores: Prof.Dr.

                      Lange en Prof.Dr. J.W.F. Beks

                               Titel: Cerebrospinal fluid enzymes in acute experimental brain injury


2008-ongoing    10%ZAP teaching professor University of Antwerp, Belgium

2007-ongoing    Professor and Chairman Department of Neurosurgery, Antwerp University Hospital

2006-2007           Chairman neurosurgical residency program, Erasmus MC Rotterdam, The Netherlands

1989-2007           Neurosurgeon (0,2 FTE) Albert Schweitzer Hospital, Dordrecht, The Netherlands

1985-2007           Neurosurgeon Erasmus Medical Center, Rotterdam, The Netherlands

1978-1985         Resident neurosurgery (including one year of neurology and one year general surgery)

Selected list of publications form previous 5 years

  1. Maas AIR,  Murray G, Roozenbeek, B, Lingsma HF, Butcher I, McHugh GS, Weir J,  Lu J, Steyerberg EW, on behalf of the International Mission on Prognosis Analysis of Clinical Trials in Traumatic Brain Injury (IMPACT) Study Group. Advancing the care for traumatic brain injury: summary results from the IMPACT studies and perspectives on future research Lancet Neurol. 2013 Oct 16. doi:pii: S1474-4422(13)70234-5. 10.1016/S1474-4422(13)70234-5. [Epub ahead of print]
  2. Manley GT, Maas AIR. Traumatic Brain Injury: an international knowledge-based approach. Jama 2013; 310(5):473-4
    1. Roozenbeek B, Maas AI, Menon DK.  Changing patterns in the epidemiology of traumatic brain injury.Nat Rev Neurol. 2013 Apr;9(4):231-6. doi: 10.1038/nrneurol.2013.22. Epub 2013 Feb 26.
    2. Yue JK, Vassar MJ, Lingsma HF, Cooper SR, Okonkwo DO, Valadka AB, Gordon WA, Maas AI,Mukherjee P, Yuh EL, Puccio AM, Schnyer DM, Manley GT; Track-Tbi Investigators, Casey SS, Cheong M, Dams-O'Connor K, Hricik AJ, Knight EE, Kulubya ES, Menon DK, Morabito DJ, Pacheco JL, Sinha TK. Transforming research and clinical knowledge in traumatic brain injury pilot: multicenter implementation of the common data elements for traumatic brain injury. J Neurotrauma. 2013 Nov 15;30(22):1831-44. doi: 10.1089/neu.2013.2970. Epub 2013 Sep 24.
    3. Roozenbeek B, Maas AI, Menon DK. Changing patterns in the epidemiology of traumatic brain injury. Nat Rev Neurol. 2013 Apr;9(4):231-6. doi: 10.1038/nrneurol.2013.22. Epub 2013 Feb 26.
    4. Lingsma H, Andriessen TM, Haitsema I, Horn J, van der Naalt J, Franschman G, Maas AI, Vos PE, Steyerberg EW. Prognosis in moderate and severe traumatic brain injury: external validation of the IMPACT models and the role of extracranial injuries. J Trauma Acute Care Surg. 2013 Feb;74(2):639-46. doi: 10.1097/TA.0b013e31827d602e.
    5. Maas AI, Menon DK. Integrated approaches to paediatric neurocritical care in traumatic brain injury. Lancet Neurol. 2013 Jan;12(1):26-8. doi: 10.1016/S1474-4422(12)70272-7.
    6. Maas AI, Menon D, Lingsma H, Pineda J, Sandel EM, Manley GT, (2012). Re-orientation of clinical research in traumatic brain injury: report of an international workshop on comparative effectiveness research. Journal of Neurotrauma. 2012. 29(1), 32-46.
    7. Maas AI, Menon D. Traumatic brain injury: rethinking ideas and approaches. Lancet Neurology. 2012.11(1), 12-13.
    8. Maas AIHarrison-Felix CLMenon DAdelson PDBalkin TBullock REngel DCGordon W,Langlois-Orman JLew HLRobertson CTemkin NValadka AVerfaellie MWainwright M,Wright DWSchwab K. Standardizing data collection in traumatic brain injury. Journal of Neurotrauma. 2011. 28(2), 177-187.
    9. Roosenfeld JV, Maas AI, Bragge P, Morganti-Kossman MC, Manley GT, Gruen RL. Clinical series on trauma surgery – early management of severe traumatic brain injury. Lancet, 2012. 380, 1088-1098
    10. Yuh ELMukherjee PLingsma HFYue JKFerguson ARGordon WAValadka ABSchnyer DM,Okonkwo DOMaas AI, Manley GTTRACK-TBI Investigators. Magnetic resonance imaging improves 3-month outcome prediction in mild traumatic brain injury. Ann Neurol. 2013 Feb;73(2):224-35. doi: 10.1002/ana.23783.
    11. Lingsma HFRoozenbeek BLi BLu JWeir JButcher IMarmarou AMurray GDMaas AI,Steyerberg EW. Large between-center differences in outcome after moderate and severe traumatic brain injury in the international mission on prognosis and clinical trial design in traumatic brain injury (IMPACT) study. Neurosurgery. 2011 Mar;68(3):601-7;.
    12. Lingsma HFRoozenbeek BSteyerberg EWMurray GDMaas AI. Early prognosis in traumatic brain injury: from prophecies to predictions. Lancet Neurol. 2010 May;9(5):543-54. doi: 10.1016/S1474-4422(10)70065-X.


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