Hinge / floating craniotomy: an international survey of practice

Dear Colleagues,

We would like to invite you to take part in our online survey on hinge / floating craniotomy. This survey is supported by the NIHR Global Health Research Group on Neurotrauma at the University of Cambridge and the Neurotrauma Committee of the World Federation of Neurosurgical Societies (WFNS).,

The survey aims to identify areas of consensus / uncertainty with regards to the use of hinge / floating craniotomy for traumatic brain injury (TBI) / stroke. As you know, this technique achieves partial cerebral decompression with subsequent immediate replacement of the bone flap in a ‘floating’ or ‘hinged’ fashion. This provides expansion potential for ensuing cerebral oedema and obviates the need for cranioplasty in the future. It is likely that this technique provides a viable alternative to decompressive craniectomy (bone left out or stored in abdominal wall) in certain contexts and we would like to plan a multi-centre study to examine this hypothesis.


We are aware that there are a number of techniques which share the principle of retaining the bone flap without rigid fixation. We are interested in all these techniques and their various modifications. For this survey, we use the term hinge / floating craniotomy as an umbrella term for simplicity.

If you have any questions or comments, please feel free to contact us by emailing: Midhun Mohan, midhun@me.com

Thank you for your contribution!

Peter Hutchinson (Cambridge, UK), B. Indira Devi (Bangalore, India), Amos Adeleye (Ibadan, Nigeria), Angelos Kolias (Cambridge, UK), Andres Rubiano (Bogotá, Colombia), Wellingson Paiva (São Paulo, Brazil), Franco Servadei (Milan, Italy), and Tariq Khan (Peshawar, Pakistan).


May 2021