• Melissa C Werndle, Samira Saadoun, Isaac Phang, Marek Czosnyka, Georgios Varsos, Zofia Czosnyka, Peter Smielewski, Ali Jamous, B Anthony Bell, Argyro Zoumprouli, and Marios C Papadopoulos.
• Academic Neurosurgery Unit, St George's, University of London, London, UK.
• Acta Neurochir. Suppl. 2016 Jan 1; 122: 323-8.

AbstractIntracranial pressure (ICP) is routinely measured in patients with severe traumatic brain injury (TBI). We describe a novel technique that allowed us to monitor intraspinal pressure (ISP) at the injury site in 14 patients who had severe acute traumatic spinal cord injury (TSCI), analogous to monitoring ICP after brain injury. A Codman probe was inserted subdurally to measure the pressure of the injured spinal cord compressed against the surrounding dura. Our key finding is that it is feasible and safe to monitor ISP for up to a week in patients after TSCI, starting within 72 h of the injury. With practice, probe insertion and calibration take less than 10 min. The ISP signal characteristics after TSCI were similar to the ICP signal characteristics recorded after TBI. Importantly, there were no associated complications. Future studies are required to determine whether reducing ISP improves neurological outcome after severe TSCI.

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