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Validation of a New Minimally Invasive Intracranial Pressure Monitoring Method by Direct Comparison with an Invasive Technique

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Part of the Acta Neurochirurgica Supplement book series (NEUROCHIRURGICA,volume 122)

Abstract

In this chapter we present in vivo experiments with a new minimally invasive method of monitoring intracranial pressure (ICP). Strain gauge deformation sensors are externally glued onto the exposed skull. The signal from these sensors is amplified, filtered, and sent to a computer with appropriate software for analysis and data storage. Saline infusions into the spinal channel of rats were performed to produce ICP changes, and minimally invasive ICP and direct Codman intraparenchymal ICP were simultaneously acquired in six animals. The similarity between the invasive and minimally invasive methods in response to ICP increase was assessed using Pearson’s correlation coefficient. It demonstrated good agreement between the two measures < r > = 0.8 ± 0.2, with a range of 0.31–0.99.

Keywords

  • Intracranial pressure (ICP)
  • Medical instrumentation
  • Minimally invasive system
  • Monitoring

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Acknowledgments

Conselho Nacional de Desenvolvimento e Pesquisa (CNPq), Fundação de Amparo a Pesquisa do Estado de São Paulo (FAPESP), Brazilian Ministry of Health Pan American Health Organization – World Health Organization (PAHO-WHO), and Sapra for financial support.

Conflict of Interest

ICM+ is a software program for brain monitoring in clinical/experimental neurosciences, licensed by Cambridge Enterprise Ltd (www.neurosurg.cam.ac.uk/icmplus). MC has an interest in part of the licensing fee. The remaining authors declare that they have no conflicts of interest.

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Correspondence to Sérgio Mascarenhas .

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Vilela, G.H.F. et al. (2016). Validation of a New Minimally Invasive Intracranial Pressure Monitoring Method by Direct Comparison with an Invasive Technique. In: Ang, BT. (eds) Intracranial Pressure and Brain Monitoring XV. Acta Neurochirurgica Supplement, vol 122. Springer, Cham. https://doi.org/10.1007/978-3-319-22533-3_19

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  • DOI: https://doi.org/10.1007/978-3-319-22533-3_19

  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-22532-6

  • Online ISBN: 978-3-319-22533-3

  • eBook Packages: MedicineMedicine (R0)