Chapter title |
Characterisation of Supra- and Infratentorial ICP Profiles.
|
---|---|
Chapter number | 7 |
Book title |
Intracranial Pressure and Brain Monitoring XV
|
Published in |
Acta neurochirurgica Supplement, January 2016
|
DOI | 10.1007/978-3-319-22533-3_7 |
Pubmed ID | |
Book ISBNs |
978-3-31-922532-6, 978-3-31-922533-3
|
Authors |
Emmanuel Moyse, Maxime Ros, Fouad Marhar, Pascal Swider, Eric Albert Schmidt |
Editors |
Beng-Ti Ang |
Abstract |
In pathophysiology and clinical practice, the intracranial pressure (ICP) profiles in the supratentorial and infratentorial compartments are unclear. We know that the pressure within the skull is unevenly distributed, with demonstrated ICP gradients. We recorded and characterised the supra- and infratentorial ICP patterns to understand what drives the transtentorial ICP gradient.A 70-year-old man was operated on for acute cerebellar infarction. One supratentorial probe and one cerebellar probe were implanted. Both signals were recorded concurrently and analysed off-line. We calculated mean ICP, ICP pulse amplitude, respiratory waves, slow waves and the RAP index of supra- and infratentorial ICP signals. Then, we measured transtentorial difference and performed correlation analysis for every index.Supratentorial ICP mean was 8.5 mmHg lower than infratentorial ICP, but the difference lessens for higher values. Both signals across the tentorium showed close correlation. Supra- and infratentorial pulse amplitude, respiratory waves and slow waves also showed a high degree of correlation. The compensatory reserve (RAP) showed good correlation. In this case report, we demonstrate that the mean value of ICP is higher in the posterior fossa, with a strong correlation across the tentorium. All other ICP-derived parameters display a symmetrical profile. |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
Unknown | 14 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 3 | 21% |
Researcher | 3 | 21% |
Student > Master | 3 | 21% |
Student > Bachelor | 1 | 7% |
Professor > Associate Professor | 1 | 7% |
Other | 1 | 7% |
Unknown | 2 | 14% |
Readers by discipline | Count | As % |
---|---|---|
Medicine and Dentistry | 7 | 50% |
Nursing and Health Professions | 1 | 7% |
Biochemistry, Genetics and Molecular Biology | 1 | 7% |
Neuroscience | 1 | 7% |
Engineering | 1 | 7% |
Other | 0 | 0% |
Unknown | 3 | 21% |