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Intracranial pressure, its components and cerebrospinal fluid pressure-volume compensation
M Kasprowicz1, D A Lalou2, M Czosnyka3,4
1Department of Biomedical Engineering, Wroclaw University of Technology, Wroclaw, Poland.
Acta Neurologica Scandinavica
|December 16, 2015
Summary
Continuous intracranial pressure (ICP) monitoring and waveform analysis offer superior insights into cerebrospinal fluid (CSF) dynamics for hydrocephalus diagnosis and management compared to single measurements. This approach aids in prognostication and shunt assessment.
Area of Science:
- Neurology
- Biomedical Engineering
- Neurosurgery
Background:
- Clinical measurement of intracranial pressure (ICP) is crucial for diagnosing hydrocephalus.
- Hydrocephalus diagnosis often relies on intracranial pressure (ICP) measurements.
- Cerebrospinal fluid (CSF) dynamics are key to understanding hydrocephalus.
Purpose of the Study:
- To review the analysis of ICP and its components for investigating CSF dynamics.
- To present the role of ICP waveforms in hydrocephalus diagnosis, prognostication, and management.
- To highlight advanced ICP monitoring techniques over static measurements.
Main Methods:
- Analysis of ICP waveforms (pulse, slow, respiratory).
- Overnight ICP monitoring.
- Constant-rate CSF infusion studies with ICP signal processing and CSF circulation model analysis.
Main Results:
- Long-term ICP monitoring with waveform analysis provides detailed pressure-volume compensation information.
- Infusion studies assess CSF dynamics variables like outflow resistance and compliance.
- ICP parameters aid in hydrocephalus diagnosis, prognostication, and shunt malfunction assessment.
Conclusions:
- Dynamic ICP monitoring and waveform analysis are superior to 'snapshot' measurements for hydrocephalus evaluation.
- ICP signal processing and CSF circulation models offer valuable diagnostic and prognostic tools.
- These methods assist in assessing shunt function and patient management.
Keywords:
cerebrospinal fluid dynamicsconstant-rate infusion testintracranial pressureovernight monitoringMore Related Videos
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