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Related Concept Videos

Increased Intracranial Pressure ll: Pathophysiology01:29

Increased Intracranial Pressure ll: Pathophysiology

Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins with...
Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...

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A Detailed Protocol for Physiological Parameters Acquisition and Analysis in Neurosurgical Critical Patients
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Forecasting intracranial pressure elevation using pulse waveform morphology.

Robert Hamilton1, Peng Xu, Shadnaz Asgari

  • 1Neural Systems and Dynamics Laboratory, Department of Neurosurgery, University of California, Los Angeles, CA, USA. rhamilton@mednet.ucla.edu

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|December 8, 2009
PubMed
Summary
This summary is machine-generated.

We developed a quantitative method to predict intracranial pressure (ICP) elevations in traumatic brain injury (TBI) patients. This approach can forecast harmful ICP spikes 20 minutes in advance, improving patient outcomes.

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Area of Science:

  • Neuroscience
  • Medical Technology
  • Intensive Care Medicine

Background:

  • Intracranial pressure (ICP) management is critical after traumatic brain injury (TBI) to prevent secondary brain damage.
  • Current ICP management in ICUs is reactive, often addressing elevations after they occur.

Purpose of the Study:

  • To develop and validate a quantitative, predictive method for intracranial pressure (ICP) elevations.
  • To enable proactive management of intracranial hypertension (IH) in TBI patients.

Main Methods:

  • Continuous ICP monitoring in 37 TBI patients.
  • Utilized Morphological Clustering and Analysis of Intracranial Pressure (MOCAIP) algorithm to analyze ICP sub-peaks.
  • Employed a quadratic classifier (QDC) to identify predictive metrics from pre-intracranial hypertension (pre-IH) segments.

Main Results:

  • Analysis of ICP data segments preceding intracranial hypertension (IH) events.
  • Achieved 90% sensitivity and 75% specificity in predicting ICP elevation 5 minutes prior using selected metrics.

Conclusions:

  • The developed method, combining MOCAIP analysis and QDC classification, shows potential for predicting ICP elevation events.
  • This predictive capability could allow for intervention up to 20 minutes before an ICP elevation occurs.