Measurement of ICP (Intracranial Pressure) in the Brain

The continuous measurement of the ICP (intracranial pressure) is an invasive procedure used to determine the pressure inside the cranium.

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Indications of ICP Measurement

Due to the limited expansion volume of the brain on account of the firm cranium, the ICP increases as the volume increases inside the cranium. Therefore, a precise monitoring of the pressure in the inside of the cranium is very important, because the clinical symptoms are initially unspecific.
Indications for measuring the ICP are:

  • Severe craniocerebral injury
  • Significant subarachnoid bleeding
  • Tumors
  • Strokes
  • Hydrocephalus

  • Intraparenchyma and intraventricular cranial bleedings
  • Severe meningitis
  • For all polytraumatized patients
  • For all coma patients with unknown etiology

ICP Measuring Locations

The ICP (intracranial pressure) can be measured at different locations in the brain.

For measuring the ICP in the parenchyma, the NEUROVENT-P catheter measures the pressure directly in the brain tissue.

Various types of ventricular catheters are available for direct measurement of pressure in the ventricles. Due to the additional drainage function of the NEUROVENT catheter, excess cerebrospinal fluid (CSF) is drained from the ventricles. When draining the CSF. the elevated ICP is being lowered at the same time. Implantation of ventricular catheters is facilitated by various application tools such as a stylet or a guide wire. The NEUROVENT-Sleeve Housing is a unique design which enables ICP measurement in the parenchyma and CSF drainage in the ventricle. As an alternative, the NEUROVENT VP 16 is available for neuronavigation by means of a stylet.

To record the epidural pressure, the NEURODUR catheter is placed directly on the dura. The ICP is measured indirectly via the elastic dura.

Parenchymal ICP measurement from RAUMEDIC

Learn more about the implantation of the NEUROVENT-P with BOLT CH5 and the connection to a patient monitor.


Parenchyma ICP measurement


Ventricular ICP measurement with CSF drainage


For neuronavigation using a stylet

NEUROVENT-Sleeve Housing

Parenchyma ICP measurement and CSF drainage


Epidural ICP measurement

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