Acta Neurochirurgica

, Volume 155, Issue 11, pp 2141–2148 | Cite as

The complications and the position of the Codman MicroSensor™ ICP device: an analysis of 549 patients and 650 Sensors

  • Lars-Owe D. KoskinenEmail author
  • David Grayson
  • Magnus Olivecrona
Clinical Article - Brain Injury



Complications of and insertion depth of the Codman MicroSensor ICP monitoring device (CMS) is not well studied.


To study complications and the insertion depth of the CMS in a clinical setting.


We identified all patients who had their intracranial pressure (ICP) monitored using a CMS device between 2002 and 2010. The medical records and post implantation computed tomography (CT) scans were analyzed for occurrence of infection, hemorrhage and insertion depth.


In all, 549 patients were monitored using 650 CMS. Mean monitoring time was 7.0 ± 4.9 days. The mean implantation depth was 21.3 ± 11.1 mm (0–88 mm). In 27 of the patients, a haematoma was identified; 26 of these were less than 1 ml, and one was 8 ml. No clinically significant bleeding was found. There was no statistically significant increase in the number of hemorrhages in presumed coagulopathic patients. The infection rate was 0.6 % and the calculated infection rate per 1,000 catheter days was 0.8.


The risk for hemorrhagic and infectious complications when using the CMS for ICP monitoring is low. The depth of insertion varies considerably and should be taken into account if patients are treated with head elevation, since the pressure is measured at the tip of the sensor. To meet the need for ICP monitoring, an intraparenchymal ICP monitoring device should be preferred to the use of an external ventricular drainage (EVD).


ICP monitoring Complications Position Codman MicroSensor 


Conflicts of interest


Financial support

Financial support was received from the regional agreement between Umeå University and Västerbotten County Council on cooperation in the fields of Medicine, Odontology, and Health (ALF), and the Department of Neurosurgery at the Umeå university hospital is acknowledged. The authors and the institution have no financial interest in the materials and devices described in this report.


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Copyright information

© Springer-Verlag Wien 2013

Authors and Affiliations

  • Lars-Owe D. Koskinen
    • 1
    Email author
  • David Grayson
    • 1
  • Magnus Olivecrona
    • 1
  1. 1.Department of Pharmacology and Clinical Neuroscience, Division of NeurosurgeryUmeå UniversityUmeåSweden

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