Comparative measuring of epidural pressure using the Spiegelberg probe
1 and ventricular fluid pressure was carried out in 15 neurosurgical
intensive-care patients. Deviations in both directions were establishe
d, with a trend toward overestimating ventricular pressure in epidural
pressure measuring (r = 0.77). Individual pulsations, spontaneous wav
e courses and therapy-induced pressure changes were reflected without
delays. There were no complications observed with probe implantation p
eriods for up to 6 days. The system has been shown to be mechanically
stable and easy to implant. We believe the device to be fit for trend
monitoring of intracranial pressure. As with other epidural pressure m
onitoring systems, false assessments of ventricular pressure may lead
to wrong decisions as to the required therapy.