title: Accuracy of different routes of intracranial pressure (ICP) monitoring using microtransducers.
abstract: Intracranial pressure (ICP) monitoring using microtransducer and intraventricular pressure (IVP) was compared simultaneously in 20 consecutive head-injured patients within a 1-year period. In the first four patients with subdurally placed transducers, an acceptable corresponding rate with IVP was demonstrated (88%). In the remaining 16 patients with extradurally placed transducers, acceptable accuracy (73%) was only achieved in the last four. This accuracy was repeated in an additional six patients with extradurally placed transducers (75% corresponding with IVP). We have therefore suggested that, before extradural pressure monitoring can be employed alone in clinical practice, a comparison with IVP should be performed.
authors.affiliation: Neurosurgical Unit, Department of Surgery, Prince of Wales Hospital, Chinese University of Hong Kong, Shatin, Hong Kong.
authors.forename: W S
authors.initials: WS
authors.lastname: Poon
authors.forename: A K
authors.initials: AK
authors.lastname: Li