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Alexander Lilja-Cyron, Jesper Kelsen, Morten Andresen, Kåre Fugleholm, Marianne Juhler
Intracranial pressure (ICP) monitoring is crucial in the management of acute neurosurgical conditions such as traumatic brain injury (TBI). However, pathological ICP may persist beyond the admission to the neuro intensive care unit (NICU). We investigated the feasibility of telemetric ICP monitoring in the NICU, as this technology provides the possibility of long-term ICP assessment beyond NICU discharge. In this prospective investigation, we implanted telemetric ICP sensors (Raumedic Neurovent-P-tel) instead of conventional, cabled ICP sensors in patients undergoing decompressive craniectomy...
March 16, 2018: Journal of Neurotrauma
Sebastian Antes, Christoph A Tschan, Michael Heckelmann, David Breuskin, Joachim Oertel
BACKGROUND: Devices enabling long-term intracranial pressure monitoring have been demanded for some time. The first solutions using telemetry were proposed in 1967. Since then, many other wireless systems have followed but some technical restrictions have led to unacceptable measurement uncertainties. In 2009, a completely revised telemetric pressure device called Neurovent P-tel was introduced to the market. This report reviews technical aspects, handling, possibilities of data analysis, and the efficiency of the probe in clinical routine...
July 2016: World Neurosurgery
Sara Magnéli, Timothy Howells, Daniel Saiepour, Daniel Nowinski, Per Enblad, Pelle Nilsson
INTRODUCTION: There are no reliable noninvasive methods of monitoring ICP. Most assessments are made by indirect measures and are difficult to follow over time. Invasive studies can be used but up until now have required in-hospital transcutaneous measurements. Accurate ICP recordings over longer periods of time can be very valuable in timing different surgical procedures in syndromal cases. This case shows that telemetric ICP monitoring can be used for long-term follow-up in patients that may need repeated surgeries related to their craniosynostosis condition...
July 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Alexander Lilja, Morten Andresen, Amer Hadi, Dorthe Christoffersen, Marianne Juhler
BACKGROUND: Monitoring of intracranial pressure (ICP) is important in the optimal treatment of various neurological and neurosurgical diseases. Telemetric ICP monitoring allows long-term measurements in the patient's everyday life and the possibility to perform additional measurements without the procedure related risks of repeated transducer insertions. MATERIALS AND METHODS: We identified all patients in our clinic with an implanted Raumedic(®) telemetric ICP probe (NEUROVENT(®)-P-tel)...
May 2014: Clinical Neurology and Neurosurgery
Florian Baptist Freimann, Matthias Schulz, Hannes Haberl, Ulrich-Wilhelm Thomale
OBJECT: The advances in shunt valve technology towards modern adjustable differential pressure (DP) valves and adjustable gravitational assisted valves result in an increasing complexity of therapeutical options. Modern telemetric intracranial pressure (ICP) sensors may be helpful in their application for diagnostic purposes in shunt therapy. We present our first experiences on telemetric ICP-guided valve adjustments in cases with the combination of an adjustable DP valve and adjustable gravitational unit...
April 2014: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Florian Baptist Freimann, Christian Sprung, Sascha Santosh Chopra, Peter Vajkoczy, Stefan Wolf
The Neurovent-P-tel sensor is a promising device for telemetric intracranial pressure (ICP) measurements in cases of complex hydrocephalus. Data on its accuracy within a broad ICP range are missing. We applied a porcine model for large-scale manipulation of the ICP values. The telemetric ICP sensor was referenced against ICP values measured directly from a water column within a riser tube. A total of 34 comparative ICP measurements within an ICP range from 2 cm H2O to 31 mm Hg were performed. The mean difference between both measurement techniques was 0...
2013: Pediatric Neurosurgery
Michael Kiefer, Sebastian Antes, Steffen Leonhardt, Melanie Schmitt, Berk Orakcioglu, Oliver W Sakowitz, Regina Eymann
The objective was to evaluate the qualification of the new telemetric intracranial pressure (ICP) measurement (t-ICP) device Raumedic(®) NEUROVENT P-Tel and S-Tel. The proof of concept was examined in a pilot animal study measuring intraperitoneal pressure with a telemetric and a conventional ICP measurement probe at five rates for 1 h each. Moderate external pressure load allowed measuring values between 0 and 40 mmHg. To estimate long-term performance 18 t-ICP devices were implanted subdurally or intraparenchymally into minipigs...
2012: Acta Neurochirurgica. Supplement
Berk Orakcioglu, Christopher Beynon, Modar M Kentar, Regina Eymann, Michael Kiefer, Oliver W Sakowitz
OBJECTIVE: To test two new telemetric intracranial pressure (ICP) probes (NEUROVENT(®)-P-tel, NEUROVENT(®)-S-tel) in a porcine model. We aimed to intraoperatively correlate the telemetric probes to parenchymal ICP probes and study their reliability in the first hours after implantation. The experimental set-up, new telemetric technology and first data will be presented. METHODS: We implanted a right parietal (parenchymal) and left parietal (subdural) telemetric ICP probe in 13 Göttingen mini-pigs under general anaesthesia...
2012: Acta Neurochirurgica. Supplement
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