keyword
https://read.qxmd.com/read/34493231/long-term-telemetric-intracranial-pressure-monitoring-for-diagnosis-and-therapy-optimisation-of-idiopathic-intracranial-hypertension
#1
JOURNAL ARTICLE
Victor F Velazquez Sanchez, Giath Al Dayri, Christoph A Tschan
BACKGROUND: Idiopathic intracranial hypertension (IIH) is a disease which is difficult to diagnose and moreover difficult to treat. We developed a strategy for long-term telemonitoring of intracranial pressure (ICP), by incorporation of the NEUROVENT®-P-tel System, with the goal of improved diagnosis and consequent therapy of this disease. We highlight the results obtained through this approach. METHODS: Twenty patients with suspected IIH who were treated in our hospital from August 2014 to October 2020 (16 females, 4 males, median age 36,6 years), were assigned to one of two ICP monitoring settings, "Home-Telemonitoring" (n = 12) and "Home-Monitoring" (n = 8)...
September 7, 2021: BMC Neurology
https://read.qxmd.com/read/33263434/telemetric-intracranial-pressure-monitoring-our-experience-with-22-patients-investigated-for-intracranial-hypertension
#2
JOURNAL ARTICLE
Stefanos I Korfias, Stamatios Banos, Athanasia Alexoudi, Kostas Themistoklis, Efstathios Vlachakis, Panayiotis Patrikelis, Stergios Gatzonis, Damianos E Sakas
INTRODUCTION: We present the application of the Raumedic® P-tel telemetric device that monitors Intracranial Pressure (ICP) over long periods, in 22 patients, with suspected intracranial hypertension. METHODS: A telemetric device (Raumedic® , Neurovent® P-tel) was surgically implanted in 22 patients aged between 21 and 65 years. Among the patients, the inconclusive diagnosis of benign intracranial hypertension was set in 10, the possible diagnosis of postoperative hydrocephalus in 3, and the possible diagnosis of aqueduct stenosis in 2...
August 2021: British Journal of Neurosurgery
https://read.qxmd.com/read/33090189/using-optical-coherence-tomography-as-a-surrogate-of-measurements-of-intracranial-pressure-in-idiopathic-intracranial-hypertension
#3
MULTICENTER STUDY
Vivek Vijay, Susan P Mollan, James L Mitchell, Edward Bilton, Zerin Alimajstorovic, Keira A Markey, Anthony Fong, Jessica K Walker, Hannah S Lyons, Andreas Yiangou, Georgios Tsermoulas, Kristian Brock, Alexandra J Sinclair
Importance: There is an unmet need for noninvasive biomarkers of intracranial pressure (ICP), which manifests as papilledema that can be quantified by optical coherence tomography (OCT) imaging. Objective: To determine whether OCT of the optic nerve head in papilledema could act as a surrogate measure of ICP. Design, Setting, and Participants: This longitudinal cohort study used data collected from 3 randomized clinical trials that were conducted between April 1, 2014, and August 1, 2019...
December 1, 2020: JAMA Ophthalmology
https://read.qxmd.com/read/33069242/comparative-investigation-of-different-telemetric-methods-for-measuring-intracranial-pressure-a-prospective-pilot-study
#4
COMPARATIVE STUDY
S Rot, M Dweek, P Gutowski, L Goelz, U Meier, J Lemcke
OBJECTIVES: Measurement of intracranial pressure (ICP) plays an important role in long-term monitoring and neuro-intensive treatment of patients with a cerebral shunt. Currently, only two complete telemetric implants with different technical features are available worldwide. This prospective pilot study aims to examine patients who had both probes implanted at overlapping times for clinical reasons and represents the first in vivo comparison of both measurement methods. MATERIALS AND METHODS: Patients with a primary subarachnoid hemorrhage or a spontaneous intracerebral hemorrhage with ventricular hemorrhage who had received a telemetric ICP probe (Raumedic® NEUROVENT® -P-tel) were included in the study...
October 17, 2020: Fluids and Barriers of the CNS
https://read.qxmd.com/read/32495080/single-center-experiences-with-telemetric-intracranial-pressure-measurements-in-patients-with-csf-circulation-disturbances
#5
JOURNAL ARTICLE
Valentina Pennacchietti, Vincent Prinz, Andreas Schaumann, Tobias Finger, Matthias Schulz, Ulrich W Thomale
BACKGROUND: Hydrocephalus may present with heterogeneous signs and symptoms. The indication for its treatment and the optimal drainage in complex cases may be challenging. Telemetric intracranial pressure measurements (TICPM) may open new perspectives for those circumstances. We report our experiences using the Neurovent-P-tel and the Sensor Reservoir in a retrospective study. METHODS: A series of 21 patients (age range 10-39.5 years) treated in our Pediatric Neurosurgical Unit receiving a TICPM was analyzed...
June 3, 2020: Acta Neurochirurgica
https://read.qxmd.com/read/31309286/telemetric-intracranial-pressure-monitoring-in-children
#6
JOURNAL ARTICLE
Sarah Hornshøj Pedersen, Nicolas Hernandez Norager, Alexander Lilja-Cyron, Marianne Juhler
PURPOSE: Repeated intracranial pressure (ICP) measurements are essential in treatment of patients with complex cerebrospinal fluid (CSF) disorders. These patients often have a long surgical history with numerous invasive lumbar or intracranial pressure monitoring sessions and/or ventriculoperitoneal (VP) shunt revisions. Telemetric ICP monitoring might be an advantageous tool in treatment of these patients. In this paper, we evaluate our experience with this technology in paediatric patients...
January 2020: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://read.qxmd.com/read/30898734/deciding-on-appropriate-telemetric-intracranial-pressure-monitoring-system
#7
JOURNAL ARTICLE
Nicolas Hernandez Norager, Alexander Lilja-Cyron, Torben Skovbo Hansen, Marianne Juhler
BACKGROUND: The clinical advantage of telemetric intracranial pressure (ICP) monitoring has previously been limited by issues with inaccuracy and zero-drift. Today, 2 comparable telemetric ICP monitoring systems are available performing adequately in these parameters. The objective of this study is to identify appropriate uses of each system. METHODS: The 2 telemetric ICP monitoring systems from Raumedic (implant: Neurovent-P-tel) and Miethke (implant: Sensor Reservoir) are compared in terms of fundamental differences, sensor survival, monitoring possibilities, complications, and cost/benefit...
June 2019: World Neurosurgery
https://read.qxmd.com/read/30768137/long-term-effect-of-decompressive-craniectomy-on-intracranial-pressure-and-possible-implications-for-intracranial-fluid-movements
#8
JOURNAL ARTICLE
Alexander Lilja-Cyron, Morten Andresen, Jesper Kelsen, Trine Hjorslev Andreasen, Kåre Fugleholm, Marianne Juhler
BACKGROUND: Decompressive craniectomy (DC) is used in cases of severe intracranial hypertension or impending intracranial herniation. DC effectively lowers intracranial pressure (ICP) but carries a risk of severe complications related to abnormal ICP and/or cerebrospinal fluid (CSF) circulation, eg, hygroma formation, hydrocephalus, and "syndrome of the trephined." OBJECTIVE: To study the long-term effect of DC on ICP, postural ICP regulation, and intracranial pulse wave amplitude (PWA)...
February 1, 2020: Neurosurgery
https://read.qxmd.com/read/30267207/telemetry-in-intracranial-pressure-monitoring-sensor-survival-and-drift
#9
JOURNAL ARTICLE
Nicolas Hernandez Norager, Alexander Lilja-Cyron, Carsten Reidies Bjarkam, Sara Duus, Marianne Juhler
BACKGROUND: Telemetric intracranial pressure (ICP) monitoring enable long-term ICP monitoring on patients during normal day activities and may accordingly be of use during evaluation and treatment of complicated ICP disorders. However, the benefits of such equipment depend strongly on the validity of the recordings and how often the telemetric sensor needs to be re-implanted. This study investigates the clinical and technical sensor survival time and drift of the telemetric ICP sensor: Raumedic Neurovent-P-tel...
November 2018: Acta Neurochirurgica
https://read.qxmd.com/read/30168735/long-term-reliability-of-the-telemetric-neurovent-p-tel-sensor-in-vivo-case-report
#10
JOURNAL ARTICLE
Jorge Tirado-Caballero, Andres Muñoz-Nuñez, Santiago Rocha-Romero, Mónica Rivero-Garvía, Emilio Gomez-González, Javier Marquez-Rivas
Intracranial pressure (ICP) measurements are imperative for the proper diagnosis and treatment of several neurological disorders. Telemetric sensors have shown their utility for ICP estimation in short-term monitoring in humans. However, their long-term reliability is uncertain. The authors present the case of a 37-year-old woman diagnosed with benign intracranial hypertension and obesity. The patient underwent gastric bypass surgery for ICP control. In order to monitor ICP before and after bariatric surgery, a Neurovent-P-tel sensor was implanted in the left frontal lobe...
August 31, 2018: Journal of Neurosurgery
https://read.qxmd.com/read/29648985/feasibility-of-telemetric-intracranial-pressure-monitoring-in-the-neuro-intensive-care-unit
#11
JOURNAL ARTICLE
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...
July 15, 2018: Journal of Neurotrauma
https://read.qxmd.com/read/27060515/telemetric-intracranial-pressure-monitoring-with-the-raumedic-neurovent-p-tel
#12
JOURNAL ARTICLE
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
https://read.qxmd.com/read/26861131/telemetric-intracranial-pressure-monitoring-a-noninvasive-method-to-follow-up-children-with-complex-craniosynostoses-a-case-report
#13
JOURNAL ARTICLE
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
https://read.qxmd.com/read/24731573/clinical-experience-with-telemetric-intracranial-pressure-monitoring-in-a-danish-neurosurgical-center
#14
JOURNAL ARTICLE
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
https://read.qxmd.com/read/24264382/feasibility-of-telemetric-icp-guided-valve-adjustments-for-complex-shunt-therapy
#15
JOURNAL ARTICLE
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
https://read.qxmd.com/read/24192757/large-scale-referencing-of-the-telemetric-neurovent-p-tel-intracranial-pressure-sensor-in-a-porcine-model
#16
JOURNAL ARTICLE
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
https://read.qxmd.com/read/22327674/telemetric-icp-measurement-with-the-first-ce-approved-device-data-from-animal-experiments-and-initial-clinical-experiences
#17
JOURNAL ARTICLE
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
https://read.qxmd.com/read/22327673/intracranial-pressure-telemetry-first-experience-of-an-experimental-in-vivo-study-using-a-new-device
#18
JOURNAL ARTICLE
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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