Long-term reliability of the telemetric Neurovent-P-tel sensor: in vivo case report

Journal of Neurosurgery
Jorge Tirado-CaballeroJavier Marquez-Rivas

Abstract

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. After gastric bypass, normal ICP values were recorded, and the patient's visual fields improved. However, the patient experienced incapacitating daily headaches. The authors decided to implant a Codman Microsensor ICP transducer in the right frontal lobe to assess the long-term reliability of the Neurovent-P-tel measurements. A comparison of the recordings at 24 and 48 hours showed good correlation and reliability during long-term monitoring with the Neurovent-P-tel, with minimal zero drift after 11 months of implantation.

References

May 11, 1999·Annals of Surgery·H J SugermanE L Sugerman
Dec 24, 2005·Acta neurochirurgica·M Gelabert-GonzálezR M Rumbo
Nov 26, 2011·Acta Neurochirurgica. Supplement·Melanie SchmittMichael Kiefer
Dec 19, 2012·Neurología : publicación oficial de la Sociedad Española de Neurología·G Rodríguez-BotoJ Márquez-Rivas
Apr 16, 2014·Clinical Neurology and Neurosurgery·Alexander LiljaMarianne Juhler
Oct 27, 2015·Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery·Joel D HandleyJeffrey W Stephens
Dec 3, 2015·Critical Care : the Official Journal of the Critical Care Forum·Lucia ZacchettiNino Stocchetti
Feb 11, 2016·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Sara MagnéliPelle Nilsson
Apr 10, 2016·World Neurosurgery·Sebastian AntesJoachim Oertel

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Citations

Dec 3, 2020·British Journal of Neurosurgery·Stefanos I KorfiasDamianos E Sakas

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Methods Mentioned

BETA
Microsensor
sedation
gastric bypass

Software Mentioned

P -
Raumedic
Neurovent
LabChart

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