The Impact of Intracranial Pressure Telesensors: An Observational Propensity-Matched Control Analysis of Service Demand and Costs.


Journal

Neurosurgery
ISSN: 1524-4040
Titre abrégé: Neurosurgery
Pays: United States
ID NLM: 7802914

Informations de publication

Date de publication:
06 Mar 2024
Historique:
received: 13 09 2023
accepted: 06 01 2024
medline: 6 3 2024
pubmed: 6 3 2024
entrez: 6 3 2024
Statut: aheadofprint

Résumé

Implantable telemetric intracranial pressure (ICP) sensors (telesensors) enable routine, noninvasive ICP feedback, aiding clinical decision-making and attribution of pressure-related symptoms in patients with cerebrospinal fluid shunt systems. Here, we aim to explore the impact of these devices on service demand and costs in patients with adult hydrocephalus. We performed an observational propensity-matched control study, comparing patients who had an MScio/Sensor Reservoir (Christoph Miethke, GmbH & Co) against those with a nontelemetric reservoir inserted between March 2016 and March 2018. Patients were matched on demographics, diagnosis, shunt-type, and revision status. Service usage was recorded with frequencies of neurosurgical admissions, outpatient clinics, scans, and further surgical procedures in the 2 years before and after shunt insertion. In total, 136 patients, 73 telesensors, and 63 controls were included in this study (48 matched pairs). Telesensor use led to a significant decrease in neurosurgical inpatient admissions, radiographic encounters, and procedures including ICP monitoring. After multivariate adjustment, the mean cumulative saving after 2 years was £5236 ($6338) in telesensor patients (£5498 on matched pair analysis). On break-even analysis, cost-savings were likely to be achieved within 8 months of clinical use, postimplantation. Telesensor patients also experienced a significant reduction in imaging-associated radiation (4 mSv) over 2 years. The findings of this exploratory study reveal that telesensor implantation is associated with reduced service demand and provides net financial savings from an institutional perspective. Moreover, telesensor patients required fewer appointments, invasive procedures, and had less radiation exposure, indicating an improvement in both their experience and safety.

Sections du résumé

BACKGROUND AND OBJECTIVES OBJECTIVE
Implantable telemetric intracranial pressure (ICP) sensors (telesensors) enable routine, noninvasive ICP feedback, aiding clinical decision-making and attribution of pressure-related symptoms in patients with cerebrospinal fluid shunt systems. Here, we aim to explore the impact of these devices on service demand and costs in patients with adult hydrocephalus.
METHODS METHODS
We performed an observational propensity-matched control study, comparing patients who had an MScio/Sensor Reservoir (Christoph Miethke, GmbH & Co) against those with a nontelemetric reservoir inserted between March 2016 and March 2018. Patients were matched on demographics, diagnosis, shunt-type, and revision status. Service usage was recorded with frequencies of neurosurgical admissions, outpatient clinics, scans, and further surgical procedures in the 2 years before and after shunt insertion.
RESULTS RESULTS
In total, 136 patients, 73 telesensors, and 63 controls were included in this study (48 matched pairs). Telesensor use led to a significant decrease in neurosurgical inpatient admissions, radiographic encounters, and procedures including ICP monitoring. After multivariate adjustment, the mean cumulative saving after 2 years was £5236 ($6338) in telesensor patients (£5498 on matched pair analysis). On break-even analysis, cost-savings were likely to be achieved within 8 months of clinical use, postimplantation. Telesensor patients also experienced a significant reduction in imaging-associated radiation (4 mSv) over 2 years.
CONCLUSION CONCLUSIONS
The findings of this exploratory study reveal that telesensor implantation is associated with reduced service demand and provides net financial savings from an institutional perspective. Moreover, telesensor patients required fewer appointments, invasive procedures, and had less radiation exposure, indicating an improvement in both their experience and safety.

Identifiants

pubmed: 38445908
doi: 10.1227/neu.0000000000002893
pii: 00006123-990000000-01074
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Subventions

Organisme : UCLH Biomedical Research Centre

Informations de copyright

Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the Congress of Neurological Surgeons.

Références

Stagno V, Navarrete EA, Mirone G, Esposito F. Management of hydrocephalus around the World. World Neurosurg. 2013;79(2 Suppl):S23.e17-S23.e20.
Yamashita N, Kamiya K, Yamada K. Experience with a programmable valve shunt system. J Neurosurg. 1999;91(1):26-31.
Khawari S, Pandit A, Watkins L, Toma A, Thorne L. Can clinicians correctly predict intracranial pressure state based on clinical symptoms alone in shunted patients? J Neurosurg Sci. Published online November 23, 2023. doi: 10.23736/S0390-5616.23.06065-4.
Friedman DI, Quiros PA, Subramanian PS, et al. Headache in idiopathic intracranial hypertension: findings from the idiopathic intracranial hypertension treatment trial. Headache. 2017;57(8):1195-1205.
Antes S, Tschan CA, Heckelmann M, Breuskin D, Oertel J. Telemetric intracranial pressure monitoring with the raumedic neurovent P-tel. World Neurosurg. 2016;91:133-148.
Antes S, Stadie A, Müller S, Linsler S, Breuskin D, Oertel J. Intracranial pressure-guided shunt valve adjustments with the miethke sensor reservoir. World Neurosurg. 2018;109:e642-e650.
Freimann FB, Schulz M, Haberl H, Thomale UW. Feasibility of telemetric ICP-guided valve adjustments for complex shunt therapy. Childs Nerv Syst. 2014;30(4):689-697.
Adam A, Robison J, Lu J, et al. Abstracts from hydrocephalus 2016. Fluids Barriers CNS. 2017;14(Suppl 1):15.
Shellock FG, Knebel J, Prat AD. Evaluation of MRI issues for a new neurological implant, the Sensor Reservoir. Magn Reson Imaging. 2013;31(7):1245-1250.
Ertl P, Hermann E, Heissler H, Krauss J. Telemetric intracranial pressure recording via a shunt system integrated sensor: a safety and feasibility study. J Neurol Surg A, Cent Eur Neurosurg. 2017;78(6):572-575.
Siegel JE, Weinstein MC, Russell LB, Gold MR. Recommendations for reporting cost-effectiveness analyses. Panel on cost-effectiveness in health and medicine. JAMA. 1996;276(16):1339-1341.
Kline A, Luo Y. PsmPy: a package for retrospective cohort matching in python. Annu Int Conf IEEE Eng Med Biol Soc IEEE Eng Med Biol Soc Annu Int Conf. 2022;2022:1354-1357.
Ionising Radiation: Dose Comparisons. Accessed July 9, 2023. https://www.gov.uk/government/publications/ionising-radiation-dose-comparisons/ionising-radiation-dose-comparisons
Fernández-Méndez R, Richards HK, Seeley HM, et al. Current epidemiology of cerebrospinal fluid shunt surgery in the UK and Ireland (2004-2013). J Neurol Neurosurg Psychiatry. 2019;90(7):747-754.
Kameda M, Yamada S, Atsuchi M, et al. Cost-effectiveness analysis of shunt surgery for idiopathic normal pressure hydrocephalus based on the SINPHONI and SINPHONI-2 trials. Acta Neurochir. 2017;159(6):995-1003.
Tullberg M, Persson J, Petersen J, Hellström P, Wikkelsø C, Lundgren-Nilsson Å. Shunt surgery in idiopathic normal pressure hydrocephalus is cost-effective—a cost utility analysis. Acta Neurochir. 2018;160(3):509-518.
Mallucci CL, Jenkinson MD, Conroy EJ, et al. Antibiotic or silver versus standard ventriculoperitoneal shunts (BASICS): a multicentre, single-blinded, randomised trial and economic evaluation. Lancet. 2019;394(10208):1530-1539.
Bjornson A, Henderson D, Lawrence E, McMullan J, Ushewokunze S. The sensor reservoir—does it change management? Acta Neurochir. 2021;163(4):1087-1095.
Norager NH, Lilja-Cyron A, Hansen TS, Juhler M. Deciding on appropriate telemetric intracranial pressure monitoring system. World Neurosurg. 2019;126:564-569.
Müller SJ, Freimann FB, von der Brelie C, Rohde V, Schatlo B. Test-retest reliability of outpatient telemetric intracranial pressure measurements in shunt-dependent patients with hydrocephalus and idiopathic intracranial hypertension. World Neurosurg. 2019;131:e74-e80.
Pennacchietti V, Prinz V, Schaumann A, Finger T, Schulz M, Thomale UW. Single center experiences with telemetric intracranial pressure measurements in patients with CSF circulation disturbances. Acta Neurochir. 2020;162(10):2487-2497.
Richard KE, Block FR, Weiser RR. First clinical results with a telemetric shunt-integrated ICP-sensor. Neurol Res. 1999;21(1):117-120.
Pedersen SH, Norager NH, Lilja-Cyron A, Juhler M. Telemetric intracranial pressure monitoring in children. Childs Nerv Syst. 2020;36(1):49-58.
Norager NH, Lilja-Cyron A, Bjarkam CR, Duus S, Juhler M. Telemetry in intracranial pressure monitoring: sensor survival and drift. Acta Neurochir. 2018;160(11):2137-2144.

Auteurs

Anand S Pandit (AS)

Victor Horsley Department of Neurosurgery, National Hospital for Neurology & Neurosurgery, London, UK.
High-Dimensional Neurology, Institute of Neurology, University College London, London, UK.

Muhammad A Kamal (MA)

Victor Horsley Department of Neurosurgery, National Hospital for Neurology & Neurosurgery, London, UK.

Gerda Reischer (G)

Victor Horsley Department of Neurosurgery, National Hospital for Neurology & Neurosurgery, London, UK.

Yousif Aldabbagh (Y)

UCL Medical School, Faculty of Medical Sciences, University College London, London, UK.

Mohammad Alradhawi (M)

UCL Medical School, Faculty of Medical Sciences, University College London, London, UK.

Faith M Y Lee (FMY)

UCL Medical School, Faculty of Medical Sciences, University College London, London, UK.

Priya P Sekhon (PP)

Victor Horsley Department of Neurosurgery, National Hospital for Neurology & Neurosurgery, London, UK.

Eleanor M Moncur (EM)

Victor Horsley Department of Neurosurgery, National Hospital for Neurology & Neurosurgery, London, UK.

Ptolemy D W Banks (PDW)

Victor Horsley Department of Neurosurgery, National Hospital for Neurology & Neurosurgery, London, UK.

Simon Thompson (S)

Victor Horsley Department of Neurosurgery, National Hospital for Neurology & Neurosurgery, London, UK.

Lewis Thorne (L)

Victor Horsley Department of Neurosurgery, National Hospital for Neurology & Neurosurgery, London, UK.

Laurence D Watkins (LD)

Victor Horsley Department of Neurosurgery, National Hospital for Neurology & Neurosurgery, London, UK.

Ahmed K Toma (AK)

Victor Horsley Department of Neurosurgery, National Hospital for Neurology & Neurosurgery, London, UK.

Classifications MeSH