Evidence map›Paper›PMID 28219399›Full record

Trial reportCritical care (London, England)2017

Noninvasive detection of alarming intracranial pressure changes by auditory monitoring in early management of brain injury: a prospective invasive versus noninvasive study.

Fabrice Giraudet, François Longeras, Aurélien Mulliez, Aurélie Thalamy, Bruno Pereira, Paul Avan, Laurent Sakka

Registry-linked trialOpen access · goldAbstract readClinical Trial
In one paragraph

Trial report in Critical care (London, England), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01685476 (Validation of a New Non Invasive Method for Intracranial Pressure Monitoring), which is not on this map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
1.2field-weighted citation impact, top 21% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT01685476 phase4completednot on this map

Validation of a New Non Invasive Method for Intracranial Pressure Monitoring

TypeinterventionalSponsorUniversity Hospital, Clermont-FerrandRan2011 to 2012Enrolled20ConditionsIntracranial Pressure, Traumatic Brain Injury, Stroke, Intracranial HemorrhagesArmsEchodia® hand-held equipment
3 · Its place in the literature

Who cites it

8 citing papers in PubMed, 19 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Non-Invasive Intracranial Pressure Monitoring.Journal of clinical medicine · 2023
    Review
  6. Article
  7. Article
  8. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 3 institutions in 1 country.

Fabrice GiraudetUniversity Clermont Auvergne, Laboratory of Neurosensory Biophysics, UMR INSERM 1107, Clermont-Ferrand, France.
François LongerasDepartment of Anesthesiology and Intensive Care, University Hospital, rue Montalembert, Clermont-Ferrand, 63000, France.
Aurélien MulliezDepartment of Biostatistics, University Hospital, PO Box 69, Clermont-Ferrand, 63003, France.
Aurélie ThalamyDepartment of Clinical Research and Innovation, University Hospital, PO Box 69, Clermont-Ferrand, 63003, France.
Bruno PereiraDepartment of Biostatistics, University Hospital, PO Box 69, Clermont-Ferrand, 63003, France.
Paul AvanUniversity Clermont Auvergne, Laboratory of Neurosensory Biophysics, UMR INSERM 1107, Clermont-Ferrand, France. paul.avan@udamail.fr.ORCID 0000-0003-1054-1479
Laurent SakkaUniversity Clermont Auvergne, Laboratory of Neurosensory Biophysics, UMR INSERM 1107, Clermont-Ferrand, France.
Inserm · FRUniversité Clermont Auvergne · FRCentre Hospitalier Universitaire de Clermont-Ferrand · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIn brain-injured patients intracranial pressure (ICP) is monitored invasively by a ventricular or intraparenchymal transducer. The procedure requires specific expertise and exposes the patient to complications such as malposition, hemorrhage or infection. As inner-ear fluid compartments are connected to the cerebrospinal fluid space, ICP changes elicit subtle changes in the physiology of the inner ear. Notably, we previously demonstrated that the phase of cochlear microphonic potential (CM) generated by sound stimuli rotates with ICP. The aim of our study was to validate the monitoring of CM as a noninvasive method to follow ICP.

methodsNon-invasive measure of CM-phase was compared to ICP recorded invasively in a prospective series of patients with acute brain injury managed in a neuro-intensive care unit. The study focused on patients with varying ICP and normal middle-ear function.

resultsIn the 24 patients with less than 4 days of endotracheal ventilation and whose ICP fluctuated (50-hour data), we demonstrated close correlation between CM-phase rotation and ICP (average 1.26 degrees/mmHg). As a binary classifier, CM phase changes of 7-10 degrees signaled 7.5-mmHg ICP increases with a sensitivity of 83% and 19% fallout.

conclusionReference methods to measure ICP require the surgical placement of a pressure transducer. Noninvasive CM-based monitoring of ICP might be beneficial to early management of brain-injured patients with initially preserved consciousness and to the diagnosis of neurological conditions, whenever invasive monitoring cannot be performed.

trial registrationClinicalTrials.gov NCT01685476 , registered on 30 August 2012.

Indexed as

AdultBrainBrain InjuriesElectrophysiological PhenomenaFemaleHumansIntensive Care UnitsIntracranial PressureLinear ModelsMaleMiddle AgedMonitoring, PhysiologicOrgan Dysfunction ScoresProspective StudiesROC CurveCochlear electrophysiologyIntracranial pressureNoninvasive monitoring

Identifiers

PMID28219399
PMCPMC5319090
OpenAlexW2590017407

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.