Evidence map›Paper›PMID 33495910›Full record

ArticleNeurocritical care2021

Cerebrovascular Autoregulation Monitoring in the Management of Adult Severe Traumatic Brain Injury: A Delphi Consensus of Clinicians.

B Depreitere, G Citerio, M Smith, P David Adelson, M J Aries, T P Bleck, P Bouzat, R Chesnut, V De Sloovere, M Diringer and 15 more

Open access · hybridAbstract readConsensus Statement
In one paragraph

Article in Neurocritical care, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 65 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
65citing papers in PubMed, 3 pooled it
10.3field-weighted citation impact, top 1% 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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

65 citing papers in PubMed, 3 syntheses or guidelines pooled it, 118 citations in OpenAlex.

  1. Pooled it
  2. Reliability and validity of the mean flow index (Mx) for assessing cerebral autoregulation in humans: A systematic review of the methodology.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2022
    Pooled it
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  20. Individualized autoregulation-guided arterial blood pressure management in neurocritical care.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2025
    Review

5 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

25 authors at 20 institutions in 10 countries.

B DepreitereNeurosurgery, University Hospitals Leuven, Herestraat 49, B-3000, Leuven, Belgium. bart.depreitere@uzleuven.be.ORCID http://orcid.org/0000-0002-7458-0648
G CiterioIntensive Care Medicine, School of Medicine and Surgery, University of Milan-Bicocca, Milan, Italy.
M SmithNeurocritical Care Unit, National Hospital for Neurology and Neurosurgery, University College London, London, UK.
P David AdelsonBarrow Neurological Institute At Phoenix Childrens Hospital, Department of Child Health/Neurosurgery, University of Arizona College of Medicine, Tucson, AZ, USA.
M J AriesDepartment of Intensive Care, Maastricht University Medical Center, University of Maastricht, Maastricht, The Netherlands.
T P BleckDavee Department of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
P BouzatGrenoble Alps Trauma Center, Department of Anesthesiology and Intensive Care Medicine, Grenoble University Hospital, Grenoble, France.
R ChesnutDepartment of Neurological Surgery, Harborview Medical Center, University of Washington, Seattle, WA, USA.
V De SloovereAnesthesiology, University Hospitals Leuven, Leuven, Belgium.
M DiringerDepartment of Neurology, Barnes-Jewish Hospital, Washington University School of Medicine, St. Louis, MO, USA.
J DureanteauUniversité Paris Sud - Hôpitaux Universitaires Paris-Sud, Paris, France.
A ErcoleDivision of Anaesthesia, Department of Medicine, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK.
G HawrylukSection of Neurosurgery, University of Manitoba, Winnipeg, MB, Canada.
C HawthorneHead and Neck Anaesthesia and Neurocritical Care, Institute of Neurological Sciences, Glasgow, UK.
R HelbokDepartment of Neurology, Medical University of Innsbruck, Innsbruck, Austria.
S P KleinNeurosurgery, University Hospital Brussels, Brussels, Belgium.
J O NeumannDepartment of Neurosurgery, University of Heidelberg, Heidelberg, Germany.
C RobbaPoliclinico San Martino, IRCCS for Oncology and Neuroscience, Genova, Italy.
L SteinerAnesthesiology, University Hospital Basel, Basel, Switzerland.
N StocchettiDepartment of Physiopathology and Transplant, Milan University and Neuro ICU Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy.
F S TacconeDepartment of Intensive Care, Hôpital Erasme, Université Libre de Bruxelles (ULB), Brussels, Belgium.
A ValadkaDepartment of Neurosurgery, Virginia Commonwealth University, Richmond, VA, USA.
S WolfDepartment of Neurosurgery, University Hospital Berlin Charité, Berlin, Germany.
F A ZeilerDivision of Anaesthesia, Department of Medicine, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK.
G MeyfroidtIntensive Care Medicine, University Hospitals Leuven, Leuven, Belgium.
KU Leuven · BEUniversity of Cambridge · GBBarnes-Jewish Hospital · USBarrow Neurological Institute · USCentre Hospitalier Universitaire de Grenoble · FRCharité - Universitätsmedizin Berlin · DEFondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico · ITHeidelberg University · DEInnsbruck Medical University · ATMaastricht University · NLNational Hospital for Neurology and Neurosurgery · GBNorthwestern University · USOspedale Policlinico San Martino · ITUniversité Libre de Bruxelles · BEUniversité Paris-Sud · FRUniversity of Basel · CHUniversity of Manitoba · CAUniversity of Milano-Bicocca · ITUniversity of Washington · USVirginia Commonwealth University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSeveral methods have been proposed to measure cerebrovascular autoregulation (CA) in traumatic brain injury (TBI), but the lack of a gold standard and the absence of prospective clinical data on risks, impact on care and outcomes of implementation of CA-guided management lead to uncertainty.

aimTo formulate statements using a Delphi consensus approach employing a group of expert clinicians, that reflect current knowledge of CA, aspects that can be implemented in TBI management and CA research priorities.

methodsA group of 25 international academic experts with clinical expertise in the management of adult severe TBI patients participated in this consensus process. Seventy-seven statements and multiple-choice questions were submitted to the group in two online surveys, followed by a face-to-face meeting and a third online survey. Participants received feedback on average scores and the rationale for resubmission or rephrasing of statements. Consensus on a statement was defined as agreement of more than 75% of participants.

resultsConsensus amongst participants was achieved on the importance of CA status in adult severe TBI pathophysiology, the dynamic non-binary nature of CA impairment, its association with outcome and the inadvisability of employing universal and absolute cerebral perfusion pressure targets. Consensus could not be reached on the accuracy, reliability and validation of any current CA assessment method. There was also no consensus on how to implement CA information in clinical management protocols, reflecting insufficient clinical evidence.

conclusionThe Delphi process resulted in 25 consensus statements addressing the pathophysiology of impaired CA, and its impact on cerebral perfusion pressure targets and outcome. A research agenda was proposed emphasizing the need for better validated CA assessment methods as well as the focused investigation of the application of CA-guided management in clinical care using prospective safety, feasibility and efficacy studies.

Indexed as

Brain Injuries, TraumaticAdultCerebrovascular CirculationDelphi TechniqueHomeostasisHumansProspective StudiesReproducibility of ResultsAdultCerebral blood flowCerebral perfusion pressureConsensus developmentHomeostasisTraumatic brain injury

Identifiers

PMID33495910
PMCPMC8179892
OpenAlexW3123000868

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Registered trials

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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.