Ethical approval and consent to participate
The study was performed in accordance with the Declaration of Helsinki and approved by the Ethics Committee (Comité d’éthique pour la recherche en Anesthésie‐Réanimation - IRB 000102542019081), which waived the requirement for individual consent according to French law at the time of the study.
Consent for publication
Not applicable. No consent for publication was requested for this study in accordance to French law at the time of the study
Availability of supporting data
The anonymized datasets analysed during the current study are available from the corresponding author on reasonable request.
Competing interests
The authors have no personal financial or institutional interest in any of the drugs, materials, or devices described in this article.
Funding
No external funding has been obtained for this reasearch.
Authors’ contributions
Along with the first author (DC), PS and LV made substantial contributions to the conception and design, acquisition of data, and analysis and interpretation of data; TG, HD, OM, and NB were involved in drafting the manuscript and revising it critically for important intellectual content; SM and SB participated in designing and performing the statistical analyses; AA, DC, and LG were involved in data collection and preparation of the report. AR, HB, and ND assisted in the evaluation of the radiographic data. All authors read and approved the final manuscript.
Acknowledgements
We would like to thank to our ICU and neuroradiologist colleagues for supporting our study.
Authors’ information
David Couret, Department of Anaesthesiology and Critical Care Medicine, Aix Marseille Univ, University Hospital Timone, Marseille, France; Neurocritical Care Unit, University Hospital Saint Pierre, Réunion Univ, BP 350, Saint Pierre 97448 La Réunion, France; Reunion Island University, INSERM, Diabète Athérothrombose Réunion Océan Indien (DéTROI), Saint Denis de la Réunion, France. [email protected]
Salah Boussen, Department of Anaesthesiology and Critical Care Medicine, Aix Marseille Univ, University Hospital Timone, Marseille, France. [email protected]
Dan Cardoso, Department of Anaesthesiology and Critical Care Medicine, Aix Marseille Univ, University Hospital Timone, Marseille, France. [email protected]
Audrey Alonzo, Department of Anaesthesiology and Critical Care Medicine, Aix Marseille Univ, University Hospital Timone, Marseille, France. [email protected]
Sylvain Madec, Department of Anaesthesiology and Critical Care Medicine, Aix Marseille Univ, University Hospital Timone, Marseille, France. [email protected]
Anthony Reyre, Department of radiology, University Hospital Timone, Aix Marseille University, Marseille, France. [email protected]
Hervé Brunel, Department of radiology, University Hospital Timone, Aix Marseille University, Marseille, France. [email protected]
Nadine Girard, Department of radiology, University Hospital Timone, Aix Marseille University, Marseille, France. [email protected]
Thomas Graillon, Department of Neurosurgery, University Hospital Timone, Aix Marseille University, Marseille, France. [email protected]
Henry Dufour, Department of Neurosurgery, University Hospital Timone, Aix Marseille University, Marseille, France. [email protected]
Nicolas Bruder, Department of Anaesthesiology and Critical Care Medicine, Aix Marseille Univ, University Hospital Timone, Marseille, France. [email protected]
Pierre Simeone, Department of Anaesthesiology and Critical Care Medicine, Aix Marseille Univ, University Hospital Timone, Marseille, France; CNRS, INT, Inst Neurosci Timone, Aix Marseille Univ, Marseille, France. [email protected]
Olivier Meilhac, Reunion Island University, INSERM, Diabète Athérothrombose Réunion Océan Indien (DéTROI), Saint Denis de la Réunion, France. [email protected]
Lionel Velly, Department of Anaesthesiology and Critical Care Medicine, Aix Marseille Univ, University Hospital Timone, Marseille, France ; CNRS, INT, Inst Neurosci Timone, Aix Marseille Univ, Marseille, France. : [email protected]