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Wahlster S, Sharma M, Taran S, Town JA, Stevens RD, Cinotti R, Asehnoune K, Robba C. Associations between Driving Pressure and Clinical Outcomes in Acute Brain Injury: A Subanalysis of ENIO. Am J Respir Crit Care Med 2024; 209:1400-1404. [PMID: 38502247 PMCID: PMC11146561 DOI: 10.1164/rccm.202402-0402le] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 03/18/2024] [Indexed: 03/21/2024] Open
Affiliation(s)
- Sarah Wahlster
- Department of Neurology
- Department of Neurological Surgery, and
- Department of Anesthesiology and Pain Medicine, Harborview Medical Center, University of Washington, Seattle, Washington
| | | | - Shaurya Taran
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada
| | - James A. Town
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, Washington
| | - Robert D. Stevens
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Raphaël Cinotti
- Department of Anesthesiology and Critical Care, Centre Hospitalier Universitaire Nantes, Nantes University, Nantes, France
| | - Karim Asehnoune
- Department of Anesthesiology and Critical Care, Centre Hospitalier Universitaire Nantes, Nantes University, Nantes, France
| | - Chiara Robba
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy; and
- Anesthesia and Critical Care, San Martino Policlinico Hospital, Scientific Institute for Research, Hospitalization and Healthcare for Oncology and Neurosciences, Genoa, Italy
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Cinotti R, Taran S, Stevens RD. Setting the ventilator in acute brain injury. Intensive Care Med 2024:10.1007/s00134-024-07476-7. [PMID: 38771363 DOI: 10.1007/s00134-024-07476-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2024] [Indexed: 05/22/2024]
Affiliation(s)
- Raphaël Cinotti
- Department of Anaesthesia and Critical Care, CHU Nantes, Nantes Université, Hôtel Dieu, 44000, Nantes, France.
- UMR 1246 SPHERE "Methods in Patients-Centered Outcomes and HEalth Research", University of Nantes, University of Tours, INSERM, IRS2 22 Boulevard Benoni Goulin, 44200, Nantes, France.
| | - Shaurya Taran
- Toronto Western Hospital, University Health Network, Toronto, ON, Canada
- Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
| | - Robert D Stevens
- Departments of Anesthesiology and Critical Care Medicine, Biomedical and Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD, USA
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Robateau Z, Lin V, Wahlster S. Acute Respiratory Failure in Severe Acute Brain Injury. Crit Care Clin 2024; 40:367-390. [PMID: 38432701 DOI: 10.1016/j.ccc.2024.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
Acute respiratory failure is commonly encountered in severe acute brain injury due to a multitude of factors related to the sequelae of the primary injury. The interaction between pulmonary and neurologic systems in this population is complex, often with competing priorities. Many treatment modalities for acute respiratory failure can result in deleterious effects on cerebral physiology, and secondary brain injury due to elevations in intracranial pressure or impaired cerebral perfusion. High-quality literature is lacking to guide clinical decision-making in this population, and deliberate considerations of individual patient factors must be considered to optimize each patient's care.
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Affiliation(s)
- Zachary Robateau
- Department of Neurology, University of Washington, Seattle, USA.
| | - Victor Lin
- Department of Neurology, University of Washington, Seattle, USA
| | - Sarah Wahlster
- Department of Neurology, University of Washington, Seattle, USA; Department of Neurological Surgery, University of Washington, Seattle, USA; Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, USA
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Sanfilippo F, Uryga A, Ball L, Battaglini D, Iavarone IG, Smielewski P, Beqiri E, Czosnyka M, Patroniti N, Robba C. The Effect of Recruitment Maneuvers on Cerebrovascular Dynamics and Right Ventricular Function in Patients with Acute Brain Injury: A Single-Center Prospective Study. Neurocrit Care 2024:10.1007/s12028-024-01939-x. [PMID: 38351299 DOI: 10.1007/s12028-024-01939-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 01/03/2024] [Indexed: 02/29/2024]
Abstract
BACKGROUND Optimization of ventilatory settings is challenging for patients in the neurointensive care unit, requiring a balance between precise gas exchange control, lung protection, and managing hemodynamic effects of positive pressure ventilation. Although recruitment maneuvers (RMs) may enhance oxygenation, they could also exert profound undesirable systemic impacts. METHODS The single-center, prospective study investigated the effects of RMs (up-titration of positive end-expiratory pressure) on multimodal neuromonitoring in patients with acute brain injury. Our primary focus was on intracranial pressure and secondarily on cerebral perfusion pressure (CPP) and other neurological parameters: cerebral autoregulation [pressure reactivity index (PRx)] and regional cerebral oxygenation (rSO2). We also assessed blood pressure and right ventricular (RV) function evaluated using tricuspid annular plane systolic excursion. Results are expressed as the difference (Δ) from baseline values obtained after completing the RMs. RESULTS Thirty-two patients were enrolled in the study. RMs resulted in increased intracranial pressure (Δ = 4.8 mm Hg) and reduced CPP (ΔCPP = -12.8 mm Hg) and mean arterial pressure (difference in mean arterial pressure = -5.2 mm Hg) (all p < 0.001). Cerebral autoregulation worsened (ΔPRx = 0.31 a.u.; p < 0.001). Despite higher systemic oxygenation (difference in partial pressure of O2 = 4 mm Hg; p = 0.001) and unchanged carbon dioxide levels, rSO2 marginally decreased (ΔrSO2 = -0.5%; p = 0.031), with a significant drop in arterial content and increase in the venous content. RV systolic function decreased (difference in tricuspid annular plane systolic excursion = -0.1 cm; p < 0.001) with a tendency toward increased RV basal diameter (p = 0.06). Grouping patients according to ΔCPP or ΔPRx revealed that those with poorer tolerance to RMs had higher CPP (p = 0.040) and a larger RV basal diameter (p = 0.034) at baseline. CONCLUSIONS In patients with acute brain injury, RMs appear to have adverse effects on cerebral hemodynamics. These findings might be partially explained by RM's impact on RV function. Further advanced echocardiography monitoring is required to prove this hypothesis.
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Affiliation(s)
- Filippo Sanfilippo
- Department of General Surgery and Medico-Surgical Specialties, School of Anaesthesia and Intensive Care, University of Catania, Catania, Italy
| | - Agnieszka Uryga
- Department of Biomedical Engineering, Wroclaw University of Science and Technology, Wrocław, Poland
| | - Lorenzo Ball
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, Genoa, Italy
- Anesthesia and Intensive Care, IRCCS Policlinico San Martino, Largo Rosanna Benzi, 16100, Genoa, Italy
| | - Denise Battaglini
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, Genoa, Italy
| | - Ida Giorgia Iavarone
- Anesthesia and Intensive Care, IRCCS Policlinico San Martino, Largo Rosanna Benzi, 16100, Genoa, Italy
| | - Peter Smielewski
- Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
| | - Erta Beqiri
- Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
| | - Marek Czosnyka
- Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
| | - Nicolò Patroniti
- Department of Biomedical Engineering, Wroclaw University of Science and Technology, Wrocław, Poland
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, Genoa, Italy
| | - Chiara Robba
- Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genoa, Genoa, Italy.
- Anesthesia and Intensive Care, IRCCS Policlinico San Martino, Largo Rosanna Benzi, 16100, Genoa, Italy.
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Taran S, Stevens RD, Perrot B, McCredie VA, Cinotti R, Asehnoune K, Pelosi P, Robba C. Incidence and Outcomes of Acute Respiratory Distress Syndrome in Brain-Injured Patients Receiving Invasive Ventilation: A Secondary Analysis of the ENIO Study. J Intensive Care Med 2024; 39:136-145. [PMID: 37563968 PMCID: PMC10771027 DOI: 10.1177/08850666231194532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
Background: Acute respiratory distress syndrome (ARDS) is an important pulmonary complication in brain-injured patients receiving invasive mechanical ventilation (IMV). We aimed to evaluate the incidence and association between ARDS and clinical outcomes in patients with different forms of acute brain injury requiring IMV in the intensive care unit (ICU). Methods: This was a preplanned secondary analysis of a prospective, multicenter, international cohort study (NCT03400904). We included brain-injured patients receiving IMV for ≥ 24 h. ARDS was the main exposure of interest and was identified during index ICU admission using the Berlin definition. We examined the incidence and adjusted association of ARDS with ICU mortality, ICU length of stay, duration of IMV, and extubation failure. Outcomes were evaluated using mixed-effect logistic regression and cause-specific Cox proportional hazards models. Results: 1492 patients from 67 hospitals and 16 countries were included in the analysis, of whom 137 individuals developed ARDS (9.2% of overall cohort). Across countries, the median ARDS incidence was 5.1% (interquartile range [IQR] 0-10; range 0-27.3). ARDS was associated with increased ICU mortality (adjusted odds ratio (OR) 2.66; 95% confidence interval [CI], 1.29-5.48), longer ICU length of stay (adjusted hazard ratio [HR] 0.59; 95% CI, 0.48-0.73), and longer duration of IMV (adjusted HR 0.54; 95% CI, 0.44-0.67). The association between ARDS and extubation failure approached statistical significance (adjusted HR 1.48; 95% CI 0.99-2.21). Higher ARDS severity was associated with incrementally longer ICU length of stay and longer cumulative duration of IMV. Findings remained robust in a sensitivity analysis evaluating the magnitude of unmeasured confounding. Conclusions: In this cohort of acutely brain-injured patients, the incidence of ARDS was similar to that reported in other mixed cohorts of critically ill patients. Development of ARDS was associated with worse outcomes.
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Affiliation(s)
- Shaurya Taran
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Robert D. Stevens
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Department of Biomedical Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Bastien Perrot
- UMR 1246 MethodS in Patient-centered outcomes and HEalth REsearch, SPHERE, Nantes Université, Tours Université, Nantes, France
| | - Victoria A. McCredie
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
| | - Raphael Cinotti
- UMR 1246 MethodS in Patient-centered outcomes and HEalth REsearch, SPHERE, Nantes Université, Tours Université, Nantes, France
- Department of Anaesthesia and Critical Care, CHU Nantes, Nantes Université, Hôtel-Dieu, Nantes, France
| | - Karim Asehnoune
- Department of Anaesthesia and Critical Care, CHU Nantes, Nantes Université, Hôtel-Dieu, Nantes, France
| | - Paolo Pelosi
- Anesthesia and Critical Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Chiara Robba
- Anesthesia and Critical Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
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Damiani LF, Basoalto R, Retamal J, Bruhn A, Bugedo G. Mechanical Power of Ventilation: From Computer to Clinical Implications. Respir Care 2023; 68:1748-1756. [PMID: 37935527 PMCID: PMC10676264 DOI: 10.4187/respcare.11462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Mechanical ventilation is a lifesaving intervention that may also induce further lung injury by exerting excessive mechanical forces on susceptible lung tissue, a phenomenon termed ventilator-induced lung injury (VILI). The concept of mechanical power (MP) aims to unify in one single variable the contribution of the different ventilatory parameters that could induce VILI by measuring the energy transfer to the lung over time. Despite an increasing amount of evidence demonstrating that high MP values can be associated with VILI development in experimental studies, the evidence regarding the association of MP and clinical outcomes remains controversial. In the present review, we describe the different determinants of VILI, the concept and computation of MP, and discuss the experimental and clinical studies related to MP. Currently, due to different limitations, the clinical application of MP is debatable. Further clinical studies are required to enhance our understanding of the relationship between MP and the development of VILI, as well as its potential impact on clinical outcomes.
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Affiliation(s)
- L Felipe Damiani
- Departamento Ciencias de la Salud, Carrera de Kinesiología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile; and Cardiorespiratory Research Laboratory, Departamento Ciencias de la Salud, Pontificia Universidad Católica de Chile, Santiago, Chile.
| | - Roque Basoalto
- Cardiorespiratory Research Laboratory, Departamento Ciencias de la Salud, Pontificia Universidad Católica de Chile, Santiago, Chile; Departamento de Medicina Intensiva, Facultad de Medicina, Pontificia Universidad Católica de Chile. Santiago, Chile; and Programa de Medicina Física y Rehabilitación, Red Salud UC-CHRISTUS, Santiago, Chile
| | - Jaime Retamal
- Cardiorespiratory Research Laboratory, Departamento Ciencias de la Salud, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alejandro Bruhn
- Cardiorespiratory Research Laboratory, Departamento Ciencias de la Salud, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Guillermo Bugedo
- Cardiorespiratory Research Laboratory, Departamento Ciencias de la Salud, Pontificia Universidad Católica de Chile, Santiago, Chile
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Frisvold S, Coppola S, Ehrmann S, Chiumello D, Guérin C. Respiratory challenges and ventilatory management in different types of acute brain-injured patients. Crit Care 2023; 27:247. [PMID: 37353832 PMCID: PMC10290317 DOI: 10.1186/s13054-023-04532-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 06/15/2023] [Indexed: 06/25/2023] Open
Abstract
Acute brain injury (ABI) covers various clinical entities that may require invasive mechanical ventilation (MV) in the intensive care unit (ICU). The goal of MV, which is to protect the lung and the brain from further injury, may be difficult to achieve in the most severe forms of lung or brain injury. This narrative review aims to address the respiratory issues and ventilator management, specific to ABI patients in the ICU.
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Affiliation(s)
- S Frisvold
- Department of Anesthesia and Intensive Care, University Hospital of North Norway, Tromso, Norway
- Department of Clinical Medicine, UiT the Arctic University of Norway, Tromso, Norway
| | - S Coppola
- Department of Anesthesia and Intensive Care, ASST Santi Paolo e Carlo, San Paolo University Hospital, Milan, Italy
- Department of Health Sciences, University of Milan, Milan, Italy
- Coordinated Research Center On Respiratory Failure, University of Milan, Milan, Italy
| | - S Ehrmann
- CHRU Tours, Médecine Intensive Réanimation, CIC INSERM 1415, CRICS-TriggerSep F-CRIN Research Network, Tours, France
- INSERM, Centre d'étude Des Pathologies Respiratoires, U1100, Université de Tours, Tours, France
| | - D Chiumello
- Department of Anesthesia and Intensive Care, ASST Santi Paolo e Carlo, San Paolo University Hospital, Milan, Italy
- Department of Health Sciences, University of Milan, Milan, Italy
- Coordinated Research Center On Respiratory Failure, University of Milan, Milan, Italy
| | - Claude Guérin
- Faculté de Médecine Lyon Est, Université Claude Bernard Lyon 1, 8 Avenue Rockefeller, 69008, Lyon, France.
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Wahlster S, Town JA, Battaglini D, Robba C. Brain-lung crosstalk: how should we manage the breathing brain? BMC Pulm Med 2023; 23:180. [PMID: 37221544 DOI: 10.1186/s12890-023-02484-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 05/16/2023] [Indexed: 05/25/2023] Open
Abstract
Recent studies have drawn increasing attention to brain-lung crosstalk in critically ill patients. However, further research is needed to investigate the pathophysiological interactions between the brain and lungs, establish neuroprotective ventilatory strategies for brain-injured patients, provide guidance on potentially conflicting treatment priorities in patients with concomitant brain and lung injury, and enhance prognostic models to inform extubation and tracheostomy decisions. To bring together such research, BMC Pulmonary Medicine welcomes submissions to its new Collection on 'Brain-lung crosstalk'.
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Affiliation(s)
- Sarah Wahlster
- Department of Neurology, University of Washington, Seattle, WA, USA.
- Department of Neurological Surgery, University of Washington, Seattle, WA, USA.
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, USA.
| | - James A Town
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, USA
| | | | - Chiara Robba
- IRCCS Ospedale Policlinico San Martino, Genova, Italy
- Dipartimento di Scienze Chirurgiche e Diagnostiche Integrate, Università degli Studi di Genova, Genova, Italy
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