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Chevignard M, Câmara-Costa H, Dellatolas G. Predicting and improving outcome in severe pediatric traumatic brain injury. Expert Rev Neurother 2024:1-21. [PMID: 39140714 DOI: 10.1080/14737175.2024.2389921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Accepted: 08/05/2024] [Indexed: 08/15/2024]
Abstract
INTRODUCTION Severe pediatric traumatic brain injury (spTBI), including abusive head trauma (AHT) in young children, is a major public health problem. Long-term consequences of spTBI include a large variety of physical, neurological, biological, cognitive, behavioral and social deficits and impairments. AREAS COVERED The present narrative review summarizes studies and reviews published from January 2019 to February 2024 on spTBI. Significant papers published before 2019 were also included. The article gives coverage to the causes of spTBI, its epidemiology and fatality rates; disparities, inequalities, and socioeconomic factors; critical care; outcomes; and interventions. EXPERT OPINION There are disparities between countries and according to socio-economic factors regarding causes, treatments and outcomes of spTBI. AHT has an overall poor outcome. Adherence to critical care guidelines is imperfect and the evidence-base of guidelines needs further investigations. Neuroimaging and biomarker predictors of outcomes is a rapidly evolving domain. Long-term cognitive, behavioral and psychosocial difficulties are the most prevalent and disabling. Their investigation should make a clear distinction between objective (clinical examination, cognitive tests, facts) and subjective measures (estimations using patient- and proxy-reported questionnaires), considering possible common source bias in reported difficulties. Family/caregiver-focused interventions, ecological approaches, and use of technology in delivery of interventions are recommended to improve long-term difficulties after spTBI.
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Affiliation(s)
- Mathilde Chevignard
- Rehabilitation Department for Children with Acquired Neurological Injury, Saint Maurice Hospitals, Saint Maurice, France
- Sorbonne Université, CNRS, INSERM, Laboratoire d'Imagerie Biomédicale (LIB), Paris, France
- Sorbonne Université, GRC 24 Handicap Moteur Cognitif et Réadaptation (HaMCRe), AP-HP, Paris, France
| | - Hugo Câmara-Costa
- Rehabilitation Department for Children with Acquired Neurological Injury, Saint Maurice Hospitals, Saint Maurice, France
- Sorbonne Université, CNRS, INSERM, Laboratoire d'Imagerie Biomédicale (LIB), Paris, France
- Sorbonne Université, GRC 24 Handicap Moteur Cognitif et Réadaptation (HaMCRe), AP-HP, Paris, France
| | - Georges Dellatolas
- Sorbonne Université, GRC 24 Handicap Moteur Cognitif et Réadaptation (HaMCRe), AP-HP, Paris, France
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Fedriga M, Martini S, Iodice FG, Sortica da Costa C, Pezzato S, Moscatelli A, Beqiri E, Czosnyka M, Smielewski P, Agrawal S. Cerebral autoregulation in paediatric and neonatal intensive care: A scoping review. J Cereb Blood Flow Metab 2024:271678X241261944. [PMID: 38867574 DOI: 10.1177/0271678x241261944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Abstract
Deranged cerebral autoregulation (CA) is associated with worse outcome in adult brain injury. Strategies for monitoring CA and maintaining the brain at its 'best CA status' have been implemented, however, this approach has not yet developed for the paediatric population. This scoping review aims to find up-to-date evidence on CA assessment in children and neonates with a view to identify patient categories in which CA has been measured so far, CA monitoring methods and its relationship with clinical outcome if any. A literature search was conducted for studies published within 31st December 2022 in 3 bibliographic databases. Out of 494 papers screened, this review includes 135 studies. Our literature search reveals evidence for CA measurement in the paediatric population across different diagnostic categories and age groups. The techniques adopted, indices and thresholds used to assess and define CA are heterogeneous. We discuss the relevance of available evidence for CA assessment in the paediatric population. However, due to small number of studies and heterogeneity of methods used, there is no conclusive evidence to support universal adoption of CA monitoring, technique, and methodology. This calls for further work to understand the clinical impact of CA monitoring in paediatric and neonatal intensive care.
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Affiliation(s)
- Marta Fedriga
- Neonatal and Paediatric Intensive Care Unit, IRCCS Giannina Gaslini Institute, Genoa, Italy
| | - Silvia Martini
- Neonatal Intensive Care Unit, IRCCS AOUBO, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Francesca G Iodice
- Paediatric Cardiac Anaesthesia and Intensive Care Unit, IRCCS, Bambino Gesu' Hospital, Rome, Italy
| | | | - Stefano Pezzato
- Neonatal and Paediatric Intensive Care Unit, IRCCS Giannina Gaslini Institute, Genoa, Italy
| | - Andrea Moscatelli
- Neonatal and Paediatric Intensive Care Unit, IRCCS Giannina Gaslini Institute, Genoa, Italy
| | - Erta Beqiri
- Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, UK
| | - Marek Czosnyka
- Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, UK
| | - Peter Smielewski
- Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, UK
| | - Shruti Agrawal
- Department of Paediatric Intensive Care, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
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Lele AV, Vavilala MS. Cerebral Autoregulation-guided Management of Adult and Pediatric Traumatic Brain Injury. J Neurosurg Anesthesiol 2023; 35:354-360. [PMID: 37523326 DOI: 10.1097/ana.0000000000000933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 07/05/2023] [Indexed: 08/02/2023]
Abstract
Cerebral autoregulation (CA) plays a vital role in maintaining cerebral blood flow in response to changes in systemic blood pressure. Impairment of CA following traumatic brain injury (TBI) may exacerbate the injury, potentially impacting patient outcomes. This focused review addresses 4 key questions regarding the measurement, natural history of CA after TBI, and potential clinical implications of CA status and CA-guided management in adults and children with TBI. We examine the feasibility and safety of CA assessment, its association with clinical outcomes, and the potential for reversing deranged CA following TBI. Finally, we discuss how the knowledge of CA status may affect TBI management and outcomes.
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Affiliation(s)
- Abhijit V Lele
- Department of Anesthesiology and Pain Medicine
- Harborview Injury Prevention and Research Center
- Department of Neurological Surgery, Harborview Medical Center, University of Washington, Seattle, WA
| | - Monica S Vavilala
- Department of Anesthesiology and Pain Medicine
- Harborview Injury Prevention and Research Center
- Department of Neurological Surgery, Harborview Medical Center, University of Washington, Seattle, WA
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Kochar A, Hildebrandt K, Silverstein R, Appavu B. Approaches to neuroprotection in pediatric neurocritical care. World J Crit Care Med 2023; 12:116-129. [PMID: 37397588 PMCID: PMC10308339 DOI: 10.5492/wjccm.v12.i3.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/30/2023] [Accepted: 04/12/2023] [Indexed: 06/08/2023] Open
Abstract
Acute neurologic injuries represent a common cause of morbidity and mortality in children presenting to the pediatric intensive care unit. After primary neurologic insults, there may be cerebral brain tissue that remains at risk of secondary insults, which can lead to worsening neurologic injury and unfavorable outcomes. A fundamental goal of pediatric neurocritical care is to mitigate the impact of secondary neurologic injury and improve neurologic outcomes for critically ill children. This review describes the physiologic framework by which strategies in pediatric neurocritical care are designed to reduce the impact of secondary brain injury and improve functional outcomes. Here, we present current and emerging strategies for optimizing neuroprotective strategies in critically ill children.
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Affiliation(s)
- Angad Kochar
- Department of Neurosciences, Phoenix Children's Hospital, Phoenix, AZ 85213, United States
| | - Kara Hildebrandt
- Department of Neurosciences, Phoenix Children's Hospital, Phoenix, AZ 85213, United States
| | - Rebecca Silverstein
- Department of Neurosciences, Phoenix Children's Hospital, Phoenix, AZ 85213, United States
| | - Brian Appavu
- Department of Neurosciences, Phoenix Children's Hospital, Phoenix, AZ 85213, United States
- Child Health, University of Arizona College of Medicine - Phoenix, Phoenix, AZ 85016, United States
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Chen X, Józsa TI, Payne SJ. Computational modelling of cerebral oedema and osmotherapy following ischaemic stroke. Comput Biol Med 2022; 151:106226. [PMID: 36343409 DOI: 10.1016/j.compbiomed.2022.106226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/11/2022] [Accepted: 10/15/2022] [Indexed: 12/27/2022]
Abstract
In ischaemic stroke, a large reduction in blood supply can lead to the breakdown of the blood brain barrier and to cerebral oedema after reperfusion therapy. Cerebral oedema is marked by elevated intracranial pressure (ICP), tissue herniation and reduced cerebral perfusion pressure. In clinical settings, osmotherapy has been a common practice to decrease ICP. However, there are no guidelines on the choice of administration protocol parameters such as injection doses, infusion time and retention time. Most importantly, the effects of osmotherapy have been proven controversial since the infusion of osmotic agents can lead to a range of side effects. Here, a new Finite Element model of brain oedema and osmotherapy is thus proposed to predict treatment outcome. The model consists of three components that simulate blood perfusion, oedema, and osmotherapy, respectively. In the perfusion model (comprising arteriolar, venous, and capillary blood compartments), an anatomically accurate brain geometry is used to identify regions with a perfusion reduction and potential oedema occurrence in stroke. The oedema model is then used to predict ICP using a porous circulation model with four fluid compartments (arteriolar blood, venular blood, capillary blood, and interstitial fluid). In the osmotherapy model, the osmotic pressure is varied and the changes in ICP during different osmotherapy episodes are quantified. The simulation results of the model show excellent agreement with available clinical data and the model is employed to study osmotherapy under various parameters. Consequently, it is demonstrated how therapeutic strategies can be proposed for patients with different pathological parameters based on simulations.
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Affiliation(s)
- Xi Chen
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, United Kingdom
| | - Tamás I Józsa
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, United Kingdom; Department of Radiology and Nuclear Medicine, Amsterdam University Medical Center, location VUmc, Amsterdam Neuroscience, De Boelelaan 1117, 1118, 1081 HV Amsterdam, the Netherlands
| | - Stephen J Payne
- Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, United Kingdom; Institute of Applied Mechanics, National Taiwan University, Roosevelt Road, Da'an Dist., Taipei City, 106, Taiwan.
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