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Tas J, Czosnyka M, van der Horst ICC, Park S, van Heugten C, Sekhon M, Robba C, Menon DK, Zeiler FA, Aries MJH. Cerebral multimodality monitoring in adult neurocritical care patients with acute brain injury: A narrative review. Front Physiol 2022; 13:1071161. [PMID: 36531179 PMCID: PMC9751622 DOI: 10.3389/fphys.2022.1071161] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 11/07/2022] [Indexed: 07/27/2023] Open
Abstract
Cerebral multimodality monitoring (MMM) is, even with a general lack of Class I evidence, increasingly recognized as a tool to support clinical decision-making in the neuroscience intensive care unit (NICU). However, literature and guidelines have focused on unimodal signals in a specific form of acute brain injury. Integrating unimodal signals in multiple signal monitoring is the next step for clinical studies and patient care. As such, we aimed to investigate the recent application of MMM in studies of adult patients with traumatic brain injury (TBI), subarachnoid hemorrhage (SAH), intracerebral hemorrhage (ICH), acute ischemic stroke (AIS), and hypoxic ischemic brain injury following cardiac arrest (HIBI). We identified continuous or daily updated monitoring modalities and summarized the monitoring setting, study setting, and clinical characteristics. In addition, we discussed clinical outcome in intervention studies. We identified 112 MMM studies, including 11 modalities, over the last 7 years (2015-2022). Fifty-eight studies (52%) applied only two modalities. Most frequently combined were ICP monitoring (92 studies (82%)) together with PbtO2 (63 studies (56%). Most studies included patients with TBI (59 studies) or SAH (53 studies). The enrollment period of 34 studies (30%) took more than 5 years, whereas the median sample size was only 36 patients (q1- q3, 20-74). We classified studies as either observational (68 studies) or interventional (44 studies). The interventions were subclassified as systemic (24 studies), cerebral (10 studies), and interventions guided by MMM (11 studies). We identified 20 different systemic or cerebral interventions. Nine (9/11, 82%) of the MMM-guided studies included clinical outcome as an endpoint. In 78% (7/9) of these MMM-guided intervention studies, a significant improvement in outcome was demonstrated in favor of interventions guided by MMM. Clinical outcome may be improved with interventions guided by MMM. This strengthens the belief in this application, but further interdisciplinary collaborations are needed to overcome the heterogeneity, as illustrated in the present review. Future research should focus on increasing sample sizes, improved data collection, refining definitions of secondary injuries, and standardized interventions. Only then can we proceed with complex outcome studies with MMM-guided treatment.
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Affiliation(s)
- Jeanette Tas
- Maastricht University Medical Center +, Department of Intensive Care Medicine, Maastricht University, Maastricht, Netherlands
- School for Mental Health and Neuroscience (MHeNS), Maastricht University, Maastricht, Netherlands
| | - Marek Czosnyka
- Brain Physics Laboratory, Department of Clinical Neurosciences, Division of Neurosurgery, University of Cambridge, Cambridge, United Kingdom
| | - Iwan C. C. van der Horst
- Maastricht University Medical Center +, Department of Intensive Care Medicine, Maastricht University, Maastricht, Netherlands
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht, Netherlands
| | - Soojin Park
- Departments of Neurology and Biomedical Informatics, Columbia University, New York, NY, United States
| | - Caroline van Heugten
- School for Mental Health and Neuroscience (MHeNS), Maastricht University, Maastricht, Netherlands
- Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, Netherlands
| | - Mypinder Sekhon
- Division of Critical Care Medicine, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, BC, Canada
| | - Chiara Robba
- Department of Anaesthesia and Intensive Care, Policlinico Santino IRCCS for Oncology and Neuroscience, Dipartimento di Scienze Chirurgiche Diagnostiche Integrate, University of Genova, Genova, Italy
| | - David K. Menon
- University Division of Anaesthesia, Addenbrooke’s Hospital, University of Cambridge, Cambridge, United Kingdom
| | - Frederick A. Zeiler
- University Division of Anaesthesia, Addenbrooke’s Hospital, University of Cambridge, Cambridge, United Kingdom
- Department of Biomedical Engineering, Faculty of Engineering, University of Manitoba, Winnipeg, MB, Canada
- Section of Neurosurgery, Department of Surgery, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
- Department of Human Anatomy and Cell Science, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
- Centre on Aging, University of Manitoba, Winnipeg, MB, Canada
- Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden
| | - Marcel J. H. Aries
- Maastricht University Medical Center +, Department of Intensive Care Medicine, Maastricht University, Maastricht, Netherlands
- School for Mental Health and Neuroscience (MHeNS), Maastricht University, Maastricht, Netherlands
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Yang Y, Pan Y, Chen C, Zhao P, Hang C. Clinical Significance of Multiparameter Intracranial Pressure Monitoring in the Prognosis Prediction of Hypertensive Intracerebral Hemorrhage. J Clin Med 2022; 11:jcm11030671. [PMID: 35160123 PMCID: PMC8836722 DOI: 10.3390/jcm11030671] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 01/19/2022] [Accepted: 01/26/2022] [Indexed: 11/23/2022] Open
Abstract
Objective: The present study aimed to investigate the clinical significance of multiparameter intracranial pressure (ICP) monitoring in the prediction of the prognosis of hypertensive intracerebral hemorrhage (HICH). Methods: A retrospective analysis was performed on the clinical data of 53 HICH patients. The patients underwent removal of intracranial hemorrhage and decompressive craniectomy after admission. A ventricular ICP monitoring probe was used to continuously and invasively monitor mean arterial pressure (MAP) and ICP after surgery. The NEUMATIC system was used to collect ICP data, including pressure reactivity index (PRx), ICP dose (DICP), amplitude and pressure regression (RAP), and cerebral perfusion pressure (CPP). The mean PRx, CPP, RAP, ICP, and DICP20 mmHg × h were calculated with 1 h as the time segment. According to the Glasgow outcome scale (GOS) scores after discharge, the patients were grouped into the poor prognosis group (GOS I–III) and the good prognosis group (GOS IV and V). The two groups were compared in terms of GOS scores in the treatment and prediction of prognosis of patients. Results: The good prognosis group showed significantly lower values of mean ICP, DICP20 mmHg × h, RAP, and PRx than the poor prognosis group, while CPP was significantly higher (p < 0.001). Conclusions: PRx, DICP, RAP, and CPP could reflect intracranial changes in patients and were significantly correlated with the prognosis of the patients. Mean ICP, PRx, DICP20 mmHg × h, and RAP were negatively correlated with prognosis, while CPP was positively correlated with prognosis.
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Affiliation(s)
- Yongbo Yang
- Department of Neurosurgery, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China; (Y.Y.); (C.C.)
| | - Yuchun Pan
- Department of Neurosurgery, Nanjing Lishui People’s Hospital, Nanjing 211200, China;
| | - Chunlei Chen
- Department of Neurosurgery, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China; (Y.Y.); (C.C.)
| | - Penglai Zhao
- Department of Neurosurgery, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China; (Y.Y.); (C.C.)
- Correspondence: (P.Z.); (C.H.)
| | - Chunhua Hang
- Department of Neurosurgery, The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China; (Y.Y.); (C.C.)
- Correspondence: (P.Z.); (C.H.)
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Hägglund L, Olivecrona M, Koskinen LOD. Correlation of Cerebral and Subcutaneous Glycerol in Severe Traumatic Brain Injury and Association with Tissue Damage. Neurocrit Care 2021; 36:993-1001. [PMID: 34914037 PMCID: PMC9110531 DOI: 10.1007/s12028-021-01412-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 11/23/2021] [Indexed: 11/15/2022]
Abstract
Background This study is a substudy of a prospective consecutive double-blinded randomized study on the effect of prostacyclin in severe traumatic brain injury (sTBI). The aims of the present study were to investigate whether there was a correlation between brain and subcutaneous glycerol levels and whether the ratio of interstitial glycerol in the brain and subcutaneous tissue (glycerolbrain/sc) was associated with tissue damage in the brain, measured by using the Rotterdam score, S-100B, neuron-specific enolase (NSE), the Injury Severity Score (ISS), the Acute Physiology and Chronic Health Evaluation Score (APACHE II), and trauma type. A potential association with clinical outcome was explored. Methods Patients with sTBI aged 15–70 years presenting with a Glasgow Coma Scale Score ≤ 8 were included. Brain and subcutaneous adipose tissue glycerol levels were measured through microdialysis in 48 patients, of whom 42 had complete data for analysis. Brain tissue damage was also evaluated by using the Rotterdam classification of brain computed tomography scans and the biochemical biomarkers S-100B and NSE. Results In 60% of the patients, a positive relationship in glycerolbrain/sc was observed. Patients with a positive correlation of glycerolbrain/sc had slightly higher brain glycerol levels compared with the group with a negative correlation. There was no significant association between the computed tomography Rotterdam score and glycerolbrain/sc. S-100B and NSE were associated with the profile of glycerolbrain/sc. Our results cannot be explained by the general severity of the trauma as measured by using the Injury Severity Score or Acute Physiology and Chronic Health Evaluation Score. Conclusions We have shown that peripheral glycerol may flux into the brain. This effect is associated with worse brain tissue damage. This flux complicates the interpretation of brain interstitial glycerol levels. We remind the clinicians that a damaged blood–brain barrier, as seen in sTBI, may alter the concentrations of various substances, including glycerol in the brain. Awareness of this is important in the interpretation of the data bedside as well in research.
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Affiliation(s)
- Linda Hägglund
- Department of Clinical Science, Neurosciences, Umeå University, Umeå, Sweden
| | - Magnus Olivecrona
- Department of Anesthesia and Intensive Care, Section of Neurosurgery, Örebro University Hospital and Department for Medical Sciences, Faculty of Health and Medicine, Örebro University, Örebro, Sweden
| | - Lars-Owe D Koskinen
- Department of Clinical Science, Neurosciences, Umeå University, Umeå, Sweden.
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Zhong S, Sun K, Zuo X, Chen A. Monitoring and Prognostic Analysis of Severe Cerebrovascular Diseases Based on Multi-Scale Dynamic Brain Imaging. Front Neurosci 2021; 15:684469. [PMID: 34276294 PMCID: PMC8277932 DOI: 10.3389/fnins.2021.684469] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 04/26/2021] [Indexed: 12/18/2022] Open
Abstract
Severe cerebrovascular disease is an acute cerebrovascular event that causes severe neurological damage in patients, and is often accompanied by severe dysfunction of multiple systems such as breathing and circulation. Patients with severe cerebrovascular disease are in critical condition, have many complications, and are prone to deterioration of neurological function. Therefore, they need closer monitoring and treatment. The treatment strategy in the acute phase directly determines the prognosis of the patient. The case of this article selected 90 patients with severe cerebrovascular disease who were hospitalized in four wards of the Department of Neurology and the Department of Critical Care Medicine in a university hospital. The included cases were in accordance with the guidelines for the prevention and treatment of cerebrovascular diseases. Patients with cerebral infarction are given routine treatments such as improving cerebral circulation, protecting nutrient brain cells, dehydration, and anti-platelet; patients with cerebral hemorrhage are treated within the corresponding safe time window. We use Statistical Product and Service Solutions (SPSS) Statistics21 software to perform statistical analysis on the results. Based on the study of the feature extraction process of convolutional neural network, according to the hierarchical principle of convolutional neural network, a backbone neural network MF (Multi-Features)—Dense Net that can realize the fusion, and extraction of multi-scale features is designed. The network combines the characteristics of densely connected network and feature pyramid network structure, and combines strong feature extraction ability, high robustness and relatively small parameter amount. An end-to-end monitoring algorithm for severe cerebrovascular diseases based on MF-Dense Net is proposed. In the experiment, the algorithm showed high monitoring accuracy, and at the same time reached the speed of real-time monitoring on the experimental platform. An improved spatial pyramid pooling structure is designed to strengthen the network’s ability to merge and extract local features at the same level and at multiple scales, which can further improve the accuracy of algorithm monitoring by paying a small amount of additional computational cost. At the same time, a method is designed to strengthen the use of low-level features by improving the network structure, which improves the algorithm’s monitoring performance on small-scale severe cerebrovascular diseases. For patients with severe cerebrovascular disease in general, APACHEII1, APACHEII2, APACHEII3 and the trend of APACHEII score change are divided into high-risk group and low-risk group. The overall severe cerebrovascular disease, severe cerebral hemorrhage and severe cerebral infarction are analyzed, respectively. The differences are statistically significant.
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Affiliation(s)
- Suting Zhong
- Department of Emergency Medicine, Hanyang Hospital, Wuhan University of Science and Technology, Wuhan, China
| | - Kai Sun
- Department of Neurosurgery, Yantai Penglai Traditional Chinese Medicine Hospital, Yantai, China
| | - Xiaobing Zuo
- Department of Emergency Medicine, Hanyang Hospital, Wuhan University of Science and Technology, Wuhan, China
| | - Aihong Chen
- Department of Emergency Medicine, Hanyang Hospital, Wuhan University of Science and Technology, Wuhan, China
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Chen S, Xu P, Fang Y, Lenahan C. The Updated Role of the Blood Brain Barrier in Subarachnoid Hemorrhage: From Basic and Clinical Studies. Curr Neuropharmacol 2020; 18:1266-1278. [PMID: 32928088 PMCID: PMC7770644 DOI: 10.2174/1570159x18666200914161231] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/05/2020] [Accepted: 08/05/2020] [Indexed: 12/15/2022] Open
Abstract
Subarachnoid hemorrhage (SAH) is a type of hemorrhagic stroke associated with high mortality and morbidity. The blood-brain-barrier (BBB) is a structure consisting primarily of cerebral microvascular endothelial cells, end feet of astrocytes, extracellular matrix, and pericytes. Post-SAH pathophysiology included early brain injury and delayed cerebral ischemia. BBB disruption was a critical mechanism of early brain injury and was associated with other pathophysiological events. These pathophysiological events may propel the development of secondary brain injury, known as delayed cerebral ischemia. Imaging advancements to measure BBB after SAH primarily focused on exploring innovative methods to predict clinical outcome, delayed cerebral ischemia, and delayed infarction related to delayed cerebral ischemia in acute periods. These predictions are based on detecting abnormal changes in BBB permeability. The parameters of BBB permeability are described by changes in computed tomography (CT) perfusion and magnetic resonance imaging (MRI). Kep seems to be a stable and sensitive indicator in CT perfusion, whereas Ktrans is a reliable parameter for dynamic contrast-enhanced MRI. Future prediction models that utilize both the volume of BBB disruption and stable parameters of BBB may be a promising direction to develop practical clinical tools. These tools could provide greater accuracy in predicting clinical outcome and risk of deterioration. Therapeutic interventional exploration targeting BBB disruption is also promising, considering the extended duration of post-SAH BBB disruption.
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Affiliation(s)
- Sheng Chen
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou,
Zhejiang Province, China
| | - PengLei Xu
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou,
Zhejiang Province, China
| | - YuanJian Fang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou,
Zhejiang Province, China
| | - Cameron Lenahan
- Burrell College of Osteopathic Medicine, Las Cruces, NM, USA,Center for Neuroscience Research, School of Medicine, Loma Linda University, Loma Linda, CA, USA
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