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Yang WS, Liu JY, Shen YQ, Xie XF, Zhang SQ, Liu FY, Yu JL, Ma YB, Xiao ZS, Duan HW, Li Q, Chen SX, Xie P. Quantitative imaging for predicting hematoma expansion in intracerebral hemorrhage: A multimodel comparison. J Stroke Cerebrovasc Dis 2024; 33:107731. [PMID: 38657831 DOI: 10.1016/j.jstrokecerebrovasdis.2024.107731] [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] [Received: 02/29/2024] [Revised: 04/08/2024] [Accepted: 04/21/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND Several studies report that radiomics provides additional information for predicting hematoma expansion in intracerebral hemorrhage (ICH). However, the comparison of diagnostic performance of radiomics for predicting revised hematoma expansion (RHE) remains unclear. METHODS The cohort comprised 312 consecutive patients with ICH. A total of 1106 radiomics features from seven categories were extracted using Python software. Support vector machines achieved the best performance in both the training and validation datasets. Clinical factors models were constructed to predict RHE. Receiver operating characteristic curve analysis was used to assess the abilities of non-contrast computed tomography (NCCT) signs, radiomics features, and combined models to predict RHE. RESULTS We finally selected the top 21 features for predicting RHE. After univariate analysis, 4 clinical factors and 5 NCCT signs were selected for inclusion in the prediction models. In the training and validation dataset, radiomics features had a higher predictive value for RHE (AUC = 0.83) than a single NCCT sign and expansion-prone hematoma. The combined prediction model including radiomics features, clinical factors, and NCCT signs achieved higher predictive performances for RHE (AUC = 0.88) than other combined models. CONCLUSIONS NCCT radiomics features have a good degree of discrimination for predicting RHE in ICH patients. Combined prediction models that include quantitative imaging significantly improve the prediction of RHE, which may assist in the risk stratification of ICH patients for anti-expansion treatments.
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Affiliation(s)
- Wen-Song Yang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Jia-Yang Liu
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Yi-Qing Shen
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Xiong-Fei Xie
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Shu-Qiang Zhang
- Department of Radiology, Chongqing University Fuling Hospital, Chongqing 408000, China.
| | - Fang-Yu Liu
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Jia-Lun Yu
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Yong-Bo Ma
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Zhong-Song Xiao
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Hao-Wei Duan
- College of computer and information science, Southwest University, Chongqing 400715, China.
| | - Qi Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
| | - Shan-Xiong Chen
- College of computer and information science, Southwest University, Chongqing 400715, China.
| | - Peng Xie
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
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Bindal P, Kumar V, Kapil L, Singh C, Singh A. Therapeutic management of ischemic stroke. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:2651-2679. [PMID: 37966570 DOI: 10.1007/s00210-023-02804-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 10/19/2023] [Indexed: 11/16/2023]
Abstract
Stroke is the third leading cause of years lost due to disability and the second-largest cause of mortality worldwide. Most occurrences of stroke are brought on by the sudden occlusion of an artery (ischemic stroke), but sometimes they are brought on by bleeding into brain tissue after a blood vessel has ruptured (hemorrhagic stroke). Alteplase is the only therapy the American Food and Drug Administration has approved for ischemic stroke under the thrombolysis category. Current views as well as relevant clinical research on the diagnosis, assessment, and management of stroke are reviewed to suggest appropriate treatment strategies. We searched PubMed and Google Scholar for the available therapeutic regimes in the past, present, and future. With the advent of endovascular therapy in 2015 and intravenous thrombolysis in 1995, the therapeutic options for ischemic stroke have expanded significantly. A novel approach such as vagus nerve stimulation could be life-changing for many stroke patients. Therapeutic hypothermia, the process of cooling the body or brain to preserve organ integrity, is one of the most potent neuroprotectants in both clinical and preclinical contexts. The rapid intervention has been linked to more favorable clinical results. This study focuses on the pathogenesis of stroke, as well as its recent advancements, future prospects, and potential therapeutic targets in stroke therapy.
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Affiliation(s)
- Priya Bindal
- Department of Pharmacology, ISF College of Pharmacy, Moga 142001, Affiliated to I.K Gujral Punjab Technical University, Jalandhar, Punjab, India
| | - Vishal Kumar
- Department of Pharmacology, ISF College of Pharmacy, Moga 142001, Affiliated to I.K Gujral Punjab Technical University, Jalandhar, Punjab, India
| | - Lakshay Kapil
- Department of Pharmacology, ISF College of Pharmacy, Moga 142001, Affiliated to I.K Gujral Punjab Technical University, Jalandhar, Punjab, India
| | - Charan Singh
- Department of Pharmaceutical Sciences, HNB Garhwal University (A Central University), Chauras Campus, Distt. Tehri Garhwal, Uttarakhand, 246174, India
| | - Arti Singh
- Department of Pharmacology, ISF College of Pharmacy, Moga 142001, Affiliated to I.K Gujral Punjab Technical University, Jalandhar, Punjab, India.
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Tang X, Yang X, Yu Y, Wu M, Li Y, Zhang Z, Jia G, Wang Q, Tu W, Wang Y, Zhu X, Li S. Carbon quantum dots of ginsenoside Rb1 for application in a mouse model of intracerebral Hemorrhage. J Nanobiotechnology 2024; 22:125. [PMID: 38520022 PMCID: PMC10958843 DOI: 10.1186/s12951-024-02368-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 02/22/2024] [Indexed: 03/25/2024] Open
Abstract
After intracerebral hemorrhage (ICH) occurs, the overproduction of reactive oxygen species (ROS) and iron ion overload are the leading causes of secondary damage. Removing excess iron ions and ROS in the meningeal system can effectively alleviate the secondary damage after ICH. This study synthesized ginsenoside Rb1 carbon quantum dots (RBCQDs) using ginsenoside Rb1 and ethylenediamine via a hydrothermal method. RBCQDs exhibit potent capabilities in scavenging ABTS + free radicals and iron ions in solution. After intrathecal injection, the distribution of RBCQDs is predominantly localized in the subarachnoid space. RBCQDs can eliminate ROS and chelate iron ions within the meningeal system. Treatment with RBCQDs significantly improves blood flow in the meningeal system, effectively protecting dying neurons, improving neurological function, and providing a new therapeutic approach for the clinical treatment of ICH.
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Affiliation(s)
- Xiaolong Tang
- Department of Neurosurgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Xinyu Yang
- Department of Neurosurgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Yamei Yu
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China
- Department of Neurology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Miaojing Wu
- Department of Neurosurgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Yuanyuan Li
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Zhe Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Guangyu Jia
- Department of Neurosurgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Qi Wang
- Department of Neurosurgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Wei Tu
- Department of Neurosurgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China.
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China.
| | - Ye Wang
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China.
- Department of Neurology, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China.
| | - Xingen Zhu
- Department of Neurosurgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China.
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China.
| | - Shiyong Li
- Department of Neurosurgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, 330006, China.
- Institute of Neuroscience, Nanchang University, Nanchang, Jiangxi, 330006, China.
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Zhang T, Liu G, Cao Y, Zhao J, Jiang S, Zhang Y, Li M. Genetically predicted causality between gut microbiota, blood metabolites, and intracerebral hemorrhage: a bidirectional Mendelian randomization study. Front Microbiol 2024; 15:1257405. [PMID: 38298896 PMCID: PMC10829105 DOI: 10.3389/fmicb.2024.1257405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 01/02/2024] [Indexed: 02/02/2024] Open
Abstract
Background Recent research linked changes in the gut microbiota and serum metabolite concentrations to intracerebral hemorrhage (ICH). However, the potential causal relationship remained unclear. Therefore, the current study aims to estimate the effects of genetically predicted causality between gut microbiota, serum metabolites, and ICH. Methods Summary data from genome-wide association studies (GWAS) of gut microbiota, serum metabolites, and ICH were obtained separately. Gut microbiota GWAS (N = 18,340) were acquired from the MiBioGen study, serum metabolites GWAS (N = 7,824) from the TwinsUK and KORA studies, and GWAS summary-level data for ICH from the FinnGen R9 (ICH, 3,749 cases; 339,914 controls). A two-sample Mendelian randomization (MR) study was conducted to explore the causal effects between gut microbiota, serum metabolites, and ICH. The random-effects inverse variance-weighted (IVW) MR analyses were performed as the primary results, together with a series of sensitivity analyses to assess the robustness of the results. Besides, a reverse MR was conducted to evaluate the possibility of reverse causation. To validate the relevant findings, we further selected data from the UK Biobank for analysis. Results MR analysis results revealed a nominal association (p < 0.05) between 17 gut microbial taxa, 31 serum metabolites, and ICH. Among gut microbiota, the higher level of genus Eubacterium xylanophilum (odds ratio (OR): 1.327, 95% confidence interval (CI):1.154-1.526; Bonferroni-corrected p = 7.28 × 10-5) retained a strong causal relationship with a higher risk of ICH after the Bonferroni corrected test. Concurrently, the genus Senegalimassilia (OR: 0.843, 95% CI: 0.778-0.915; Bonferroni-corrected p = 4.10 × 10-5) was associated with lower ICH risk. Moreover, after Bonferroni correction, only two serum metabolites remained out of the initial 31 serum metabolites. One of the serum metabolites, Isovalerate (OR: 7.130, 95% CI: 2.648-19.199; Bonferroni-corrected p = 1.01 × 10-4) showed a very strong causal relationship with a higher risk of ICH, whereas the other metabolite was unidentified and excluded from further analysis. Various sensitivity analyses yielded similar results, with no heterogeneity or directional pleiotropy observed. Conclusion This two-sample MR study revealed the significant influence of gut microbiota and serum metabolites on the risk of ICH. The specific bacterial taxa and metabolites engaged in ICH development were identified. Further research is required in the future to delve deeper into the mechanisms behind these findings.
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Affiliation(s)
- Tianlong Zhang
- Department of Critical Care Medicine, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, Zhejiang, China
| | - Gang Liu
- Department of Infection Control, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, Zhejiang, China
| | - Yina Cao
- Department of Neurology, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, Zhejiang, China
| | - Jianqiang Zhao
- Department of Cardiology, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, Zhejiang, China
| | - Siyi Jiang
- Department of Critical Care Medicine, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, Zhejiang, China
| | - Ya Zhang
- Department of Pharmacy, Yiwu Hospital of Traditional Chinese Medicine, Yiwu, Zhejiang, China
| | - Min Li
- Department of Critical Care Medicine, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, Yiwu, Zhejiang, China
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Lima WDS, Soares MHP, Paschoal EHA, Paschoal JKSF, Paschoal FM, Bor-Seng-Shu E. Intracranial hemorrhages in patients with COVID-19: a systematic review of the literature, regarding six cases in an Amazonian population. ARQUIVOS DE NEURO-PSIQUIATRIA 2023; 81:989-999. [PMID: 38035584 PMCID: PMC10689113 DOI: 10.1055/s-0043-1772834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 05/01/2023] [Indexed: 12/02/2023]
Abstract
BACKGROUND Coronavirus disease 2019 (COVID-19) has emerged as a public health emergency worldwide, predominantly affecting the respiratory tract. However, evidence supports the involvement of extrapulmonary sites, including reports of intracranial hemorrhages. OBJECTIVE To describe six original cases and review the literature on intracranial hemorrhages in patients diagnosed with COVID-19 by molecular methods. METHODS A systematic literature review was performed on MEDLINE, PubMed, and NCBI electronic databases to identify eligible studies. Of the total 1,624 articles retrieved, only 53 articles met the inclusion criteria. RESULTS The overall incidence of intracranial hemorrhage in patients hospitalized for COVID-19 was 0.26%. In this patient group, the mean age was 60 years, and the majority were male (68%) with initial respiratory symptoms (73%) and some comorbidity. Before the diagnosis of hemorrhage, 43% of patients were using anticoagulants, 47.3% at therapeutic doses. The intraparenchymal (50%) was the most affected compartment, followed by the subarachnoid (34%), intraventricular (11%), and subdural (7%). There was a predominance of lobar over non-lobar topographies. Multifocal or multicompartmental hemorrhages were described in 25% of cases. Overall mortality in the cohort studies was 44%, while around 55% of patients were discharged from hospital. CONCLUSION Despite the unusual association, the combination of these two diseases is associated with high rates of mortality and morbidity, as well as more severe clinicoradiological presentations. Further studies are needed to provide robust evidence on the exact pathophysiology behind the occurrence of intracranial hemorrhages after COVID-19 infection.
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Affiliation(s)
- William de Sousa Lima
- Universidade Federal do Pará, Faculdade de Medicina, Departamento de Neurologia do Hospital Universitário João de Barros Barreto, Belém PA, Brazil.
| | - Marcelo Henrique Pereira Soares
- Universidade Federal do Pará, Faculdade de Medicina, Departamento de Neurologia do Hospital Universitário João de Barros Barreto, Belém PA, Brazil.
| | - Eric Homero Albuquerque Paschoal
- Universidade Federal do Pará, Faculdade de Medicina, Departamento de Neurologia do Hospital Universitário João de Barros Barreto, Belém PA, Brazil.
| | | | - Fernando Mendes Paschoal
- Universidade Federal do Pará, Faculdade de Medicina, Departamento de Neurologia do Hospital Universitário João de Barros Barreto, Belém PA, Brazil.
| | - Edson Bor-Seng-Shu
- Universidade de São Paulo, Faculdade de Medicina, Departamento de Neurologia do Hospital das Clínicas, São Paulo SP, Brazil.
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Lei K, Wu R, Wang J, Lei X, Zhou E, Fan R, Gong L. Sirtuins as Potential Targets for Neuroprotection: Mechanisms of Early Brain Injury Induced by Subarachnoid Hemorrhage. Transl Stroke Res 2023:10.1007/s12975-023-01191-z. [PMID: 37779164 DOI: 10.1007/s12975-023-01191-z] [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: 07/24/2023] [Revised: 08/26/2023] [Accepted: 08/31/2023] [Indexed: 10/03/2023]
Abstract
Subarachnoid hemorrhage (SAH) is a prevalent cerebrovascular disease with significant global mortality and morbidity rates. Despite advancements in pharmacological and surgical approaches, the quality of life for SAH survivors has not shown substantial improvement. Traditionally, vasospasm has been considered a primary contributor to death and disability following SAH, but anti-vasospastic therapies have not demonstrated significant benefits for SAH patients' prognosis. Emerging studies suggest that early brain injury (EBI) may play a crucial role in influencing SAH prognosis. Sirtuins (SIRTs), a group of NAD + -dependent deacylases comprising seven mammalian family members (SIRT1 to SIRT7), have been found to be involved in neural tissue development, plasticity, and aging. They also exhibit vital functions in various central nervous system (CNS) processes, including cognition, pain perception, mood, behavior, sleep, and circadian rhythms. Extensive research has uncovered the multifaceted roles of SIRTs in CNS disorders, offering insights into potential markers for pathological processes and promising therapeutic targets (such as SIRT1 activators and SIRT2 inhibitors). In this article, we provide an overview of recent research progress on the application of SIRTs in subarachnoid hemorrhage and explore their underlying mechanisms of action.
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Affiliation(s)
- Kunqian Lei
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China
| | - Rui Wu
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China
| | - Jin Wang
- Department of Neurology, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China
| | - Xianze Lei
- Department of Neurology, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China
| | - Erxiong Zhou
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China
| | - Ruiming Fan
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China.
| | - Lei Gong
- Department of Pharmacy, Institute of Medical Biotechnology, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China.
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MacIntosh BJ, Liu Q, Schellhorn T, Beyer MK, Groote IR, Morberg PC, Poulin JM, Selseth MN, Bakke RC, Naqvi A, Hillal A, Ullberg T, Wassélius J, Rønning OM, Selnes P, Kristoffersen ES, Emblem KE, Skogen K, Sandset EC, Bjørnerud A. Radiological features of brain hemorrhage through automated segmentation from computed tomography in stroke and traumatic brain injury. Front Neurol 2023; 14:1244672. [PMID: 37840934 PMCID: PMC10568013 DOI: 10.3389/fneur.2023.1244672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/05/2023] [Indexed: 10/17/2023] Open
Abstract
Introduction Radiological assessment is necessary to diagnose spontaneous intracerebral hemorrhage (ICH) and traumatic brain injury intracranial hemorrhage (TBI-bleed). Artificial intelligence (AI) deep learning tools provide a means for decision support. This study evaluates the hemorrhage segmentations produced from three-dimensional deep learning AI model that was developed using non-contrast computed tomography (CT) imaging data external to the current study. Methods Non-contrast CT imaging data from 1263 patients were accessed across seven data sources (referred to as sites) in Norway and Sweden. Patients were included based on ICH, TBI-bleed, or mild TBI diagnosis. Initial non-contrast CT images were available for all participants. Hemorrhage location frequency maps were generated. The number of estimated haematoma clusters was correlated with the total haematoma volume. Ground truth expert annotations were available for one ICH site; hence, a comparison was made with the estimated haematoma volumes. Segmentation volume estimates were used in a receiver operator characteristics (ROC) analysis for all samples (i.e., bleed detected) and then specifically for one site with few TBI-bleed cases. Results The hemorrhage frequency maps showed spatial patterns of estimated lesions consistent with ICH or TBI-bleed presentations. There was a positive correlation between the estimated number of clusters and total haematoma volume for each site (correlation range: 0.45-0.74; each p-value < 0.01) and evidence of ICH between-site differences. Relative to hand-drawn annotations for one ICH site, the VIOLA-AI segmentation mask achieved a median Dice Similarity Coefficient of 0.82 (interquartile range: 0.78 and 0.83), resulting in a small overestimate in the haematoma volume by a median of 0.47 mL (interquartile range: 0.04 and 1.75 mL). The bleed detection ROC analysis for the whole sample gave a high area-under-the-curve (AUC) of 0.92 (with sensitivity and specificity of 83.28% and 95.41%); however, when considering only the mild head injury site, the TBI-bleed detection gave an AUC of 0.70. Discussion An open-source segmentation tool was used to visualize hemorrhage locations across multiple data sources and revealed quantitative hemorrhage site differences. The automated total hemorrhage volume estimate correlated with a per-participant hemorrhage cluster count. ROC results were moderate-to-high. The VIOLA-AI tool had promising results and might be useful for various types of intracranial hemorrhage.
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Affiliation(s)
- Bradley J. MacIntosh
- Computational Radiology & Artificial Intelligence Unit, Department of Physics and Computational Radiology, Clinic for Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
- Department of Medical Biophysics, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Hurvitz Brain Sciences, Sandra Black Centre for Brain Resilience & Recovery, Physical Sciences Platform, Sunnybrook Research Institute, Toronto, Oslo, Norway
| | - Qinghui Liu
- Computational Radiology & Artificial Intelligence Unit, Department of Physics and Computational Radiology, Clinic for Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Till Schellhorn
- Computational Radiology & Artificial Intelligence Unit, Department of Physics and Computational Radiology, Clinic for Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
- Division of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Mona K. Beyer
- Division of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Inge Rasmus Groote
- Computational Radiology & Artificial Intelligence Unit, Department of Physics and Computational Radiology, Clinic for Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
- Department of Radiology, Vestfold Hospital Trust, Tønsberg, Norway
| | - Pål C. Morberg
- Computational Radiology & Artificial Intelligence Unit, Department of Physics and Computational Radiology, Clinic for Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
- Department of Radiology and Department of Surgery, Vestfold Hospital Trust, Tønsberg, Norway
| | - Joshua M. Poulin
- Hurvitz Brain Sciences, Sandra Black Centre for Brain Resilience & Recovery, Physical Sciences Platform, Sunnybrook Research Institute, Toronto, Oslo, Norway
| | - Maiken N. Selseth
- Department of Neurology, Akershus University Hospital, Lørenskog, Norway
- Department of Diagnostic Imaging, Akershus University Hospital, Lørenskog, Norway
| | - Ragnhild C. Bakke
- Division of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Aina Naqvi
- Division of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Amir Hillal
- Department of Diagnostic Radiology, Neuroradiology, Skåne University Hospital, Lund, Sweden
| | - Teresa Ullberg
- Department of Diagnostic Radiology, Neuroradiology, Skåne University Hospital, Lund, Sweden
- Department of Medical Imaging and Physiology, Skåne University Hospital, Lund, Sweden
| | - Johan Wassélius
- Department of Diagnostic Radiology, Neuroradiology, Skåne University Hospital, Lund, Sweden
- Department of Clinical Sciences, Faculty of Medicine, Lund University, Lund, Sweden
| | - Ole M. Rønning
- Department of Neurology, Akershus University Hospital, Lørenskog, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Per Selnes
- Department of Neurology, Akershus University Hospital, Lørenskog, Norway
| | - Espen S. Kristoffersen
- Department of Neurology, Akershus University Hospital, Lørenskog, Norway
- Department of General Practice, Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Kyrre Eeg Emblem
- Department of Physics and Computational Radiology, Clinic for Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Karoline Skogen
- Computational Radiology & Artificial Intelligence Unit, Department of Physics and Computational Radiology, Clinic for Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
- Division of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Else C. Sandset
- Department of Neurology, Oslo University Hospital, Oslo, Norway
| | - Atle Bjørnerud
- Computational Radiology & Artificial Intelligence Unit, Department of Physics and Computational Radiology, Clinic for Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
- Department of Physics, University of Oslo, Oslo, Norway
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Chwał J, Kostka P, Tkacz E. Assessment of the Extent of Intracerebral Hemorrhage Using 3D Modeling Technology. Healthcare (Basel) 2023; 11:2441. [PMID: 37685475 PMCID: PMC10487057 DOI: 10.3390/healthcare11172441] [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: 07/11/2023] [Revised: 08/08/2023] [Accepted: 08/17/2023] [Indexed: 09/10/2023] Open
Abstract
The second most common cause of stroke, accounting for 10% of hospital admissions, is intracerebral hemorrhage (ICH), and risk factors include diabetes, smoking, and hypertension. People with intracerebral bleeding experience symptoms that are related to the functions that are managed by the affected part of the brain. Having obtained 15 computed tomography (CT) scans from five patients with ICH, we decided to use three-dimensional (3D) modeling technology to estimate the bleeding volume. CT was performed on admission to hospital, and after one week and two weeks of treatment. We segmented the brain, ventricles, and hemorrhage using semi-automatic algorithms in Slicer 3D, then improved the obtained models in Blender. Moreover, the accuracy of the models was checked by comparing corresponding CT scans with 3D brain model cross-sections. The goal of the research was to examine the possibility of using 3D modeling technology to visualize intracerebral hemorrhage and assess its treatment.
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Affiliation(s)
- Joanna Chwał
- Department of Biosensors and Processing of Biomedical Signals, Faculty of Biomedical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland; (P.K.); (E.T.)
- Joint Doctoral School, Silesian University of Technology, 44-100 Gliwice, Poland
| | - Paweł Kostka
- Department of Biosensors and Processing of Biomedical Signals, Faculty of Biomedical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland; (P.K.); (E.T.)
| | - Ewaryst Tkacz
- Department of Biosensors and Processing of Biomedical Signals, Faculty of Biomedical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland; (P.K.); (E.T.)
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Wang Y, Guo J, Yang F, Dong R, Song D, Huang P, Wen L, Xiang G, Wang S, Teng J, Miao W. Predictive effect of the decline in CD4 + T cell levels in blood on infection in patients with severe hemorrhagic stroke and mechanism. Front Neurol 2023; 14:1118282. [PMID: 37360336 PMCID: PMC10288285 DOI: 10.3389/fneur.2023.1118282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 05/03/2023] [Indexed: 06/28/2023] Open
Abstract
Objective The purpose of this research was to evaluate the influence of immunity on infection in patients with severe hemorrhagic stroke and explore the mechanism underlying this connection. Methods Clinical data obtained from 126 patients with severe hemorrhagic stroke were retrospectively analyzed, and the factors affecting infection were screened by multivariable logistic regression models. Nomograms, calibration curves, the Hosmer-Lemeshow goodness-of-fit test, and decision curve analysis were used to examine the effectiveness of the models in evaluating infection. The mechanism underlying the reduction in CD4+ T-cell levels in blood was explored by analysis of lymphocyte subsets and cytokines in cerebrospinal fluid (CSF) and blood. Results The results showed that CD4+ T-cell levels of <300/μL was an independent risk factor for early infection. The models for multivariable logistic regression involving the CD4+ T-cell levels and other influencing factors had good applicability and effectiveness in evaluating early infection. CD4+ T-cell levels decreased in blood but increased in CSF. Similarly, interleukin (IL)-6 and IL-8 levels in CSF had a significant increase, generating a substantial concentration gradient between the CSF and the blood. Conclusion Reduced blood CD4+ T-cell counts among patients who had severe hemorrhagic stroke increased the risk of early infection. CSF IL-6 and IL-8 may be involved in inducing the migration of CD4+ T cells into the CSF and decreasing blood CD4+ T-cell levels.
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Affiliation(s)
- Yating Wang
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Junshuang Guo
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Immunology, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Fan Yang
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Ruirui Dong
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Dandan Song
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Peipei Huang
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Lijun Wen
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Guoliang Xiang
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Shuiyu Wang
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Junfang Teng
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Wang Miao
- Neuro-Intensive Care Unit of the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Tongyoo S, Viarasilpa T, Vichutavate M, Permpikul C. Prevalence and independent predictors of in-hospital stroke among patients who developed acute alteration of consciousness in the medical intensive care unit: A retrospective case-control study. SOUTHERN AFRICAN JOURNAL OF CRITICAL CARE 2023; 39:10.7196/SAJCC.2023.v39i1.558. [PMID: 37521958 PMCID: PMC10378195 DOI: 10.7196/sajcc.2023.v39i1.558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 02/09/2023] [Indexed: 08/01/2023] Open
Abstract
Background In-hospital stroke is a serious event, associated with poor outcomes and high mortality. However, identifying signs of stroke may be more difficult in critically ill patients. Objectives This study investigated the prevalence and independent predictors of in-hospital stroke among patients with acute alteration of consciousness in the medical intensive care unit (MICU) who underwent subsequent brain computed tomography (CT). Methods This retrospective study enrolled eligible patients during the period 2007 - 2017. The alterations researched were radiologically confirmed acute ischaemic stroke (AIS) and intracerebral haemorrhage (ICH). Results Of 4 360 patients, 113 underwent brain CT. Among these, 31% had AIS, while 15% had ICH. They had higher diastolic blood pressures and arterial pH than non-stroke patients. ICH patients had higher mean (standard deviation (SD) systolic blood pressures (152 (48) v. 129 (25) mmHg; p=0.01), lower mean (SD) Glasgow Coma Scale scores (4 (3) v. 7 (4); p=0.004), and more pupillary abnormalities (75% v. 9%; p<0.001) than AIS patients. AIS patients were older (65 (18) v. 57 (18) years; p=0.03), had more hypertension (60% v. 39%; p=0.04), and more commonly presented with the Babinski sign (26% v. 9%; p=0.04). Multivariate analysis found that pupillary abnormalities independently predicted ICH (adjusted odds ratio (aOR) 26.9; 95% CI 3.7 - 196.3; p=0.001). The Babinski sign (aOR 5.1; 95% CI 1.1 - 23.5; p=0.04) and alkalaemia (arterial pH >7.4; aOR 3.6; 95% CI 1.0 - 12.3; p=0.05) independently predicted AIS. Conclusion Forty-six percent of the cohort had ICH or AIS. Both conditions had high mortality. The presence of pupillary abnormalities predicts ICH, whereas the Babinski sign and alkalaemia predict AIS. Contributions of the study The present study reports that almost half (46%) of critically ill patients with alterations of consciousness had an acute stroke. Of these, two-thirds had an acute ischaemic stroke (AIS), and one-third had an intracranial haemorrhage (ICH). Multivariate analysis revealed that a pupillary abnormality was a predictor for ICH and the Babinski sign was identified as a predictor of AIS.
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Affiliation(s)
- S Tongyoo
- Faculty of Medicine, Mahidol University; Siriraj Hospital, Bangkoknoi, Bangkok, Thailand
| | - T Viarasilpa
- Faculty of Medicine, Mahidol University; Siriraj Hospital, Bangkoknoi, Bangkok, Thailand
| | - M Vichutavate
- Faculty of Medicine, Mahidol University; Siriraj Hospital, Bangkoknoi, Bangkok, Thailand
| | - C Permpikul
- Faculty of Medicine, Mahidol University; Siriraj Hospital, Bangkoknoi, Bangkok, Thailand
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11
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Shi J, Liu Y, Wei L, Guan W, Xia W. Admission neutrophil-to-lymphocyte ratio to predict 30-day mortality in severe spontaneous basal ganglia hemorrhage. Front Neurol 2023; 13:1062692. [PMID: 36703640 PMCID: PMC9871822 DOI: 10.3389/fneur.2022.1062692] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 12/14/2022] [Indexed: 01/11/2023] Open
Abstract
Background Spontaneous intracerebral hemorrhage (ICH) usually occurs in the basal ganglia and is highly lethal and disabling. The aim of this study was to evaluate the predictors of 30-day mortality in patients with severe spontaneous basal ganglia hemorrhage. Methods This retrospective study included patients with severe basal ganglia intracerebral hemorrhage treated in the Third Affiliated Hospital of Soochow University from 2012 to 2018. Demographic, clinical, laboratory and neuroradiological data were collected. The short-term prognosis was evaluated and divided into death within 30-days and survival over 30-days. We studied the factors affecting the prognosis of patients with severe intracerebral hemorrhage, analyzed the parameters related to neutrophil-to-lymphocyte (NLR) at admission, and evaluated the predictive effect of NLR on 30-day mortality. Results A total of 105 patients was included in this retrospective study. The 30-day death group had a larger hematoma, a higher probability of ventricular hemorrhage, a higher ICH score and a lower Glasgow Coma Scale (GCS) score on admission. Meanwhile, the patients in the death group had higher White blood cells (WBC) counts, neutrophil counts, NLRs and C-reactive protein (CRP) levels. The risk factors for 30-day death were related to the ICH volume, GCS score, ICH score, WBC count, neutrophil count, NLR and CRP. The univariate receiver operating characteristic (ROC) curve of the risk factors showed that the NLR had the best prediction performance. Mathematical predictive models for ICH patients showed that the model with NLR had better prediction accuracy. Conclusions The NLR is expected to be a potential biomarker for predicting the prognosis of patients with severe basal ganglia hemorrhage.
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Affiliation(s)
- Jia Shi
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Yu Liu
- Department of Rehabilitation Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Li Wei
- Department of Blood Transfusion, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Wei Guan
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China,*Correspondence: Wei Guan ✉
| | - Weimin Xia
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, China,Weimin Xia ✉
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12
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Li Z, Khan S, Liu Y, Wei R, Yong VW, Xue M. Therapeutic strategies for intracerebral hemorrhage. Front Neurol 2022; 13:1032343. [PMID: 36408517 PMCID: PMC9672341 DOI: 10.3389/fneur.2022.1032343] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 10/17/2022] [Indexed: 09/03/2023] Open
Abstract
Stroke is the second highest cause of death globally, with an increasing incidence in developing countries. Intracerebral hemorrhage (ICH) accounts for 10-15% of all strokes. ICH is associated with poor neurological outcomes and high mortality due to the combination of primary and secondary injury. Fortunately, experimental therapies are available that may improve functional outcomes in patients with ICH. These therapies targeting secondary brain injury have attracted substantial attention in their translational potential. Here, we summarize recent advances in therapeutic strategies and directions for ICH and discuss the barriers and issues that need to be overcome to improve ICH prognosis.
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Affiliation(s)
- Zhe Li
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
| | - Suliman Khan
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
| | - Yang Liu
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
| | - Ruixue Wei
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
| | - V. Wee Yong
- Department of Clinical Neurosciences, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Mengzhou Xue
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
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Xu M, Jin P, Huang Y, Qian Y, Lin M, Zuo J, Zhu J, Li Z, Dong M. Case report: Prenatal diagnosis of fetal intracranial hemorrhage due to compound mutations in the JAM3 gene. Front Genet 2022; 13:1036231. [PMID: 36339007 PMCID: PMC9629614 DOI: 10.3389/fgene.2022.1036231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 10/03/2022] [Indexed: 11/24/2022] Open
Abstract
Intracranial hemorrhage is a common complication in preterm infants but occasionally occurs in fetuses. Disruptions of the genes, such as the COL4A1 and COL4A2 genes, are common genetic causes identified in fetal intracranial hemorrhage; however, the disruptions of the JAM3 gene are rarely reported. In the current investigation, fetal intracranial hemorrhage and dilated lateral ventricles were observed in three consecutive siblings in a pedigree. The pregnancies were terminated, and whole-exome sequencing, followed by Sanger sequencing, was performed on the affected fetuses. Pre-implantation genetic testing for monogenic diseases was performed to avoid the recurrence. The compound heterozygous variants of c.712 + 2T > A and c.813C > G p.Tyr271* in the JAM3 gene (NM_032801.4) were identified in the proband and its affected brother, which were predicted to be pathogenic. The variant of c.813C > G p.Tyr271* but not c.712 + 2T > A was identified in the fourth fetus, implying a good prognosis. Our findings expanded the spectrum of the pathogenic mutations in the JAM3 gene and revealed an important application of fetal whole-exome sequencing in idiopathic fetal intracranial hemorrhage.
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Affiliation(s)
- Min Xu
- Laboratory of Prenatal Diagnosis, Mindong Hospital Affiliated to Fujian Medical University, Ningde, China
| | - Pengzhen Jin
- Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yingzhi Huang
- Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yeqing Qian
- Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Miaochun Lin
- Laboratory of Prenatal Diagnosis, Mindong Hospital Affiliated to Fujian Medical University, Ningde, China
| | - Juan Zuo
- Laboratory of Prenatal Diagnosis, Mindong Hospital Affiliated to Fujian Medical University, Ningde, China
| | - Jin Zhu
- Laboratory of Prenatal Diagnosis, Mindong Hospital Affiliated to Fujian Medical University, Ningde, China
| | - Zhaohui Li
- Laboratory of Prenatal Diagnosis, Mindong Hospital Affiliated to Fujian Medical University, Ningde, China
- *Correspondence: Zhaohui Li, ; Minyue Dong,
| | - Minyue Dong
- Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Reproductive Genetics, Ministry of Education, Hangzhou, China
- *Correspondence: Zhaohui Li, ; Minyue Dong,
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14
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Luo S, Yang WS, Shen YQ, Chen P, Zhang SQ, Jia Z, Li Q, Zhao JT, Xie P. The clinical value of neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and D-dimer-to-fibrinogen ratio for predicting pneumonia and poor outcomes in patients with acute intracerebral hemorrhage. Front Immunol 2022; 13:1037255. [PMID: 36300107 PMCID: PMC9589455 DOI: 10.3389/fimmu.2022.1037255] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 09/26/2022] [Indexed: 11/30/2022] Open
Abstract
Background This study aimed to investigate the neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and D-dimer-to-fibrinogen ratio (DFR) as predictors of pneumonia and poor outcomes in patients with acute intracerebral hemorrhage (ICH). Methods We retrospectively examined patients with acute ICH treated in our institution from May 2018 to July 2020. Patient characteristics, laboratory testing data, radiologic imaging data, and 90-day outcomes were recorded and analyzed. Results Among the 329 patients included for analysis, 183 (55.6%) developed pneumonia. Systolic blood pressure, initial hematoma volume, D-dimer concentration, NLR, PLR, DFR, and white blood cell, platelet, neutrophil, and lymphocyte counts at admission were significantly higher in patients who developed pneumonia than in those who did not; however, the Glasgow coma scale (GCS) score at admission was significantly lower in pneumonia patients compared with non-pneumonia patients (all P <0.05). Multivariate logistic regression showed that the NLR and PLR were independent predictors of pneumonia, and the NLR and DFR were independent predictors of poor 90-day outcomes (modified Rankin scale score 4–6). Conclusion The NLR and PLR were independent predictors of pneumonia and the NLR and DFR were independent predictors of poor 90-day outcomes. The NLR, PLR, and DFR can provide prognostic information about acute ICH patients.
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Affiliation(s)
- Sai Luo
- Department of Neurology, The Fourth Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Wen-Song Yang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yi-Qing Shen
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ping Chen
- Department of General Practice, The Fourth Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Shu-Qiang Zhang
- Department of Radiology, Chongqing University FuLing Hospital, Chongqing, China
| | - Zhen Jia
- Department of Radiology, The Fourth Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Qi Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jian-Ting Zhao
- Department of Neurology, The Fourth Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
- *Correspondence: Jian-Ting Zhao, ; Peng Xie,
| | - Peng Xie
- Department of Neurology, The Fourth Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
- *Correspondence: Jian-Ting Zhao, ; Peng Xie,
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15
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Yang J, Jing J, Chen S, Liu X, Tang Y, Pan C, Tang Z. Changes in Cerebral Blood Flow and Diffusion-Weighted Imaging Lesions After Intracerebral Hemorrhage. Transl Stroke Res 2022; 13:686-706. [PMID: 35305264 DOI: 10.1007/s12975-022-00998-6] [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] [Received: 11/26/2021] [Revised: 02/10/2022] [Accepted: 02/11/2022] [Indexed: 11/25/2022]
Abstract
Intracerebral hemorrhage (ICH) is a common subtype of stroke and places a great burden on the family and society with a high mortality and disability rate and a poor prognosis. Many findings from imaging and pathologic studies have suggested that cerebral ischemic lesions visualized on diffusion-weighted imaging (DWI) in patients with ICH are not rare and are generally considered to be associated with poor outcome, increased risk of recurrent (ischemic and hemorrhagic) stroke, cognitive impairment, and death. In this review, we describe the changes in cerebral blood flow (CBF) and DWI lesions after ICH and discuss the risk factors and possible mechanisms related to the occurrence of DWI lesions, such as cerebral microangiopathy, cerebral atherosclerosis, aggressive early blood pressure lowering, hyperglycemia, and inflammatory response. We also point out that a better understanding of cerebral DWI lesions will be a key step toward potential therapeutic interventions to improve long-term recovery for patients with ICH.
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Affiliation(s)
- Jingfei Yang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, NO, China
| | - Jie Jing
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, NO, China
| | - Shiling Chen
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, NO, China
| | - Xia Liu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, NO, China
| | - Yingxin Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, NO, China
| | - Chao Pan
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, NO, China.
| | - Zhouping Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, NO, China.
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16
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Lin H, Shen J, Zhu Y, Zhou L, Zhang S, Liu Z, Wu F, Zhan R. Serum CCL23 emerges as a biomarker for poor prognosis in patients with intracerebral hemorrhage. Clin Chim Acta 2022; 537:188-193. [DOI: 10.1016/j.cca.2022.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/14/2022] [Accepted: 10/14/2022] [Indexed: 11/03/2022]
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17
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Transfusion-Associated Adverse Events: A Case Report of Nurse Hemovigilance and Recognition of Respiratory Distress. JOURNAL OF INFUSION NURSING 2022; 45:264-269. [PMID: 36112874 DOI: 10.1097/nan.0000000000000483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Although blood transfusions are considered a potentially life-saving therapy, noninfectious and infectious adverse events can lead to significant morbidities and even mortality. Vital signs and visual observation of patients during blood transfusions are thoroughly taught in nursing school. Updated terms of hemovigilance and transfusion-associated adverse events ( TAAEs ) are presented through this case study. A patient with factor V deficiency, which requires chronic plasma transfusions, experienced 2 types of TAAEs, anaphylaxis and transfusion-associated circulatory overload. The patient's history and TAAEs are presented and discussed to provide evidence for the importance of vigilant bedside surveillance. Early identification of TAAEs may prevent unnecessary morbidity and/or mortality. The primary nursing functions and responsibilities are presented with algorithmic supplementation to facilitate better understanding of best practice. Ongoing assessment of hemovigilance practices is indicated to ascertain which monitoring tools can lead to optimal patient care.
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18
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Wang S, Xu X, Yu Q, Hu H, Han C, Wang R. Combining modified Graeb score and intracerebral hemorrhage score to predict poor outcome in patients with spontaneous intracerebral hemorrhage undergoing surgical treatment. Front Neurol 2022; 13:915370. [PMID: 35968295 PMCID: PMC9373905 DOI: 10.3389/fneur.2022.915370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 07/11/2022] [Indexed: 12/02/2022] Open
Abstract
Objective Spontaneous intracerebral hemorrhage (sICH) is a frequently encountered neurosurgical disease. The purpose of this study was to evaluate the relationship between modified Graeb Score (mGS) at admission and clinical outcomes of sICH and to investigate whether the combination of ICH score could improve the accuracy of outcome prediction. Methods We retrospectively reviewed the medical records of 511 patients who underwent surgery for sICH between January 2017 and June 2021. Patient outcome was evaluated by the Glasgow Outcome Scale (GOS) score at 3 months following sICH, where a GOS score of 1–3 was defined as a poor prognosis. Univariate and multivariate logistic regression analyses were conducted to determine risk factors for unfavorable clinical outcomes. Receiver operating characteristic (ROC) curve analysis was performed to detect the optimal cutoff value of mGS for predicting clinical outcomes. An ICH score combining mGS was created, and the performance of the ICH score combining mGS was assessed for discriminative ability. Results Multivariate analysis demonstrated that a higher mGS score was an independent predictor for poor prognosis (odds ratio [OR] 1.207, 95% confidence interval [CI], 1.130–1.290, p < 0.001). In ROC analysis, an optimal cutoff value of mGS to predict the clinical outcome at 3 months after sICH was 11 (p < 0.001). An increasing ICH-mGS score was associated with increased poor functional outcome. Combining ICH score with mGS resulted in an area under the curve (AUC) of 0.790, p < 0.001. Conclusion mGS was an independent risk factor for poor outcome and it had an additive predictive value for outcome in patients with sICH. Compared with the ICH score and mGS alone, the ICH score combined with mGS revealed a significantly higher discriminative ability for predicting postoperative outcome.
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Affiliation(s)
- Shen Wang
- Department of Neurosurgery, Shanghai University of Medicine and Health Sciences Affiliated Jia Ding Hospital, Shanghai, China
| | - Xuxu Xu
- Department of Neurosurgery, Shanghai Minhang District Central Hospital, Shanghai, China
| | - Qiang Yu
- Department of Neurosurgery, Fuyang Fifth People's Hospital, Anhui, China
| | - Haicheng Hu
- Department of Neurosurgery, Fuyang Fifth People's Hospital, Anhui, China
| | - Chao Han
- Department of Neurosurgery, Fuyang Fifth People's Hospital, Anhui, China
| | - Ruhai Wang
- Department of Neurosurgery, Fuyang Fifth People's Hospital, Anhui, China
- *Correspondence: Ruhai Wang
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Chen C, Girgenti S, Mallick D, Marsh EB. When less is more: Non-contrast head CT alone to work-up hypertensive intracerebral hemorrhage. J Clin Neurosci 2022; 100:108-112. [PMID: 35447508 PMCID: PMC11031262 DOI: 10.1016/j.jocn.2022.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/26/2022] [Accepted: 04/08/2022] [Indexed: 11/27/2022]
Abstract
Hypertension is a common cause of intracerebral hemorrhage (ICH). The work up typically involves neuroimaging of the brain and blood vessels to determine etiology. However, extensive testing may be unnecessary for presumed hypertensive hemorrhages, and instead prolong hospital stay and increase costs. This study evaluates the predictive utility of hemorrhage location on the non-contrast head CT in determining hypertensive ICH. Patients presenting with non-traumatic ICH between March 2014 and June 2019 were prospectively enrolled. Hemorrhage etiology was determined based on previously defined criteria. Chi square and Student's t tests were used to determine the association between patient demographics, ICH severity, neuroimaging characteristics, and medical variables, with hypertensive etiology. Multivariable regression models and an ROC analysis determined utility of CT to accurately diagnose hypertensive ICH. Data on 380 patients with ICH were collected; 42% were determined to be hypertensive. Along with deep location on CT, black race, history of hypertension, renal disease, left ventricular hypertrophy, and higher admission blood pressure were significantly associated with hypertensive etiology, while atrial fibrillation and anticoagulation were associated with non-hypertensive etiologies. Deep location alone resulted in an area under the curve of 0.726. When history of hypertension was added, this improved to 0.771. Additional variables did not further improve the model's predictability. Hypertensive ICH is associated with several predictive factors. Using deep location and history of hypertension alone correctly identifies the majority of hypertensive ICH without additional work-up. This model may result in more efficient diagnostic testing without sacrificing patient care.
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Affiliation(s)
- Claire Chen
- Johns Hopkins School of Medicine, Department of Neurology, Baltimore, MD, United States
| | - Sophia Girgenti
- Johns Hopkins School of Medicine, Department of Neurology, Baltimore, MD, United States
| | - Dania Mallick
- Johns Hopkins School of Medicine, Department of Neurology, Baltimore, MD, United States
| | - Elisabeth B Marsh
- Johns Hopkins School of Medicine, Department of Neurology, Baltimore, MD, United States.
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Wan Y, Guo H, Bi R, Chen S, Shen J, Li M, Xia Y, Zhang L, Sun Z, Chen X, Cai Z, Wang Z, Gong D, Xu J, Zhu D, Hu B, He Q. Clinical and Prognostic Characteristics of Recurrent Intracerebral Hemorrhage: A Contrast to First-Ever ICH. Front Aging Neurosci 2022; 14:860571. [PMID: 35493945 PMCID: PMC9047504 DOI: 10.3389/fnagi.2022.860571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 02/28/2022] [Indexed: 11/18/2022] Open
Abstract
This study aimed to compare clinical and prognostic characteristics between recurrent and first-ever ICH. Four thousand twelve patients entered the study, and 64% of them were male. The median age is 62 years (interquartile range, 55–71). Among them, 3,750 (93.5%) patients had no experience of previous ICH, and 262 (6.5%) patients were considered as recurrent ICH. We compared demographic data, baseline clinical characteristics, imaging information, hematological parameters, and clinical outcomes between recurrent and first-ever ICH. We found that recurrent ICH was significantly associated with older age, more frequent history of ischemic heart disease, ischemic stroke, hypertension, and hyperlipidemia, while patients with recurrent ICH had previously received more antihypertensive therapy, and showed lower admission blood pressure (median, 160 vs. 167 mmHg) and higher baseline of National Institute of Health stroke scale (NIHSS) score (median, 10 vs. 9). We also demonstrated that recurrent ICH was an independent risk factor of 3-month function dependence after adjusting for many potentially competitive risk factors.
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Affiliation(s)
- Yan Wan
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongxiu Guo
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rentang Bi
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shaoli Chen
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing Shen
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Man Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuanpeng Xia
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lei Zhang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhou Sun
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaolu Chen
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhuoyuan Cai
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhaowei Wang
- Department of Neurology, Qianjiang Central Hospital, Qianjiang, China
| | - Daokai Gong
- Department of Neurology, Jingzhou Central Hospital, Jingzhou, China
| | - Jingwen Xu
- Department of Neurology, Honghu People’s Hospital, Honghu, China
| | - Dongya Zhu
- School of Pharmacy, Nanjing Medical University, Nanjing, China
| | - Bo Hu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Bo Hu,
| | - Quanwei He
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Quanwei He,
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Hallan DR, Simion C, Rizk E. Early Versus Late Tracheostomy in Spontaneous Intracerebral Hemorrhage. Cureus 2022; 14:e24059. [PMID: 35573583 PMCID: PMC9097938 DOI: 10.7759/cureus.24059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 04/12/2022] [Indexed: 11/06/2022] Open
Abstract
INTRODUCTION Recent literature supports early tracheostomy (<=7 days) over delayed tracheostomy (>7 days-3 months) to improve overall clinical outcomes for patients admitted with an acute head injury. There is conflicting evidence for the same in hemorrhagic stroke. Using a multi-institutional database, we explored this question in nontraumatic spontaneous intracerebral hemorrhage (sICH) patients. METHODS We used a de-identified database network (TriNetX's Research Network) to gather information on early tracheostomy (<=7 days) and late tracheostomy (>7d-3 months) in sICH patients. After accounting for the most common comorbidities, we explored the impact of this intervention on multiple patient outcomes including intensive care unit (ICU) length of stay, pneumonia, and mortality at 30, 90, and 365 days. RESULTS After propensity score matching, a total of 1210 patients were identified for both early tracheostomy (cohort 1) and late tracheostomy (cohort 2) cohorts. The 30-day survival rate was 0.9287 in cohort 1 vs 0.9536 in cohort 2, with a risk difference of 2.39% (95% confidence interval (CI) 0.557%-4.23%; relative risk (RR) 1.54, 95% CI (1.10-2.15); OR 1.577, 95% CI (1.11-2.24); p = 0.006). The 90-day and 365-day end-point survival rates were not statistically different between cohorts. ICU level of care codes were billed an average of 9.76 (SD 8.964) times in cohort 1 vs 14.618 (SD 11.851) in cohort 2 (p<0.0001). At 365 days, there were no differences between the two groups for pulmonary embolism, myocardial infarction, deep venous thrombosis, palliative care consultation, and percutaneous endoscopic gastrostomy tube placement. Cohort 1 had decreased incidence of pneumonia with 665 (54.95%) patients compared to cohort 2 with 725 (59.91%) (RR 0.917, 95% CI (0.856-0.983), OR 0.816, 95% CI (0.695-0.95), p = 0.013). CONCLUSION Early tracheostomy in sICH patients was associated with decreased pneumonia risk, decreased length of ICU care, and no difference in mortality at 90 and 365 days.
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Affiliation(s)
- David R Hallan
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
| | - Christopher Simion
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
| | - Elias Rizk
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
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22
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Zhou Z, Wan H, Zhang H, Chen X, Wang X, Lili S, Zhang T. Segmentation of Spontaneous Intracerebral Hemorrhage on CT With a Region Growing Method Based on Watershed Preprocessing. Front Neurol 2022; 13:865023. [PMID: 35422751 PMCID: PMC9002175 DOI: 10.3389/fneur.2022.865023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/01/2022] [Indexed: 11/13/2022] Open
Abstract
Intracerebral hemorrhage (ICH) poses a great threat to human life due to its high incidence and poor prognosis. Identification of the bleeding location and quantification of the volume based on CT images are of great significance for assisting the diagnosis and treatment of ICH. In this study, a region-growing algorithm based on watershed preprocessing (RG-WP) was proposed to segment and quantify the hemorrhage. The lowest points yielded by the watershed algorithm were used as seed points for region growing and then hemorrhage was segmented based on the region growing method. At the same time, to integrate the rich experience of clinicians with the algorithm, manual selection of seed points on the basis of watershed segmentation was performed. With the application of segmentation on CT images of 55 patients with ICH, the performance of the RG-WP algorithm was evaluated by comparing it with manual segmentations delineated by professional clinicians as well as the traditional ABC/2 method and the deep learning algorithm U-net. The mean deviation of hemorrhage volume of the RG-WP algorithm from manual segmentation was −0.12 ml (range: −1.05–1.16), while that of the ABC/2 from the manual was 1.05 ml (range: −0.77–9.57). Strong agreement of the algorithm and the manual was confirmed with a high intraclass correlation coefficient (ICC) (0.998, 95% CI: 0.997–0.999), which was superior to that of the ABC/2 and the manual (0.972, 95% CI: 0.953–0.984). The sensitivity (Sen), positive predictive value (PPV), dice similarity index (DSI), and Jaccard index (JI) of the RG-WP algorithm compared to the manual were 0.92 ± 0.04, 0.95 ± 0.04, 0.93 ± 0.02, and 0.88 ± 0.04, respectively, showing high consistency. Besides, the accuracy of the algorithm was also comparable to that of the deep learning method U-net, with Sen, PPV, DSI, and JI being 0.91 ± 0.09, 0.91 ± 0.06, 0.91 ± 0.05, and 0.91 ± 0.06, respectively.
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Affiliation(s)
- Zhengsong Zhou
- Department of Electronic Information Engineering, Chengdu Jincheng College, Chengdu, China
| | - Hongli Wan
- Department of Epidemiology and Health Statistics, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Haoyu Zhang
- Department of Electronic Information Engineering, Chengdu Jincheng College, Chengdu, China
| | - Xumiao Chen
- Department of Electronic Information Engineering, Chengdu Jincheng College, Chengdu, China
| | - Xiaoyu Wang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China
| | - Shiluo Lili
- Department of Epidemiology and Health Statistics, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Tao Zhang
- Department of Epidemiology and Health Statistics, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
- *Correspondence: Tao Zhang
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Wang L, Luo S, Ren S, Yu H, Shen G, Wu G, Yang Q. Irregular-Shaped Hematoma Predicts Postoperative Rehemorrhage After Stereotactic Minimally Invasive Surgery for Intracerebral Hemorrhage. Front Neurol 2022; 13:727702. [PMID: 35359642 PMCID: PMC8961737 DOI: 10.3389/fneur.2022.727702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 02/08/2022] [Indexed: 11/13/2022] Open
Abstract
Background and PurposeMinimally invasive surgery (MIS) is performed to treat patients with intracerebral hemorrhage (ICH) with favorable results. However, postoperative rehemorrhage is a significant risk. The present study retrospectively analyzed the association of irregular-shaped hematoma with postoperative rehemorrhage following stereotactic MIS (sMIS).MethodsWe enrolled 548 patients with spontaneous ICH who underwent sMIS. Based on the hematoma shape, the patients were assigned to the regular-shaped hematoma group (RSH group; 300 patients) or irregular-shaped hematoma group (ISH group; 248 patients). Logistic regression analysis was performed to identify the predictors of postoperative rehemorrhage after sMIS for ICH evacuation. The functional outcome was assessed using the modified ranking scale (mRS) score at discharge. A receiver operating characteristic (ROC) curve was used to confirm the results.ResultsAmong 548 patients with ICH who underwent sMIS, 116 developed postoperative rehemorrhage. Postoperative rehemorrhage occurred in 30.65% of patients with ISH and 13.30% with RSH (P < 0.01), with a significant difference between the ISH and RSH groups. Among 116 patients with postoperative rehemorrhage, 76 (65.52%) showed ISH on CT scan. In 432 patients without postoperative rehemorrhage, only 39.81% displayed ISH. The logistic regression analysis demonstrated that ISH could independently predict postoperative rehemorrhage. The sensitivity, specificity, positive predictive value, and negative predicative value were 0.655, 0.398, 0.655, and 0.602, respectively. The ROC analysis confirmed the value of ISH in predicting postoperative rehemorrhage with an area under the curve of 0.629.ConclusionsIrregular-shaped hematoma was an independent predictor of postoperative rehemorrhage after sMIS.
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Affiliation(s)
- Likun Wang
- Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Sheng Luo
- Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Siying Ren
- Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Hui Yu
- Affiliated Hospital of Guizhou Medical University, Guiyang, China
- *Correspondence: Hui Yu
| | - Guiquan Shen
- Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Guofeng Wu
- Affiliated Hospital of Guizhou Medical University, Guiyang, China
- Guofeng Wu
| | - Qingwu Yang
- Second Affiliated Hospital of Army Military Medical University, Chongqing, China
- Qingwu Yang
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24
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Zhang Y, Khan S, Liu Y, Zhang R, Li H, Wu G, Tang Z, Xue M, Yong VW. Modes of Brain Cell Death Following Intracerebral Hemorrhage. Front Cell Neurosci 2022; 16:799753. [PMID: 35185473 PMCID: PMC8851202 DOI: 10.3389/fncel.2022.799753] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 01/04/2022] [Indexed: 12/11/2022] Open
Abstract
Intracerebral hemorrhage (ICH) is a devastating form of stroke with high rates of mortality and morbidity. It induces cell death that is responsible for neurological deficits postinjury. There are no therapies that effectively mitigate cell death to treat ICH. This review aims to summarize our knowledge of ICH-induced cell death with a focus on apoptosis and necrosis. We also discuss the involvement of ICH in recently described modes of cell death including necroptosis, pyroptosis, ferroptosis, autophagy, and parthanatos. We summarize treatment strategies to mitigate brain injury based on particular cell death pathways after ICH.
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Affiliation(s)
- Yan Zhang
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
| | - Suliman Khan
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
| | - Yang Liu
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
| | - Ruiyi Zhang
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
| | - Hongmin Li
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
| | - Guofeng Wu
- Department of Emergency, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Zhouping Tang
- Department of Neurology, Affiliated Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Mengzhou Xue
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Medical Key Laboratory of Translational Cerebrovascular Diseases, Zhengzhou, China
- *Correspondence: Mengzhou Xue,
| | - V. Wee Yong
- Hotchkiss Brain Institute and Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada
- V. Wee Yong,
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25
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He Q, Guo R, Zhang K, You C, Liu Y, Zeng Z. Prolonged stay of spontaneous intracranial hemorrhage patients in the emergency department is correlated with worse outcomes. World J Emerg Med 2022; 13:222-225. [PMID: 35646212 PMCID: PMC9108918 DOI: 10.5847/wjem.j.1920-8642.2022.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 12/20/2021] [Indexed: 09/17/2023] Open
Affiliation(s)
- Qian He
- Department of Emergency, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Rui Guo
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ke Zhang
- Department of Neurosurgery, the First People’s Hospital in Shuangliu Distract/West China Airport Hospital, Sichuan University, Chengdu 610041, China
| | - Chao You
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yi Liu
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zhi Zeng
- Department of Emergency, West China Hospital, Sichuan University, Chengdu 610041, China
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26
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McManus J, Ferreira J, Jones GM, Smetana KS, Condeni MS, Berger K, Witenko C, Smotherman C, Gautam S, Pizzi MA, Erdman MJ. Effect of desmopressin acetate on acute spontaneous intracranial hemorrhage in patients on antiplatelet therapy. J Neurol Sci 2022; 434:120142. [DOI: 10.1016/j.jns.2022.120142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 12/09/2021] [Accepted: 01/01/2022] [Indexed: 10/19/2022]
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27
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Ebrahimi H, Digaleh H, Pour-Rashidi A, Kazemi V, Hadadi A, Nasseri S, Mirzaii F, Mortazavi A, Amirjamshidi A. Spontaneous Intraparenchymal Hemorrhage in Patients with COVID-19: A Prospective Study and Literature Review. INDIAN JOURNAL OF NEUROSURGERY 2021. [DOI: 10.1055/s-0041-1735352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Abstract
Introduction Coronavirus disease 2019 (COVID-19) is a devastating pandemic that may also affect the nervous system. One of its neurological manifestations is intracerebral hemorrhage (ICH). Data about pure spontaneous intraparenchymal hemorrhage related to COVID-19 is scarce. In this study, we present some patients with COVID-19 disease who also had spontaneous intraparenchymal hemorrhage along with a review of the literature.
Methods This single-center prospective study was done among 2,862 patients with severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) between March 1 and November 1, 2020. Out of 2,862 patients with SARS-CoV-2, 14 patients with neurological manifestations were assessed with a noncontrast brain computed tomography scan. Seven patients with spontaneous intraparenchymal hemorrhage were enrolled.
Results All seven patients were male, with a mean age of 60.8 years old. Six patients (85.7%) only had minimal symptoms of COVID-19 without significant respiratory distress. The level of consciousness in two patients (28.5%) was less than eight, according to the Glasgow Coma Scale (GCS). Hypertension (71.4%) was the most common risk factor in their past medical history. The mean volume of hematoma was 41cc. Four patients died during hospitalization, and the others were discharged with a mean hospital stay of 42.6 days. All patients with GCS less than 11 died.
Conclusion It concluded that ICH patients with COVID-19 are related to higher blood volume, cortical and subcortical location of hemorrhage, higher fatality rate, and younger age that is different to spontaneous ICH in general population. We recommend more specific neuroimaging in patients with COVID 19 such as brain magnetic resonance imaging concomitant with vascular studies in future. The impact of COVID-19 on mortality rate is not clear because of limited epidemiologic studies, but identifying the causal relationship between COVID-19 and ICH requires further clinical and laboratory studies.
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Affiliation(s)
- Hannan Ebrahimi
- Department of Neurosurgery, Sina Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Hadi Digaleh
- Department of Neurosurgery, Sina Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Ahmad Pour-Rashidi
- Department of Neurosurgery, Sina Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Vahid Kazemi
- Department of Neurosurgery, Sina Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Azar Hadadi
- Department of Infectious Disease, Sina Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Shahin Nasseri
- Department of Neurosurgery, Sina Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Farshid Mirzaii
- Department of Neurosurgery, Sina Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Abolghasem Mortazavi
- Department of Neurosurgery, Sina Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Abbas Amirjamshidi
- Department of Neurosurgery, Sina Hospital, Tehran University of Medical Sciences (TUMS), Tehran, Iran
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Integrated Multiomics Analysis Identifies a Novel Biomarker Associated with Prognosis in Intracerebral Hemorrhage. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:2510847. [PMID: 36226158 PMCID: PMC8691985 DOI: 10.1155/2021/2510847] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 10/29/2021] [Indexed: 11/22/2022]
Abstract
Existing treatments for intracerebral hemorrhage (ICH) are unable to satisfactorily prevent development of secondary brain injury after ICH and multiple pathological mechanisms are involved in the development of the injury. In this study, we aimed to identify novel genes and proteins and integrated their molecular alternations to reveal key network modules involved in ICH pathology. A total of 30 C57BL/6 male mice were used for this study. The collagenase model of ICH was employed, 3 days after ICH animals were tested neurological. After it, animals were euthanized and perihematomal brain tissues were collected for transcriptome and TMT labeling-based quantitative proteome analyses. Protein-protein interaction (PPI) network, Gene Set Enrichment Analysis (GSEA), and regularized Canonical Correlation Analysis (rCCA) were performed to integrated multiomics data. For validation of hub genes and proteins, qRT-PCR and Western blot were carried out. The candidate biomarkers were further measured by ELISA in the plasma of ICH patients and the controls. A total of 2218 differentially expressed genes (DEGs) and 353 differentially expressed proteins (DEPs) between the ICH model group and control group were identified. GSEA revealed that immune-related gene sets were prominently upregulated and significantly enriched in pathways of inflammasome complex, negative regulation of interleukin-12 production, and pyroptosis during the ICH process. The rCCA network presented two highly connective clusters which were involved in the sphingolipid catabolic process and inflammatory response. Among ten hub genes screened out by integrative analysis, significantly upregulated Itgb2, Serpina3n, and Ctss were validated in the ICH group by qRT-PCR and Western blot. Plasma levels of human SERPINA3 (homologue of murine Serpina3n) were elevated in ICH patients compared with the healthy controls (SERPINA3: 13.3 ng/mL vs. 11.2 ng/mL, p = 0.015). Within the ICH group, higher plasma SERPINA3 levels with a predictive threshold of 14.31 ng/mL (sensitivity = 64.3%; specificity = 80.8%; AUC = 0.742, 95% CI: 0.567-0.916) were highly associated with poor outcome (mRS scores 4-6). Taken together, the results of our study exhibited molecular changes related to ICH-induced brain injury by multidimensional analysis and effectively identified three biomarker candidates in a mouse ICH model, as well as pointed out that Serpina3n/SERPINA3 was a potential biomarker associated with poor functional outcome in ICH patients.
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29
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Escudero D, Astola I, Balboa S, Leoz B, Meilan Á, Del Busto C, Quindós B, Forcelledo L, Vizcaino D, Martín L, Salgado E, Viña L. Clinico-radiological related to early brain death factors. Med Intensiva 2021; 46:1-7. [PMID: 34802992 DOI: 10.1016/j.medine.2021.11.005] [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: 10/31/2019] [Revised: 06/09/2020] [Accepted: 06/28/2020] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To identify clinical and radiological factors associated to early evolution to brain death (BD), defined as occurring within the first 24 h. DESIGN A retrospective cohort study was made covering the period 2015-2017. SETTING An adult Intensive Care Unit (ICU). PATIENTS/METHODS Epidemiological, clinical and imaging (CT scan) parameters upon admission to the ICU in patients evolving to BD. RESULTS A total of 166 patients with BD (86 males, mean age 62.7 years) were analyzed. Primary cause: intracerebral hemorrhage 42.8%, subarachnoid hemorrhage 18.7%, traumatic brain injury 17.5%, anoxia 9%, stroke 7.8%, other causes 4.2%. Epidemiological data: arterial hypertension 50%, dyslipidemia 34%, smoking 33%, antiplatelet medication 21%, alcoholism 19%, anticoagulant therapy 15%, diabetes 15%. The Glasgow Coma Score (GCS) upon admission was 3 in 68.8% of the cases in early BD versus in 38.2% of the cases in BD occurring after 24 h (p = 0.0001). Eighty-five patients presented supratentorial hematomas with a volume of 90.9 ml in early BD versus 82.7 ml in BD > 24 h (p = 0.54). The mean midline shift was 10.7 mm in early BD versus 7.8 mm in BD > 24 h (p = 0.045). Ninety-one patients presented ventriculomegaly and 38 additionally ependymal transudation (p = 0.021). Thirty-six patients with early BD versus 24 with BD > 24 h presented complete effacement of basal cisterns (p = 0.005), sulcular effacement (p = 0.013), loss of cortico-subcortical differentiation (p = 0.0001) and effacement of the suprasellar cistern (p = 0.005). The optic nerve sheath measurements showed no significant differences between groups. CONCLUSIONS Early BD (>24 h) was associated to GCS < 5, midline shift, effacement of the basal cisterns, cerebral sulci and suprasellar cistern, and ependymal transudation.
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Affiliation(s)
- D Escudero
- Servicio de Medicina Intensiva, Hospital Universitario Central de Asturias, Oviedo, Spain.
| | - I Astola
- Servicio de Medicina Intensiva, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - S Balboa
- Servicio de Medicina Intensiva, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - B Leoz
- Servicio de Medicina Intensiva, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Á Meilan
- Sección de Neurorradiología, Servicio de Radiología, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - C Del Busto
- Servicio de Medicina Intensiva, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - B Quindós
- Servicio de Medicina Intensiva, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - L Forcelledo
- Servicio de Medicina Intensiva, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - D Vizcaino
- Sección de Neurorradiología, Servicio de Radiología, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - L Martín
- Servicio de Medicina Intensiva, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - E Salgado
- Servicio de Medicina Intensiva, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - L Viña
- Servicio de Medicina Intensiva, Hospital Universitario Central de Asturias, Oviedo, Spain
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Kumar S, Andoniadis M, Solhpour A, Asghar S, Fangman M, Ashouri R, Doré S. Contribution of Various Types of Transfusion to Acute and Delayed Intracerebral Hemorrhage Injury. Front Neurol 2021; 12:727569. [PMID: 34777198 PMCID: PMC8586553 DOI: 10.3389/fneur.2021.727569] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 09/28/2021] [Indexed: 11/17/2022] Open
Abstract
Intracerebral hemorrhage (ICH) is the second most prevalent type of stroke, after ischemic stroke, and has exceptionally high morbidity and mortality rates. After spontaneous ICH, one primary goal is to restrict hematoma expansion, and the second is to limit brain edema and secondary injury. Various types of transfusion therapies have been studied as treatment options to alleviate the adverse effects of ICH etiopathology. The objective of this work is to review transfusions with platelets, fresh frozen plasma (FFP), prothrombin complex concentrate (PCC), and red blood cells (RBCs) in patients with ICH. Furthermore, tranexamic acid infusion studies have been included due to its connection to ICH and hematoma expansion. As stated, the first line of therapy is limiting bleeding in the brain and hematoma expansion. Platelet transfusion is used to promote recovery and mitigate brain damage, notably in patients with severe thrombocytopenia. Additionally, tranexamic acid infusion, FFP, and PCC transfusion have been shown to affect hematoma expansion rate and volume. Although there is limited available research, RBC transfusions have been shown to cause higher tissue oxygenation and lower mortality, notably after brain edema, increases in intracranial pressure, and hypoxia. However, these types of transfusion have varied results depending on the patient, hemostasis status/blood thinner, hemolysis, anemia, and complications, among other variables. Inconsistencies in published results on various transfusion therapies led us to review the data and discuss issues that need to be considered when establishing future guidelines for patients with ICH.
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Affiliation(s)
- Siddharth Kumar
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, FL, United States
| | - Matthew Andoniadis
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, FL, United States
| | - Ali Solhpour
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, FL, United States
| | - Salman Asghar
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, FL, United States
| | - Madison Fangman
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, FL, United States
| | - Rani Ashouri
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, FL, United States
| | - Sylvain Doré
- Department of Anesthesiology, University of Florida College of Medicine, Gainesville, FL, United States.,Departments of Psychiatry, Pharmaceutics, Psychology, and Neuroscience, Center for Translational Research in Neurodegenerative Disease, McKnight Brain Institute, University of Florida College of Medicine, Gainesville, FL, United States
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31
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Tran QK, Bzhilyanskaya V, Lurie T, Fairchild M, Rehan MA, Rashid A, Powell E, Pourmand A. Phenytoin prophylaxis and functional outcomes following spontaneous intracerebral hemorrhage: A systematic review and meta-analysis. J Neurol Sci 2021; 429:117624. [PMID: 34488044 DOI: 10.1016/j.jns.2021.117624] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 08/03/2021] [Accepted: 08/22/2021] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Seizure activity following spontaneous intracerebral hemorrhage (sICH) can worsen patients' comorbidity. However, data regarding whether seizure prophylaxis for sICH is associated with patients' poor functional outcome is inconclusive. We performed a systematic review and meta-analysis to assess the relationship between phenytoin prophylaxis and poor functional outcome after sICH. METHODS We conducted our search on PubMed, Scopus, and EMBASE databases as of October 30, 2020 for studies that included information on seizure prophylaxis and functional outcome in patients with sICH. Primary outcome was poor functional outcome at the longest follow-up in patients receiving seizure prophylaxis. The secondary outcome was poor functional outcome at 90 days follow-up. We conducted random effects meta-analysis and moderator analyses to detect sources of heterogeneity for our outcomes. RESULTS We included eleven studies in the final analysis with a total of 4268 patients. A moderator analysis further showed prospective studies had lower heterogeneity. We did not find an association between seizure prophylaxis and poor functional outcome at time of longest follow-up (OR 1.2, 95%CI 0.9-1.6, p-value = 0.22, I2 = 61%), nor at 90-day follow-up (OR 1.4, 95%CI 0.8-2.4, p-value = 0.24, I2 = 78%). CONCLUSION Seizure prophylaxis following sICH was not associated with worse functional outcomes at longest follow-up or at 90 days. Neither levetiracetam nor phenytoin was associated with outcome in our exploratory meta-regression, though there is a trend towards better outcomes in populations where there was a higher percentage of patients who received levetiracetam. More randomized trials are needed to confirm this observation.
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Affiliation(s)
- Quincy K Tran
- Research Associate Program in Emergency Medicine and Critical Care, Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD, USA; Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD, USA; The R Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Vera Bzhilyanskaya
- Research Associate Program in Emergency Medicine and Critical Care, Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Tucker Lurie
- Research Associate Program in Emergency Medicine and Critical Care, Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD, USA; University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Matthew Fairchild
- Research Associate Program in Emergency Medicine and Critical Care, Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Mehboob A Rehan
- Department of Medicine, University of Massachusetts Medical School, Worcester MA USA.
| | - Asma Rashid
- Department of Medicine, Eastern Idaho Regional Medical Center, Idaho Falls, ID, USA.
| | - Elizabeth Powell
- Research Associate Program in Emergency Medicine and Critical Care, Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD, USA; University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Ali Pourmand
- Department of Emergency Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA.
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Abstract
PURPOSE OF REVIEW Nontraumatic intracerebral hemorrhage (ICH) is the second most common type of stroke. This article summarizes the basic pathophysiology, classification, and management of ICH and discusses the available evidence on therapy for hematoma, hematoma expansion, and perihematomal edema. RECENT FINDINGS Current available data on potential therapeutic options for ICH are promising, although none of the trials have shown improvement in mortality rate. The literature available on reversal of anticoagulation and antiplatelet agents after an ICH and resumption of these medications is also increasing. SUMMARY ICH continues to have high morbidity and mortality. Advances in therapeutic options to target secondary brain injury from the hematoma, hematoma expansion, and perihematomal edema are increasing. Data on reversal therapy for anticoagulant-associated or antiplatelet-associated ICH and resumption of these medications are evolving.
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33
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[Clinical presentation of bleeding in critically ill patients in the intensive care unit : Organ systems and clinical implications]. Med Klin Intensivmed Notfmed 2021; 116:482-490. [PMID: 34427697 DOI: 10.1007/s00063-021-00845-w] [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: 06/21/2021] [Accepted: 07/09/2021] [Indexed: 10/20/2022]
Abstract
Bleedings are frequent and clinically important complications in critically ill patients in the intensive care unit, and-depending on location and intensity-are associated with high morbidity and mortality. The clinical impact of different bleeding entities is affected by the location (e.g. intracerebral bleedings), the severity (e.g. fulminant variceal bleeding) and the incidence (e.g. gastrointestinal bleeding) of the respective bleeding type. Therapy varies among bleeding entities, but consists of stabilization of the patient, control of the bleeding, and prevention of complications. This review describes relevant therapeutic aspects of selected bleeding complications in critically ill patients.
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Shi X, Bai H, Wang J, Wang J, Huang L, He M, Zheng X, Duan Z, Chen D, Zhang J, Chen X, Wang J. Behavioral Assessment of Sensory, Motor, Emotion, and Cognition in Rodent Models of Intracerebral Hemorrhage. Front Neurol 2021; 12:667511. [PMID: 34220676 PMCID: PMC8248664 DOI: 10.3389/fneur.2021.667511] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 05/20/2021] [Indexed: 11/15/2022] Open
Abstract
Intracerebral hemorrhage (ICH) is the second most common type of stroke and has one of the highest fatality rates of any disease. There are many clinical signs and symptoms after ICH due to brain cell injury and network disruption resulted from the rupture of a tiny artery and activation of inflammatory cells, such as motor dysfunction, sensory impairment, cognitive impairment, and emotional disturbance, etc. Thus, researchers have established many tests to evaluate behavioral changes in rodent ICH models, in order to achieve a better understanding and thus improvements in the prognosis for the clinical treatment of stroke. This review summarizes existing protocols that have been applied to assess neurologic function outcomes in the rodent ICH models such as pain, motor, cognition, and emotion tests. Pain tests include mechanical, hot, and cold pain tests; motor tests include the following 12 types: neurologic deficit scale test, staircase test, rotarod test, cylinder test, grid walk test, forelimb placing test, wire hanging test, modified neurologic severity score, beam walking test, horizontal ladder test, and adhesive removal test; learning and memory tests include Morris water maze, Y-maze, and novel object recognition test; emotion tests include elevated plus maze, sucrose preference test, tail suspension test, open field test, and forced swim test. This review discusses these assessments by examining their rationale, setup, duration, baseline, procedures as well as comparing their pros and cons, thus guiding researchers to select the most appropriate behavioral tests for preclinical ICH research.
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Affiliation(s)
- Xiaoyu Shi
- Department of Human Anatomy, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Huiying Bai
- Zhengzhou University Hospital Outpatient Surgery Center, Zhengzhou, China
| | - Junmin Wang
- Department of Human Anatomy, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Jiarui Wang
- Keieger School of Arts and Sciences, The Johns Hopkins University, Baltimore, MD, United States
| | - Leo Huang
- Department of Psychology, University of Toronto, Toronto, ON, Canada
| | - Meimei He
- Department of Human Anatomy, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Xuejun Zheng
- Department of Human Anatomy, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Zitian Duan
- Department of Human Anatomy, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Danyang Chen
- Department of Human Anatomy, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Jiaxin Zhang
- Saint John Paul the Great Catholic High School, Dumfries, VA, United States
| | - Xuemei Chen
- Department of Human Anatomy, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Jian Wang
- Department of Human Anatomy, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
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Shen J, Shao X, Ge R, Di G, Jiang X. Risk Factors for Postoperative Rebleeding and Short-Term Prognosis of Spontaneous Cerebellar Hemorrhage. Risk Manag Healthc Policy 2021; 14:2045-2053. [PMID: 34040467 PMCID: PMC8140942 DOI: 10.2147/rmhp.s309286] [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: 03/02/2021] [Accepted: 04/28/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose Postoperative rebleeding (PRB) is one of the most severe complications after hematoma evacuation of spontaneous intracerebral hemorrhage (ICH). PRB has been proven to be an independent risk factor for poor prognosis. Previous studies have shown that spot sign and blend sign are independent risk factors for PRB of spontaneous ICH. However, the risk factors for PRB of spontaneous cerebellar hemorrhage (SCH) have not been elucidated. The aim of the present study was to investigate the possible risk factors for PRB and short-term prognosis of patients with SCH. Patients and Methods This study identified 62 patients with SCH who underwent hematoma evacuation in our department. Risk factors for PRB and short-term prognosis were identified by a univariable logistic regression model, and predictors with a P value of less than 0.05 were included in the multivariable logistic regression model to identify independent predictors. A receiver operating characteristic (ROC) curve was created to test the sensitivity and specificity of independent risk factors. Results Hematoma volume was the only independent predictor of PRB (OR=15.14, 95% CI=1.08–213.1, P=0.044). The sensitivity and specificity of hematoma volume to PRB were 63.6% and 89.7%, respectively, and the cutoff value of hematoma volume was >29.3 mL. GCS score ≤8 (OR=5.131, 95% CI=1.030–25.554, P=0.046) and PRB (OR=13.17, 95% CI=1.316–131.798, P=0.028) were independent risk factors for poor prognosis of patients with SCH. The sensitivity and specificity of the GCS score to poor prognosis were 66.7% and 86.2%, respectively. The sensitivity and specificity of the PRB to poor prognosis were 36.4% and 96.6%, respectively. Conclusion Hematoma volume is likely to be a strong predictor of PRB among patients with SCH. GCS scores ≤8 on arrival and PRB were significant predictors of short-term poor outcome.
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Affiliation(s)
- Jun Shen
- Department of Neurosurgery, The First Affiliated Hospital (YiJiShan Hospital) of Wannan Medical College, Wuhu City, Anhui, 241001, People's Republic of China
| | - Xuefei Shao
- Department of Neurosurgery, The First Affiliated Hospital (YiJiShan Hospital) of Wannan Medical College, Wuhu City, Anhui, 241001, People's Republic of China
| | - Ruixiang Ge
- Department of Neurosurgery, The First Affiliated Hospital (YiJiShan Hospital) of Wannan Medical College, Wuhu City, Anhui, 241001, People's Republic of China
| | - Guangfu Di
- Department of Neurosurgery, The First Affiliated Hospital (YiJiShan Hospital) of Wannan Medical College, Wuhu City, Anhui, 241001, People's Republic of China
| | - Xiaochun Jiang
- Department of Neurosurgery, The First Affiliated Hospital (YiJiShan Hospital) of Wannan Medical College, Wuhu City, Anhui, 241001, People's Republic of China
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36
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Yang WS, Shen YQ, Wei X, Zhao LB, Liu QJ, Xie XF, Zhang ZW, Deng L, Lv XN, Zhang SQ, Li XH, Li Q, Xie P. New Prediction Models of Functional Outcome in Acute Intracerebral Hemorrhage: The dICH Score and uICH Score. Front Neurol 2021; 12:655800. [PMID: 34025559 PMCID: PMC8131837 DOI: 10.3389/fneur.2021.655800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 03/19/2021] [Indexed: 11/18/2022] Open
Abstract
Objectives: The original intracerebral hemorrhage (oICH) score is the severity score most commonly used in clinical intracerebral hemorrhage (ICH) research but may be influenced by hematoma expansion or intraventricular hemorrhage (IVH) growth in acute ICH. Here, we aimed to develop new clinical scores to improve the prediction of functional outcomes in patients with ICH. Methods: Patients admitted to the First Affiliated Hospital of Chongqing Medical University with primary ICH were prospectively enrolled in this study. Hematoma volume was measured using a semiautomated, computer-assisted technique. The dynamic ICH (dICH) score was developed by incorporating hematoma expansion and IVH growth into the oICH score. The ultra-early ICH (uICH) score was developed by adding the independent non-contrast CT markers to the oICH score. Receiver operating characteristic curve analysis was used to compare performance among the oICH score, dICH score, and uICH score. Results: There were 310 patients in this study which included 72 patients (23.2%) with hematoma expansion and 58 patients (18.7%) with IVH growth. Of 31 patients with two or more non-contrast computed tomography markers, 61.3% died, and 96.8% had poor outcomes at 90 days. After adjustment for potential confounding variables, we found that age, baseline Glasgow Coma Scale score, presence of IVH on initial CT, baseline ICH volume, infratentorial hemorrhage, hematoma expansion, IVH growth, blend sign, black hole sign, and island sign could independently predict poor outcomes in multivariate analysis. In comparison with the oICH score, the dICH score and uICH score exhibited better performance in the prediction of poor functional outcomes. Conclusions: The dICH score and uICH score were useful clinical assessment tools that could be used for risk stratification concerning functional outcomes and provide guidance in clinical decision-making in acute ICH.
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Affiliation(s)
- Wen-Song Yang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,National Health Commission Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yi-Qing Shen
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,National Health Commission Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiao Wei
- Department of Traditional Chinese Medicine, Chongqing Medical and Pharmaceutical College, Chongqing, China
| | - Li-Bo Zhao
- Department of Neurology, Yongchuan Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Cerebrovascular Disease Research, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
| | - Qing-Jun Liu
- Department of Neurology, Yongchuan Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Cerebrovascular Disease Research, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
| | - Xiong-Fei Xie
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhi-Wei Zhang
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Lan Deng
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xin-Ni Lv
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Shu-Qiang Zhang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xin-Hui Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,National Health Commission Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qi Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,National Health Commission Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Cerebrovascular Disease Research, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
| | - Peng Xie
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,National Health Commission Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Cerebrovascular Disease Research, Yongchuan Hospital of Chongqing Medical University, Chongqing, China
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37
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Small C, Attridge RL, Franco-Martinez C, Donnelly J, Barthol C. Prothrombin Complex Concentrate Use in Intracranial Hemorrhage Patients With Cirrhosis Not on Prior Anticoagulation. J Intensive Care Med 2021; 37:633-640. [PMID: 33942655 DOI: 10.1177/08850666211012650] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND/OBJECTIVE Patients with intracranial hemorrhage (ICH) have a 30-day mortality rate up to 52%, and the risk of mortality is increased in patients with disease-induced coagulopathy such as cirrhosis. The objective of this study was to evaluate whether 4F-PCC administration mitigates hematoma expansion in ICH patients with cirrhosis not currently receiving anticoagulation therapy compared to standard of care therapies. METHODS This was a single-center, retrospective study comparing adult patients with ICH and history of cirrhosis who received 4F-PCC versus standard of care therapies. The primary outcome was rate of ICH expansion within 24 hours after admission. RESULTS A total of 58 patients were included with 21 who received 4FPCC vs 37 who received standard of care therapies. The 4F-PCC group had a significantly higher number of patients with Child Pugh Class C cirrhosis (85.7% vs. 48.6%, P = 0.006), higher baseline INR (1.7 vs. 1.4, P = 0.001) and more patients with a spontaneous cause of hemorrhage (61.9% vs. 29.7%, P = 0.01). Stable follow-up head CT was achieved in 68.4% of patients who received 4F-PCC versus 72.7% of patients treated with standard of care therapies (P = 0.11). Patients who received 4F-PCC had a significantly greater change in INR within 24 hours (-0.2 vs. 0, P = 0.02) and higher rate of mortality (61.9% vs. 18.9%, P = 0.001). Baseline INR > 2 and surgical evacuation for ICH were associated with decreased odds of stable follow-up head CT in the multivariate logistic regression model. CONCLUSIONS A single dose of 4F-PCC did not significantly improve the rate of stable head CT at 24 hours in patients with ICH and cirrhosis. Randomized clinical trials with larger patient populations are warranted to fully determine the role of 4F-PCC in this unique population.
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Affiliation(s)
- Clay Small
- University Health System, San Antonio, TX, USA.,The University of Texas at Austin College of Pharmacy, Pharmacotherapy Division, Austin, TX, USA
| | - Rebecca L Attridge
- University Health System, San Antonio, TX, USA.,UT Health, San Antonio, TX, USA.,The University of the Incarnate Word Feik School of Pharmacy, San Antonio, TX, USA
| | - Crystal Franco-Martinez
- University Health System, San Antonio, TX, USA.,The University of Texas at Austin College of Pharmacy, Pharmacotherapy Division, Austin, TX, USA
| | - Jonathan Donnelly
- University Health System, San Antonio, TX, USA.,UT Health, San Antonio, TX, USA
| | - Colleen Barthol
- University Health System, San Antonio, TX, USA.,The University of Texas at Austin College of Pharmacy, Pharmacotherapy Division, Austin, TX, USA
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Davis NW, Sheehan TO, Guo Y, Kelly DL, Horgas AL, Yoon SL. Factors Associated With Emergency Department Length of Stay and In-hospital Mortality in Intracerebral Hemorrhage Patients. J Neurosci Nurs 2021; 53:92-98. [PMID: 33538458 DOI: 10.1097/jnn.0000000000000572] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT BACKGROUND: Spontaneous intracerebral hemorrhage (ICH) is a medical emergency that requires rapid identification and focused assessment early to ensure the best possible outcomes. The purpose of this study is to evaluate the associations between system and patient factors and emergency department (ED) length of stay and in-hospital mortality in patients given a diagnosis of ICH. METHODS: A sample of 3108 ICH patients was selected from a statewide administrative database for cross-sectional retrospective analysis. System characteristic (hospital stroke certification), patient characteristics (age, sex, and race), and covariate conditions (stroke severity and comorbidities) were analyzed using descriptive statistics and hierarchical logistic regression models to address the study questions. RESULTS: The mean ED length of stay is 2.9 ± 3 hours (range, 0-42 hours) before admission to an inpatient unit. Inpatient mortality is 14.9%. Stroke center certification (P < .000) and stroke severity (P ≤ .000) are significant predictors of ED length of stay, whereas age (P < .000), stroke severity (P < .000), comorbidities (P = .047), and ED length of stay (P = .04) are significant predictors of in-hospital mortality. Most notably, an ED length of stay of 3 hours or longer has a 37% increase in the odds of in-hospital mortality. CONCLUSION: Our findings support age, stroke severity, and ED length of stay as predictors of in-hospital mortality for ICH patients. The importance of timely admission to an inpatient unit is emphasized. Optimal systems of care and expedited inpatient admission are vital to reduce morbidity and mortality for ICH stroke patients.
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Ray PS. Surgery for Spontaneous Intracerebral Hemorrhage: Current Concept. INDIAN JOURNAL OF NEUROSURGERY 2021. [DOI: 10.1055/s-0041-1726865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Partha S. Ray
- Department of Neurology and Clinical Neurophysiology, The Walton Centre for Neurology, National Health Service, Liverpool, United Kingdom
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40
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Tan Y, Gu Y, Zhao Y, Lu Y, Liu X, Zhao Y. Effects of Hemodialysis on Prognosis in Individuals with Comorbid ERSD and ICH: A Retrospective Single-Center Study. J Stroke Cerebrovasc Dis 2021; 30:105686. [PMID: 33735668 DOI: 10.1016/j.jstrokecerebrovasdis.2021.105686] [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] [Received: 12/21/2020] [Revised: 02/01/2021] [Accepted: 02/13/2021] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVES End-stage renal disease (ESRD) is one of the most critical risk factors of intracerebral hemorrhage (ICH). We aimed to investigate the effects of maintenance hemodialysis on hematoma volume, edema volume, and prognosis in patients with comorbid ESRD and ICH. MATERIALS AND METHODS Patients with comorbid ESRD and ICH were divided into two groups based on whether receiving maintenance hemodialysis. Hematoma and perihemorrhagic edema (PHE) volumes and relative edema ratio after admission were assessed on head computed tomography scans. RESULTS During the initial diagnosis, the dialysis group had lower PHE volume (16.41 vs 35.90 mL, P = 0.010), total volume of hematoma and edema (31.58 vs 54.58 mL, P = 0.013), and relative edema ratio (0.57 vs 0.92, P = 0.033) than the non-dialysis group. In addition, the peak PHE volume (36.68 vs 84.30 mL, P < 0.001), peak total volume of hematoma and edema (53.45 vs 127.69 mL, P = 0.011), and peak relative edema ratio (1.12 vs 1.92, P = 0.001) within one week after onset were lower in the dialysis group than in the non-dialysis group. The dialysis group had a higher in-hospital mortality rate than the non-dialysis group (40% vs 10%, P = 0.007). At 1-year follow-up, the two groups had similar 1-year-mortality rates and modified Rankin Scale. CONCLUSIONS Hemodialysis can prevent the enlargement of edema and reduce PHE volume shortly after onset. Although dialyzed patients had a higher in-hospital mortality rate, hemodialysis did not affect 1-year survival rate and functional neurologic scales.
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Affiliation(s)
- Yan Tan
- Department of Neurology, Tenth People's Hospital, Tongji University, Shanghai 200072, China.
| | - Yongzhe Gu
- Department of Neurology, Tenth People's Hospital, Tongji University, Shanghai 200072, China.
| | - Yichen Zhao
- Department of Neurology, Tenth People's Hospital, Tongji University, Shanghai 200072, China.
| | - You Lu
- Department of Neurology, Tenth People's Hospital, Tongji University, Shanghai 200072, China.
| | - Xueyuan Liu
- Department of Neurology, Tenth People's Hospital, Tongji University, Shanghai 200072, China.
| | - Yanxin Zhao
- Department of Neurology, Tenth People's Hospital, Tongji University, Shanghai 200072, China.
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Menger RP, Valerio IL. Neurological Manifestations of COVID-19 Within the Intensive Care Unit During a Military Deployment for the Early Pandemic Surge in New York City. Cureus 2021; 13:e13858. [PMID: 33859908 PMCID: PMC8038911 DOI: 10.7759/cureus.13858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19) resulted in a worldwide pandemic that at the time of this writing has caused over 400,000 deaths within the United States. During the pandemic surge in New York City, NY, a number of military Medical Corps (MC) and Nurse Corps (NC) providers were mobilized in direct support of critical care capabilities through expansion intensive care units. In the course of the deployment, high rates of neurological-related manifestations associated with COVID-19 infection were directly observed by our military provider teams which will be described and supporting literature highlighted. This is organic information absorbed in real time during the early stages of the pandemic in New York City. The neurological manifestations of COVID-19 varied in presentation and severity. Cerebral vascular injuries documented included strokes, iatrogenic intraparenchymal hemorrhage, hypoxia-related changes and sequelae, as well as acquired diseases secondary to delayed treatment of other primary neurologic disease states. Hypercoagulable and inflammatory markers (d-dimer, C-reactive protein, etc) were commonly elevated, and anticoagulation became a key factor in disease treatment and to help mitigate the downstream neurologic sequelae associated with this disease. Here we present these initial findings to lay the groundwork for more robust clinical studies moving forward.
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Affiliation(s)
- Richard P Menger
- Neurosurgery and Political Science, University of South Alabama, Mobile, USA
| | - Ian L Valerio
- Plastic and Reconstructive Surgery, Massachusetts General Hospital, Boston, USA
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AKINCI AT, ÖZDEMİR G. Comparison of the Ellipsoid Methods and the Cavalieri Method, for Calculating Hematoma Volume in Computed Tomography by non-Specialist. KOCAELI ÜNIVERSITESI SAĞLIK BILIMLERI DERGISI 2021. [DOI: 10.30934/kusbed.732215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Wilkinson CM, Kung TF, Jickling GC, Colbourne F. A translational perspective on intracranial pressure responses following intracerebral hemorrhage in animal models. BRAIN HEMORRHAGES 2021. [DOI: 10.1016/j.hest.2020.10.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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Caturegli G, Cho SM, White B, Chen LL. Acute Brain Injury in Infant Venoarterial Extracorporeal Membrane Oxygenation: An Autopsy Study. Pediatr Crit Care Med 2021; 22:297-302. [PMID: 33055528 DOI: 10.1097/pcc.0000000000002573] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
OBJECTIVES Characterization of the types and timing of acute brain injury in infant autopsy patients after extracorporeal membrane oxygenation. DESIGN Retrospective cohort study. SETTING Single tertiary-care center. PATIENTS Infants supported on extracorporeal membrane oxygenation. MEASUREMENTS AND MAIN RESULTS Clinical and pathologic records were reviewed for infant extracorporeal membrane oxygenation patients who had undergone brain autopsy in a single center between January 2009 and December 2018. Twenty-four patients supported on venoarterial extracorporeal membrane oxygenation had postmortem examination with brain autopsy. Median age at extracorporeal membrane oxygenation initiation was 82 days (interquartile range, 11-263 d), median age at time of death was 20 weeks (interquartile range, 5-44 wk), and median extracorporeal membrane oxygenation support duration was 108 hours (interquartile range, 35-366 hr). The most common acute brain injury found at autopsy was hypoxic-ischemic brain injury (58%) followed by intracranial hemorrhage (29%). The most common types of intracranial hemorrhage were intracerebral (17%), subarachnoid (17%), and subdural (8%). Only five infants (21%) did not have acute brain injury. Correlates of acute brain injury included low preextracorporeal membrane oxygenation oxygen saturation as well as elevated liver enzymes, total bilirubin, and lactate on days 1 and 3 of extracorporeal membrane oxygenation. Gestational age, Apgar scores, birth weight, extracorporeal membrane oxygenation duration, anticoagulation therapy, and renal and hepatic impairments were not associated with acute brain injury. CONCLUSIONS Acute brain injury was observed in 79% of autopsies conducted in infants supported on extracorporeal membrane oxygenation. Hypoxic-ischemic brain injury was the most common type of brain injury (58%), and further associations with preextracorporeal membrane oxygenation acute brain injury require additional exploration.
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Affiliation(s)
- Giorgio Caturegli
- Neurosciences Critical Care, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD
- Neurosciences Critical Care, Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Sung-Min Cho
- Neurosciences Critical Care, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD
- Neurosciences Critical Care, Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Bartholomew White
- Neurosciences Critical Care, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Liam L Chen
- Neurosciences Critical Care, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD
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Yang WS, Zhang SQ, Shen YQ, Wei X, Zhao LB, Xie XF, Deng L, Li XH, Lv XN, Lv FJ, Dowlatshahi D, Li Q, Xie P. Noncontrast Computed Tomography Markers as Predictors of Revised Hematoma Expansion in Acute Intracerebral Hemorrhage. J Am Heart Assoc 2021; 10:e018248. [PMID: 33506695 PMCID: PMC7955436 DOI: 10.1161/jaha.120.018248] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Background Noncontrast computed tomography (NCCT) markers are the emerging predictors of hematoma expansion in intracerebral hemorrhage. However, the relationship between NCCT markers and the dynamic change of hematoma in parenchymal tissues and the ventricular system remains unclear. Methods and Results We included 314 consecutive patients with intracerebral hemorrhage admitted to our hospital from July 2011 to May 2017. The intracerebral hemorrhage volumes and intraventricular hemorrhage (IVH) volumes were measured using a semiautomated, computer-assisted technique. Revised hematoma expansion (RHE) was defined by incorporating the original definition of hematoma expansion into IVH growth. Receiver operating characteristic curve analysis was used to compare the performance of the NCCT markers in predicting the IVH growth and RHE. Of 314 patients in our study, 61 (19.4%) had IVH growth and 93 (23.9%) had RHE. After adjustment for potential confounding variables, blend sign, black hole sign, island sign, and expansion-prone hematoma could independently predict IVH growth and RHE in the multivariate logistic regression analysis. Expansion-prone hematoma had a higher predictive performance of RHE than any single marker. The diagnostic accuracy of RHE in predicting poor prognosis was significantly higher than that of hematoma expansion. Conclusions The NCCT markers are independently associated with IVH growth and RHE. Furthermore, the expansion-prone hematoma has a higher predictive accuracy for prediction of RHE and poor outcome than any single NCCT marker. These findings may assist in risk stratification of NCCT signs for predicting active bleeding.
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Affiliation(s)
- Wen-Song Yang
- Department of Neurology The First Affiliated Hospital of Chongqing Medical University Chongqing China.,NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases The First Affiliated Hospital of Chongqing Medical University Chongqing China
| | - Shu-Qiang Zhang
- Department of Neurology The First Affiliated Hospital of Chongqing Medical University Chongqing China.,NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases The First Affiliated Hospital of Chongqing Medical University Chongqing China
| | - Yi-Qing Shen
- Department of Neurology The First Affiliated Hospital of Chongqing Medical University Chongqing China.,NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases The First Affiliated Hospital of Chongqing Medical University Chongqing China
| | - Xiao Wei
- Department of Traditional Chinese Medicine Chongqing Medical and Pharmaceutical College Chongqing China
| | - Li-Bo Zhao
- Department of Neurology Yongchuan Hospital of Chongqing Medical University Chongqing China.,Chongqing Key Laboratory of Cerebrovascular Disease Research Yongchuan Hospital of Chongqing Medical University Chongqing China
| | - Xiong-Fei Xie
- Department of Radiology The First Affiliated Hospital of Chongqing Medical University Chongqing China
| | - Lan Deng
- Department of Neurology The First Affiliated Hospital of Chongqing Medical University Chongqing China
| | - Xin-Hui Li
- Department of Neurology The First Affiliated Hospital of Chongqing Medical University Chongqing China.,NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases The First Affiliated Hospital of Chongqing Medical University Chongqing China
| | - Xin-Ni Lv
- Department of Neurology The First Affiliated Hospital of Chongqing Medical University Chongqing China
| | - Fa-Jin Lv
- Department of Radiology The First Affiliated Hospital of Chongqing Medical University Chongqing China
| | - Dar Dowlatshahi
- Department of Medicine (Neurology) Ottawa Hospital Research InstituteUniversity of Ottawa Ontario Canada
| | - Qi Li
- Department of Neurology The First Affiliated Hospital of Chongqing Medical University Chongqing China.,NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases The First Affiliated Hospital of Chongqing Medical University Chongqing China.,Chongqing Key Laboratory of Cerebrovascular Disease Research Yongchuan Hospital of Chongqing Medical University Chongqing China
| | - Peng Xie
- Department of Neurology The First Affiliated Hospital of Chongqing Medical University Chongqing China.,NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases The First Affiliated Hospital of Chongqing Medical University Chongqing China.,Chongqing Key Laboratory of Cerebrovascular Disease Research Yongchuan Hospital of Chongqing Medical University Chongqing China
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Patel SK, Saleh MS, Body A, Zuccarello M. Surgical Interventions for Supratentorial Intracranial Hemorrhage: The Past, Present, and Future. Semin Neurol 2021; 41:54-66. [PMID: 33511606 DOI: 10.1055/s-0040-1722639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Spontaneous supratentorial intracranial hemorrhage is extremely disabling and is associated with high mortality. Primary treatment for patients with this disease process is maximal medical management with blood pressure control and correction of clotting disorders due to comorbid conditions or medications. Over the past decade, significant strides have been made in understanding the benefits of surgical intervention in the treatment of intracranial hemorrhage through multiple clinical trials. In this article, we review the evolution of surgical treatments beginning with the STICH trials, discuss new developments with minimally invasive surgical strategies, and provide a brief update regarding ongoing trials and future directions in the treatment of spontaneous supratentorial intracranial hemorrhage.
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Affiliation(s)
- Smruti K Patel
- Department of Neurosurgery, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Mohamed S Saleh
- Department of Neurosurgery, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Alaina Body
- Department of Neurosurgery, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Mario Zuccarello
- Department of Neurosurgery, University of Cincinnati College of Medicine, Cincinnati, Ohio.,University of Cincinnati Gardner Neuroscience Institute, University of Cincinnati College of Medicine, Cincinnati, Ohio
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Zhu F, Pan Z, Tang Y, Fu P, Cheng S, Hou W, Zhang Q, Huang H, Sun Y. Machine learning models predict coagulopathy in spontaneous intracerebral hemorrhage patients in ER. CNS Neurosci Ther 2021; 27:92-100. [PMID: 33249760 PMCID: PMC7804781 DOI: 10.1111/cns.13509] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/25/2020] [Accepted: 10/25/2020] [Indexed: 01/01/2023] Open
Abstract
AIMS Coagulation abnormality is one of the primary concerns for patients with spontaneous intracerebral hemorrhage admitted to ER. Conventional laboratory indicators require hours for coagulopathy diagnosis, which brings difficulties for appropriate intervention within the optimal window. This study evaluates the possibility of building efficient coagulopathy prediction models using data mining and machine learning algorithms. METHODS A retrospective cohort enrolled 1668 cases with acute spontaneous intracerebral hemorrhage from three medical centers, excluding those under antithrombotic therapies. Coagulopathy-related clinical parameters were initially screened by univariate analysis. Two machine learning algorithms, the random forest and the support vector machine, were deployed via an approach of four-fold cross-validation to screen out the most important parameters contributing to the occurrence of coagulopathy. Model discrimination was assessed using metrics, including accuracy, precision, recall, and F1 score. RESULTS Albumin/globulin ratio, neutrophil count, lymphocyte percentage, aspartate transaminase, alanine transaminase, hemoglobin, platelet count, white blood cell count, neutrophil percentage, systolic and diastolic pressure were identified as major predictors to the occurrence of acute coagulopathy. Compared to support vector machine, the model based on the random forest algorithm showed better accuracy (93.1%, 95% confidence interval [CI]: 0.913-0.950), precision (92.4%, 95% CI: 0.897-0.951), F1 score (91.5%, 95% CI: 0.889-0.964), and recall score (93.6%, 95% CI: 0.909-0.964), and yielded higher area under the receiver operating characteristic curve (AU-ROC) (0.962, 95% CI: 0.942-0.982). CONCLUSION The constructed models exhibit good prediction accuracy and efficiency. It might be used in clinical practice to facilitate target intervention for acute coagulopathy in patients with spontaneous intracerebral hemorrhage.
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Affiliation(s)
- Fengping Zhu
- Department of NeurosurgeryHuahsan HospitalFudan UniversityShanghaiChina
- Neurosurgical Institute of Fudan UniversityShanghaiChina
- Shanghai Clinical Medical Center of NeurosurgeryShanghaiChina
- Shanghai Key Laboratory of Brain Function and Restoration and Neural RegenerationShanghaiChina
| | - Zhiguang Pan
- Department of NeurosurgeryHuahsan HospitalFudan UniversityShanghaiChina
- Neurosurgical Institute of Fudan UniversityShanghaiChina
- Shanghai Clinical Medical Center of NeurosurgeryShanghaiChina
- Shanghai Key Laboratory of Brain Function and Restoration and Neural RegenerationShanghaiChina
| | - Ying Tang
- Department of NursingHuahsan HospitalFudan UniversityShanghaiChina
| | - Pengfei Fu
- Department of NeurosurgeryHuahsan HospitalFudan UniversityShanghaiChina
| | - Sijie Cheng
- Information CenterHuahsan HospitalFudan UniversityShanghaiChina
| | - Wenzhong Hou
- Information CenterHuahsan HospitalFudan UniversityShanghaiChina
| | - Qi Zhang
- Information CenterHuahsan HospitalFudan UniversityShanghaiChina
| | - Hong Huang
- Information CenterHuahsan HospitalFudan UniversityShanghaiChina
| | - Yirui Sun
- Department of NeurosurgeryHuahsan HospitalFudan UniversityShanghaiChina
- Neurosurgical Institute of Fudan UniversityShanghaiChina
- Shanghai Clinical Medical Center of NeurosurgeryShanghaiChina
- Shanghai Key Laboratory of Brain Function and Restoration and Neural RegenerationShanghaiChina
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Mazhar K, Olson DM, Atem FD, Stutzman SE, Moreno J, Venkatachalam A, Aiyagari V. Supratentorial intracerebral hemorrhage volume and other CT variables predict the neurological pupil index. Clin Neurol Neurosurg 2020; 200:106410. [PMID: 33341651 DOI: 10.1016/j.clineuro.2020.106410] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/12/2020] [Accepted: 11/24/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVES There is growing interest in the ability of automated infrared pupillometry to assess severity of neurological illness. We studied the correlation between computed tomography (CT) indicators of intracerebral hemorrhage (ICH) severity with objective measures of the pupillary light reflex (PLR), and hypothesized that hemorrhage volume would predict the Neurological Pupil index™ (NPi™), an indicator of pupillary reactivity. METHODS This study examined data from patients with supratentorial ICH who underwent serial pupillometer evaluations. CT images were examined to determine the location and laterality of the hemorrhage, along with hematoma volume (using the simplified ABC/2 method), midline shift, hydrocephalus score, and modified Graeb score (indicating interventricular hemorrhage). Demographics were examined with standard measures of central tendency, hypotheses with logistic regression, categorical data with Fisher's Exact X2, and multivariate modeling with constructed MAX-R models. RESULTS Data were gathered from 44 subjects. ICH volume exhibited the strongest correlation with NPi (ipsilateral [r2 = 0.48, p < 0.0001, contralateral [(r2 = 0.39, p < 0.0001]). Horizontal midline shift of the septum pellucidum also correlated with NPi (ipsilateral [r2 = 0.25, p = 0.0006], contralateral [r2 = 0.15, p = 0.0106]), as did shift of the pineal gland (ipsilateral [r2 = 0.21, p = 0.0017], contralateral[r2 = 0.11, p = 0.0328]). ICH volume was the most predictive of abnormal NPi (AUC = 0.85 for ipsilateral and 0.88 for contralateral NPi), and multivariate modeling identified additional independent predictors of NPi. CONCLUSION ICH volume and shift of midline structures correlate with NPi, and abnormalities in NPi can be predicted by hematoma volume and other CT indicators of ICH severity. Future studies should explore the role of NPi in detecting early hematoma expansion and worsening midline shift.
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Affiliation(s)
- Khadijah Mazhar
- UT Southwestern Medical School, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, United States
| | - DaiWai M Olson
- Department of Neurology, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, United States; Department of Neurological Surgery, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, United States
| | - Folefac D Atem
- Department of Biostatistics & Data Sciences, University of Texas Health Science Center, 5161 Harry Hines Blvd. CS5.106 Dallas, TX, 75390, United States
| | - Sonja E Stutzman
- Department of Neurology, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, United States
| | - James Moreno
- Department of Neurology, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, United States
| | - Aardhra Venkatachalam
- Department of Neurology, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, United States
| | - Venkatesh Aiyagari
- Department of Neurology, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, United States; Department of Neurological Surgery, UT Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX, 75390, United States.
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Yang WS, Shen YQ, Zhang XD, Zhao LB, Wei X, Xiong X, Xie XF, Li R, Deng L, Li XH, Lv XN, Lv FJ, Li Q, Xie P. Hydrocephalus Growth: Definition, Prevalence, Association with Poor Outcome in Acute Intracerebral Hemorrhage. Neurocrit Care 2020; 35:62-71. [PMID: 33174150 DOI: 10.1007/s12028-020-01140-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 10/25/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND/OBJECTIVES To propose a novel definition for hydrocephalus growth and to further describe the association between hydrocephalus growth and poor outcome among patients with intracerebral hemorrhage (ICH). METHODS We analyzed consecutive patients who presented within 6 h after ICH ictus between July 2011 and June 2017. Follow-up CT scans were performed within 36 h after initial CT scans. The degree of hydrocephalus were evaluated by the hydrocephalus score of Diringer et al. The optimal increase of the hydrocephalus scores between initial and follow-up CT scan was estimated to define hydrocephalus growth. Poor long-term outcome was defined as a modified Rankin Scale of 4-6 at 3 months. Multivariate logistic regression analysis was performed to investigate the hydrocephalus growth for predicting 30-day mortality, 90-day mortality, and poor long-term outcome. RESULTS A total of 321 patients with ICH were included in the study. Of 64 patients with hydrocephalus growth, 34 (53.1%) patients presented with both concurrent hematoma expansion and intraventricular hemorrhage (IVH) growth. After adjusting for potential confounding factors, hydrocephalus growth independently predicted 30-day mortality, 90-day mortality, and 90-day poor long-term outcome in multivariate logistic regression analysis. Hydrocephalus growth showed higher accuracy for predicting 30-day mortality, 90-day mortality, and poor long-term outcome than IVH growth or hematoma expansion, respectively. CONCLUSIONS Hydrocephalus growth is defined by strongly predictive of short- or long-term mortality and poor outcome at 90 days, and might be a potential indicator for assisting clinicians for clinical decision-making.
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Affiliation(s)
- Wen-Song Yang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Yi-Qing Shen
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Xiao-Dong Zhang
- Department of Neurology, Affiliated Hospital of North Sichuan Medical College, Nanchong, 637000, Sichuan, China
| | - Li-Bo Zhao
- Department of Neurology, Yongchuan Hospital of Chongqing Medical University, Chongqing, 402160, China
- Chongqing Key Laboratory of Cerebrovascular Disease Research, Yongchuan Hospital of Chongqing Medical University, Chongqing, 402160, China
| | - Xiao Wei
- Department of Medical Technology, Chongqing Medical and Pharmaceutical College, Chongqing, 401331, China
| | - Xin Xiong
- Department of Neurology, Chongqing Traditional Chinese Medicine Hospital, Chongqing, 400011, China
| | - Xiong-Fei Xie
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Rui Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Lan Deng
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Xin-Hui Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Xin-Ni Lv
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Fa-Jin Lv
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Qi Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Peng Xie
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
- NHC Key Laboratory of Diagnosis and Treatment on Brain Functional Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
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Szwargulski P, Wilmes M, Javidi E, Thieben F, Graeser M, Koch M, Gruettner C, Adam G, Gerloff C, Magnus T, Knopp T, Ludewig P. Monitoring Intracranial Cerebral Hemorrhage Using Multicontrast Real-Time Magnetic Particle Imaging. ACS NANO 2020; 14:13913-13923. [PMID: 32941000 DOI: 10.1021/acsnano.0c06326] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Magnetic particle imaging (MPI) is an innovative radiation-free tomographic imaging method providing excellent temporal resolution, contrast, sensitivity, and safety. Mobile human MPI prototypes suitable for continuous bedside monitoring of whole-brain perfusion have been developed. However, for the clinical translation of MPI, a crucial gap in knowledge still remains: while MPI can visualize the reduction in blood flow and tissue perfusion in cerebral ischemia, it is unclear whether MPI works in intracranial hemorrhage. Our objective was to investigate the capability of MPI to detect intracranial hemorrhage in a murine model. Intracranial hemorrhage was induced through the injection of collagenase into the striatum of C57BL/6 mice. After the intravenous infusion of a long-circulating MPI-tailored tracer consisting of superparamagnetic iron oxides, we detected the intracranial hemorrhage in less than 3 min and could monitor hematoma expansion in real time. Multicontrast MPI can distinguish tracers based on their physical characteristics, core size, temperature, and viscosity. By employing in vivo multicontrast MPI, we were able to differentiate areas of liquid and coagulated blood within the hematoma, which could provide valuable information in surgical decision making. Multicontrast MPI also enabled simultaneous imaging of hemorrhage and cerebral perfusion, which is essential in the care of critically ill patients with increased intracranial pressure. We conclude that MPI can be used for real-time diagnosis of intracranial hemorrhage. This work is an essential step toward achieving the clinical translation of MPI for point-of-care monitoring of different stroke subtypes.
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Affiliation(s)
- Patryk Szwargulski
- Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, DE 21073, Germany
| | | | | | - Florian Thieben
- Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, DE 21073, Germany
| | - Matthias Graeser
- Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, DE 21073, Germany
| | - Martin Koch
- Institute of Medical Engineering, Universität zu Lübeck, Lübeck, DE 23562, Germany
| | | | | | | | | | - Tobias Knopp
- Institute for Biomedical Imaging, Hamburg University of Technology, Hamburg, DE 21073, Germany
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