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Khandwala K, Hilal K, Jafri SK, Mufarrih SM, Samnani S, Jiwani AA, Ali U. Clinical prognostication in acute necrotizing encephalopathy of childhood: the role of magnetic resonance imaging severity assessment. Pediatr Radiol 2024:10.1007/s00247-024-06058-5. [PMID: 39333366 DOI: 10.1007/s00247-024-06058-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2024] [Revised: 09/09/2024] [Accepted: 09/10/2024] [Indexed: 09/29/2024]
Abstract
BACKGROUND Acute necrotizing encephalopathy of childhood is a unique entity with bilateral gray and white matter involvement. OBJECTIVE The aim of this study is to explore whether the severity of findings on imaging scans is indicative of the prognosis and clinical outcomes for pediatric patients with acute necrotizing encephalopathy. MATERIALS AND METHODS A retrospective cross-sectional study was conducted on 42 patients diagnosed with acute necrotizing encephalopathy. A severity score based on MR imaging was computed for each patient, utilizing a point system determined by the existence of factors such as hemorrhage, cavitation, enhancement, diffusion restriction, and lesion location. The scoring was categorized into mild, moderate, and severe. Clinical outcomes were determined at the time of discharge and at follow-ups as mild disability, moderate disability, severe disability, and death according to the modified Rankin Scale. Associations were determined by Fisher's exact test, chi-square test, and one-way ANOVA. RESULTS The study included 21 boys and 21 girls with a mean age of 71.5 months. A statistically significant connection (P=0.027) was found between the severity score from MR imaging and the clinical outcome. A statistically significant relationship was also observed between diffusion restriction (P=0.008), cerebellar involvement (P=0.048), and an unfavorable clinical outcome. Additionally, individuals who experienced shock exhibited a correlation with adverse outcomes (P=0.01). CONCLUSION In predicting the outcome of acute necrotizing encephalopathy, cerebellar involvement and presence of diffusion restriction were associated with worse clinical outcomes in our study. Developing a comprehensive MR-based severity score is crucial for improving diagnostic accuracy and patient outcomes. Our findings underscore the importance of including diffusion restriction and cerebellar involvement in the scoring system.
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Affiliation(s)
- Kumail Khandwala
- Department of Radiology, Aga Khan University, National Stadium Road, Karachi, 74800, Pakistan
| | - Kiran Hilal
- Department of Radiology, Aga Khan University, National Stadium Road, Karachi, 74800, Pakistan.
| | - Sidra Kaleem Jafri
- Department of Pediatrics & Child Health, Aga Khan University, Karachi, Pakistan
| | | | - Saira Samnani
- Department of Radiology, Aga Khan University, National Stadium Road, Karachi, 74800, Pakistan
| | - Ahsun Amin Jiwani
- Department of Radiology, Aga Khan University, National Stadium Road, Karachi, 74800, Pakistan
| | - Usman Ali
- Pediatrics, Swat Medical College, Swat, Pakistan
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Ma Y, Liu L, Chen F, Zhan W, Li M, Su Y. Acute necrotizing encephalopathy infected with the SARS-CoV-2 in children: Case series and literature review of clinical outcomes with the use of Tocilizumab. Eur J Paediatr Neurol 2024; 52:67-75. [PMID: 39106789 DOI: 10.1016/j.ejpn.2024.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 07/17/2024] [Accepted: 07/19/2024] [Indexed: 08/09/2024]
Abstract
BACKGROUND AND OBJECTIVE Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes acute necrotizing encephalopathy (ANE), which has a high mortality rate and severe sequelae. This study aimed to identify ANE early and evaluate the usefulness of tocilizumab in ANE treatment. METHODS We retrospectively included eight paeefediatric ANE cases infected with SARS-CoV-2 at Xi'an Children's Hospital, China, from December 1, 2022 to May 1, 2023. A literature search was performed using the PUBMED, SPRING, SCOPUS, and EMBASE databases. This study included eleven patients. Clinical characteristics, laboratory test results, imaging features, and treatment options were analysed. RESULTS Eight of the 19 cases (42 %) died, one (5 %) recovered, and nine (47 %) improved with residual neurological dysfunction. Eighteen patients presented with fever, with 56 % having ≥40 °C. Twelve patients (63 %) presented with dysfunction consciousness. Eight (42 %) patients experienced frequent convulsions. All eight patients in our hospital had elevated procalcitonin levels (mean: 21.32 ng/mL, range: 0.10-89.40 ng/mL). Alanine aminotransferase levels were elevated (mean: 632.81 U/L, range: 13.00-2251.00 U/L) in six patients. Seven patients showed elevated uric acid levels(mean: 396.50 μmol/L, range: 157.00-660.00 μmol/L). Brain imaging indicated that all the patients had symmetrical injuries to the bilateral thalami, accompanied by symmetrical injuries in the cerebrum, cerebellum, basal ganglia, and brain stem. Compared with the classical treatment (n = 9), the combination with tocilizumab (n = 6) showed a statistically difference in mortality (p = 0.028 < 0.05). CONCLUSION The typical clinical manifestations of ANE in children with SARS-CoV-2 infection are acute onset with high fever, frequent convulsions and rapidly worsening disturbance of consciousness. Tocilizumab treatment could reduces mortality in ANE.
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Affiliation(s)
- Yingge Ma
- Department of Emergency, Xi'an Children's Hospital (Xi'an Jiaotong University Affiliated Children's Hospital), China
| | - Lin Liu
- Department of Emergency, Xi'an Children's Hospital (Xi'an Jiaotong University Affiliated Children's Hospital), China
| | - Fang Chen
- Department of Emergency, Xi'an Children's Hospital (Xi'an Jiaotong University Affiliated Children's Hospital), China
| | - Wenjuan Zhan
- Department of Emergency, Xi'an Children's Hospital (Xi'an Jiaotong University Affiliated Children's Hospital), China
| | - Mingyue Li
- Department of Emergency, Xi'an Children's Hospital (Xi'an Jiaotong University Affiliated Children's Hospital), China.
| | - Yufei Su
- Department of Emergency, Xi'an Children's Hospital (Xi'an Jiaotong University Affiliated Children's Hospital), China.
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Huang Y, Zhou B, Hong S, Cai Y. A case report and literature review on tocilizumab-cured acute necrotizing encephalopathy caused by influenza A virus. Front Pediatr 2024; 12:1351478. [PMID: 38646514 PMCID: PMC11026575 DOI: 10.3389/fped.2024.1351478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 03/19/2024] [Indexed: 04/23/2024] Open
Abstract
Introduction Acute Necrotizing Encephalopathy (ANE), is a kind of severe Central Nervous System Disease. The commonest pathogen is the influenza virus. The pathogenesis of ANE is bound up to genetic susceptibility and cytokine storm. Interleukin-6 (IL-6) is deemed as the core function in cytokine storm of ANE and that plays a significant role in evaluating the severity of Influenza-Related ANE. Tocilizumab, an IL-6 antagonist, is known to be safe and effective in the treatment of ANE when used early and has an essential role in improving prognosis and preventing disability. Case report This case reports a 2 year 10 month old boy who developed ANE after being infected with influenza A virus (H1N1-2019). After treatment with Tocilizumab, the child's consciousness was clear, no convulsions occurred, the movement of limbs was improved, and the lesions of encephalopathy were significantly reduced. Conclusion The early use of Tocilizumab is safe and effective for the treatment of ANE caused by influenza virus.
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Affiliation(s)
| | - Bin Zhou
- Pediatric Intensive Care Unit, Xiamen Children's Hospital, Children's Hospital of Fudan University (Xiamen Branch), Xiamen, China
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Fischell SZ, Fischell J, Kliot T, Tumulty J, Thompson SJ, Raees MQ. Case report: Acute necrotizing encephalopathy: a report of a favorable outcome and systematic meta-analysis of outcomes with different immunosuppressive therapies. Front Neurol 2023; 14:1239746. [PMID: 37745654 PMCID: PMC10512083 DOI: 10.3389/fneur.2023.1239746] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/14/2023] [Indexed: 09/26/2023] Open
Abstract
Acute Necrotizing Encephalopathy (ANE) is a condition characterized by symmetric, bilateral lesions affecting the thalamus and potentially other areas of the brain following an acute febrile illness. It manifests clinically as abrupt development of encephalopathy, or alteration in mental status that often includes development of seizures and progression to coma. Treatment strategies combine immunosuppressive therapies and supportive care with varying levels of recovery, however there are no universally accepted, data-driven, treatment algorithms for ANE. We first report a case of a previously healthy 10-year-old female with acute onset diplopia, visual hallucinations, lethargy, and seizures in the setting of subacute non-specific viral symptoms and found to have bilateral thalamic and brainstem lesions on MRI consistent with ANE. She was treated with a combination of immunomodulatory therapies and ultimately had a good outcome. Next, we present a meta-analysis of 10 articles with a total of 158 patients meeting clinical and radiographic criteria for ANE. Each article reported immunosuppressive treatments received, and associated morbidity or mortality outcome for each individual patient. Through our analysis, we confirm the effectiveness of high-dose, intravenous, methylprednisolone (HD-IV-MP) therapy implemented early in the disease course (initiation within 24 h of neurologic symptom onset). There was no significant difference between patients treated with and without intravenous immunoglobulin (IVIG). There was no benefit of combining IVIG with early HD-IV-MP. There is weak evidence suggesting a benefit of IL-6 inhibitor tocilizumab, especially when used in combination with early HD-IV-MP, though this analysis was limited by sample size. Finally, plasma exchange (PLEX) improved survival. We hope this meta-analysis will be useful for clinicians making treatment decisions for patients with this potentially devastating condition.
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Affiliation(s)
- Stefanie Zaner Fischell
- Department of Pediatrics, University of Maryland Medical Center, Baltimore, MD, United States
| | - Jonathan Fischell
- Division of Pediatric Neurology, Department of Pediatrics and Neurology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Tamara Kliot
- Department of Pediatrics, University of Maryland Medical Center, Baltimore, MD, United States
| | - Jamie Tumulty
- Division of Critical Care, Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Stephen J. Thompson
- Division of Pediatric Neurology, Department of Pediatrics and Neurology, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Madiha Q. Raees
- Division of Critical Care, Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD, United States
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Kumar Singh P, Sharma R, Saini C, Murray J, Parrish Winesett S. Acute Necrotizing Encephalitis Due to Influenza B in a Child: A Case Report. Cureus 2023; 15:e38573. [PMID: 37288218 PMCID: PMC10243387 DOI: 10.7759/cureus.38573] [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] [Accepted: 05/05/2023] [Indexed: 06/09/2023] Open
Abstract
Acute necrotizing encephalitis (ANE) is a rare and life-threatening form of encephalitis associated with influenza virus and other pathogens. It is characterized by a rapid onset of neurological symptoms and has been linked to a cytokine storm within the brain. We present a unique case of an eight-year-old female with influenza B-associated ANE, involving multiple brain areas including the cerebellum and brainstem and cauda equina involvement. The patient had a rapid neurological deterioration, and MRI findings revealed extensive multifocal areas of abnormal brain parenchyma and inflammation with Guillain-Barre appearance in the cauda equina. To the best of our knowledge, this is the first reported case of ANE with cauda equina involvement leading to neurological deficits. Despite treatment with oseltamivir, steroids, and intravenous immunoglobulins, the patient had poor neurological outcomes, similar to those reported in the literature.
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Affiliation(s)
| | - Rohit Sharma
- Internal Medicine, Geisinger Health System, Wilkes-Barre, USA
| | | | - John Murray
- Neurology, Geisinger Commonwealth School of Medicine, Scranton, USA
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Early therapeutic plasma exchange may lead to complete neurological recovery in moderate to severe influenza-associated acute necrotizing encephalopathy. Brain Dev 2022; 44:492-497. [PMID: 35337691 DOI: 10.1016/j.braindev.2022.03.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 03/01/2022] [Accepted: 03/15/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND Acute necrotizing encephalopathy (ANE) is a pediatric neurological disease, presumably caused by cytokine storms, with a poor prognosis. Immunomodulatory therapy, including therapeutic plasma exchange (TPE), could be an effective treatment. CASES Two patients with influenza-associated ANE were treated. The ANE severity scores were 3 and 8 in case 1 (a 3-y-old boy) and case 2 (a 7-y-old boy), respectively. In case 1, intravenous methylprednisolone and TPE were initiated at 8 and 16 h, respectively, after the onset of impaired consciousness. In case 2, multiple organ failure and septic shock persisted even after infusion of fluids and inotropic agents. Intravenous methylprednisolone and TPE were started at 5 and 9 h, respectively, after the onset of impaired consciousness, which improved the inotrope-refractory septic shock. Patient 1 and 2 achieved complete neurological recovery within 4 weeks and after 3 months, respectively. In both patients, cytokine levels were serially measured. There were increased serum interleukin (IL)-6 and IL-10 levels in both patients; patient 1 showed increased IL-6 levels in the initial cerebrospinal fluid sample. There was a post-treatment decrease in serum IL-6 levels in both cases. DISCUSSION Early intensive immunomodulatory therapy with TPE may improve neurological outcomes in pediatric influenza-associated ANE. Further studies are required to establish the efficacy of TPE for ANE.
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Ndondo AP, Eley B, Wilmshurst JM, Kakooza-Mwesige A, Giannoccaro MP, Willison HJ, Cruz PMR, Heckmann JM, Bateman K, Vincent A. Post-Infectious Autoimmunity in the Central (CNS) and Peripheral (PNS) Nervous Systems: An African Perspective. Front Immunol 2022; 13:833548. [PMID: 35356001 PMCID: PMC8959857 DOI: 10.3389/fimmu.2022.833548] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 02/10/2022] [Indexed: 11/13/2022] Open
Abstract
The direct impact and sequelae of infections in children and adults result in significant morbidity and mortality especially when they involve the central (CNS) or peripheral nervous system (PNS). The historical understanding of the pathophysiology has been mostly focused on the direct impact of the various pathogens through neural tissue invasion. However, with the better understanding of neuroimmunology, there is a rapidly growing realization of the contribution of the innate and adaptive host immune responses in the pathogenesis of many CNS and PNS diseases. The balance between the protective and pathologic sequelae of immunity is fragile and can easily be tipped towards harm for the host. The matter of immune privilege and surveillance of the CNS/PNS compartments and the role of the blood-brain barrier (BBB) and blood nerve barrier (BNB) makes this even more complex. Our understanding of the pathogenesis of many post-infectious manifestations of various microbial agents remains elusive, especially in the diverse African setting. Our exploration and better understanding of the neuroimmunology of some of the infectious diseases that we encounter in the continent will go a long way into helping us to improve their management and therefore lessen the burden. Africa is diverse and uniquely poised because of the mix of the classic, well described, autoimmune disease entities and the specifically "tropical" conditions. This review explores the current understanding of some of the para- and post-infectious autoimmune manifestations of CNS and PNS diseases in the African context. We highlight the clinical presentations, diagnosis and treatment of these neurological disorders and underscore the knowledge gaps and perspectives for future research using disease models of conditions that we see in the continent, some of which are not uniquely African and, where relevant, include discussion of the proposed mechanisms underlying pathogen-induced autoimmunity. This review covers the following conditions as models and highlight those in which a relationship with COVID-19 infection has been reported: a) Acute Necrotizing Encephalopathy; b) Measles-associated encephalopathies; c) Human Immunodeficiency Virus (HIV) neuroimmune disorders, and particularly the difficulties associated with classical post-infectious autoimmune disorders such as the Guillain-Barré syndrome in the context of HIV and other infections. Finally, we describe NMDA-R encephalitis, which can be post-HSV encephalitis, summarise other antibody-mediated CNS diseases and describe myasthenia gravis as the classic antibody-mediated disease but with special features in Africa.
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Affiliation(s)
- Alvin Pumelele Ndondo
- Department of Paediatric Neurology, Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, South Africa
| | - Brian Eley
- Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, South Africa.,Paediatric Infectious Diseases Unit, Red Cross War Memorial Children's Hospital, Cape Town, South Africa
| | - Jo Madeleine Wilmshurst
- Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, South Africa.,Department of Paediatric Neurology, Neuroscience Institute, University of Cape Town, Cape Town, South Africa
| | - Angelina Kakooza-Mwesige
- Department of Pediatrics and Child Health, School of Medicine, Makerere University College of Health Sciences, Kampala, Uganda
| | - Maria Pia Giannoccaro
- Laboratory of Neuromuscular Pathology and Neuroimmunology, Istituto di Ricovero e Cura a CarattereScientifico (IRCCS) Instiuto delle Scienze Neurologiche di Bologna, UOC Clinica Neurologica Bologna, Bologna, Italy.,Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Hugh J Willison
- Institute of Infection, Immunity and Inflammation (3I), University of Glasgow, Glasgow, United Kingdom
| | - Pedro M Rodríguez Cruz
- Centro Nacional de Analisis Genomico - Centre for Genomic Regulation (CNAG-CRG ), Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain.,Department of Neuromuscular Disease, University College London (UCL) Queen Square Institute of Neurology, London, United Kingdom.,Faculté de Médecine, de Pharmacie et d'Odontologie, Université Cheikh Anta Diop, Dakar, Senegal
| | - Jeannine M Heckmann
- Neurology Division, Department of Medicine, Groote Schuur Hospital, Cape Town, South Africa.,The University of Cape Town (UCT) Neurosciences Institute, University of Cape Town, Cape Town, South Africa
| | - Kathleen Bateman
- Neurology Division, Department of Medicine, Groote Schuur Hospital, Cape Town, South Africa
| | - Angela Vincent
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom
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Li K, Zhang T, Liu G, Jin P, Wang Y, Wang L, Xu M, Liu C, Liu Y, Zhou T, Xu Y, Yang Y, Fang B, Yang X, Liu C, Qian S. Plasma exchange therapy for acute necrotizing encephalopathy of childhood. Pediatr Investig 2021; 5:99-105. [PMID: 34179705 PMCID: PMC8212728 DOI: 10.1002/ped4.12280] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 05/20/2021] [Indexed: 02/02/2023] Open
Abstract
IMPORTANCE Acute necrotizing encephalopathy (ANE) is a rare disease with high mortality. Plasma exchange (PLEX) has recently been reported to treat ANE of childhood (ANEC), but its efficacy is uncertain. OBJECTIVE This study aimed to investigate the effectiveness of PLEX on ANEC. METHODS A retrospective study was conducted in four pediatric intensive care units from December 2014 to December 2020. All patients who were diagnosed with ANEC were included; however, these patients were excluded if their length of stay was less than 24 h. Participants were classified into PLEX and non-PLEX groups. RESULTS Twenty-nine patients with ANEC were identified, 10 in the PLEX group and 19 in the non-PLEX group. In the PLEX group, C-reactive protein, procalcitonin, alanine aminotransferase, and aspartate aminotransaminase levels were significantly lower after 3 days of treatment than before treatment (13.1 vs. 8.0, P = 0.043; 9.8 vs. 1.5, P = 0.028; 133.4 vs. 31.9, P = 0.028; 282.4 vs. 50.5, P = 0.046, respectively). Nine patients (31.0%, 9/29) died at discharge, and a significantly difference was found between the PLEX group and non-PLEX group [0 vs. 47.4% (9/19), P = 0.011]. The median follow-up period was 27 months, and three patients were lost to follow-up. Thirteen patients (50.0%, 13/26) died at the last follow-up, comprising three (33.3%, 3/9) in the PLEX group and ten (58.8%, 10/17) in the non-PLEX group, but there was no significant difference between the two groups (P = 0.411). Three patients (10.3%, 3/29) fully recovered. INTERPRETATION PLEX may reduce serum C-reactive protein and procalcitonin levels and improve liver function in the short term. PLEX may improve the prognosis of ANEC, and further studies are needed.
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Affiliation(s)
- Kechun Li
- Department of Pediatric Intensive Care UnitBeijing Children’s HospitalCapital Medical UniversityNational Center for Children’s HealthChina
| | - Tao Zhang
- Department of PediatricsShengjing Hospital of China Medical UniversityShenyangLiaoningChina
| | - Gang Liu
- Department of Pediatric Intensive Care UnitHebei Children’s HospitalHebei Medical UniversityShijiazhuangHebeiChina
| | - Ping Jin
- Department of Pediatric Intensive Care UnitBao’an Maternity & Child Health HospitalShenzhenGuangdongChina
| | - Yeqing Wang
- Department of Pediatric Intensive Care UnitBeijing Children’s HospitalCapital Medical UniversityNational Center for Children’s HealthChina
| | - Lijie Wang
- Department of PediatricsShengjing Hospital of China Medical UniversityShenyangLiaoningChina
| | - Meixian Xu
- Department of Pediatric Intensive Care UnitHebei Children’s HospitalHebei Medical UniversityShijiazhuangHebeiChina
| | - Chunyi Liu
- Department of Pediatric Intensive Care UnitBao’an Maternity & Child Health HospitalShenzhenGuangdongChina
| | - Yingchao Liu
- Department of Pediatric Intensive Care UnitBeijing Children’s HospitalCapital Medical UniversityNational Center for Children’s HealthChina
| | - Tao Zhou
- Department of Pediatric Intensive Care UnitBao’an Maternity & Child Health HospitalShenzhenGuangdongChina
| | - Yan Xu
- Department of Pediatric Intensive Care UnitBeijing Children’s HospitalCapital Medical UniversityNational Center for Children’s HealthChina
| | - Ying Yang
- Department of Pediatric Intensive Care UnitBeijing Children’s HospitalCapital Medical UniversityNational Center for Children’s HealthChina
| | - Boliang Fang
- Department of Pediatric Intensive Care UnitBeijing Children’s HospitalCapital Medical UniversityNational Center for Children’s HealthChina
| | - Xin Yang
- Department of Pediatric Intensive Care UnitBeijing Children’s HospitalCapital Medical UniversityNational Center for Children’s HealthChina
| | - Chunfeng Liu
- Department of PediatricsShengjing Hospital of China Medical UniversityShenyangLiaoningChina
| | - Suyun Qian
- Department of Pediatric Intensive Care UnitBeijing Children’s HospitalCapital Medical UniversityNational Center for Children’s HealthChina
- Research Unit of Critical infection in ChildrenChinese Academy of Medical Sciences2019RU016
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