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Chang CWJ, Provencio JJ, Pascual J, Heavner MS, Olson D, Livesay SL, Kaplan LJ. State-of-the-Art Evaluation of Acute Adult Disorders of Consciousness for the General Intensivist. Crit Care Med 2023; 51:948-963. [PMID: 37070819 DOI: 10.1097/ccm.0000000000005893] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
Abstract
OBJECTIVES To provide a concise review of knowledge and practice pertaining to the diagnosis and initial management of unanticipated adult patient disorders of consciousness (DoC) by the general intensivist. DATA SOURCES Detailed search strategy using PubMed and OVID Medline for English language articles describing adult patient acute DoC diagnostic evaluation and initial management strategies including indications for transfer. STUDY SELECTION Descriptive and interventional studies that address acute adult DoC, their evaluation and initial management, indications for transfer, as well as outcome prognostication. DATA EXTRACTION Relevant descriptions or studies were reviewed, and the following aspects of each manuscript were identified, abstracted, and analyzed: setting, study population, aims, methods, results, and relevant implications for adult critical care practice. DATA SYNTHESIS Acute adult DoC may be categorized by etiology including structural, functional, infectious, inflammatory, and pharmacologic, the understanding of which drives diagnostic investigation, monitoring, acute therapy, and subsequent specialist care decisions including team-based local care as well as intra- and inter-facility transfer. CONCLUSIONS Acute adult DoC may be initially comprehensively addressed by the general intensivist using an etiology-driven and team-based approach. Certain clinical conditions, procedural expertise needs, or resource limitations inform transfer decision-making within a complex care facility or to one with greater complexity. Emerging collaborative science helps improve our current knowledge of acute DoC to better align therapies with underpinning etiologies.
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Affiliation(s)
| | | | - Jose Pascual
- Division of Trauma, Surgical Critical Care and Emergency Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Mojdeh S Heavner
- Department of Practice, Sciences, and Health Outcomes Research, University of Maryland School of Pharmacy, Baltimore, MD
| | - DaiWai Olson
- Departments of Neurology and Neurosurgery, University of Texas Southwestern, Dallas, TX
| | - Sarah L Livesay
- Department of Adult Health and Gerontological Nursing, College of Nursing, Rush University, Chicago, IL
| | - Lewis J Kaplan
- Division of Trauma, Surgical Critical Care and Emergency Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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Fillatre P, Mailles A, Stahl JP, Tattevin P. Characteristics, management, and outcomes of patients with infectious encephalitis requiring intensive care: A prospective multicentre observational study. J Crit Care 2023; 77:154300. [PMID: 37207520 DOI: 10.1016/j.jcrc.2023.154300] [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: 09/17/2022] [Revised: 01/23/2023] [Accepted: 03/30/2023] [Indexed: 05/21/2023]
Abstract
PURPOSE Infectious encephalitis (IE) is a severe disease which requires intensive care unit (ICU) admission in up to 50% of cases. We aimed to describe characteristics, management and outcomes of IE patients who required ICU admission. MATERIALS AND METHODS Ancillary study focusing on patients with ICU admission within the ENCEIF cohort, a French prospective observational multicentre study. The primary criteria for outcome was the functional status at hospital discharge, categorized using the Glasgow outcome scale (GOS). Logistic regression model was used to identify risk factors for poor outcome, defined as a GOS ≤ 3. RESULTS We enrolled 198 ICU patients with IE. HSV was the primary cause (n = 72, 36% of all IE, 53% of IE with microbiological documentation). Fifty-two patients (26%) had poor outcome at hospital discharge, including 22 deaths (11%). Immunodeficiency, supratentorial focal signs on admission, lower cerebrospinal fluid (CSF) white cells count (<75/mm3), abnormal brain imaging, and time from symptoms onset to acyclovir start >2 days were independent predictors of poor outcome. CONCLUSION HSV is the primary cause of IE requiring ICU admission. IE patients admitted in ICU have a poor prognosis with 11% of in-hospital mortality and 15% of severe disabilities in survivors at discharge.
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Affiliation(s)
- Pierre Fillatre
- Intensive care unit, Centre Hospitalier Yves Le Foll, Saint Brieuc, France; INSERM, CIC 1414, Rennes, France.
| | | | - Jean Paul Stahl
- University Grenoble Alpes, Infectious diseases department, Grenoble, France
| | - Pierre Tattevin
- INSERM, CIC 1414, Rennes, France; Infectious diseases department, CHU Ponchaillou, Rennes, France
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Sonneville R, de Montmollin E, Contou D, Ferrer R, Gurjar M, Klouche K, Sarton B, Demeret S, Bailly P, da Silva D, Escudier E, Le Guennec L, Chabanne R, Argaud L, Ben Hadj Salem O, Thyrault M, Frerou A, Louis G, De Pascale G, Horn J, Helbok R, Geri G, Bruneel F, Martin-Loeches I, Taccone FS, De Waele JJ, Ruckly S, Staiquly Q, Citerio G, Timsit JF. Clinical features, etiologies, and outcomes in adult patients with meningoencephalitis requiring intensive care (EURECA): an international prospective multicenter cohort study. Intensive Care Med 2023; 49:517-529. [PMID: 37022378 DOI: 10.1007/s00134-023-07032-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 03/08/2023] [Indexed: 04/07/2023]
Abstract
PURPOSE We aimed to characterize the outcomes of patients with severe meningoencephalitis requiring intensive care. METHODS We conducted a prospective multicenter international cohort study (2017-2020) in 68 centers across 7 countries. Eligible patients were adults admitted to the intensive care unit (ICU) with meningoencephalitis, defined by an acute onset of encephalopathy (Glasgow coma scale (GCS) score [Formula: see text] 13), a cerebrospinal fluid pleocytosis [Formula: see text] 5 cells/mm3, and at least two of the following criteria: fever, seizures, focal neurological deficit, abnormal neuroimaging, and/or electroencephalogram. The primary endpoint was poor functional outcome at 3 months, defined by a score of three to six on the modified Rankin scale. Multivariable analyses stratified on centers investigated ICU admission variables associated with the primary endpoint. RESULTS Among 599 patients enrolled, 589 (98.3%) completed the 3-month follow-up and were included. Overall, 591 etiologies were identified in those patients which were categorized into five groups: acute bacterial meningitis (n = 247, 41.9%); infectious encephalitis of viral, subacute bacterial, or fungal/parasitic origin (n = 140, 23.7%); autoimmune encephalitis (n = 38, 6.4%); neoplastic/toxic encephalitis (n = 11, 1.9%); and encephalitis of unknown origin (n = 155, 26.2%). Overall, 298 patients (50.5%, 95% CI 46.6-54.6%) had a poor functional outcome, including 152 deaths (25.8%). Variables independently associated with a poor functional outcome were age > 60 years (OR 1.75, 95% CI 1.22-2.51), immunodepression (OR 1.98, 95% CI 1.27-3.08), time between hospital and ICU admission > 1 day (OR 2.02, 95% CI 1.44-2.99), a motor component on the GCS [Formula: see text] 3 (OR 2.23, 95% CI 1.49-3.45), hemiparesis/hemiplegia (OR 2.48, 95% CI 1.47-4.18), respiratory failure (OR 1.76, 95% CI 1.05-2.94), and cardiovascular failure (OR 1.72, 95% CI 1.07-2.75). In contrast, administration of a third-generation cephalosporin (OR 0.54, 95% CI 0.37-0.78) and acyclovir (OR 0.55, 95% CI 0.38-0.80) on ICU admission were protective. CONCLUSION Meningoencephalitis is a severe neurologic syndrome associated with high mortality and disability rates at 3 months. Actionable factors for which improvement could be made include time from hospital to ICU admission, early antimicrobial therapy, and detection of respiratory and cardiovascular complications at admission.
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Affiliation(s)
- Romain Sonneville
- Université Paris Cité, INSERM UMR 1137, 75018, Paris, France.
- APHP, Department of Intensive Care Medicine, Bichat-Claude Bernard University Hospital, 75018, Paris, France.
- Service de Médecine Intensive-Réanimation, Hôpital Bichat-Claude Bernard, 46 Rue Henri Huchard, 75877, Paris Cedex, France.
| | - Etienne de Montmollin
- Université Paris Cité, INSERM UMR 1137, 75018, Paris, France
- APHP, Department of Intensive Care Medicine, Bichat-Claude Bernard University Hospital, 75018, Paris, France
| | - Damien Contou
- Department of Intensive Care Medicine, Victor Dupouy Hospital, Argenteuil, France
| | - Ricard Ferrer
- Department of Intensive Care Medicine, Val d'Hebron University Hospital, Barcelona, Spain
| | - Mohan Gurjar
- Department of Critical Care Medicine, Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS), Lucknow, India
| | - Kada Klouche
- Department of Intensive Care Medicine, Montpellier University Hospital, Montpellier, France
| | - Benjamine Sarton
- Department of Intensive Care Medicine, Purpan University Hospital, Toulouse, France
| | - Sophie Demeret
- Sorbonne University, AP-HP, Neurology Department, Neurological Intensive Care Unit, Pitié Salpêtrière Hospital, Paris, France
| | - Pierre Bailly
- Department of Intensive Care Medicine, Brest University Hospital, Brest, France
| | - Daniel da Silva
- Department of Intensive Care Medicine, Saint Denis University Hospital, Saint Denis, France
| | - Etienne Escudier
- Department of Intensive Care Medicine, Annecy Hospital, Annecy, France
| | - Loic Le Guennec
- Department of Intensive Care Medicine, La Pitié-Salpêtrière University Hospital, Paris, France
| | - Russel Chabanne
- Department of Anesthesia and Intensive Care Medicine, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
| | - Laurent Argaud
- Department of Intensive Care Medicine, Lyon University Hospital, Lyon, France
| | - Omar Ben Hadj Salem
- Department of Intensive Care Medicine, Poissy-Saint Germain Hospital, Poissy, France
| | - Martial Thyrault
- Department of Intensive Care Medicine, Longjumeau hospital, Longjumeau, France
| | - Aurélien Frerou
- Department of Intensive Care Medicine, Pontchaillou Hospital, Rennes, France
| | - Guillaume Louis
- Department of Intensive Care Medicine, Metz Hospital, Metz, France
| | - Gennaro De Pascale
- Department of Emergency, Intensive Care Medicine and Anesthesia, Fondazione Policlinico Universitario A.Gemelli IRCCS, Rome, Italy
| | - Janneke Horn
- Department of Intensive Care Medicine, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Raimund Helbok
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
- Department of Neurology, Johannes Kepler University Linz, Linz, Austria
| | - Guillaume Geri
- Department of Intensive Care Medicine, Ambroise Paré University Hospital, Boulogne-Billancourt, France
| | - Fabrice Bruneel
- Department of Intensive Care Medicine, Versailles Hospital, Le Chesnay, France
| | | | - Fabio Silvio Taccone
- Department of Intensive Care Medicine, Hôpital Universitaire de Bruxelles (HUB), Brussels, Belgium
| | - Jan J De Waele
- Department of Intensive Care Medicine, Ghent University Hospital, Ghent, Belgium
| | | | | | - Giuseppe Citerio
- School of Medicine and Surgery, University Milano Bicocca, Milan, Italy
- NeuroIntensive Care Unit, Department of Neuroscience, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Jean-François Timsit
- Université Paris Cité, INSERM UMR 1137, 75018, Paris, France
- APHP, Department of Intensive Care Medicine, Bichat-Claude Bernard University Hospital, 75018, Paris, France
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Alam AM, Chen JPK, Wood GK, Facer B, Bhojak M, Das K, Defres S, Marson A, Granerod J, Brown D, Thomas RH, Keller SS, Solomon T, Michael BD. Increased volume of cerebral oedema is associated with risk of acute seizure activity and adverse neurological outcomes in encephalitis - regional and volumetric analysis in a multi-centre cohort. BMC Neurol 2022; 22:412. [PMID: 36344954 PMCID: PMC9639313 DOI: 10.1186/s12883-022-02926-5] [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: 07/22/2022] [Accepted: 10/17/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Seizures can occur unpredictably in patients with acute encephalitis syndrome (AES), and many suffer from poor long-term neurological sequelae. Establishing factors associated with acute seizures risk and poor outcomes could support clinical care. We aimed to conduct regional and volumetric analysis of cerebral oedema on magnetic resonance imaging (MRI) in patients with AES. We assessed the relationship of brain oedema with acute seizure activity and long-term neurological outcome. METHODS In a multi-centre cohort study, adults and children presenting with an AES were recruited in the UK. The clinical and brain MRI data were retrospectively reviewed. The outcomes variables were inpatient acute seizure activity and neurological disability at six-months post-discharge. A poor outcome was defined as a Glasgow outcome score (GOS) of 1-3. We quantified regional brain oedema on MRI through stereological examination of T2-weighted images using established methodology by independent and blinded assessors. Clinical and neuroimaging variables were analysed by multivariate logistic regression to assess for correlation with acute seizure activity and outcome. RESULTS The study cohort comprised 69 patients (mean age 31.8 years; 53.6% female), of whom 41 (59.4%) had acute seizures as inpatients. A higher Glasgow coma scale (GCS) score on admission was a negative predictor of seizures (OR 0.61 [0.46-0.83], p = 0.001). Even correcting for GCS on admission, the presence of cortical oedema was a significant risk factor for acute seizure activity (OR 5.48 [1.62-18.51], p = 0.006) and greater volume of cerebral oedema in these cortical structures increased the risk of acute seizures (OR 1.90 [1.12-3.21], p = 0.017). At six-month post-discharge, 21 (30.4%) had a poor neurological outcome. Herpes simplex virus encephalitis was associated with higher risk of poor outcomes in univariate analysis (OR 3.92 [1.08-14.20], p = 0.038). When controlling for aetiology, increased volume of cerebral oedema was an independent risk factor for adverse neurological outcome at 6 months (OR 1.73 [1.06-2.83], p = 0.027). CONCLUSIONS Both the presence and degree of cerebral oedema on MRIs of patients with AES may help identify patients at risk of acute seizure activity and subsequent long-term morbidity.
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Affiliation(s)
- Ali M Alam
- Department of Clinical Infection Microbiology and Immunology, Institute of Infection, Veterinary, and Ecological Science, University of Liverpool, Liverpool, UK
- The NIHR Health Protection Research Unit for Emerging and Zoonotic Infection, Liverpool, UK
| | | | - Greta K Wood
- Department of Clinical Infection Microbiology and Immunology, Institute of Infection, Veterinary, and Ecological Science, University of Liverpool, Liverpool, UK
- The NIHR Health Protection Research Unit for Emerging and Zoonotic Infection, Liverpool, UK
| | - Bethany Facer
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, UK
| | - Maneesh Bhojak
- Department of Neuroradiology, The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - Kumar Das
- Department of Neuroradiology, The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - Sylviane Defres
- Department of Clinical Infection Microbiology and Immunology, Institute of Infection, Veterinary, and Ecological Science, University of Liverpool, Liverpool, UK
- The NIHR Health Protection Research Unit for Emerging and Zoonotic Infection, Liverpool, UK
- Tropical and Infectious Diseases Unit, Liverpool University Hospitals NHS Trust, Liverpool, UK
| | - Anthony Marson
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, UK
- Department of Neurology, The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - Julia Granerod
- Independent Scientific Consultant, formerly of Public Health England, London, UK
| | - David Brown
- UK Heath Security Agency, 61 Colindale Avenue, London, UK
| | - Rhys H Thomas
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Simon S Keller
- Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, UK
| | - Tom Solomon
- Department of Clinical Infection Microbiology and Immunology, Institute of Infection, Veterinary, and Ecological Science, University of Liverpool, Liverpool, UK
- The NIHR Health Protection Research Unit for Emerging and Zoonotic Infection, Liverpool, UK
- Department of Neurology, The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - Benedict D Michael
- Department of Clinical Infection Microbiology and Immunology, Institute of Infection, Veterinary, and Ecological Science, University of Liverpool, Liverpool, UK.
- The NIHR Health Protection Research Unit for Emerging and Zoonotic Infection, Liverpool, UK.
- Department of Neurology, The Walton Centre NHS Foundation Trust, Liverpool, UK.
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Clinico-biological markers for the prognosis of status epilepticus in adults. J Neurol 2022; 269:5868-5882. [PMID: 35768546 DOI: 10.1007/s00415-022-11199-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/15/2022] [Accepted: 05/16/2022] [Indexed: 10/17/2022]
Abstract
Prediction of mortality, functional outcome and recovery after status epilepticus (SE) is a challenge. Biological and clinical markers have been proposed to reflect the brain injury or to monitor critical ill patients' severity. The aim of this study was to characterize short-term and long-term prognostic factors for SE patients hospitalized in intensive care unit. Patient's outcome was assessed using the modified Rankin Scale at discharge and after 6-12 months. We first assessed the univariate prognosis significance of 51 clinical, demographic or biochemical markers. Next, we built multivariate clinico-biological models by combining most important factors. Statistical models' performances were compared to those of two previous published scales STESS and mSTESS. Eighty-one patients were enrolled. Thirty-five patients showed a steady state while 46 patients clinically worsened at discharge: 14 died, 14 had persistent disability at 6-12 months and 18 recovered. Logistic regression analysis revealed that clinical markers (SE refractoriness, SE duration, de novo SE) were significant independent predictors of worsening while lipids markers and progranulin better predicted mortality. The association of clinico-biological variables allowed to accurately predict worsening at discharge (AUC > 0.72), mortality at discharge (AUC 0.83) and recovery at long-term (AUC 0.89). Previous scales provided lower prediction for worsening (AUC 0.63, STESS; 0.53, mSTESS) and mortality (AUC 0.56, STESS; 0.62, mSTESS) (p < 0.001). We proposed new clinico-biological models with a strong discrimination power for prediction of short- and long-term outcome of hospitalized status epilepticus patients. Their implementation in electronic devices may enhance their clinical liability.
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Sonneville R, Jaquet P, Vellieux G, de Montmollin E, Visseaux B. Intensive care management of patients with viral encephalitis. Rev Neurol (Paris) 2021; 178:48-56. [PMID: 34973832 DOI: 10.1016/j.neurol.2021.12.002] [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: 10/08/2021] [Accepted: 12/13/2021] [Indexed: 11/26/2022]
Abstract
Viral encephalitis is a severe syndrome that can lead to encephalopathy, seizures, focal deficits, and neurological sequelae and death. It is mainly caused by neurotropic herpes viruses (i.e., HSV and VZV), although other pathogens may be observed in specific geographic regions or conditions. Recent advances in neuroimaging and molecular biology (PCR, metagenomics) allow for faster and more accurate etiological diagnoses, although their benefits need to be confirmed to provide guidelines for their use and interpretation. Despite intravenous acyclovir therapy and supportive care, outcomes remain poor in about two-thirds of herpes encephalitis patients requiring ICU admission. Randomized clinical trials focusing on symptomatic measures (i.e. early ICU admission, fever control, and treatment of seizures/status epilepticus) or adjunctive immunomodulatory therapies (i.e. steroids, intravenous immunoglobulins) to improve neurologic outcomes have not been conducted in the ICU setting. Large prospective multicenter studies combining clinical, electrophysiological, and neuroimaging data are needed to improve current knowledge on care pathways, long-term outcomes, and prognostication.
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Affiliation(s)
- R Sonneville
- Université de Paris, INSERM UMR1148, team 6, 75018 Paris, France; AP-HP, intensive care medicine, Hôpital Bichat - Claude Bernard, 75018 Paris, France.
| | - P Jaquet
- AP-HP, intensive care medicine, Hôpital Bichat - Claude Bernard, 75018 Paris, France
| | - G Vellieux
- AP-HP, department of Physiology, Hôpital Bichat - Claude Bernard, 75018 Paris, France
| | - E de Montmollin
- Université de Paris, INSERM UMR1148, team 6, 75018 Paris, France; Université de Paris, INSERM UMR1137, team 6, 75018 Paris, France
| | - B Visseaux
- Université de Paris, INSERM UMR1137, team 6, 75018 Paris, France; AP-HP, department of virology, Hôpital Bichat - Claude Bernard, 75018 Paris, France
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7
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Husari KS, Cervenka MC. Ketogenic Diet Therapy for the Treatment of Post-encephalitic and Autoimmune-Associated Epilepsies. Front Neurol 2021; 12:624202. [PMID: 34220664 PMCID: PMC8242936 DOI: 10.3389/fneur.2021.624202] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 05/19/2021] [Indexed: 12/13/2022] Open
Abstract
Introduction: Acute Encephalitis is associated with a high risk of acute symptomatic seizures, status epilepticus, and remote symptomatic epilepsy. Ketogenic diet therapies (KDT) have been established as a feasible and safe adjunctive management of refractory- and super-refractory status epilepticus. However, the role of KDT in the chronic management of Post-encephalitic epilepsy (PE) and autoimmune-associated epilepsy (AE) is unknown. This study aims to investigate the use of KDT in patients with PE and AE. Methods: A retrospective single-center case series examining adult patients with PE and AE treated with the modified Atkins diet (MAD), a KDT commonly used by adults with drug-resistant epilepsy. Results: Ten patients with PE and AE who were treated with adjunctive MAD were included. Four patients had either confirmed or presumed viral encephalitis, five patients had seronegative AE, and one patient had GAD65 AE. The median latency between starting MAD and onset of encephalitis was 6 years (IQR: 1–10). The median duration of MAD was 10 months (IQR: 3.75–36). Three patients (30%) became seizure-free, one patient (10%) achieved 90% seizure freedom, and three patients (30%) achieved a 50–75% reduction in their baseline seizure frequency, while three patients (30%) had no significant benefit. Overall, seven patients (70%) achieved ≥50% seizure reduction. Conclusion: In addition to its established role in the treatment of RSE, KDT may be a safe and feasible option for the treatment of chronic PE and AE, particularly in those with prior history of SE. Prospective studies are warranted to explore the efficacy of KDT in management of patients with PE and AE.
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Affiliation(s)
- Khalil S Husari
- Department of Neurology, Johns Hopkins Comprehensive Epilepsy Center, Johns Hopkins University, Baltimore, MD, United States
| | - Mackenzie C Cervenka
- Department of Neurology, Johns Hopkins Comprehensive Epilepsy Center, Johns Hopkins University, Baltimore, MD, United States
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Boddu SHS, Kumari S. Design and In Vitro Evaluation of Intranasal Diazepam for Treating Acute Repetitive Seizures: a Technical Note. J Pharm Innov 2020. [DOI: 10.1007/s12247-020-09519-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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9
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Outin H, Gueye P, Alvarez V, Auvin S, Clair B, Convers P, Crespel A, Demeret S, Dupont S, Engels JC, Engrand N, Freund Y, Gelisse P, Girot M, Marcoux MO, Navarro V, Rossetti A, Santoli F, Sonneville R, Szurhaj W, Thomas P, Titomanlio L, Villega F, Lefort H, Peigne V. Recommandations Formalisées d’Experts SRLF/SFMU : Prise en charge des états de mal épileptiques en préhospitalier, en structure d’urgence et en réanimation dans les 48 premières heures (A l’exclusion du nouveau-né et du nourrisson). ANNALES FRANCAISES DE MEDECINE D URGENCE 2020. [DOI: 10.3166/afmu-2020-0232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
La Société de réanimation de langue française et la Société française de médecine d’urgence ont décidé d’élaborer de nouvelles recommandations sur la prise en charge de l’état mal épileptique (EME) avec l’ambition de répondre le plus possible aux nombreuses questions pratiques que soulèvent les EME : diagnostic, enquête étiologique, traitement non spécifique et spécifique. Vingt-cinq experts ont analysé la littérature scientifique et formulé des recommandations selon la méthodologie GRADE. Les experts se sont accordés sur 96 recommandations. Les recommandations avec le niveau de preuve le plus fort ne concernent que l’EME tonico-clonique généralisé (EMTCG) : l’usage des benzodiazépines en première ligne (clonazépam en intraveineux direct ou midazolam en intramusculaire) est recommandé, répété 5 min après la première injection (à l’exception du midazolam) en cas de persistance clinique. En cas de persistance 5 min après cette seconde injection, il est proposé d’administrer la seconde ligne thérapeutique : valproate de sodium, (fos-)phénytoïne, phénobarbital ou lévétiracétam. La persistance avérée de convulsions 30 min après le début de l’administration du traitement de deuxième ligne signe l’EMETCG réfractaire. Il est alors proposé de recourir à un coma thérapeutique au moyen d’un agent anesthésique intraveineux de type midazolam ou propofol. Des recommandations spécifiques à l’enfant et aux autres EME sont aussi énoncées.
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Valton L, Benaiteau M, Denuelle M, Rulquin F, Hachon Le Camus C, Hein C, Viguier A, Curot J. Etiological assessment of status epilepticus. Rev Neurol (Paris) 2020; 176:408-426. [PMID: 32331701 DOI: 10.1016/j.neurol.2019.12.010] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 12/23/2019] [Indexed: 12/30/2022]
Abstract
Status epilepticus (SE) is a potentially serious condition that can affect vital and functional prognosis and requires urgent treatment. Etiology is a determining factor in the patient's functional outcome and in almost half of all cases justifies specific treatment to stop progression. Therefore, identifying and addressing the cause of SE is a key priority in SE management. However, the etiology can be difficult to identify among acute and remote causes, which can also be multiple and interrelated. The most common etiologies are the discontinuation of antiepileptic medication in patients with a prior history of epilepsy, and acute brain aggression in cases of new onset SE (cerebrovascular pathologies are the most common). The list of remaining possible etiologies includes heterogeneous pathological contexts. Refractory SE and especially New-Onset Refractory Status Epilepticus (NORSE) lead to an extension of the etiological assessment in the search for encephalitis of autoimmune or infectious origin in adults and in children, as well as a genetic pathology in children in particular. This is an overview of current knowledge of SE etiologies and a pragmatic approach for carrying out an etiological assessment based on the following steps: - Which etiological orientation is identified according to the field and clinical presentation?; - Which etiologies to look for in an inaugural SE?; - Which first-line assessment should be carried out? The place of the biological, EEG and imaging assessment is discussed; - Which etiologies to look for in case of refractory SE?
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Affiliation(s)
- L Valton
- Explorations Neurophysiologiques, Département de Neurologie, Hôpital Pierre-Paul-Riquet, Purpan, CHU de Toulouse, Toulouse, France; Centre de Recherche Cerveau et Cognition, Université de Toulouse, Université Paul-Sabatier Toulouse, Toulouse, France; CerCo, UMR 5549, Centre National de la Recherche Scientifique, Toulouse Mind and Brain Institute, Toulouse, France.
| | - M Benaiteau
- Unité Cognition, Épilepsie, Mouvements Anormaux, Département de Neurologie, Hôpital Pierre-Paul-Riquet, Purpan, CHU de Toulouse, Toulouse, France
| | - M Denuelle
- Explorations Neurophysiologiques, Département de Neurologie, Hôpital Pierre-Paul-Riquet, Purpan, CHU de Toulouse, Toulouse, France; Centre de Recherche Cerveau et Cognition, Université de Toulouse, Université Paul-Sabatier Toulouse, Toulouse, France; CerCo, UMR 5549, Centre National de la Recherche Scientifique, Toulouse Mind and Brain Institute, Toulouse, France
| | - F Rulquin
- Post-Urgence Neurologique, Département de Neurologie, Hôpital Pierre-Paul-Riquet, Purpan, CHU de Toulouse, Toulouse, France
| | - C Hachon Le Camus
- Neuropédiatrie, Hôpital des Enfants, Purpan, CHU de Toulouse, Toulouse, France
| | - C Hein
- Neurogériatrie, Hôpital Purpan, CHU de Toulouse, Toulouse, France
| | - A Viguier
- Soins Intensifs Neurovasculaires, Département de Neurologie, Hôpital Pierre-Paul-Riquet, Purpan, CHU de Toulouse, Toulouse, France
| | - J Curot
- Explorations Neurophysiologiques, Département de Neurologie, Hôpital Pierre-Paul-Riquet, Purpan, CHU de Toulouse, Toulouse, France; Centre de Recherche Cerveau et Cognition, Université de Toulouse, Université Paul-Sabatier Toulouse, Toulouse, France; CerCo, UMR 5549, Centre National de la Recherche Scientifique, Toulouse Mind and Brain Institute, Toulouse, France
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11
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A tiered strategy for investigating status epilepticus. Seizure 2020; 75:165-173. [DOI: 10.1016/j.seizure.2019.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 10/07/2019] [Accepted: 10/08/2019] [Indexed: 01/03/2023] Open
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12
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Understanding auto-immune encephalitis in the ICU. Intensive Care Med 2019; 45:1795-1798. [PMID: 31555853 DOI: 10.1007/s00134-019-05773-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Accepted: 08/31/2019] [Indexed: 02/05/2023]
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13
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Jaquet P, de Montmollin E, Dupuis C, Sazio C, Conrad M, Susset V, Demeret S, Tadie JM, Argaud L, Barbier F, Sarton B, Chabane R, Daubin D, Brulé N, Lerolle N, Alves M, Da Silva D, Kalioubi AE, Silva S, Bailly P, Wolff M, Bouadma L, Timsit JF, Sonneville R. Functional outcomes in adult patients with herpes simplex encephalitis admitted to the ICU: a multicenter cohort study. Intensive Care Med 2019; 45:1103-1111. [PMID: 31292686 DOI: 10.1007/s00134-019-05684-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 06/27/2019] [Indexed: 10/26/2022]
Abstract
PURPOSE We aimed to study the association of body temperature and other admission factors with outcomes of herpes simplex encephalitis (HSE) adult patients requiring ICU admission. METHODS We conducted a retrospective multicenter study on patients diagnosed with HSE in 47 ICUs in France, between 2007 and 2017. Fever was defined as a body temperature higher or equal to 38.3 °C. Multivariate logistic regression analysis was used to identify factors associated with poor outcome at 90 days, defined by a score of 3-6 (indicating moderate-to-severe disability or death) on the modified Rankin scale. RESULTS Overall, 259 patients with a score on the Glasgow coma scale of 9 (6-12) and a body temperature of 38.7 (38.1-39.2) °C at admission were studied. At 90 days, 185 (71%) patients had a poor outcome, including 44 (17%) deaths. After adjusting for age, fever (OR = 2.21; 95% CI 1.18-4.16), mechanical ventilation (OR = 2.21; 95% CI 1.21-4.03), and MRI brain lesions > 3 lobes (OR = 3.04; 95% CI 1.35-6.81) were independently associated with poor outcome. By contrast, a direct ICU admission, as compared to initial admission to the hospital wards (i.e., indirect ICU admission), was protective (OR = 0.52; 95% CI 0.28-0.95). Sensitivity analyses performed after adjustment for functional status before admission and reason for ICU admission yielded similar results. CONCLUSIONS In HSE adult patients requiring ICU admission, several admission factors are associated with an increased risk of poor functional outcome. The identification of potentially modifiable factors, namely, elevated admission body temperature and indirect ICU admission, provides an opportunity for testing further intervention strategies.
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Affiliation(s)
- P Jaquet
- Department of Intensive Care Medicine and Infectious Diseases, Bichat-Claude Bernard University Hospital, AP-HP, 46 Rue Henri Huchard, 75877, Paris Cedex, France
| | - E de Montmollin
- Department of Intensive Care Medicine and Infectious Diseases, Bichat-Claude Bernard University Hospital, AP-HP, 46 Rue Henri Huchard, 75877, Paris Cedex, France.,UMR 1137, IAME, Paris Diderot University, Paris, France
| | - C Dupuis
- Department of Intensive Care Medicine and Infectious Diseases, Bichat-Claude Bernard University Hospital, AP-HP, 46 Rue Henri Huchard, 75877, Paris Cedex, France.,UMR 1137, IAME, Paris Diderot University, Paris, France
| | - C Sazio
- Medical Intensive Care Unit, Bordeaux University Hospital, Bordeaux, France
| | - M Conrad
- Medical Intensive Care Unit, Central Hospital, Nancy University Hospitals, Nancy, France
| | - V Susset
- Polyvalent Intensive Care Unit, Chambery Hospital, Chambery, France
| | - S Demeret
- Neurologic Intensive Care Unit, Pitié-Salpêtrière University Hospital, AP-HP, Paris, France
| | - J M Tadie
- Medical Intensive Care Unit, Pontchaillou University Hospital, Rennes, France
| | - L Argaud
- Medical Intensive Care Unit, Edouard Herriot University Hospital, Lyon, France
| | - F Barbier
- Medical Intensive Care Unit, La Source Hospital, Orléans, France
| | - B Sarton
- Intensive Care Unit, Purpan University Hospital, Toulouse, France
| | - R Chabane
- Department of Perioperative Medicine, Clermont-Ferrand University Hospital, Clermont-Ferrand, France
| | - D Daubin
- Medical Intensive Care Unit, Montpellier University Hospital, Montpellier, France
| | - N Brulé
- Medical Intensive Care Unit, Nantes University Hospital, Nantes, France
| | - N Lerolle
- Medical Intensive Care Unit, CHU Angers, Angers University Hospital, Angers, France
| | - M Alves
- Polyvalent Intensive Care Unit, Poissy-Saint-Germain-en-Laye Hospital, Poissy, France
| | - D Da Silva
- Intensive Care Unit, Delafontaine Hospital, Saint-Denis, France
| | - A El Kalioubi
- Medical Intensive Care Unit, Roger Salengro University Hospital, Lille, France
| | - S Silva
- Intensive Care Unit, Purpan University Hospital, Toulouse, France
| | - P Bailly
- Medical Intensive Care Unit, La Cavale Blanche University Hospital, Brest, France
| | - M Wolff
- Department of Intensive Care Medicine and Infectious Diseases, Bichat-Claude Bernard University Hospital, AP-HP, 46 Rue Henri Huchard, 75877, Paris Cedex, France
| | - L Bouadma
- Department of Intensive Care Medicine and Infectious Diseases, Bichat-Claude Bernard University Hospital, AP-HP, 46 Rue Henri Huchard, 75877, Paris Cedex, France.,UMR 1137, IAME, Paris Diderot University, Paris, France
| | - J F Timsit
- Department of Intensive Care Medicine and Infectious Diseases, Bichat-Claude Bernard University Hospital, AP-HP, 46 Rue Henri Huchard, 75877, Paris Cedex, France.,UMR 1137, IAME, Paris Diderot University, Paris, France
| | - R Sonneville
- Department of Intensive Care Medicine and Infectious Diseases, Bichat-Claude Bernard University Hospital, AP-HP, 46 Rue Henri Huchard, 75877, Paris Cedex, France. .,UMR1148, LVTS, Sorbonne Paris Cité, Inserm/Paris Diderot University, Paris, France.
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14
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Zou J, Wang X, Huang L, Liu J, Kong Y, Li S, Lu Q. Kininogen Level in the Cerebrospinal Fluid May Be a Potential Biomarker for Predicting Epileptogenesis. Front Neurol 2019; 10:37. [PMID: 30804871 PMCID: PMC6371036 DOI: 10.3389/fneur.2019.00037] [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: 09/15/2018] [Accepted: 01/11/2019] [Indexed: 11/13/2022] Open
Abstract
Purpose: Epilepsy is a highly disabling neurological disorder. Brain insult is the most critical cause of epilepsy in adults. This study aimed to find reliable and efficient biomarkers for predicting secondary epilepsy. Materials and methods: The LiCl-pilocarpine (LiCl-Pilo) chronic epilepsy rat model was used, and rat cerebrospinal fluid (CSF) was collected 5 days after status epilepticus (SE). The CSF was analyzed using the label-free LC-ESI-Q-TOF-MS/MS. Differential expression of proteins was confirmed using enzyme-linked immunosorbent assay (ELISA) and Western blotting. The corresponding protein level in the CSF of patients with encephalitis in the postacute phase was determined using ELISA and compared between patients with and without symptomatic epilepsy after encephalitis during a 2-year follow-up. Results: The proteomics and ELISA results showed that the protein level of kininogen (KNG) was obviously elevated in both CSF and hippocampus, but not in serum, 5 days after the onset of SE in LiCl-Pilo chronic epilepsy model rats. In patients with encephalitis, the protein level of KNG in the CSF in the postacute phase was significantly elevated in patients with a recurrent epileptic seizure during a 2-year follow-up than in patients without a recurrent seizure. Conclusion: KNG in the CSF may serve as a potential biomarker for predicting epileptogenesis in patients with encephalitis.
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Affiliation(s)
- Jing Zou
- Department of Neurology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xinxin Wang
- Department of Neurology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ligang Huang
- Department of Neurology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Juan Liu
- Key Laboratory for the Genetics of Development and Neuropsychiatric Disorders (Ministry of Education), Shanghai Key Laboratory of Psychotic Disorders, and Brain Science and Technology Research Center, Bio-X Institutes, Shanghai Jiao Tong University, Shanghai, China
| | - Yingying Kong
- Key Laboratory for the Genetics of Development and Neuropsychiatric Disorders (Ministry of Education), Shanghai Key Laboratory of Psychotic Disorders, and Brain Science and Technology Research Center, Bio-X Institutes, Shanghai Jiao Tong University, Shanghai, China
| | - Shengtian Li
- Key Laboratory for the Genetics of Development and Neuropsychiatric Disorders (Ministry of Education), Shanghai Key Laboratory of Psychotic Disorders, and Brain Science and Technology Research Center, Bio-X Institutes, Shanghai Jiao Tong University, Shanghai, China
| | - Qinchi Lu
- Department of Neurology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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15
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Venkatesan A, Michael BD, Probasco JC, Geocadin RG, Solomon T. Acute encephalitis in immunocompetent adults. Lancet 2019; 393:702-716. [PMID: 30782344 DOI: 10.1016/s0140-6736(18)32526-1] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 10/01/2018] [Accepted: 10/04/2018] [Indexed: 01/26/2023]
Abstract
Encephalitis is a condition of inflammation of the brain parenchyma, occurs as a result of infectious or autoimmune causes, and can lead to encephalopathy, seizures, focal neurological deficits, neurological disability, and death. Viral causes account for the largest proportion, but in the last decade there has been growing recognition of anti-neuronal antibody syndromes. This Seminar focuses on the diagnosis and management of acute encephalitis in adults. Although viral and autoimmune causes are highlighted because of their prominent roles in encephalitis, other infectious pathogens are also considered. The role of cerebrospinal fluid studies, MRI, and novel diagnostic modalities (eg, next-generation sequencing) are discussed. Management approaches, including treatment of acute neurological complications and the use of immune suppressive and modulatory drugs for cases of suspected or confirmed autoimmune cause, are covered. Additionally, we discuss the remaining challenges in the diagnosis, management, and prognosis of encephalitis.
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Affiliation(s)
- Arun Venkatesan
- Johns Hopkins Encephalitis Center, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Benedict D Michael
- Center for Immune and Inflammatory Disease, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA; National Institute for Health Research Health Protection Research Unit in Emerging and Zoonotic Infections, Institute of Infection and Global Health, University of Liverpool, Liverpool, UK; Department of Neurology, the Walton Center NHS Foundation Trust, Liverpool, UK
| | - John C Probasco
- Johns Hopkins Encephalitis Center, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Romergryko G Geocadin
- Johns Hopkins Encephalitis Center, Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Anaesthesia/Critical Care, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Tom Solomon
- National Institute for Health Research Health Protection Research Unit in Emerging and Zoonotic Infections, Institute of Infection and Global Health, University of Liverpool, Liverpool, UK; Department of Neurology, the Walton Center NHS Foundation Trust, Liverpool, UK
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16
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Yuan F, Yang F, Jia R, Li W, Jiang Y, Zhao J, Jiang W. Multimodal Predictions of Super-Refractory Status Epilepticus and Outcome in Status Epilepticus Due to Acute Encephalitis. Front Neurol 2018; 9:832. [PMID: 30349506 PMCID: PMC6186801 DOI: 10.3389/fneur.2018.00832] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 09/18/2018] [Indexed: 01/01/2023] Open
Abstract
Objective: Status epilepticus (SE) is one of the most critical symptoms of encephalitis. Studies on early predictions of progression to super-refractory status epilepticus (SRSE) and poor outcome in SE due to acute encephalitis are scarce. We aimed to investigate the values of neuroimaging and continuous electroencephalogram (EEG) in the multimodal prediction. Methods: Consecutive patients with convulsive SE due to acute encephalitis were included in this study. Demographics, clinical features, neuro-imaging characteristics, medical interventions, and anti-epileptic treatment responses were collected. All the patients had EEG monitoring for at least 24 h. We determined the early predictors of SRSE and prognostic factors of 3-month outcome using multivariate logistic regression analyses. Results: From March 2008 to February 2018, 570 patients with acute encephalitis were admitted to neurological intensive care unit (N-ICU) of Xijing hospital. Among them, a total of 94 patients with SE were included in this study. The percentage of non-SRSE and SRSE were 76.6 and 23.4%. Cortical or hippocampal abnormality on neuroimaging (p = 0.002, OR 20.55, 95% CI 3.16-133.46) and END-IT score (p < 0.001, OR 4.07, 95% CI 1.91-8.67) were independent predictors of the progression to SRSE. At 3 months after N-ICU discharge, 56 (59.6%) patients attained good outcomes, and 38 (40.4%) patients had poor outcomes. The recurrence of clinical or EEG seizures within 2 h after the infusion rate of a single anesthetic drug >50% proposed maximal dose (p = 0.044, OR 4.52, 95% CI 1.04-19.68), tracheal intubation (p = 0.011, OR 4.99, 95% CI 1.37-11.69) and emergency resuscitation (p = 0.040, OR 9.80, 95% 1.11-86.47) predicted poor functional outcome. Interpretation: Initial neuro-imaging findings assist early identification of the progression to SRSE. Continuous EEG monitoring contributes to outcome prediction in SE due to acute encephalitis.
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Affiliation(s)
- Fang Yuan
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Fang Yang
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Ruihua Jia
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Wen Li
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yongli Jiang
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jingjing Zhao
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Wen Jiang
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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17
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Chen W, Su Y, Jiang M, Liu G, Tian F, Ren G. Status epilepticus associated with acute encephalitis: long‐term follow‐up of functional and cognitive outcomes in 72 patients. Eur J Neurol 2018; 25:1228-1234. [PMID: 29751371 DOI: 10.1111/ene.13678] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 05/03/2018] [Indexed: 11/29/2022]
Affiliation(s)
- W. Chen
- Department of Neurology Xuanwu Hospital Capital Medical University Beijing China
| | - Y. Su
- Department of Neurology Xuanwu Hospital Capital Medical University Beijing China
| | - M. Jiang
- Department of Neurology Xuanwu Hospital Capital Medical University Beijing China
| | - G. Liu
- Department of Neurology Xuanwu Hospital Capital Medical University Beijing China
| | - F. Tian
- Department of Neurology Xuanwu Hospital Capital Medical University Beijing China
| | - G. Ren
- Department of Neurology Xuanwu Hospital Capital Medical University Beijing China
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