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Yu Y, Chen Z, Yang Y, Zhang J, Wang Y. Development and validation of an interpretable machine learning model for predicting post-stroke epilepsy. Epilepsy Res 2024; 205:107397. [PMID: 38976953 DOI: 10.1016/j.eplepsyres.2024.107397] [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: 04/19/2024] [Revised: 06/19/2024] [Accepted: 06/20/2024] [Indexed: 07/10/2024]
Abstract
BACKGROUND Epilepsy is a serious complication after an ischemic stroke. Although two studies have developed prediction model for post-stroke epilepsy (PSE), their accuracy remains insufficient, and their applicability to different populations is uncertain. With the rapid advancement of computer technology, machine learning (ML) offers new opportunities for creating more accurate prediction models. However, the potential of ML in predicting PSE is still not well understood. The purpose of this study was to develop prediction models for PSE among ischemic stroke patients. METHODS Patients with ischemic stroke from two stroke centers were included in this retrospective cohort study. At the baseline level, 33 input variables were considered candidate features. The 2-year PSE prediction models in the derivation cohort were built using six ML algorithms. The predictive performance of these machine learning models required further appraisal and comparison with the reference model using the conventional triage classification information. The Shapley additive explanation (SHAP), based on fair profit allocation among many stakeholders according to their contributions, is used to interpret the predicted outcomes of the naive Bayes (NB) model. RESULTS A total of 1977 patients were included to build the predictive model for PSE. The Boruta method identified NIHSS score, hospital length of stay, D-dimer level, and cortical involvement as the optimal features, with the receiver operating characteristic curves ranging from 0.709 to 0.849. An additional 870 patients were used to validate the ML and reference models. The NB model achieved the best performance among the PSE prediction models with an area under the receiver operating curve of 0.757. At the 20 % absolute risk threshold, the NB model also provided a sensitivity of 0.739 and a specificity of 0.720. The reference model had poor sensitivities of only 0.15 despite achieving a helpful AUC of 0.732. Furthermore, the SHAP method analysis demonstrated that a higher NIHSS score, longer hospital length of stay, higher D-dimer level, and cortical involvement were positive predictors of epilepsy after ischemic stroke. CONCLUSIONS Our study confirmed the feasibility of applying the ML method to use easy-to-obtain variables for accurate prediction of PSE and provided improved strategies and effective resource allocation for high-risk patients. In addition, the SHAP method could improve model transparency and make it easier for clinicians to grasp the prediction model's reliability.
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Affiliation(s)
- Yue Yu
- Affiliated Hospital of Qingdao University, Qingdao, China; Qingdao Municipal Hospital, Qingdao, China
| | - Zhibin Chen
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Yong Yang
- Affiliated Hospital of Qingdao University, Qingdao, China
| | | | - Yan Wang
- Affiliated Hospital of Qingdao University, Qingdao, China.
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Stefan H, Michelson G. Late onset epilepsy and stroke: Diagnosis, pathogenesis and prevention. Seizure 2024:S1059-1311(24)00168-7. [PMID: 38918106 DOI: 10.1016/j.seizure.2024.06.011] [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: 02/12/2024] [Revised: 06/10/2024] [Accepted: 06/10/2024] [Indexed: 06/27/2024] Open
Abstract
The association of stroke and late-onset epilepsy (LOE) is discussed with special regard to its diagnosis, pathogenesis, and prevention. In addition to epidemiological data, including those from different age groups, the mechanisms for the development of acute symptomatic and remote symptomatic seizures are reviewed. The risk factors associated with seizures and post-stroke epilepsy (PSE) are considered, along with the methodological limitations of the study. For future research, the distinction between acute and remote symptomatic seizure before or after seven days from stroke onset should be reviewed because different acute symptomatic seizures (ASSs) themselves can entail a variable PSE risk. The definition of LOE by age is hitherto inconsistent. Comparing adult lifespan epochs, it is evident that stroke and seizures exhibit similar prevalence profiles. Young adulthood, old adulthood, and elderly epochs may be relevant for the differentiation of LOE subtype by age, vascular comorbidity, and other characteristics. A step-scheme strategy as a possible contribution to cerebrovascular prevention approaches is proposed.
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Affiliation(s)
- Hermann Stefan
- Department of Neurology, Biomagnetism, University Hospital Erlangen, Germany; Private Practice, 50, Allee am Röthelheimpark, Erlangen, Germany.
| | - Georg Michelson
- Department of Ophthalmology, University Hospital Erlangen, Germany; Private Practice, Parcside, 2, Am Stadtpark, Nuremberg, Germany
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Chandan P, Byrnes ME, Newey C, Hantus S, Punia V. Outpatient EEG in Routine Clinical Care of Patients With Stroke-Related Acute Symptomatic Seizure Concerns. J Clin Neurophysiol 2024; 41:312-316. [PMID: 36893378 DOI: 10.1097/wnp.0000000000000992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 12/12/2022] [Indexed: 03/11/2023] Open
Abstract
PURPOSE Acute symptomatic seizures (ASyS) after stroke contribute the highest risk to poststroke epilepsy (PSE) development. We investigated the use of outpatient EEG (oEEG) among stroke patients with ASyS concerns. METHODS Adults with acute stroke, ASyS concerns (underwent cEEG), and outpatient clinical follow-up were included (study population). Patients with oEEG (oEEG cohort) were analyzed for electrographic findings. Univariable and multivariable analyses helped identify predictors of oEEG use in routine clinical care. RESULTS Among 507 patients, 83 (16.4%) underwent oEEG. The independent predictors of oEEG utilization included age (OR = 1.03 [1.01 to 1.05, P = 0.01]), electrographic ASyS on cEEG (OR 3.9 [1.77 to 8.9], P < 0.001), ASMs at discharge (OR 3.6 [1.9 to 6.6], P < 0.001), PSE development (OR 6.6 [3.5 to 12.6], P < 0.001), and follow-up duration (OR = 1.01 [1.002 to 1.02], P = 0.016). Almost 40% of oEEG cohort developed PSE, but only 12% had epileptiform abnormalities. Close to a quarter (23%) of oEEGs were within normal limits. CONCLUSIONS One in six patients with ASyS concern after stroke undergoes oEEG. Electrographic ASyS, PSE development, and ASM at discharge are primary drivers of oEEG use. While PSE drives oEEG use, we need systematic, prospective investigation of outpatient EEG's role as prognostic tool for PSE development.
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Affiliation(s)
- Pradeep Chandan
- Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, U.S.A
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Wen LM, Li R, Wang YL, Kong QX, Xia M. Electroencephalogram findings in 10 patients with post-stroke epilepsy: A retrospective study. World J Clin Cases 2024; 12:249-255. [PMID: 38313653 PMCID: PMC10835697 DOI: 10.12998/wjcc.v12.i2.249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/07/2023] [Accepted: 12/22/2023] [Indexed: 01/11/2024] Open
Abstract
BACKGROUND Post-stroke epilepsy is a common and easily overlooked complication of acute cerebrovascular disease. Long-term seizures can seriously affect the prognosis and quality of life of patients. Electroencephalogram (EEG) is the simplest way to diagnose epilepsy, and plays an important role in predicting seizures and guiding medication. AIM To explore the EEG characteristics of patients with post-stroke epilepsy and improve the detection rate of inter-seizure epileptiform discharges. METHODS From January 2017 to June 2020, 10 patients with post-stroke epilepsy in our hospital were included. The clinical, imaging, and EEG characteristics were collected. The stroke location, seizure type, and ictal and interictal EEG manifestations of the patients with post-stroke epilepsy were then retrospectively analyzed. RESULTS In all 10 patients, epileptiform waves occurred in the side opposite to the stroke lesion during the interictal stage; these manifested as sharp wave, sharp-wave complex, or spike discharges in the anterior head lead of the side opposite to the lesion. CONCLUSION In EEG, epileptiform waves can occur in the side opposite to the stroke lesion in patients with post-stroke epilepsy.
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Affiliation(s)
- Li-Min Wen
- Clinical Medicine College, Jining Medical University, Jining 272067, Shandong Province, China
| | - Ran Li
- School of Basic Medical Sciences, Shandong University, Jinan 250012, Shandong Province, China
| | - Yan-Ling Wang
- Department of Neurology, The Affiliated Hospital of Jining Medical University, Jining 272007, Shandong Province, China
| | - Qing-Xia Kong
- Department of Neurology, The Affiliated Hospital of Jining Medical University, Jining 272007, Shandong Province, China
| | - Min Xia
- Department of Neurology, The Affiliated Hospital of Jining Medical University, Jining 272007, Shandong Province, China
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Zaccara G, Lattanzi S, Brigo F. Acute symptomatic seizures after stroke: A scoping review on primary prevention, treatment with antiseizure medications and drug discontinuation. Epilepsy Behav 2023; 149:109499. [PMID: 37972420 DOI: 10.1016/j.yebeh.2023.109499] [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: 08/30/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 11/19/2023]
Abstract
AIM To evaluate and synthesize the evidence and knowledge gaps on primary prevention and treatment of post-stroke acute symptomatic seizures (ASSs) using antiseizure medications (ASMs). METHODS We systematically searched of EMBASE, MEDLINE (accessed from PubMed), and the Cochrane Central Register of Controlled Trials (CENTRAL) to include randomized, double- or single-blinded trials (RCTs) on primary prophylaxis and treatment of post-stroke ASSs with ASMs. The risk of bias in the included studies was assessed according to the recommendations of the Cochrane Handbook for Systematic Reviews of Interventions. RESULTS Two placebo-controlled RCTs (totaling 114 participants) evaluating valproate or levetiracetam as primary prophylaxis of ASSs due to hemorrhagic stroke were included. In one RCT, post-stroke ASS occurred in 1/36 patients (2.7%) on valproate and in 4/36 patients (7%) on placebo (p = 0.4). In the other RCT, ASSs were only electrographic and occurred in 3/19 (16%) with levetiracetam and in 10/23 (43%) with placebo (p = 0.043). We found no RCTs on the treatment of post-stroke ASSs or discontinuation of ASMs administered for the treatment of post-stroke ASSs. CONCLUSION Evidence to support primary prophylaxis of ASSs is sparse and of very low quality and is insufficient to recommend it routinely. Secondary prevention of post-stroke ASSs is usually not recommended except in selected cases (the most relevant being acute symptomatic status epilepticus, which carries a high risk of subsequent poststroke seizures (PSE)). The choice of which ASM to administer and for how long is not based on solid RCT evidence. Management of post-stroke PSE should be done according to an evidence-based framework, considering the individuality of the patient and the pharmacological properties of the drugs.
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Affiliation(s)
| | - Simona Lattanzi
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy
| | - Francesco Brigo
- Innovation, Research and Teaching Service (SABES-ASDAA), Teaching Hospital of the Paracelsus Medical Private University (PMU), Bolzano-Bozen, Italy.
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Freiman S, Hauser WA, Rider F, Yaroslavskaya S, Sazina O, Vladimirova E, Kaimovsky I, Shpak A, Gulyaeva N, Guekht A. Post-stroke seizures, epilepsy, and mortality in a prospective hospital-based study. Front Neurol 2023; 14:1273270. [PMID: 38107633 PMCID: PMC10722584 DOI: 10.3389/fneur.2023.1273270] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 11/06/2023] [Indexed: 12/19/2023] Open
Abstract
Background and objectives Post-stroke epilepsy (PSE) is a significant concern in the elderly population, with stroke being a leading cause of epilepsy in this demographic. Several factors have shown consistent associations with the risk of developing PSE, including cortical lesions, initial stroke severity, younger age, and the occurrence of early seizures. The primary objectives of this study were two-fold: (1) to determine the incidence of PSE and (2) to identify the risk factors associated with PSE in a prospective cohort of post-stroke patients. Methods A prospective single-hospital study was conducted, involving patients diagnosed with acute ischemic and hemorrhagic stroke. The patients were followed up for 2 years (or until death) from the time of admission. Data about seizure occurrence and recurrent stroke were collected. Kaplan-Meyer curves were used for the assessment of PSE incidence and mortality. Possible predictors of PSE and mortality were selected from between-group analysis and tested in multivariable regressions. Results Our study enrolled a total of 424 patients diagnosed with acute stroke. Among them, 97 cases (23%) experienced early post-stroke seizures, and 28 patients (6.6%) developed PSE. The cumulative risks of developing PSE were found to be 15.4% after hemorrhagic stroke and 8.7% after ischemic stroke. In multivariable fine and gray regression with competitive risk of death, significant predictors for developing PSE in the ischemic cohort were watershed infarction (HR 6.01, 95% CI 2.29-15.77, p < 0.001) and low Barthel index at discharge (HR 0.98, CI 0.96-0.99, p = 0.04). Furthermore, patients who eventually developed PSE showed slower recovery and presented a worse neurologic status at the time of discharge. The in-hospital dynamics of the National Institutes of Health Stroke Scale (NIHSS) were significantly worse in the PSE group compared to the non-PSE group (p = 0.01). Discussion A higher proportion of cases experienced early seizures compared to what has been commonly reported in similar studies. Watershed stroke and low Barthel index at discharge were both identified as independent risk factors of PSE in ischemic strokes, which sheds light on the underlying mechanisms that may predispose individuals to post-stroke epilepsy after experiencing an ischemic stroke.
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Affiliation(s)
- Sofia Freiman
- Moscow Research and Clinical Center for Neuropsychiatry of the Healthcare Department of Moscow, Moscow, Russia
- Laboratory of Functional Biochemistry of the Nervous System, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia
| | - W. Allen Hauser
- Gertrude H. Sergievsky Center, College of Physicians and Surgeons, New York, NY, United States
| | - Flora Rider
- Moscow Research and Clinical Center for Neuropsychiatry of the Healthcare Department of Moscow, Moscow, Russia
| | - Sofia Yaroslavskaya
- Moscow Research and Clinical Center for Neuropsychiatry of the Healthcare Department of Moscow, Moscow, Russia
| | - Olga Sazina
- Buyanov City Hospital of the Healthcare Department of Moscow, Moscow, Russia
| | - Elena Vladimirova
- Konchalovsky City Hospital of the Healthcare Department of Moscow, Moscow, Russia
| | - Igor Kaimovsky
- Moscow Research and Clinical Center for Neuropsychiatry of the Healthcare Department of Moscow, Moscow, Russia
- Buyanov City Hospital of the Healthcare Department of Moscow, Moscow, Russia
| | - Alexander Shpak
- The Fyodorov Eye Microsurgery Federal State Institution, Moscow, Russia
| | - Natalia Gulyaeva
- Moscow Research and Clinical Center for Neuropsychiatry of the Healthcare Department of Moscow, Moscow, Russia
- Laboratory of Functional Biochemistry of the Nervous System, Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia
| | - Alla Guekht
- Moscow Research and Clinical Center for Neuropsychiatry of the Healthcare Department of Moscow, Moscow, Russia
- Buyanov City Hospital of the Healthcare Department of Moscow, Moscow, Russia
- Pirogov Russian National Research Medical University, Moscow, Russia
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Chen YS, Sung PS, Lai MC, Huang CW. The Primary Prevention of Poststroke Epilepsy in Patients With Middle Cerebral Artery Infarct: Protocol for a Randomized Controlled Trial. JMIR Res Protoc 2023; 12:e49412. [PMID: 37999939 DOI: 10.2196/49412] [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: 05/28/2023] [Revised: 09/19/2023] [Accepted: 10/29/2023] [Indexed: 11/25/2023] Open
Abstract
BACKGROUND Poststroke epilepsy poses a significant clinical challenge for individuals recovering from strokes, leading to a less favorable long-term outlook and increased mortality rates. Existing studies have primarily concentrated on administering antiseizure or anticonvulsant treatments only after the onset of late-onset seizures, without intervening during the epileptogenesis phase following a stroke. OBJECTIVE This research protocol is designed to conduct a randomized controlled trial to assess whether the early, preventive introduction of low-dose antiepileptic drug therapy (levetiracetam [LEV] or perampanel [PER]) in patients who have experienced middle cerebral artery (MCA) infarction can reduce the risk of developing poststroke epilepsy (primary prevention). METHODS Participants with MCA infarction, either with or without reperfusion treatments, will be recruited and promptly receive preventive intervention within 72 hours of the stroke occurrence. These participants will be randomly assigned to receive either PER (4 mg per day), LEV (1000 mg per day), or a placebo that matches the active drugs. This treatment will continue for 12 weeks after allocation. Brain magnetic resonance imaging will be used to confirm the presence of MCA territory infarction, and an electroencephalography will be used to ensure the absence of epileptiform discharges or electrographic seizures at the time of the stroke. All participants will undergo follow-up assessments for 72 weeks after allocation. RESULTS The primary outcome under evaluation will be the incidence of poststroke epilepsy in the 3 groups following the 18-month study period. Secondary outcomes will encompass the time to the occurrence of the first seizure, the severity of seizures, any treatment-related adverse events, and the modified Rankin scale score at 3 and 18 months. Exploratory outcomes will involve comparing the effectiveness and safety of PER and LEV. CONCLUSIONS We anticipate that the intervention groups will experience a lower incidence and reduced severity of poststroke epilepsy compared to the control group after 18 months. We aim to establish evidence supporting the potential preventive effects of LEV and PER on poststroke seizures and epilepsy in patients with MCA infarction, as well as to explore the antiepileptogenic potential of both LEV and PER in patients with major ischemic strokes. TRIAL REGISTRATION ClinicalTrials.gov NCT04858841; https://clinicaltrials.gov/study/NCT04858841. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) DERR1-10.2196/49412.
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Affiliation(s)
- Yu-Shiue Chen
- Department of Neurology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Pi-Shan Sung
- Department of Neurology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ming-Chi Lai
- Department of Pediatrics, Chi-Mei Medical Center, Tainan, Taiwan
| | - Chin-Wei Huang
- Department of Neurology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Punia V, Li Y, Lapin B, Chandan P, Newey C, Hantus S, Dhakar M, Rubinos C, Zafar S, Sivaraju A, Katzan IL. Impact of acute symptomatic seizures and their management on patient-reported outcomes after stroke. Epilepsy Behav 2023; 140:109115. [PMID: 36804847 DOI: 10.1016/j.yebeh.2023.109115] [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: 11/28/2022] [Revised: 01/21/2023] [Accepted: 01/27/2023] [Indexed: 02/19/2023]
Abstract
OBJECTIVE Acute symptomatic seizures (ASyS) after stroke are not uncommon. However, the impact of ASyS and its management with anti-seizure medications (ASMs) on patient-reported outcome measures (PROMs) remains poorly investigated. The objective of our study is to evaluate the association between PROMs and ASyS and ASMs following stroke. METHODS We performed a retrospective cohort study of all stroke patients who underwent inpatient continuous EEG (cEEG) monitoring performed due to suspected ASyS, including the ones with observed convulsive ASyS, from 04/01/2012 to 03/31/2018, who completed PROMs within 6 months of hospital discharge. Patient-reported outcome measures, including one Neuro-QoL and six PROMIS v1.0 domain scales, were completed by patients as the standard of care in ambulatory stroke clinics. Since ASMs are sometimes used without clearly diagnosed ASyS, we performed group comparisons based on ASM status at discharge, irrespective of their ASyS status. T-tests or Wilcoxon rank sum tests compared continuous variables across groups and chi-square tests or Fisher's exact tests were used for categorical variables. RESULTS A total of 508 patients were included in the study [mean age 62.0 ± 14.1 years, 51.6% female; 244 (48.0%) ischemic stroke, 165 (32.5%) intracerebral hemorrhage, and 99 (19.5%) subarachnoid hemorrhage]. A total of 190 (37.4%) patients were discharged on ASMs. At the time of the first PROM, conducted a median of 47 (IQR = 33-78) days after the suspected ASyS, and 162 (31.9%) were on ASMs. ASM use was significantly higher in patients diagnosed with ASyS. Physical Function and Satisfaction with Social Roles and Activities were the most affected health domains. Patient-reported outcome measures were not significantly different between groups based on ASyS (electrographic and/or convulsive), ASM use at hospital discharge, or ASM status on the day of PROM completion. SIGNIFICANCE There were no differences in multiple domain-specific PROMs in patients with recent stroke according to ASyS status or ASM use suggesting the possible lack of the former's sensitivity to detect their impact. Additional research is necessary to determine if there is a need for developing ASyS-specific PROMs.
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Affiliation(s)
- Vineet Punia
- Charles Shor Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States.
| | - Yadi Li
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States; Center for Outcomes Research and Evaluation, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Brittany Lapin
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States; Center for Outcomes Research and Evaluation, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Pradeep Chandan
- Charles Shor Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Christopher Newey
- Charles Shor Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States; Cerebrovascular Center, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Stephen Hantus
- Charles Shor Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Monika Dhakar
- Rhode Island Hospital, Brown University, United States
| | - Clio Rubinos
- University of North Carolina, Chapel Hill, United States
| | - Sahar Zafar
- Massachusetts General Hospital, Harvard University, United States
| | | | - Irene L Katzan
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
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Diagnosis and Treatment of Poststroke Epilepsy: Where Do We Stand? Curr Treat Options Neurol 2022. [DOI: 10.1007/s11940-022-00744-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Abstract
Purpose of Review
Stroke is the most common cause of seizures and epilepsy in older adults. This educational paper aims to give an update on current clinical aspects of diagnosis and treatment of poststroke epilepsy.
Recent Findings
Regarding epileptic seizures related to stroke, it is important to distinguish between acute symptomatic seizures and unprovoked seizures as they differ in their risk for seizure recurrence. In fact, after a single unprovoked poststroke seizure, a diagnosis of epilepsy can be made because there is a greater than 60% risk for further seizures. Clinical models that can predict the development of epilepsy after a stroke have been successfully established. However, treatment with anti-seizure medications is advised only after a first unprovoked poststroke seizure, as current treatments are not known to be effective for primary prevention. The management of poststroke epilepsy requires consideration of aspects such as age, drug-drug interactions and secondary vascular prophylaxis, yet evidence for the use of anti-seizure medications specifically in poststroke epilepsy is limited.
Summary
This text reviews the epidemiology and risk factors for poststroke epilepsy, explains the role of EEG and neuroimaging in patients with stroke and seizures and provides an overview on the clinical management of stroke-related acute symptomatic seizures and poststroke epilepsy.
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Stancu P, De Stefano P, Vargas M, Menetre E, Carrera E, Kleinschmidt A, Seeck M. Acute symptomatic seizures and hippocampal sclerosis: the major contributor for post-stroke epilepsy? J Neurol 2022; 269:5934-5939. [PMID: 35796763 PMCID: PMC9553845 DOI: 10.1007/s00415-022-11254-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 06/20/2022] [Accepted: 06/21/2022] [Indexed: 10/31/2022]
Abstract
OBJECTIVE Hippocampal sclerosis (HS) is a prominent biomarker of epilepsy. If acquired later in life, it usually occurs in the context of degenerative or acute inflammatory-infectious disease. Conversely, acute symptomatic seizures (ASS) are considered a risk factor for developing post-stroke epilepsy, but other factors remain unrecognized. Here, we hypothesize that silent hippocampal injury contributes to the development of post-stroke epilepsy. METHODS We performed a retrospective observational study of patients hospitalized between 1/2007 and 12/2018 with an acute stroke in the Stroke Center of the Geneva University Hospital. Patients were included if they had a documented normal hippocampal complex at onset and a control MRI at ≥ 2 year interval without new lesion in the meantime. RESULTS 162 patients fulfilled our inclusion criteria. ASS during the first week (p < 0.0001) and epileptiform abnormalities in electroencephalography (EEG; p = 0.02) were more frequently associated with the development of epilepsy. Hemorrhagic stroke was strongly associated to both ASS and future focal epilepsy (p = 0.00097). Three patients (1.8%) developed hippocampal sclerosis ipsilateral to the cerebrovascular event between 2 and 5 years, all with ASS and hemorrhagic stroke. INTERPRETATION ASS and epileptiform EEG abnormalities are strong predictors of post-stroke epilepsy. HS develops in a minority of patients after hemorrhagic lesions, leading to focal epilepsy. Prospective studies are required, including follow-up with EEG and if characterized by epileptiform discharges, with MRI, to determine the true frequency of HS and to better understand predictors of post-stroke epilepsy (AAS, stroke type, and HS), and their impact on stroke recovery.
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Affiliation(s)
- Patrick Stancu
- Neurology Division, University Hospital of Geneva, Geneva, Switzerland.
- EEG & Epilepsy Unit, Neurology Division, Department of Clinical Neurosciences, Faculty of Medicine, University Hospital, University of Geneva, 4, Rue Gabrielle-Perret-Gentil, CH-1211, Geneva, Switzerland.
| | - Pia De Stefano
- Neurology Division, University Hospital of Geneva, Geneva, Switzerland
| | - Maria Vargas
- Neuroradiology Division, University Hospital of Geneva, Geneva, Switzerland
| | - Eric Menetre
- Neurology Division, University Hospital of Geneva, Geneva, Switzerland
| | - Emmanuel Carrera
- Neurology Division, University Hospital of Geneva, Geneva, Switzerland
| | | | - Margitta Seeck
- Neurology Division, University Hospital of Geneva, Geneva, Switzerland
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Franco AC, Fernandes T, Peralta AR, Basílio G, Carneiro I, Pinho E Melo T, Bentes C. Frequency of epileptic seizures in patients undergoing decompressive craniectomy after ischemic stroke. Seizure 2022; 101:60-66. [PMID: 35917661 DOI: 10.1016/j.seizure.2022.07.011] [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: 05/10/2022] [Revised: 07/17/2022] [Accepted: 07/18/2022] [Indexed: 10/17/2022] Open
Abstract
BACKGROUND Decompressive surgery has proven to be lifesaving in patients with a malignant anterior circulation ischemic stroke. Recently, some studies have shown a high frequency of epileptic seizures in patients undergoing this procedure. However, the quantification of this risk and its associated factors have not been extensively investigated. OBJECTIVE To determine the frequency of epileptic seizures and epilepsy in patients with an anterior circulation ischemic stroke admitted to our Stroke Unit from January 2006 to March 2019 that have been submitted to craniectomy and to study their associated demographic, clinical, imagiological and neurophysiological features. METHODS Retrospective observational study of 56 consecutive patients with an anterior circulation ischemic stroke that have undergone craniectomy. The frequency of seizures was both clinically and neurophysiologically assessed after reviewing clinical records, discharge or death reports and all EEGs performed during the hospital admission. Bivariate analysis was used to compare patients with and without seizures. RESULTS Sixteen patients (28,6%) had epileptic seizures. Bivariate analysis showed an association between the occurrence of unprovoked seizures and the median ASPECTS from the first CT performed. CONCLUSIONS In this study, the frequency of epileptic seizures after a malignant stroke submitted to craniectomy was high, albeit lower than that reported in previous studies. The size of infarction at hospital admission appears to be a risk factor for the occurrence of epilepsy in this group of patients.
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Affiliation(s)
- Ana Catarina Franco
- EEG/Sleep Lab - Neurophysiology Monitoring Unit, Department of Neurosciences and Mental Health (Neurology), Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (HSM-CHULN), Portugal; Reference Centre for Refractory Epilepsy of HSM-CHULN, (Full Member of ERN EpiCARE), Portugal; Centro de Estudos Egas Moniz, Faculty of Medicine, Universidade de Lisboa, Portugal.
| | - Tiago Fernandes
- Centro de Estudos Egas Moniz, Faculty of Medicine, Universidade de Lisboa, Portugal
| | - Ana Rita Peralta
- EEG/Sleep Lab - Neurophysiology Monitoring Unit, Department of Neurosciences and Mental Health (Neurology), Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (HSM-CHULN), Portugal; Reference Centre for Refractory Epilepsy of HSM-CHULN, (Full Member of ERN EpiCARE), Portugal; Centro de Estudos Egas Moniz, Faculty of Medicine, Universidade de Lisboa, Portugal
| | | | | | - Teresa Pinho E Melo
- Centro de Estudos Egas Moniz, Faculty of Medicine, Universidade de Lisboa, Portugal; Department of Neurosciences and Mental Health, Stroke Unit, HSM-CHULN, Portugal
| | - Carla Bentes
- EEG/Sleep Lab - Neurophysiology Monitoring Unit, Department of Neurosciences and Mental Health (Neurology), Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte (HSM-CHULN), Portugal; Reference Centre for Refractory Epilepsy of HSM-CHULN, (Full Member of ERN EpiCARE), Portugal; Centro de Estudos Egas Moniz, Faculty of Medicine, Universidade de Lisboa, Portugal
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12
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Tako LM, Strzelczyk A, Rosenow F, Pfeilschifter W, Steinmetz H, Golbach R, Schäfer JH, Zöllner JP, Kohlhase K. Predictive Factors of Acute Symptomatic Seizures in Patients With Ischemic Stroke Due to Large Vessel Occlusion. Front Neurol 2022; 13:894173. [PMID: 35711262 PMCID: PMC9196034 DOI: 10.3389/fneur.2022.894173] [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: 03/11/2022] [Accepted: 04/27/2022] [Indexed: 11/29/2022] Open
Abstract
Introduction Acute symptomatic seizures (ASz) after ischemic stroke are associated with increased mortality; therefore, identifying predictors of ASz is important. The purpose of this study was to analyze predictors of ASz in a population of patients with ischemic stroke due to large arterial vessel occlusion (LVO). Materials and Methods This retrospective study examined patients with acute ischemic stroke caused by LVO between 2016 and 2020. Identification of predictive factors was performed using univariate and subsequent multiple logistic regression analysis. In addition, subgroup analysis regarding seizure semiology and time of seizure occurrence (≤ 24 h and > 24 h after stroke) was performed. Results The frequency of ASz among 979 patients was 3.9 % (n = 38). Univariate logistic regression analysis revealed an increased risk of ASz in patients with higher National Institutes of Health Stroke Scale (NIHSS) score at admission or 24 h after admission, hypernatremia at admission ≥ 145 mmol/L, and pneumonia. Further multiple logistic regression analysis revealed that NIHSS 24 h after admission was the strongest predictor of ASz, particularly relating to ASz occurring later than 24 h after stroke. Patients who experienced a seizure within the first 24 h after stroke were more likely to have a generalized tonic-clonic (GTCS) and focal motor seizure; beyond 24 h, seizures with impaired awareness and non-convulsive status epilepticus were more frequent. Conclusion NIHSS score 24 h after admission is a strong predictive factor for the occurrence of ASz in patients with ischemic stroke caused by LVO. The semiology of ASz varied over time, with GTCS occurring more frequently in the first 24 h after stroke.
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Affiliation(s)
- Lisa Marie Tako
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany.,LOEWE Center for Personalized and Translational Epilepsy Research, Goethe University Frankfurt, Frankfurt, Germany
| | - Adam Strzelczyk
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany.,LOEWE Center for Personalized and Translational Epilepsy Research, Goethe University Frankfurt, Frankfurt, Germany
| | - Felix Rosenow
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany.,LOEWE Center for Personalized and Translational Epilepsy Research, Goethe University Frankfurt, Frankfurt, Germany
| | | | - Helmuth Steinmetz
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - Rejane Golbach
- Institute of Biostatistics and Mathematical Modelling, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - Jan Hendrik Schäfer
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
| | - Johann Philipp Zöllner
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany.,LOEWE Center for Personalized and Translational Epilepsy Research, Goethe University Frankfurt, Frankfurt, Germany
| | - Konstantin Kohlhase
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, University Hospital Frankfurt, Goethe University Frankfurt, Frankfurt, Germany
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13
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Fukuma K, Ikeda S, Tanaka T, Kamogawa N, Ishiyama H, Abe S, Tojima M, Kobayashi K, Shimotake A, Nakaoku Y, Nishimura K, Koga M, Toyoda K, Matsumoto R, Ikeda A, Ihara M. Clinical and imaging features of nonmotor onset seizure in poststroke epilepsy. Epilepsia 2022; 63:2068-2080. [PMID: 35593437 DOI: 10.1111/epi.17308] [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: 02/11/2022] [Revised: 05/18/2022] [Accepted: 05/18/2022] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Motivated by the challenges raised by diagnosing poststroke epilepsy (PSE), especially in nonmotor onset seizure (non-MOS), we aimed to investigate features of non-MOS, including seizure sequences, patient characteristics, and electrophysiological and imaging findings in PSE. METHODS This observational cohort study enrolled patients with PSE whose seizure onset was witnessed. According to the International League Against Epilepsy 2017 seizure classification, we classified seizure onset symptoms into the non-MOS and MOS groups. We compared different clinical characteristics between the two groups. RESULTS Between 2011 and 2018, we enrolled 225 patients with PSE (median age, 75 years), consisting of 97 (43%) with non-MOS and 128 (57%) with MOS. Overall, 65 (67%) of the patients without MOS had no subsequent convulsions. Multivariable logistic regression analysis showed significant associations of non-MOS with absence of poststroke hemiparesis (adjusted odds ratio [OR], 1.88; 95% confidence interval [CI], 1.03-3.42), frontal stroke lobe lesions (OR, 2.11; 95% CI, 1.14-3.91), and putaminal stroke lesions (OR, 2.51; 95% CI, 1.22-5.18) as negative indicators. Postictal single-photon emission-computed tomography detected prolonged hyperperfusion in the temporal lobe more frequently in the non-MOS than in the MOS group (48% vs. 31%; p = 0.02). The detection rate was higher than spikes/sharp waves in scalp electroencephalogram both in the non-MOS group (72% vs. 33%; p < 0.001) and the MOS group (68% vs. 29%; p < 0.001). SIGNIFICANCE This study provides clinical features of non-MOS in patients with PSE. Compared with the patients with MOS, the ones with non-MOS showed less likely subsequent convulsive seizures, highlighting the clinical challenges. Postictal perfusion imaging and negative indicators of non-MOS type may help diagnose and stratify PSE.
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Affiliation(s)
- Kazuki Fukuma
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Shuhei Ikeda
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Tomotaka Tanaka
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Naruhiko Kamogawa
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Hiroyuki Ishiyama
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Soichiro Abe
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Maya Tojima
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Katsuya Kobayashi
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Akihiro Shimotake
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yuriko Nakaoku
- Department of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Kunihiro Nishimura
- Department of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Masatoshi Koga
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Kazunori Toyoda
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Riki Matsumoto
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Division of Neurology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Akio Ikeda
- Department of Epilepsy, Movement Disorders, and Physiology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masafumi Ihara
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
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14
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Endres M, Moro MA, Nolte CH, Dames C, Buckwalter MS, Meisel A. Immune Pathways in Etiology, Acute Phase, and Chronic Sequelae of Ischemic Stroke. Circ Res 2022; 130:1167-1186. [PMID: 35420915 DOI: 10.1161/circresaha.121.319994] [Citation(s) in RCA: 91] [Impact Index Per Article: 45.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Inflammation and immune mechanisms are crucially involved in the pathophysiology of the development, acute damage cascades, and chronic course after ischemic stroke. Atherosclerosis is an inflammatory disease, and, in addition to classical risk factors, maladaptive immune mechanisms lead to an increased risk of stroke. Accordingly, individuals with signs of inflammation or corresponding biomarkers have an increased risk of stroke. Anti-inflammatory drugs, such as IL (interleukin)-1β blockers, methotrexate, or colchicine, represent attractive treatment strategies to prevent vascular events and stroke. Lately, the COVID-19 pandemic shows a clear association between SARS-CoV2 infections and increased risk of cerebrovascular events. Furthermore, mechanisms of both innate and adaptive immune systems influence cerebral damage cascades after ischemic stroke. Neutrophils, monocytes, and microglia, as well as T and B lymphocytes each play complex interdependent roles that synergize to remove dead tissue but also can cause bystander injury to intact brain cells and generate maladaptive chronic inflammation. Chronic systemic inflammation and comorbid infections may unfavorably influence both outcome after stroke and recurrence risk for further stroke. In addition, stroke triggers specific immune depression, which in turn can promote infections. Recent research is now increasingly addressing the question of the extent to which immune mechanisms may influence long-term outcome after stroke and, in particular, cause specific complications such as poststroke dementia or even poststroke depression.
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Affiliation(s)
- Matthias Endres
- Klinik für Neurologie mit Experimenteller Neurologie (M.E., C.H.N., A.M.), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany.,Center for Stroke Research Berlin (M.E., C.H.N., C.D., A.M.), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany.,Excellence Cluster NeuroCure (M.E.), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany.,German Center for Neurodegenerative Diseases, Partner Site Berlin, Germany (M.E.).,German Centre for Cardiovascular Research, Partner Site Berlin, Germany (M.E., C.H.N.)
| | - Maria A Moro
- Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain (M.A.M.).,Departamento de Farmacología yToxicología, Unidad de Investigación Neurovascular, Universidad Complutense de Madrid, Madrid, Spain (M.A.M.).,Instituto Universitario de Investigación en Neuroquímica, UCM, Madrid, Spain (M.A.M.).,Instituto de Investigación Hospital 12 de Octubre (i+12), Madrid, Spain (M.A.M.)
| | - Christian H Nolte
- Klinik für Neurologie mit Experimenteller Neurologie (M.E., C.H.N., A.M.), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany.,Center for Stroke Research Berlin (M.E., C.H.N., C.D., A.M.), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany.,German Centre for Cardiovascular Research, Partner Site Berlin, Germany (M.E., C.H.N.)
| | - Claudia Dames
- Center for Stroke Research Berlin (M.E., C.H.N., C.D., A.M.), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany.,Institute for Medical Immunology (C.D.), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany
| | - Marion S Buckwalter
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, CA (M.S.B.).,Wu Tsai Neurosciences Institute, Stanford University, CA (M.S.B.)
| | - Andreas Meisel
- Klinik für Neurologie mit Experimenteller Neurologie (M.E., C.H.N., A.M.), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany.,Center for Stroke Research Berlin (M.E., C.H.N., C.D., A.M.), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany.,NeuroCure Clinical Research Center (A.M.), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany
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15
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Zhang L, Zheng W, Chen F, Bai X, Xue L, Liang M, Geng Z. Associated Factors and Prognostic Implications of Non-convulsive Status Epilepticus in Ischemic Stroke Patients With Impaired Consciousness. Front Neurol 2022; 12:795076. [PMID: 35069425 PMCID: PMC8777101 DOI: 10.3389/fneur.2021.795076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 12/06/2021] [Indexed: 11/13/2022] Open
Abstract
Background and Purpose: Non-convulsive status epilepticus (NCSE) is common in patients with disorders of consciousness and can cause secondary brain injury. Our study aimed to explore the determinants and prognostic significance of NCSE in stroke patients with impaired consciousness. Method: Consecutive ischemic stroke patients with impaired consciousness who were admitted to a neuro intensive care unit were enrolled for this study. Univariate and multivariable logistic regression were used to identify factors associated with NCSE and their correlation with prognosis. Results: Among the 80 patients studied, 20 (25%) died during hospitalization, and 51 (63.75%) had unfavorable outcomes at the 3-month follow-up. A total of 31 patients (38.75%) developed NCSE during 24-h electroencephalogram (EEG) monitoring. Logistic regression revealed that NCSE was significantly associated with an increased risk of death during hospital stay and adverse outcomes at the 3-month follow-up. Patients with stroke involving the cerebral cortex or those who had a severely depressed level of consciousness were more prone to epileptogenesis after stroke. Conclusion: Our results suggest that NCSE is a common complication of ischemic stroke, and is associated with both in-hospital mortality and dependency at the 3-month follow-up. Long-term video EEG monitoring of stroke patients is, therefore required, especially for those with severe consciousness disorders (stupor or coma) or cortical injury.
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Affiliation(s)
- Liren Zhang
- Department of Neurology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Wensi Zheng
- Shanghai Key Laboratory of Psychotic Disorders, Department of Psychiatry, Shanghai Mental Health Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Feng Chen
- Department of Neurology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xiaolin Bai
- Department of Neurology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Lixia Xue
- Department of Neurology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Mengke Liang
- Department of Neurology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital South Campus, Shanghai, China
| | - Zhi Geng
- Department of Neurology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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16
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AlGaeed M, Grewal M, Hareesh P, Sadeghikhah S, Chen H, Gholipour T, Guerrero CRL. Diagnostic Yield of Electroencephalography When Seizure Is Suspected in Acute Ischemic Stroke. Neurohospitalist 2022; 12:8-12. [PMID: 34950380 PMCID: PMC8689524 DOI: 10.1177/19418744211021224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
INTRODUCTION Seizures are a common complication after an ischemic stroke. Electroencephalography can assist with the diagnosis of seizures however, the diagnostic yield of its use when seizure is suspected in the setting of acute ischemic stroke is unknown. We aim to evaluate the yield and cost of EEG in the acute ischemic stroke setting. METHODS We conducted a retrospective chart review of patients admitted to a single academic tertiary care center in the United States between September 1, 2015 to November 30, 2019 with a primary diagnosis of acute ischemic stroke and who were monitored on electroencephalography (EEG) for suspected seizures (total number of 70 patients). The primary outcome was how often EEG monitoring changed clinical management defined as starting, stopping, or changing the dose of an anti-epileptic drug. Secondary analysis was estimating the cost of EEG monitoring per change in management. RESULTS We identified 126 patients admitted with acute ischemic stroke who underwent EEG of which 70 met all inclusion and exclusion criteria. EEG monitoring resulted in a change in management in 22 patients (31%). Predictors associated with EEG monitoring resulting in a change in management were admission to the ICU, pre-existing atrial fibrillation, and symptomatic hemorrhagic transformation. Estimated cost of EEG per change in management was $1374.96 USD. CONCLUSION EEG monitoring resulted in a changed management in nearly one-third of patients admitted with acute ischemic stroke suspected of having seizures.
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Affiliation(s)
- Mohanad AlGaeed
- Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Manjot Grewal
- Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Prarthana Hareesh
- Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Soha Sadeghikhah
- Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Hai Chen
- Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Taha Gholipour
- Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Christopher R. Leon Guerrero
- Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC, USA
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17
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Tröscher AR, Gruber J, Wagner JN, Böhm V, Wahl AS, von Oertzen TJ. Inflammation Mediated Epileptogenesis as Possible Mechanism Underlying Ischemic Post-stroke Epilepsy. Front Aging Neurosci 2021; 13:781174. [PMID: 34966269 PMCID: PMC8711648 DOI: 10.3389/fnagi.2021.781174] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/23/2021] [Indexed: 01/19/2023] Open
Abstract
Post-stroke Epilepsy (PSE) is one of the most common forms of acquired epilepsy, especially in the elderly population. As people get increasingly older, the number of stroke patients is expected to rise and concomitantly the number of people with PSE. Although many patients are affected by post-ischemic epileptogenesis, not much is known about the underlying pathomechanisms resulting in the development of chronic seizures. A common hypothesis is that persistent neuroinflammation and glial scar formation cause aberrant neuronal firing. Here, we summarize the clinical features of PSE and describe in detail the inflammatory changes after an ischemic stroke as well as the chronic changes reported in epilepsy. Moreover, we discuss alterations and disturbances in blood-brain-barrier leakage, astrogliosis, and extracellular matrix changes in both, stroke and epilepsy. In the end, we provide an overview of commonalities of inflammatory reactions and cellular processes in the post-ischemic environment and epileptic brain and discuss how these research questions should be addressed in the future.
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Affiliation(s)
| | - Joachim Gruber
- Neurology I, Neuromed Campus, Kepler Universitätsklinikum, Linz, Austria.,Medical Faculty, Johannes Kepler University, Linz, Austria
| | - Judith N Wagner
- Neurology I, Neuromed Campus, Kepler Universitätsklinikum, Linz, Austria.,Medical Faculty, Johannes Kepler University, Linz, Austria
| | - Vincent Böhm
- Neurology I, Neuromed Campus, Kepler Universitätsklinikum, Linz, Austria.,Medical Faculty, Johannes Kepler University, Linz, Austria
| | - Anna-Sophia Wahl
- Brain Research Institute, University of Zurich, Zurich, Switzerland.,Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Tim J von Oertzen
- Neurology I, Neuromed Campus, Kepler Universitätsklinikum, Linz, Austria.,Medical Faculty, Johannes Kepler University, Linz, Austria
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18
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Tanaka T, Fukuma K, Abe S, Matsubara S, Motoyama R, Mizobuchi M, Yoshimura H, Matsuki T, Manabe Y, Suzuki J, Ikeda S, Kamogawa N, Ishiyama H, Kobayashi K, Shimotake A, Nishimura K, Onozuka D, Koga M, Toyoda K, Murayama S, Matsumoto R, Takahashi R, Ikeda A, Ihara M. Antiseizure medications for post-stroke epilepsy: A real-world prospective cohort study. Brain Behav 2021; 11:e2330. [PMID: 34423590 PMCID: PMC8442594 DOI: 10.1002/brb3.2330] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/31/2021] [Accepted: 08/02/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND AND PURPOSE The management of post-stroke epilepsy (PSE) should ideally include prevention of both seizure and adverse effects; however, an optimal antiseizure medications (ASM) regimen has yet been established. The purpose of this study is to assess seizure recurrence, retention, and tolerability of older-generation and newer-generation ASM for PSE. METHODS This prospective multicenter cohort study (PROgnosis of Post-Stroke Epilepsy [PROPOSE] study) was conducted from November 2014 to September 2019 at eight hospitals. A total of 372 patients admitted and treated with ASM at discharge were recruited. Due to the non-interventional nature of the study, ASM regimen was not adjusted and followed standard hospital practices. The primary outcome was seizure recurrence in patients receiving older-generation and newer-generation ASM. The secondary outcomes were the retention and tolerability of ASM regimens. RESULTS Of the 372 PSE patients with ASM at discharge (median [IQR] age, 73 [64-81] years; 139 women [37.4%]), 36 were treated with older-generation, 286 with newer-generation, and 50 with mixed-generation ASM. In older- and newer-generation ASM groups (n = 322), 98 patients (30.4%) had recurrent seizures and 91 patients (28.3%) switched ASM regimen during the follow-up (371 [347-420] days). Seizure recurrence was lower in newer-generation, compared with the older-generation, ASM (hazard ratio [HR], 0.42, 95%CI 0.27-0.70; p = .0013). ASM regimen withdrawal and change of dosages were lower in newer-generation ASM (HR, 0.34, 95% CI 0.21-0.56, p < .0001). CONCLUSIONS Newer-generation ASM possess advantages over older-generation ASM for secondary prophylaxis of post-stroke seizures in clinical practice.
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Affiliation(s)
- Tomotaka Tanaka
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Kazuki Fukuma
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Soichiro Abe
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Soichiro Matsubara
- Department of Neurology, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Rie Motoyama
- Department of Neurology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Masahiro Mizobuchi
- Department of Neurology, Nakamura Memorial Hospital, Sapporo, Japan.,Clinic of Minami-ichijyo Neurology, Sappro, Japan
| | - Hajime Yoshimura
- Department of Neurology, Kobe City Medical Center General Hospital, Kobe, Japan
| | | | - Yasuhiro Manabe
- Department of Neurology, National Hospital Organization Okayama Medical Center, Okayama, Japan
| | - Junichiro Suzuki
- Department of Neurology, Toyota Memorial Hospital, Toyota, Japan
| | - Shuhei Ikeda
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Naruhiko Kamogawa
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Hiroyuki Ishiyama
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Katsuya Kobayashi
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Akihiro Shimotake
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kunihiro Nishimura
- Departments of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Daisuke Onozuka
- Departments of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Masatoshi Koga
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Kazunori Toyoda
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Shigeo Murayama
- Department of Neurology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan
| | - Riki Matsumoto
- Division of Neurology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ryosuke Takahashi
- Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Akio Ikeda
- Department of Epilepsy, Movement Disorders and Physiology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masafumi Ihara
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
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19
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Punia V, Honomichl R, Chandan P, Ellison L, Thompson N, Sivaraju A, Katzan I, George P, Newey C, Hantus S. Long-term continuation of anti-seizure medications after acute stroke. Ann Clin Transl Neurol 2021; 8:1857-1866. [PMID: 34355539 PMCID: PMC8419404 DOI: 10.1002/acn3.51440] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 07/01/2021] [Accepted: 07/26/2021] [Indexed: 11/24/2022] Open
Abstract
Objective To investigate the factors associated with the long‐term continuation of anti‐seizure medications (ASMs) in acute stroke patients. Methods We performed a retrospective cohort study of stroke patients with concern for acute symptomatic seizures (ASySs) during hospitalization who subsequently visited the poststroke clinic. All patients had continuous EEG (cEEG) monitoring. We generated a multivariable logistic regression model to analyze the factors associated with the primary outcome of continued ASM use after the first poststroke clinic visit. Results A total of 507 patients (43.4% ischemic stroke, 35.7% intracerebral hemorrhage, and 20.9% aneurysmal subarachnoid hemorrhage) were included. Among them, 99 (19.5%) suffered from ASySs, 110 (21.7%) had epileptiform abnormalities (EAs) on cEEG, and 339 (66.9%) had neither. Of the 294 (58%) patients started on ASMs, 171 (33.7%) were discharged on them, and 156 (30.3% of the study population; 53.1% of patients started on ASMs) continued ASMs beyond the first poststroke clinic visit [49.7 (±31.7) days after cEEG]. After adjusting for demographical, stroke‐ and hospitalization‐related variables, the only independent factors associated with the primary outcome were admission to the NICU [Odds ratio (OR) 0.37 (95% CI 0.15–0.9)], the presence of ASySs [OR 20.31(95% CI 9.45–48.43)], and EAs on cEEG [OR 2.26 (95% CI 1.14–4.58)]. Interpretation Almost a third of patients with poststroke ASySs concerns may continue ASMs for the long term, including more than half started on them acutely. Admission to the NICU may lower the odds, and ASySs (convulsive or electrographic) and EAs on cEEG significantly increase the odds of long‐term ASM use.
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Affiliation(s)
- Vineet Punia
- Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Ryan Honomichl
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA.,Center for Outcomes Research and Evaluation, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Pradeep Chandan
- Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Lisa Ellison
- Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Nicolas Thompson
- Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA.,Center for Outcomes Research and Evaluation, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Adithya Sivaraju
- Comprehensive Epilepsy Center, Department of Neurology, Yale University, New Haven, Connecticut, USA
| | - Irene Katzan
- Center for Outcomes Research and Evaluation, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA.,Cerebrovascular Center, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Pravin George
- Cerebrovascular Center, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Chris Newey
- Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA.,Cerebrovascular Center, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Stephen Hantus
- Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
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20
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Fu Y, Feng L, Xiao B. Current advances on mechanisms and treatment of post-stroke seizures. ACTA EPILEPTOLOGICA 2021. [DOI: 10.1186/s42494-021-00047-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
AbstractCerebrovascular diseases are among the most common causes of seizures in adults, especially in the elderly. With the increased incidence of stroke, the population with post-stroke seizures has grown, leading to the increased awareness of this disorder in the society. The most common seizure type after stroke is the focal seizure with or without evolution into bilateral convulsive seizures. Post-stroke seizures impair the quality of life, as well as the physical and mental health of those patients. Currently, the pathological and physical processes of post-stroke seizures are not quite clear yet. In this review, we summarize current advances in the pathogenesis, risk factors, and therapeutic targets of post-stroke seizures.
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21
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Rohracher A, Trinka E. [Epilepsy in the aged : Challenges in diagnostics and treatment]. Z Gerontol Geriatr 2021; 54:395-408. [PMID: 33891210 PMCID: PMC8222019 DOI: 10.1007/s00391-021-01882-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/25/2021] [Indexed: 12/01/2022]
Abstract
Epilepsy is the third most frequent neurological disorder in aged patients after stroke and dementia. The incidence of epilepsy increases with age with the highest rates in patients ≥ 65 years old. Due to demographic changes the number of aged patients with epilepsy is expected to increase further in the coming years. The leading cause of new onset epilepsy in aged patients is cerebrovascular disease followed by dementia. The recognition of seizures in aged patients is often delayed. Status epilepticus occurs more frequently in aged patients and is associated with a high mortality and morbidity. Antiepileptic drug (AED) treatment of aged patients is complicated by comorbidities and polypharmacy and AEDs with a low interaction profile and high tolerability should be selected. Levetiracetam and lamotrigine are the AEDs of choice due to low interactions and good tolerability.
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Affiliation(s)
- Alexandra Rohracher
- Paracelsus Medizinische Privatuniversität Salzburg, Universitätsklinik für Neurologie, Ignaz-Harrer-Str. 79, 5020, Salzburg, Österreich
| | - Eugen Trinka
- Paracelsus Medizinische Privatuniversität Salzburg, Universitätsklinik für Neurologie, Ignaz-Harrer-Str. 79, 5020, Salzburg, Österreich.
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22
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Mader EC, Losada V, Baity JC, McKinnies EM, Branch LA. Stroke-Onset Seizures During Midbrain Infarction in a Patient With Top of the Basilar Syndrome. J Investig Med High Impact Case Rep 2021; 8:2324709620940497. [PMID: 32646241 PMCID: PMC7357055 DOI: 10.1177/2324709620940497] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Risk factors for early-onset seizures in acute ischemic stroke include anterior circulation stroke, infarction of the cerebral cortex, large infarct size, and ischemic-to-hemorrhagic transformation. We define stroke-onset seizures as seizures occurring within 2 hours of stroke onset. A 64-year-old woman presented with top of the basilar artery syndrome-thalamic infarction occurred first and midbrain infarction 12 days later. She manifested stroke-onset seizures during midbrain infarction, which was heralded by stupor. Within 2 hours of the onset of stupor, she had a clonic seizure of the lower extremities, electroencephalography (EEG) revealed nonconvulsive status epilepticus, and an episode of convulsive movements of all extremities was recorded on video and on EEG. Continuous EEG recording showed epileptiform discharges that would appear, disappear, and reappear over a 3-week period. It took 3 weeks and 4 antiepileptic drugs to fully suppress cortical hyperexcitability, perhaps because injury to some midbrain structures resulted in global lowering of the seizure threshold. The most important risk factor for stroke-onset seizures appears to be posterior circulation stroke, particularly brainstem infarction. The difference in risk profile between stroke-onset seizures and other forms of early-onset seizures suggest that their pathophysiology is not exactly the same. Focusing some of the research spotlight on stroke-onset seizures can help us better understand their unique clinical, electrographic, radiologic, and pathophysiologic features.
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Affiliation(s)
- Edward C Mader
- Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Vaniolky Losada
- Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Jessica C Baity
- Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Ebony M McKinnies
- Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Lionel A Branch
- Louisiana State University Health Sciences Center, New Orleans, LA, USA
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23
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Galovic M, Ferreira-Atuesta C, Abraira L, Döhler N, Sinka L, Brigo F, Bentes C, Zelano J, Koepp MJ. Seizures and Epilepsy After Stroke: Epidemiology, Biomarkers and Management. Drugs Aging 2021; 38:285-299. [PMID: 33619704 PMCID: PMC8007525 DOI: 10.1007/s40266-021-00837-7] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/23/2021] [Indexed: 12/14/2022]
Abstract
Stroke is the leading cause of seizures and epilepsy in older adults. Patients who have larger and more severe strokes involving the cortex, are younger, and have acute symptomatic seizures and intracerebral haemorrhage are at highest risk of developing post-stroke epilepsy. Prognostic models, including the SeLECT and CAVE scores, help gauge the risk of epileptogenesis. Early electroencephalogram and blood-based biomarkers can provide information additional to the clinical risk factors of post-stroke epilepsy. The management of acute versus remote symptomatic seizures after stroke is markedly different. The choice of an ideal antiseizure medication should not only rely on efficacy but also consider adverse effects, altered pharmacodynamics in older adults, and the influence on the underlying vascular co-morbidity. Drug-drug interactions, particularly those between antiseizure medications and anticoagulants or antiplatelets, also influence treatment decisions. In this review, we describe the epidemiology, risk factors, biomarkers, and management of seizures after an ischaemic or haemorrhagic stroke. We discuss the special considerations required for the treatment of post-stroke epilepsy due to the age, co-morbidities, co-medication, and vulnerability of stroke survivors.
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Affiliation(s)
- Marian Galovic
- Department of Neurology, Clinical Neuroscience Center, University Hospital and University of Zurich, Frauenklinikstrasse 26, 8091, Zurich, Switzerland.
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, London, UK.
- Chalfont Centre for Epilepsy, Chalfont St Peter, UK.
| | - Carolina Ferreira-Atuesta
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, London, UK
- Chalfont Centre for Epilepsy, Chalfont St Peter, UK
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Laura Abraira
- Epilepsy Unit, Department of Neurology, Vall d'Hebron Hospital Universitari, Barcelona, Spain
- Universitat Autonoma de Barcelona, Bellaterra, Spain
| | - Nico Döhler
- Specialist Clinic for Neurorehabilitation, Kliniken Beelitz, Beelitz-Heilstätten, Germany
| | - Lucia Sinka
- Department of Neurology, Clinical Neuroscience Center, University Hospital and University of Zurich, Frauenklinikstrasse 26, 8091, Zurich, Switzerland
| | - Francesco Brigo
- Division of Neurology, "Franz Tappeiner" Hospital, Merano, Italy
| | - Carla Bentes
- Department of Neurosciences and Mental Health (Neurology), Hospital de Santa Maria-CHLN, Lisboa, Portugal
| | - Johan Zelano
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- Department of Neurology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Matthias J Koepp
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, London, UK
- Chalfont Centre for Epilepsy, Chalfont St Peter, UK
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24
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Quirins M, Petrescu AM, Masnou P, Bouilleret V, Denier C. Systematic prolonged video-electroencephalograms identify electrographic seizures in 5% of acute stroke patients with aphasia. Rev Neurol (Paris) 2021; 177:1001-1005. [PMID: 33483091 DOI: 10.1016/j.neurol.2020.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 09/03/2020] [Accepted: 10/16/2020] [Indexed: 11/26/2022]
Abstract
In stroke units, diagnosing seizures may be difficult, especially in aphasic patients. We discuss herein our systematic 4-hour video EEG monitoring of 61 patients with aphasia within the first 72hours after the onset of ischaemic stroke. Five electrographic seizures were identified in 3 patients, with no clinical signs apparent on the video and no symptoms reported by patients. We did not record status epilepticus nor generalized seizure. Comparative analyses disclosed a higher risk of early seizures in patients with haemorrhagic transformation. Video EEG monitoring detected electrographic seizures in 5% of stroke patients with aphasia. This monitoring could be useful for selected patients, especially those with haemorrhagic transformation.
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Affiliation(s)
- M Quirins
- Departments of Neurology (MQ, PM, CD) and Neurophysiology (AP, VB), Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), 94275 Le Kremlin-Bicêtre, France.
| | - A M Petrescu
- Departments of Neurology (MQ, PM, CD) and Neurophysiology (AP, VB), Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), 94275 Le Kremlin-Bicêtre, France
| | - P Masnou
- Departments of Neurology (MQ, PM, CD) and Neurophysiology (AP, VB), Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), 94275 Le Kremlin-Bicêtre, France
| | - V Bouilleret
- Departments of Neurology (MQ, PM, CD) and Neurophysiology (AP, VB), Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), 94275 Le Kremlin-Bicêtre, France
| | - C Denier
- Departments of Neurology (MQ, PM, CD) and Neurophysiology (AP, VB), Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), 94275 Le Kremlin-Bicêtre, France
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25
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Vogel DDS, Ortiz-Villatoro NN, de Freitas L, Aimbire F, Scorza FA, Albertini R, Scorza CA. Repetitive transcranial photobiomodulation but not long-term omega-3 intake reduces epileptiform discharges in rats with stroke-induced epilepsy. JOURNAL OF BIOPHOTONICS 2021; 14:e202000287. [PMID: 32888387 DOI: 10.1002/jbio.202000287] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/28/2020] [Accepted: 08/31/2020] [Indexed: 06/11/2023]
Abstract
Epilepsy is a yet under-recognized consequence after a stroke and nearly 30% of cases are pharmacoresistant. There is an unmet need for therapeutic interventions during epileptogenesis for better long-term disease outcomes. Transcranial photobiomodulation (PBM) and omega-3 (Ω-3) dietary supplementation are two approaches that have been shown promising neuroprotective effects after brain injuries. Here, we studied the PBM treatment or Ω-3 diet during epileptogenesis in long-term recurrent spontaneous abnormal electrical discharges after stroke. Wistar rats received repetitive 780 nm-laser in the scalp or oral diet with Ω-3 for 2-months after photothrombotic stroke. EEG recordings were performed 60 days after treatment end. PBM but not Ω-3 reduced both electrographic seizure duration and spikes number in the ipsilateral and contralateral cortices and ventral posteromedial thalamic nucleus. Conclusively, PBM reduced epileptiform discharges in stroke-induced epilepsy. Our results suggest the PBM as a therapeutic approach for stroke-induced epileptogenesis to minimize long-term disease outcomes.
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Affiliation(s)
- Debora D S Vogel
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Nancy N Ortiz-Villatoro
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Leandro de Freitas
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Flavio Aimbire
- Programa de Pós-graduação em Medicina Translacional, Departamento de Ciência e Tecnologia, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Fúlvio A Scorza
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Regiane Albertini
- Programa de Pós-graduação em Ciência do Movimento Humano e Reabilitação, Departamento de Ciência e Tecnologia, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Carla A Scorza
- Disciplina de Neurociência, Departamento de Neurologia e Neurocirurgia, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
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26
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Zöllner JP, Misselwitz B, Mauroschat T, Roth C, Steinmetz H, Rosenow F, Strzelczyk A. Intravenous thrombolysis or mechanical thrombectomy do not increase risk of acute symptomatic seizures in patients with ischemic stroke. Sci Rep 2020; 10:21083. [PMID: 33273538 PMCID: PMC7713428 DOI: 10.1038/s41598-020-78012-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 11/19/2020] [Indexed: 11/30/2022] Open
Abstract
Recent data have suggested that performing recanalizing therapies in ischemic stroke might lead to an increased risk of acute symptomatic seizures. This applies to both intravenous thrombolysis and mechanical thrombectomy. We therefore determined the frequency of acute symptomatic seizures attributable to these two recanalization therapies using a large, population-based stroke registry in Central Europe. We performed two matched 1:1 case–control analyses. In both analyses, patients were matched for age, stroke severity on admission and pre-stroke functional status. The first analysis compared patients treated with intravenous thrombolysis to a non-recanalization control group. To isolate the effect of mechanical thrombectomy, we compared patients with both mechanical thrombectomy and intravenous thrombolysis to those with only intravenous thrombolysis treatment in a second analysis. From 135,117 patients in the database, 13,356 patients treated with only intravenous thrombolysis, and 1013 patients treated with both intravenous thrombolysis and mechanical thrombectomy were each matched to an equivalent number of controls. Patients with intravenous thrombolysis did not suffer from clinically apparent acute symptomatic seizures significantly more often than non-recanalized patients (treatment = 199; 1.5% vs. control = 237; 1.8%, p = 0.07). Mechanical thrombectomy in addition to intravenous thrombolysis also was not associated with an increased risk of acute symptomatic seizures, as the same number of patients suffered from seizures in the treatment and control group (both n = 17; 1.7%, p = 1). In a large population-based stroke registry, the frequency of clinically apparent acute symptomatic seizures was not increased in patients who received either intravenous thrombolysis alone or in conjunction with mechanical thrombectomy.
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Affiliation(s)
- Johann Philipp Zöllner
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, Center of Neurology and Neurosurgery, Goethe University Frankfurt, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany. .,LOEWE Center for Personalized Translational Epilepsy Research (CePTER), Goethe University Frankfurt, Frankfurt am Main, Germany.
| | - Björn Misselwitz
- Quality Assurance Office Hessen (GQH, Geschäftsstelle Qualitätssicherung Hessen), Eschborn, Germany
| | - Thomas Mauroschat
- Department of Neurology and Epilepsy Center Hessen, Philipps-University Marburg, Marburg (Lahn), Germany
| | - Christian Roth
- Department of Neurology and Epilepsy Center Hessen, Philipps-University Marburg, Marburg (Lahn), Germany.,Department of Neurology, DRK-Kliniken Nordhessen, Kassel, Germany
| | - Helmuth Steinmetz
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, Center of Neurology and Neurosurgery, Goethe University Frankfurt, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany
| | - Felix Rosenow
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, Center of Neurology and Neurosurgery, Goethe University Frankfurt, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany.,LOEWE Center for Personalized Translational Epilepsy Research (CePTER), Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Adam Strzelczyk
- Department of Neurology, Epilepsy Center Frankfurt Rhine-Main, Center of Neurology and Neurosurgery, Goethe University Frankfurt, Schleusenweg 2-16, 60528, Frankfurt am Main, Germany.,LOEWE Center for Personalized Translational Epilepsy Research (CePTER), Goethe University Frankfurt, Frankfurt am Main, Germany.,Department of Neurology and Epilepsy Center Hessen, Philipps-University Marburg, Marburg (Lahn), Germany
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27
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Abstract
AbstractContinuous electroencephalogram (cEEG) has become an indispensable technique in the management of critically ill patients for early detection and treatment of non-convulsive seizures (NCS) and non-convulsive status epilepticus (NCSE). It has also brought about a renaissance in a wide range of rhythmic and periodic patterns with heterogeneous frequency and morphology. These patterns share the rhythmic and sharp appearances of electrographic seizures, but often lack the necessary frequency, spatiotemporal evolution and clinical accompaniments to meet the definitive criteria for ictal patterns. They may be associated with cerebral metabolic crisis and neuronal injury, therefore not clearly interictal either, but lie along an intervening spectrum referred to as ictal-interictal continuum (IIC). Generally speaking, rhythmic and periodic patterns are categorized as interictal patterns when occurring at a rate of <1Hz, and are categorized as NCS and NCSE when occurring at a rate of >2.5 Hz with spatiotemporal evolution. As such, IIC commonly includes the rhythmic and periodic patterns occurring at a rate of 1–2.5 Hz without spatiotemporal evolution and clinical correlates. Currently there are no evidence-based guidelines on when and if to treat patients with IIC patterns, and particularly how aggressively to treat, presenting a challenging electrophysiological and clinical conundrum. In practice, a diagnostic trial with preferably a non-sedative anti-seizure medication (ASM) can be considered with the end point being both clinical and electrographic improvement. When available and necessary, correlation of IIC with biomarkers of neuronal injury, such as neuronal specific enolase (NSE), neuroimaging, depth electrode recording, cerebral microdialysis and oxygen measurement, can be assessed for the consideration of ASM treatment. Here we review the recent advancements in their clinical significance, risk stratification and treatment algorithm.
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28
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Ertl M, Meisinger C, Linseisen J, Baumeister SE, Zickler P, Naumann M. Long-Term Outcomes in Patients with Stroke after in-Hospital Treatment-Study Protocol of the Prospective Stroke Cohort Augsburg (SCHANA Study). ACTA ACUST UNITED AC 2020; 56:medicina56060280. [PMID: 32517235 PMCID: PMC7353873 DOI: 10.3390/medicina56060280] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 05/29/2020] [Accepted: 06/03/2020] [Indexed: 01/19/2023]
Abstract
INTRODUCTION In Germany, stroke is the third leading cause of death, with more than 60,000 fatalities out of approximately 260,000 cases (first-ever and recurrent strokes) each year. So far, there are only a few long-term studies investigating determinants of the natural course of the disease, especially in the era of mechanical thrombectomy. MATERIALS AND METHODS The prospective single-center stroke cohort Augsburg (SCHANA) study will include about 1000 patients treated for stroke in the University Hospital of Augsburg. Patients aged 18 years or older with a confirmed diagnosis of ischemic or hemorrhagic stroke are included in the study. Information on demographic characteristics, onset of symptoms, etiologic factors, comorbidities, quality of life, invasive and non-invasive treatment, complications, and laboratory parameters are collected during a personal interview conducted during the patients' hospital stay and via a medical chart review. About 30 mL of blood is collected from each patient, and after processing and aliquoting, all blood specimens are frozen at -80° C. The study participants will be followed-up via postal questionnaires at three and 12 months after discharge from the hospital. Furthermore, mortality follow-ups will be conducted. Cox-regression analysis will be used to estimate relative risks. CONCLUSION The SCHANA study will generate comprehensive data on the long-term course of the disease. In addition to the main outcomes, recurrent events and survival, patient-oriented outcomes such as health-related quality of life and depression are the focus of the study.
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Affiliation(s)
- Michael Ertl
- Department of Neurology and Clinical Neurophysiology, University Hospital Augsburg, Stenglinstr. 2, 86156 Augsburg, Germany; (P.Z.); (M.N.)
- Correspondence: ; Tel.: +49-821-400-2991
| | - Christa Meisinger
- Independent Research Group Clinical Epidemiology, Helmholtz Zentrum München, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (C.M.); (J.L.); (S.-E.B.)
- Chair of Epidemiology, Ludwig-Maximilians-Universität München, UNIKA-T Augsburg, Neusässer Str. 47, 86156 Augsburg, Germany
| | - Jakob Linseisen
- Independent Research Group Clinical Epidemiology, Helmholtz Zentrum München, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (C.M.); (J.L.); (S.-E.B.)
- Chair of Epidemiology, Ludwig-Maximilians-Universität München, UNIKA-T Augsburg, Neusässer Str. 47, 86156 Augsburg, Germany
| | - Sebastian-Edgar Baumeister
- Independent Research Group Clinical Epidemiology, Helmholtz Zentrum München, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany; (C.M.); (J.L.); (S.-E.B.)
| | - Philipp Zickler
- Department of Neurology and Clinical Neurophysiology, University Hospital Augsburg, Stenglinstr. 2, 86156 Augsburg, Germany; (P.Z.); (M.N.)
| | - Markus Naumann
- Department of Neurology and Clinical Neurophysiology, University Hospital Augsburg, Stenglinstr. 2, 86156 Augsburg, Germany; (P.Z.); (M.N.)
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29
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Kramer A, Kromm J. What is the Role of Continuous Electroencephalography in Acute Ischemic Stroke and the Relevance of the "Ictal-Interictal Continuum"? Neurocrit Care 2020; 32:687-690. [PMID: 32246436 DOI: 10.1007/s12028-020-00945-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Andreas Kramer
- Departments of Critical Care Medicine and Clinical Neurosciences, University of Calgary Cumming School of Medicine, Calgary, AB, Canada.
- Hotchkiss Brain Institute, University of Calgary, Calgary, Canada.
| | - Julie Kromm
- Departments of Critical Care Medicine and Clinical Neurosciences, University of Calgary Cumming School of Medicine, Calgary, AB, Canada
- Hotchkiss Brain Institute, University of Calgary, Calgary, Canada
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30
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Zafar SF, Subramaniam T, Osman G, Herlopian A, Struck AF. Electrographic seizures and ictal-interictal continuum (IIC) patterns in critically ill patients. Epilepsy Behav 2020; 106:107037. [PMID: 32222672 DOI: 10.1016/j.yebeh.2020.107037] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/07/2020] [Accepted: 03/07/2020] [Indexed: 02/06/2023]
Abstract
Critical care long-term continuous electroencephalogram (cEEG) monitoring has expanded dramatically in the last several decades spurned by technological advances in EEG digitalization and several key clinical findings: 1-Seizures are relatively common in the critically ill-large recent observational studies suggest that around 20% of critically ill patients placed on cEEG have seizures. 2-The majority (~75%) of patients who have seizures have exclusively "electrographic seizures", that is, they have no overt ictal clinical signs. Along with the discovery of the unexpectedly high incidence of seizures was the high prevalence of EEG patterns that share some common features with archetypical electrographic seizures but are not uniformly considered to be "ictal". These EEG patterns include lateralized periodic discharges (LPDs) and generalized periodic discharges (GPDs)-patterns that at times exhibit ictal-like behavior and at other times behave more like an interictal finding. Dr. Hirsch and colleagues proposed a conceptual framework to describe this spectrum of patterns called the ictal-interictal continuum (IIC). In the following years, investigators began to answer some of the key pragmatic clinical concerns such as which patients are at risk of seizures and what is the optimal duration of cEEG use. At the same time, investigators have begun probing the core questions for critical care EEG-what is the underlying pathophysiology of these patterns, at what point do these patterns cause secondary brain injury, what are the optimal treatment strategies, and how do these patterns affect clinical outcomes such as neurological disability and the development of epilepsy. In this review, we cover recent advancements in both practical concerns regarding cEEG use, current treatment strategies, and review the evidence associating IIC/seizures with poor clinical outcomes.
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Affiliation(s)
- Sahar F Zafar
- Department of Neurology, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States of America
| | - Thanujaa Subramaniam
- Department of Neurology, University of Wisconsin-Madison, Madison, WI, United States of America
| | - Gamaleldin Osman
- Department of Neurology, Henry Ford Hospital, Detroit, MI, United States of America
| | - Aline Herlopian
- Department of Neurology, Yale University, New Haven, CT, United States of America
| | - Aaron F Struck
- Department of Neurology, University of Wisconsin-Madison, Madison, WI, United States of America.
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National Institutes of Health Stroke Scale (NIHSS) on admission predicts acute symptomatic seizure risk in ischemic stroke: a population-based study involving 135,117 cases. Sci Rep 2020; 10:3779. [PMID: 32123219 PMCID: PMC7051974 DOI: 10.1038/s41598-020-60628-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Accepted: 02/13/2020] [Indexed: 11/08/2022] Open
Abstract
The National Institutes of Health Stroke Scale (NIHSS) score is the most frequently used score worldwide for assessing the clinical severity of a stroke. Prior research suggested an association between acute symptomatic seizures after stroke and poorer outcome. We determined the frequency of acute seizures after ischemic stroke in a large population-based registry in a central European region between 2004 and 2016 and identified risk factors for acute seizures in univariate and multivariate analyses. Additionally, we determined the influence of seizures on morbidity and mortality in a matched case-control design. Our analysis of 135,117 cases demonstrated a seizure frequency of 1.3%. Seizure risk was 0.6% with an NIHSS score at admission <3 points and increased up to 7.0% with >31 score points. Seizure risk was significantly higher in the presence of acute non-neurological infections (odds ratio: 3.4; 95% confidence interval: 2.8-4.1). A lower premorbid functional level also significantly increased seizure risk (OR: 1.7; 95%CI: 1.4-2.0). Mortality in patients with acute symptomatic seizures was almost doubled when compared to controls matched for age, gender, and stroke severity. Acute symptomatic seizures increase morbidity and mortality in ischemic stroke. Their odds increase with a higher NIHSS score at admission.
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Brigo F, Schneider M, Wagenpfeil G, Unger MM, Holzhoffer C, Walter S, Faßbender K, Lochner P. Early poststroke seizures following thrombolysis and/or thrombectomy for acute stroke: Clinical and stroke characteristics. Epilepsy Behav 2020; 104:106353. [PMID: 31231037 DOI: 10.1016/j.yebeh.2019.05.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Accepted: 05/31/2019] [Indexed: 10/26/2022]
Abstract
In this retrospective study, we explored the clinical and stroke characteristics of patients treated with thrombolysis and/or mechanical thrombectomy for an acute stroke and experiencing early poststroke seizures within 7 days of the cerebrovascular accident. Patients with prior epilepsy, primary intracerebral hemorrhage or transient ischemic attacks, or taking antiepileptic drugs were excluded. We retrospectively identified 32 patients admitted between 2010 and 2016 (mean age 75 years; range: 49-90; 14 females and 18 males). A cortical stroke was found in more than 70% of patients. Most epileptic seizures were focal aware (46.7%) or generalized convulsive (43.3%). The median time between stroke onset and seizure occurrence was 2 days; in 75.9% of the cases, seizures occurred within the first 3 days. This retrospective case series is the largest published so far providing details on clinical features of patients with early poststroke seizures following different reperfusion therapies, not only restricted to intravenous (i.v.) thrombolysis. Early poststroke seizures following reperfusion therapies are associated with cortical stroke involvement, are usually focal without impairment of awareness or generalized convulsive, and occur mostly within the first 3 days. Further studies are needed to clarify whether the low prevalence of focal impaired awareness seizures (and nonconvulsive seizures/status) is real or reflects the failure to recognize and correctly diagnose this seizure type in the acute poststroke period (risk of underascertainment due to the lack of systematic video-electroencephalogram (EEG) recording in patients with stroke and difficulties in recognizing these seizures). This article is part of the Special Issue "Seizures & Stroke".
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Affiliation(s)
- Francesco Brigo
- Division of Neurology, "Franz Tappeiner" Hospital, Merano, Italy; Department of Neuroscience, Biomedicine and Movement Science, University of Verona, Verona, Italy.
| | | | - Gudrun Wagenpfeil
- Institute of Medical Biometry, Epidemiology and Medical Informatics, Saarland University Medical Center, Homburg, Germany
| | | | - Claudia Holzhoffer
- Department of Neurology, Saarland University Medical Center, Homburg, Germany
| | - Silke Walter
- Department of Neurology, Saarland University Medical Center, Homburg, Germany
| | - Klaus Faßbender
- Department of Neurology, Saarland University Medical Center, Homburg, Germany
| | - Piergiorgio Lochner
- Department of Neurology, Saarland University Medical Center, Homburg, Germany
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Reperfusion therapies and poststroke seizures. Epilepsy Behav 2020; 104:106524. [PMID: 31727547 DOI: 10.1016/j.yebeh.2019.106524] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 08/26/2019] [Accepted: 08/27/2019] [Indexed: 02/07/2023]
Abstract
Seizures are not only a frequent complication of stroke but have been associated with an unfavorable functional and vital outcome of patients who have had stroke. Facing a new paradigm of acute standard stroke care, acute symptomatic seizures in this clinical setting deserve to be rethought. Reperfusion therapies, the gold standard treatment for acute ischemic stroke, improve long-term survival and outcome of patients who have had stroke and have been associated both with clinical seizures and the occurrence of epileptiform activity in the electroencephalogram (EEG). This narrative review describes the different physiopathological mechanisms underlying the possible association between reperfusion therapies and seizures, both acute symptomatic seizures and unprovoked seizures, and the current evidence regarding the risk of poststroke seizures in treated patients. It also identifies the gaps in our knowledge to foster future studies in this field. By different mechanisms, reperfusions therapies may have opposing effects on the risk of poststroke seizures. There is a need for a better definition of the specific physiopathology of seizures in clinical practice, as many factors can be recognized. Additionally, most of the current clinical evidence refers to acute symptomatic seizures and not to unprovoked seizures or poststroke epilepsy, and our analysis does not support the existence of a strong association between thrombolysis and poststroke seizures. So far, the impact of reperfusion therapies on the frequency of poststroke seizures is unclear. To study this effect, many clinical challenges must be overcome, including a better and clear operational definition of seizures and stroke characteristics, the standard of stroke and epilepsy care and EEG monitoring, and the degree of reperfusion success. Prospective, high quality, larger, and longer follow-up multicentric studies are urgently needed. Additionally, stroke registries can also prove useful in better elucidate whether there is an association between reperfusion therapies and seizures. This article is part of the Special Issue "Seizures & Stroke".
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Belcastro V, Brigo F, Ferlazzo E, Gasparini S, Mastroianni G, Cianci V, Lattanzi S, Silvestrini M, Versino M, Banfi P, Carimati F, Grampa G, Lochner P, Gigli GL, Bax F, Merlino G, Valente M, Vidale S, Aguglia U. Incidence of early poststroke seizures during reperfusion therapies in patients with acute ischemic stroke: An observational prospective study: (TESI study: "Trombolisi/Trombectomia e crisi Epilettiche precoci nello Stroke Ischemico"). Epilepsy Behav 2020; 104:106476. [PMID: 31431399 DOI: 10.1016/j.yebeh.2019.106476] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 07/30/2019] [Accepted: 07/31/2019] [Indexed: 01/14/2023]
Abstract
INTRODUCTION The aim of this study was to prospectively investigate the occurrence of early poststroke seizures (within 7 days of stroke) in patients undergoing reperfusion therapies (intravenous rtPA [recombinant tissue plasminogen activator] and/or endovascular thrombectomy) in comparison to those not undergoing these procedures. METHODS Patients aged ≥18 years with acute ischemic stroke admitted in five Italian centers were prospectively recruited. Clinical data, details on stroke type and etiology, stroke treatment, and radiological data were collected. The frequency of early poststroke seizures was assessed, and predictive factors for their occurrence were evaluated. RESULTS Five hundred and sixteen patients (262 in the reperfusion therapies group) were included. Stroke severity on admission and at discharge was higher among patients undergoing reperfusion therapies. Ten patients (3.8%) undergoing reperfusion therapies and 6 (2.3%) of those not receiving these treatments experienced early poststroke seizures (p = 0.45). There were no differences in any of the baseline characteristics between patients experiencing and those not experiencing early seizures. CONCLUSION The incidence of early poststroke seizures was overall rare, and no significant differences emerged between patients receiving and those not receiving reperfusion therapies. This article is part of the Special Issue "Seizures and Stroke".
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Affiliation(s)
| | - Francesco Brigo
- Hospital Franz Tappeiner, Department of Neurology, Merano, Italy; Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Edoardo Ferlazzo
- Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, Italy; Regional Epilepsy Centre and Neurology Unit, Great Metropolitan Hospital "Bianchi-Melacrino-Morelli" of Reggio Calabria, Italy.
| | - Sara Gasparini
- Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, Italy; Regional Epilepsy Centre and Neurology Unit, Great Metropolitan Hospital "Bianchi-Melacrino-Morelli" of Reggio Calabria, Italy
| | - Giovanni Mastroianni
- Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, Italy; Regional Epilepsy Centre and Neurology Unit, Great Metropolitan Hospital "Bianchi-Melacrino-Morelli" of Reggio Calabria, Italy
| | - Vittoria Cianci
- Neurology and Stroke Unit, Great Metropolitan Hospital, Reggio Cal., Italy
| | - Simona Lattanzi
- Department of Experimental and Clinical Medicine, Neurological Clinic, Marche Polytechnic University, Ancona, Italy
| | - Mauro Silvestrini
- Department of Experimental and Clinical Medicine, Neurological Clinic, Marche Polytechnic University, Ancona, Italy
| | - Maurizio Versino
- Neurology and Stroke Units, Circolo Hospital and Macchi Foundation, Varese, Italy; DMC Department, University of Insubria, Varese, Italy
| | - Paola Banfi
- Neurology and Stroke Units, Circolo Hospital and Macchi Foundation, Varese, Italy
| | - Federico Carimati
- Neurology and Stroke Units, Circolo Hospital and Macchi Foundation, Varese, Italy
| | | | - Piergiorgio Lochner
- Department of Neurology, Saarland University Medical Center, Homburg, Germany
| | | | - Francesco Bax
- Clinical Neurology Unit, University of Udine, Udine, Italy
| | | | | | | | - Umberto Aguglia
- Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, Italy; Regional Epilepsy Centre and Neurology Unit, Great Metropolitan Hospital "Bianchi-Melacrino-Morelli" of Reggio Calabria, Italy
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Intravenous thrombolysis with tPA and cortical involvement increase the risk of early poststroke seizures: Results of a case-control study. Epilepsy Behav 2020; 104:106312. [PMID: 31182396 DOI: 10.1016/j.yebeh.2019.04.056] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 04/18/2019] [Accepted: 04/19/2019] [Indexed: 11/22/2022]
Abstract
The aim of this study was to identify the risk factors for early poststroke seizures (PSS) in patients with acute ischemic stroke. We undertook a case-control study at a single stroke center. Patients with seizure occurring during the first 7 days following ischemic stroke admitted between 2010 and 2016 were retrospectively identified and matched with controls (patients with stroke without early PSS) for age and sex. We included 79 cases and 158 controls. Blood sugar levels on admission, stroke localization, National Institutes of Health Stroke Scale (NIHSS) and Rankin score, and intravenous (i.v.) thrombolysis with recombinant tissue plasminogen activator (rtPA) were statistically associated with early PSS in univariate analysis. Multiple logistic regression after forward and backward variable selection identified cortical stroke localization (odds ratio (OR): 2.49; 95% confidence intervals (CI): 1.35 to 4.59; p = 0.003) and i.v. thrombolysis (OR: 2.26; 95% CI: 1.16 to 4.43; p = 0.008) as variables independently associated with early PSS. Cortical involvement and i.v. thrombolysis are independent risk factors associated with the occurrence of early PSS. This association is not explained by age or sex, concomitant drugs, diabetes or alcoholism, sodium and cholesterol levels, blood pressure on admission, stroke etiology or severity, and hemorrhage following i.v. thrombolysis. Further studies are required to fully elucidate the association between different reperfusion therapies and early PSS. This article is part of the Special Issue "Seizures & Stroke".
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The influence of statins on the risk of post-stroke epilepsy. Neurol Sci 2020; 41:1851-1857. [PMID: 32086686 DOI: 10.1007/s10072-020-04298-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 02/13/2020] [Indexed: 01/21/2023]
Abstract
BACKGROUND Currently, statins are widely used for secondary prevention of stroke due to their pleiotropic neuroprotective effects. Epilepsy is a common complication of cerebrovascular diseases. The purpose of this study was to evaluate the effect of statin therapy on the occurrence of post-stroke epilepsy (PSE). METHODS In this prospective cohort study, patients who suffered an ischemic stroke and without history of epilepsy before stroke were enrolled. At baseline, patients were classified according to the particularities of statin therapy. Statin use onset and adherence to treatment were registered as well. After a follow-up period of 1 year, we assessed the occurrence of seizures and PSE. RESULTS Among the 477 patients included in our cohort, there were 91 (19.1%) patients without statins, 160 (33.5%) with simvastatin 20 mg, 180 (37.7%) with simvastatin 40 mg, and 46 (9.6%) with high-potency statins. Overall, PSE emerged in 53 (11.1%) patients. PSE was significantly more prevalent among those who did not receive statins and those with lower doses of simvastatin. Acute onset of statin use was associated with reduced odds of having PSE. CONCLUSION Adequate treatment with statins after stroke may lower the risk of PSE.
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Martinez J, Mouzinho M, Teles J, Guilherme P, Nogueira J, Félix C, Ferreira F, Marreiros A, Nzwalo H. Poor intensive stroke care is associated with short-term death after spontaneous intracerebral hemorrhage. Clin Neurol Neurosurg 2020; 191:105696. [PMID: 32014803 DOI: 10.1016/j.clineuro.2020.105696] [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: 10/26/2019] [Revised: 01/24/2020] [Accepted: 01/27/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVES The case fatality from spontaneous ICH (SICH) remains high. The quality and intensity of early treatment is one of the determinants of the outcome. We aimed to study the association of early intensive care, using the Intracerebral Hemorrhage-Specific Intensity of Care Quality Metrics (IHSICQM) with the 30-day in-hospital mortality in Algarve, Portugal. PATIENTS AND METHODS analysis of prospective collected data of 157 consecutive SICH patients (2014-2016). Logistic regression was performed to assess the role of IHSICQM on the 30-day in-hospital mortality controlling for the most common clinical and radiological predictors of death. Receiver operating characteristic (ROC) curve was developed to evaluate the prediction accuracy of the IHSICQM score (C-statistics). RESULTS forty-five (29 %) patients died. The group of deceased patients had lower intensity of care (lower IHSICQM score) and higher proportion of poor prognosis associated factors (pre-ICH functional dependency, intraventricular dissection/glycaemia). On the multivariate analysis, higher IHSICQM was associated with reduction of the odds of death, 0.27 (0.14-0.50) per each increasing point. The ROC curve showed a high discriminating ability of isolated IHSICQM in predicting the 30-day mortality (AUC = 0,95; 95 % CI = [0,86; 0,95]). CONCLUSION the early intensity of quality of care independently predicts the 30-day in-hospital mortality. Quantification of the intensity of SICH is a valid tool to persuade improvement of SICH care, as well to help comparison of performances within and between hospitals.
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Affiliation(s)
- Joana Martinez
- Faculty of Medicine and Biomedical Sciences and Medicine, University of Algarve, Faro, Portugal
| | - Maria Mouzinho
- Faculty of Medicine and Biomedical Sciences and Medicine, University of Algarve, Faro, Portugal
| | - Joana Teles
- Faculty of Medicine and Biomedical Sciences and Medicine, University of Algarve, Faro, Portugal
| | - Patrícia Guilherme
- Neurology Department, Centro Hospitalar Universitário do Algarve, Algarve, Portugal
| | - Jerina Nogueira
- Faculty of Medicine and Biomedical Sciences and Medicine, University of Algarve, Faro, Portugal
| | - Catarina Félix
- Neurology Department, Centro Hospitalar Universitário do Algarve, Algarve, Portugal
| | - Fátima Ferreira
- Neurology Department, Centro Hospitalar Universitário do Algarve, Algarve, Portugal
| | - Ana Marreiros
- Faculty of Medicine and Biomedical Sciences and Medicine, University of Algarve, Faro, Portugal; Algarve Biomedical Center, Portugal
| | - Hipólito Nzwalo
- Faculty of Medicine and Biomedical Sciences and Medicine, University of Algarve, Faro, Portugal; Algarve Biomedical Center, Portugal.
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Brondani R, de Almeida AG, Cherubini PA, Secchi TL, de Oliveira MA, Martins SCO, Bianchin MM. Risk Factors for Epilepsy After Thrombolysis for Ischemic Stroke: A Cohort Study. Front Neurol 2020; 10:1256. [PMID: 32038448 PMCID: PMC6989601 DOI: 10.3389/fneur.2019.01256] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 11/12/2019] [Indexed: 12/12/2022] Open
Abstract
The effects of thrombolysis in seizure and epilepsy after acute ischemic stroke have been poorly explored. In this study, we examine risk factors and consequences of intravenous rt-PA for treatment of acute ischemic stroke. In a retrospective cohort study we evaluate risk factors for seizure and epilepsy after stroke thrombolysis, as well as the impact of seizures and epilepsy in outcome of stroke patients. In our cohort, mean age of patients was 67.2 years old (SD = 13.1) and 79 of them (51.6%) were male and. Initial NIHSS mean score were 10.95 (SD = 6.25). Three months NIHSS mean score was 2.09 (SD = 3.55). Eighty seven (56.9%) patients were mRS of 0–1 after thrombolysis. Hemorrhagic transformation was observed in 22 (14.4%) patients. Twenty-one (13.7%) patients had seizures and 15 (9.8%) patients developed epilepsy after thrombolysis. Seizures were independently associated with hemorrhagic transformation (OR = 3.26; 95% CI = 1.08–9.78; p = 0.035) and with mRS ≥ 2 at 3 months after stroke (OR = 3.51; 95% CI = 1.20–10.32; p = 0.022). Hemorrhagic transformation (OR = 3.55; 95% CI = 1.11–11.34; p = 0.033) and mRS ≥ 2 at 3 months (OR = 5.82; 95% CI = 1.45–23.42; p = 0.013) were variables independently associated with post-stroke epilepsy. In our study, independent risks factors for poor outcome in stroke thrombolysis were age (OR = 1.03; 95% CI = 1.01–1.06; p = 0.011), higher NIHSS (OR = 1.08; 95% CI = 1.03–1.14; p = 0.001), hemorrhagic transformation (OR = 2.33; 95% CI = 1.11–4.76; p = 0.024), seizures (OR = 3.07; 95% CI = 1.22–7.75; p = 0.018) and large cortical area (ASPECTS ≤ 7) (OR = 2.04; 95% CI = 1.04–3.84; p = 0.036). Concluding, in this retrospective cohort study, the neurological impairment after thrombolysis (but not before) and hemorrhagic transformation remained independent risk factors for seizures or post-stroke epilepsy after thrombolysis. Moreover, we observed that seizures emerged as an independent risk factor for poor outcome after thrombolysis therapy in stroke patients (OR = 3.07; 95% CI = 1.22–7.75; p = 0.018).
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Affiliation(s)
- Rosane Brondani
- Graduate Program in Medicine: Medical Sciences, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.,Basic Research and Advanced Investigations in Neurology, Hospital de Clínicas de Porto Alegre, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.,Division of Neurology, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Andrea Garcia de Almeida
- Graduate Program in Medicine: Medical Sciences, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.,Basic Research and Advanced Investigations in Neurology, Hospital de Clínicas de Porto Alegre, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.,Division of Neurology, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Pedro Abrahim Cherubini
- Basic Research and Advanced Investigations in Neurology, Hospital de Clínicas de Porto Alegre, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.,Division of Neurology, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.,CETER-Center for Epilepsy Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Thaís Leite Secchi
- Graduate Program in Medicine: Medical Sciences, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.,Basic Research and Advanced Investigations in Neurology, Hospital de Clínicas de Porto Alegre, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.,Division of Neurology, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.,CETER-Center for Epilepsy Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Marina Amaral de Oliveira
- Basic Research and Advanced Investigations in Neurology, Hospital de Clínicas de Porto Alegre, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Sheila Cristina Ouriques Martins
- Graduate Program in Medicine: Medical Sciences, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.,Division of Neurology, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Marino Muxfeldt Bianchin
- Graduate Program in Medicine: Medical Sciences, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.,Basic Research and Advanced Investigations in Neurology, Hospital de Clínicas de Porto Alegre, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.,Division of Neurology, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.,CETER-Center for Epilepsy Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
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Bermeo-Ovalle A. Strokes or Seizures? What's the Score? Epilepsy Curr 2019; 20:30-32. [PMID: 31802720 PMCID: PMC7020532 DOI: 10.1177/1535759719889625] [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] [Indexed: 11/24/2022] Open
Abstract
Prediction of Late Seizures After Ischemic Stroke With a Novel Prognostic Model (the SeLECT Score): A Multivariable Prediction Model Development and Validation Study Galovic M, Döhler N, Erdélyi-Canavese B, et al. Lancet Neurol. 2018;17(2):143-152. doi:10.1016/S1474-4422(17)30404-0 PMID: 29413315 Background: Stroke is one of the leading causes of acquired epilepsy in adults. An instrument to predict whether people are at high risk of developing poststroke seizures is not available. We aimed to develop and validate a prognostic model of late (>7 days) seizures after ischemic stroke. Methods: In this multivariable prediction model development and validation study, we developed the SeLECT score based on 5 clinical predictors in 1200 participants who had an ischemic stroke in Switzerland using backward elimination of a multivariable Cox proportional hazards model. We externally validated this score in 1169 participants from 3 independent international cohorts in Austria, Germany, and Italy and assessed its performance with the concordance statistic and calibration plots. Findings: Data were complete for 99.2% of the predictors (99.2% for Switzerland, 100% for Austria, 97% for Germany, and 99.7% for Italy) and 100% of the outcome parameters. Overall, the risk of late seizures was 4% (95% confidence interval [CI]: 4-5) 1 year after stroke and 8% (6-9) 5 years after stroke. The final model included 5 variables and was named SeLECT on the basis of the first letters of the included parameters (severity of stroke, large-artery atherosclerotic etiology, early seizures, cortical involvement, and territory of middle cerebral artery [MCA] involvement). The lowest SeLECT value (0 points) was associated with a 0.7% (95% CI: 0.4-1.0) risk of late seizures within 1 year after stroke (1.3% [95% CI: 0.7-1.8] within 5 years), whereas the highest value (9 points) predicted a 63% (42-77) risk of late seizures within 1 year (83% [62-93] within 5 years). The model had an overall concordance statistic of 0.77 (95% CI: 0.71-0.82) in the validation cohorts. Calibration plots indicated high agreement of predicted and observed outcomes. Interpretation: This easily applied instrument was shown to be a good predictor of the risk of late seizures after stroke in 3 external validation cohorts and is freely available as a smartphone app. The SeLECT score has the potential to identify individuals at high risk of seizures and is a step toward more personalized medicine. It can inform the selection of an enriched population for antiepileptogenic treatment trials and will guide the recruitment for biomarker studies of epileptogenesis. Population-Based Assessment of the Long-Term Risk of Seizures in Survivors of Stroke Merkler AE, Gialdini G, Lerario MP, et al. Stroke. 2018;49(6):1319-1324. doi:10.1161/STROKEAHA.117.020178. Epub April 25, 2018. PMID: 29695463 Background and Purpose: We sought to determine the long-term risk of seizures after stroke according to age, sex, race, and stroke subtype. Methods: We performed a retrospective cohort study using administrative claims from 2 complementary patient data sets. First, we analyzed data from all emergency department visits and hospitalizations in California, Florida, and New York from 2005 to 2013. Second, we evaluated inpatient and outpatient claims from a nationally representative 5% random sample of Medicare beneficiaries. Our cohort consisted of all adults at the time of acute stroke hospitalization without a prior history of seizures. Our outcome was seizure occurring after hospital discharge for stroke. Poisson regression and demographic data were used to calculate age-, sex-, and race-standardized incidence rate ratios (IRR). Results: Among 777 276 patients in the multistate cohort, the annual incidence of seizures was 1.68% (95% confidence interval [CI]: 1.67%-1.70%) after stroke versus 0.15% (95% CI: 0.15%-0.15%) among the general population (IRR: 7.3; 95% CI: 7.3-7.4). By 8 years, the cumulative rate of any emergency department visit or hospitalization for seizure was 9.27% (95% CI: 9.16%-9.38%) after stroke versus 1.21% (95% CI: 1.21%-1.22%) in the general population. Stroke was more strongly associated with a subsequent seizure among patients <65 years of age (IRR: 12.0; 95% CI: 11.9-12.2) than in patients ≥65 years of age (IRR: 5.5; 95% CI: 5.4-5.5), and in the multistate analysis, the association between stroke and seizure was stronger among nonwhite patients (IRR: 11.0; 95% CI: 10.8-11.2) than among white patients (IRR: 7.3; 95% CI: 7.2-7.4). Risks were especially elevated after intracerebral hemorrhage (IRR: 13.3; 95% CI: 13.0-13.6) and subarachnoid hemorrhage (IRR: 13.2; 95% CI: 12.8-13.7). Our study of Medicare beneficiaries confirmed these findings. Conclusions: Almost 10% of patients with stroke will develop seizures within a decade. Hemorrhagic stroke, nonwhite race, and younger age seem to confer the greatest risk of developing seizures.
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Scoppettuolo P, Gaspard N, Depondt C, Legros B, Ligot N, Naeije G. Epileptic activity in neurological deterioration after ischemic stroke, a continuous EEG study. Clin Neurophysiol 2019; 130:2282-2286. [DOI: 10.1016/j.clinph.2019.09.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 08/23/2019] [Accepted: 09/15/2019] [Indexed: 12/13/2022]
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George P, Punia V, Natteru PA, Hantus S, Newey C. Predictors of Seizure Recurrence after Acute Symptomatic Seizures in Ischemic Stroke Patients. NEUROSCIENCE JOURNAL 2019; 2019:8183921. [PMID: 31781587 PMCID: PMC6875410 DOI: 10.1155/2019/8183921] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 09/25/2019] [Indexed: 11/17/2022]
Abstract
PURPOSE Seizure is a well-recognized complication of both remote and acute ischemic strokes. Predictors of seizure recurrence and epilepsy in patients with ischemic stroke who develop acute symptomatic seizures (ASyS) on continuous electroencephalography (cEEG) have not been well studied. METHODS We present a five-year retrospective study of acute and remote ischemic stroke patients who developed ASyS on cEEG. We then identified risk factors for the development of seizure recurrence. RESULTS Sixty-five patients with ischemic stroke and ASyS were identified and reviewed. All ASyS were noted to be nonconvulsive seizures. Clinical recurrence of seizures was identified in 19 of these patients (29.2%) at follow-up. Rate of seizure recurrence was higher in remote ischemic stroke patients (84.2%), compared to acute ischemic stroke patients (15.8%, p = 0.0116, OR 0.17, 95% CI 0.049-0.65). Sharp waves/spikes on follow-up EEG significantly correlated with seizure recurrence (p = 0.006, OR 0, 95% CI 0-0.3926). Patients discharged on ≥3 antiepileptic drugs (AEDs) were at a higher risk of having seizure recurrence (p = 0.0015, OR 0.05, 95% CI 0.0089-0.37). CONCLUSION We identified risk factors of seizure recurrence in patients with ASyS as remote ischemic stroke, requiring multiple AEDs, and the presence of sharp waves on follow-up EEG. This study highlights the usefulness of cEEG in evaluating patients with acute or remote strokes.
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Affiliation(s)
- Pravin George
- Cleveland Clinic, Department of Neurology, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Vineet Punia
- Cleveland Clinic, Department of Neurology, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Prashant A. Natteru
- University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216-4505, USA
| | - Stephen Hantus
- Cleveland Clinic, Department of Neurology, 9500 Euclid Avenue, Cleveland, OH 44195, USA
| | - Christopher Newey
- Cleveland Clinic, Department of Neurology, 9500 Euclid Avenue, Cleveland, OH 44195, USA
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Polverino P, Caruso P, Ridolfi M, Furlanis G, Naccarato M, Sartori A, Manganotti P. Acute isolated aphasia as a challenging symptom in the emergency setting: Predictors of epileptic mimic versus ischemic stroke. J Clin Neurosci 2019; 67:129-133. [DOI: 10.1016/j.jocn.2019.06.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 06/10/2019] [Indexed: 10/26/2022]
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Quirins M, Dussaule C, Denier C, Masnou P. Epilepsy after stroke: Definitions, problems and a practical approach for clinicians. Rev Neurol (Paris) 2018; 175:126-132. [PMID: 30415978 DOI: 10.1016/j.neurol.2018.02.088] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 02/28/2018] [Indexed: 11/17/2022]
Abstract
Stroke, whether ischemic or hemorrhagic, is the main etiology of epilepsy in the elderly. However, incidences and outcomes differ according to stroke subtype and delay of onset following the stroke. While the medical literature is extensive, it is not always consistent, and many questions still remain regarding risk factors and management of vascular epilepsy. Thus, the present report here is an overview of the clinical aspects of vascular epilepsy using a practical approach that integrates data from meta-analyses and the more recently published expert recommendations.
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Affiliation(s)
- M Quirins
- Service de neurologie adulte, CHU Bicêtre, 78, avenue du Général Leclerc, 94270 Le Kremlin Bicêtre, France.
| | - C Dussaule
- Service de neurologie adulte, CHU Bicêtre, 78, avenue du Général Leclerc, 94270 Le Kremlin Bicêtre, France
| | - C Denier
- Service de neurologie adulte, CHU Bicêtre, 78, avenue du Général Leclerc, 94270 Le Kremlin Bicêtre, France
| | - P Masnou
- Service de neurologie adulte, CHU Bicêtre, 78, avenue du Général Leclerc, 94270 Le Kremlin Bicêtre, France
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Feyissa AM, Hasan TF, Meschia JF. Stroke-related epilepsy. Eur J Neurol 2018; 26:18-e3. [PMID: 30320425 DOI: 10.1111/ene.13813] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 09/19/2018] [Indexed: 01/16/2023]
Abstract
Stroke is the cause of about 10% of all epilepsy and 55% of newly diagnosed seizures among the elderly. Although recent advances in acute stroke therapy have improved longevity, there has been a consequent rise in the prevalence of stroke-related epilepsy (STRE). Many clinical studies make a distinction between early (within 7 days of onset of stroke) and late (beyond 7 days of onset of stroke) seizures based on presumed pathophysiological differences. Although early seizures are thought to be the consequence of local metabolic disturbances without altered neuronal networks, late seizures are thought to occur when the brain has acquired a predisposition for seizures. Overall, STRE has a good prognosis, being well controlled by antiepileptic drugs. However, up to 25% of cases become drug resistant. STRE can also result in increased morbidity, longer hospitalization, greater disability at discharge and greater resource utilization. Additional controlled trials are needed to explore the primary and secondary prevention of STRE as well as to provide high-quality evidence on efficacy and tolerability of antiepileptic drugs to guide treatment of STRE. Robust pre-clinical and clinical prediction models of STRE are also needed to develop treatments to prevent the transformation of infarcted tissue into an epileptic focus.
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Affiliation(s)
- A M Feyissa
- Department of Neurology, Mayo Clinic, Jacksonville, FL, USA
| | - T F Hasan
- Department of Neurologic Surgery, Mayo Clinic, Jacksonville, FL, USA
| | - J F Meschia
- Department of Neurology, Mayo Clinic, Jacksonville, FL, USA
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Outcome and predictive factors in post-stroke seizures: A retrospective case-control study. Seizure 2018; 62:11-16. [PMID: 30245457 DOI: 10.1016/j.seizure.2018.09.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 09/09/2018] [Accepted: 09/12/2018] [Indexed: 11/23/2022] Open
Abstract
PURPOSE To evaluate clinical, radiographic, and electrophysiological features in the development and prognosis of ischemic post-stroke seizures (PSS). METHOD A retrospective study of 1119 patient records was performed between January 2006 and December 2016. After selection, 42 patients with seizures due to ischemic stroke were matched to a control group of 60 patients where seizures were absent. Stroke size and severity were analyzed using ASPECTS and NIHSS, respectively. Hemorrhagic transformation graded by ECASS III classification. Outcomes were assessed using the modified Rankin Scale. Fisher's exact test assessed categorical variables, and Mann-Whitney tested continuous variables. RESULTS Forty-two patients experienced PSS (22 females; median age 72.5 years) and were matched with 60 control subjects that had ischemic stroke without seizures. Focal seizures were present in 42.9% (18/42), and focal to bilateral convulsions in 57.1% (24/42). Stroke localization and severity did not differ (p = 0.6 and 0.21, respectively). Stroke size in anterior circulation was larger in PSS patients (median ASPECTS 6 vs 8 [p = 0.01]). Posterior circulation stroke size was similar in both groups. The presence of hemorrhage was the primary risk factor for PSS (61.9%) compared to controls (36.7%), p = 0.01. The presence of laminar necrosis (LN) (47.6% vs 21.6%, p = 0.005) and hemosiderin deposition (38.1% vs 18.3%, p = 0.02) were most predictive. PSS patients demonstrated worse outcomes than the controls (median mRS 3 vs 2, [p=<0.001]) with a median follow up of 14.8 and 20.7 months, respectively. CONCLUSIONS The size of anterior infarction, presence of blood products within the infarct bed, and especially LN predicted PSS.
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Gunawardane N, Fields M. Acute Symptomatic Seizures and Provoked Seizures: to Treat or Not to Treat? Curr Treat Options Neurol 2018; 20:41. [DOI: 10.1007/s11940-018-0525-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Bentes C, Peralta AR, Viana P, Martins H, Morgado C, Casimiro C, Franco AC, Fonseca AC, Geraldes R, Canhão P, Pinho e Melo T, Paiva T, Ferro JM. Quantitative EEG and functional outcome following acute ischemic stroke. Clin Neurophysiol 2018; 129:1680-1687. [DOI: 10.1016/j.clinph.2018.05.021] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 03/27/2018] [Accepted: 05/08/2018] [Indexed: 10/14/2022]
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Mehvari Habibabadi J, Saadatnia M, Tabrizi N. Seizure in cerebral venous and sinus thrombosis. Epilepsia Open 2018; 3:316-322. [PMID: 30187001 PMCID: PMC6119760 DOI: 10.1002/epi4.12229] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/07/2018] [Indexed: 11/08/2022] Open
Abstract
Many conflicting issues exist about seizure in the setting of cerebral venous and sinus thrombosis (CVST). In this article we aimed to address the existing data regarding incidence, characteristics, predictors, treatment, and prognosis of acute and late seizures in patients with CVST and to prepare more practical information for clinicians. PubMed, Embase, Web of science and Cochrane databases were searched within 1966–2016 using relevant keywords. A total of 63 papers met the inclusion criteria. Seizures are classified as acute symptomatic seizures (ASS; first 14 days) and post‐CVST epilepsy (PCE; after 14 days). The incidence had been reported in a wide range of 6.9–76% for ASS and 4–16% for PCE. Focal and generalized seizures were observed with different predominance. ASS commonly occurred in patients with loss of consciousness, focal neurological deficits, supratentorial lesions and thrombosis in superior sagittal sinus, straight sinus, and cortical veins. PCE had been predisposed by occurrence of ASS, motor deficit, and supratentorial lesions, particularly hemorrhage. Most experts believe that primary prophylaxis with antiepileptic drugs in the acute phase is not indicated. However, the initiation of prophylaxis after the first seizure in patients with supratentorial lesions or focal neurological deficit should be recommended. The quality of current evidence is low and most conclusions are based on expert opinions. More accurate reports of seizure semiology, detailed antiepileptic treatment plans, and outcomes are necessary to answer the existing questions.
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Affiliation(s)
| | - Mohammad Saadatnia
- Isfahan Neuroscience Research Center Isfahan University of Medical Sciences Isfahan Iran
| | - Nasim Tabrizi
- Department of Neurology Mazandaran University of Medical Sciences Sari Iran
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Schmidt D, Galanopoulou AS, Wang X. An interview with Carla Bentes, 2018 Epilepsia Open Prize Winner for Clinical Research. Epilepsia Open 2018; 3:124-126. [PMID: 29881791 PMCID: PMC5983179 DOI: 10.1002/epi4.12118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Bentes C, Martins H, Peralta AR, Morgado C, Casimiro C, Franco AC, Fonseca AC, Geraldes R, Canhão P, Pinho e Melo T, Paiva T, Ferro JM. Early EEG predicts poststroke epilepsy. Epilepsia Open 2018; 3:203-212. [PMID: 29881799 PMCID: PMC5983181 DOI: 10.1002/epi4.12103] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2018] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE Electroencephalography (EEG) can identify biomarkers of epileptogenesis and ictogenesis. However, few studies have used EEG in the prediction of poststroke seizures. Our primary aim was to evaluate whether early EEG abnormalities can predict poststroke epilepsy. METHODS A prospective study of consecutive acute anterior circulation ischemic stroke patients, without previous epileptic seizures, who were admitted to a stroke unit over 24 months and followed for 1 year. All patients underwent standardized clinical and diagnostic assessment during the hospital stay and after discharge. Video-EEG was performed in the first 72 h (first EEG), daily for the first 7 days, in case of neurological deterioration, at discharge, and at 12 months after stroke. The occurrence of epileptic seizures in the first year after stroke (primary outcome) was evaluated clinically and neurophysiologically during the hospital stay and at 12 months. A telephone interview was also performed at 6 months. The primary outcome was the occurrence of at least one unprovoked seizure (poststroke epilepsy). Secondary outcomes were the occurrence of at least one acute symptomatic seizure and (interictal and/or ictal) epileptiform activity on at least one EEG during the hospital stay for acute stroke. The first EEG variables were defined using international criteria/terminology. Bivariate and multivariate analyses with adjustment for age, admission National Institutes of Health Stroke Scale (NIHSS) score, and Alberta Stroke Program Early CT Score (ASPECTS) were performed. RESULTS A total of 151 patients were included; 38 patients (25.2%) had an acute symptomatic seizure and 23 (16%) had an unprovoked seizure.The first EEG background activity asymmetry and first EEG with interictal epileptiform activity were independent predictors of poststroke epilepsy during the first year after stroke (P = 0.043 and P = 0.043, respectively). No EEG abnormality independently predicted acute symptomatic seizures. However, the presence of periodic discharges on the first EEG was an independent predictor of epileptiform activity (p = 0.009) during the hospital stay. SIGNIFICANCE An early poststroke EEG can predict epilepsy in the first year after stroke, independently from clinical and imaging-based infarct severity.
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Affiliation(s)
- Carla Bentes
- EEG/Sleep Laboratory / Stroke UnitDepartment of Neurosciences and Mental Health (Neurology)Santa Maria Hospital ‐ North Lisbon Hospitalar CentreLisbonPortugal
- Faculty of MedicineUniversity of LisbonLisbonPortugal
| | - Hugo Martins
- Department of MedicineSão José Hospital ‐ Central Lisbon Hospitalar CentreLisbonPortugal
| | - Ana Rita Peralta
- EEG/Sleep Laboratory / Stroke UnitDepartment of Neurosciences and Mental Health (Neurology)Santa Maria Hospital ‐ North Lisbon Hospitalar CentreLisbonPortugal
- Faculty of MedicineUniversity of LisbonLisbonPortugal
| | - Carlos Morgado
- Faculty of MedicineUniversity of LisbonLisbonPortugal
- Department of NeuroradiologySanta Maria Hospital ‐ North Lisbon Hospitalar CentreLisbonPortugal
| | - Carlos Casimiro
- Department of NeuroradiologySanta Maria Hospital ‐ North Lisbon Hospitalar CentreLisbonPortugal
| | - Ana Catarina Franco
- EEG/Sleep Laboratory / Stroke UnitDepartment of Neurosciences and Mental Health (Neurology)Santa Maria Hospital ‐ North Lisbon Hospitalar CentreLisbonPortugal
| | - Ana Catarina Fonseca
- EEG/Sleep Laboratory / Stroke UnitDepartment of Neurosciences and Mental Health (Neurology)Santa Maria Hospital ‐ North Lisbon Hospitalar CentreLisbonPortugal
- Faculty of MedicineUniversity of LisbonLisbonPortugal
| | - Ruth Geraldes
- EEG/Sleep Laboratory / Stroke UnitDepartment of Neurosciences and Mental Health (Neurology)Santa Maria Hospital ‐ North Lisbon Hospitalar CentreLisbonPortugal
- Faculty of MedicineUniversity of LisbonLisbonPortugal
| | - Patrícia Canhão
- EEG/Sleep Laboratory / Stroke UnitDepartment of Neurosciences and Mental Health (Neurology)Santa Maria Hospital ‐ North Lisbon Hospitalar CentreLisbonPortugal
- Faculty of MedicineUniversity of LisbonLisbonPortugal
| | - Teresa Pinho e Melo
- EEG/Sleep Laboratory / Stroke UnitDepartment of Neurosciences and Mental Health (Neurology)Santa Maria Hospital ‐ North Lisbon Hospitalar CentreLisbonPortugal
- Faculty of MedicineUniversity of LisbonLisbonPortugal
| | - Teresa Paiva
- Eletroencefalography and Clinic Neurophysiology Centre (CENC)LisbonPortugal
| | - José M. Ferro
- EEG/Sleep Laboratory / Stroke UnitDepartment of Neurosciences and Mental Health (Neurology)Santa Maria Hospital ‐ North Lisbon Hospitalar CentreLisbonPortugal
- Faculty of MedicineUniversity of LisbonLisbonPortugal
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