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The path to post-traumatic epilepsy: A review of emerging biomarkers and therapeutic targets 创伤后癫痫的路径:新出现的生物标志物和治疗靶点的综述。
IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2025-10-28 DOI: 10.1016/j.seizure.2025.10.021
Soheil M. Yazdi , Andres Jimenez- Gomez , Alica Goldman , Spyridoula Tsetsou

Background

Post-traumatic epilepsy (PTE) is a common, disabling sequela of traumatic brain injury (TBI), contributing to long-term morbidity. Short-term antiseizure prophylaxis reduces early provoked seizures, but no interventions prevent late unprovoked seizures or PTE. This gap arises from limited understanding of underlying mechanisms.

Objective

This review synthesizes PTE pathophysiology and emerging mechanism-based prevention strategies, emphasizing a shift from reactive management to personalized prophylaxis.

Evidence Synthesis

PTE develops via epileptogenesis—a latent, multifactorial process distinct from acute seizure triggers—involving chronic neuroinflammation (e.g., IL-1β, NLRP3 pathways), blood-brain barrier dysfunction, maladaptive gliosis with glutamate dysregulation, and aberrant plasticity (e.g., mTOR signaling, interneuron loss). These insights identify targets for intervention. Promising repurposed agents include IL-1 receptor antagonists (anakinra), mTOR inhibitors (rapamycin), and glutamate modulators (ceftriaxone), with preclinical data showing reduced seizure burden. Predictive biomarkers (neuroimaging, EEG, cytokines, microRNAs) are essential for risk stratification in prophylactic trials.

Conclusions

The field is pivoting toward disease prevention through targeted therapies and precision medicine. Translating these advances could yield the first PTE-preventive treatment, altering TBI outcomes for survivors.
背景:创伤后癫痫(PTE)是创伤性脑损伤(TBI)的一种常见致残后遗症,可导致长期发病。短期抗癫痫预防可以减少早期诱发性癫痫发作,但没有干预措施可以预防晚期非诱发性癫痫发作或PTE。这一差距源于对潜在机制的有限理解。目的:本文综述了PTE的病理生理学和新兴的基于机制的预防策略,强调了从反应性管理到个性化预防的转变。证据综合:PTE通过癫痫发生发展,这是一个潜在的、多因素的过程,不同于急性发作的触发因素,涉及慢性神经炎症(例如,IL-1β, NLRP3通路),血脑屏障功能障碍,谷氨酸失调的不适应胶质细胞增生,以及异常的可塑性(例如,mTOR信号传导,中间神经元丢失)。这些见解确定了干预的目标。有希望的重新利用的药物包括IL-1受体拮抗剂(阿那那),mTOR抑制剂(雷帕霉素)和谷氨酸调节剂(头孢曲松),临床前数据显示癫痫发作负担减轻。预测性生物标志物(神经影像学、脑电图、细胞因子、微rna)是预防试验中风险分层的必要条件。结论:该领域正在转向通过靶向治疗和精准医学来预防疾病。转化这些进展可能会产生第一个pte预防治疗,改变幸存者的TBI结果。
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引用次数: 0
Cardiac safety of low-dose ACTH therapy in infantile spasms: Evidence from electrocardiography and advanced echocardiography 低剂量促肾上腺皮质激素治疗婴儿痉挛的心脏安全性:来自心电图和高级超声心动图的证据
IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2025-10-28 DOI: 10.1016/j.seizure.2025.10.020
Borakay Dilek , Saylan Cevik Berna , Unver Olcay , Doganci Demet Deniz , Gunes Sager Safiye , Turkdogan Dilsad

Objective

Infantile epileptic spasms syndrome (IESS) is a catastrophic epileptic encephalopathy of infancy. While adrenocorticotropic hormone (ACTH) remains the most effective first-line therapy, its cardiac safety profile, particularly at low doses, has not been systematically evaluated. This study aimed to investigate the effects of low-dose ACTH therapy on cardiac conduction and function using electrocardiography (ECG) and advanced echocardiography.

Methods

This prospective controlled study included 24 infants with IESS and 24 age- and sex-matched healthy controls. All patients received low-dose ACTH (Synacthen® Depot, intramuscular; 0.5 mg/kg if < 10 kg, 1 mg/kg if ≥ 10 kg; 18 injections over 8 weeks). Serial 12-lead ECGs and echocardiographic assessments, including M-mode, Doppler, tissue Doppler imaging (TDI), and speckle-tracking strain, were performed at baseline and at 2, 4, and 6 months. Controls underwent single baseline assessments.

Results

No patient developed overt arrhythmia or hypertension during treatment. However, ECG analysis revealed progressive prolongation of PR, QRS, QT, QTc, Tp–Te, and Tp–Te-related ratios (p < 0.001). Echocardiography demonstrated significant increases in LVEDD, LVESD, LV mass, and MPI, with impaired diastolic relaxation and progressive deterioration of longitudinal and circumferential strain (p < 0.05). Subgroup analyses showed no significant differences among genetic, hypoxic-ischemic, and hypoxia-related etiologies.

Conclusion

Even short-term, low-dose ACTH therapy is associated with subclinical conduction abnormalities and myocardial dysfunction in IESS patients. Routine cardiac monitoring, including advanced imaging modalities, should be integrated into ACTH protocols. Multidisciplinary management and larger multicenter studies are warranted to clarify the long-term cardiovascular implications of ACTH therapy in IESS.
目的:小儿癫痫性痉挛综合征(IESS)是一种婴幼儿灾难性癫痫性脑病。虽然促肾上腺皮质激素(ACTH)仍然是最有效的一线治疗,但其心脏安全性,特别是在低剂量时,尚未得到系统的评估。本研究旨在通过心电图和高级超声心动图研究低剂量ACTH治疗对心脏传导和功能的影响。方法本前瞻性对照研究纳入24例IESS患儿和24例年龄和性别匹配的健康对照。所有患者均接受低剂量ACTH治疗(Synacthen®Depot,肌内注射;10 kg≤0.5 mg/kg;≥10 kg≤1mg /kg; 8周内18次注射)。在基线和2、4、6个月时进行连续12导联心电图和超声心动图评估,包括m型、多普勒、组织多普勒成像(TDI)和斑点追踪应变。对照组接受单一基线评估。结果治疗期间无明显心律失常或高血压发生。然而,心电图分析显示PR、QRS、QT、QTc、Tp-Te和Tp-Te相关比值的进行性延长(p < 0.001)。超声心动图显示LVEDD、LVESD、左室质量和MPI显著增加,舒张舒张受损,纵向和周向应变进行性恶化(p < 0.05)。亚组分析显示遗传、缺氧缺血性和缺氧相关病因之间无显著差异。结论即使短期低剂量ACTH治疗也与IESS患者亚临床传导异常和心肌功能障碍有关。常规心脏监测,包括先进的成像方式,应纳入ACTH方案。多学科管理和更大的多中心研究是必要的,以阐明促肾上腺皮质激素治疗对IESS的长期心血管影响。
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引用次数: 0
The intersection of epilepsy and assisted reproduction: A review of therapeutic approaches and considerations 癫痫和辅助生殖的交叉:治疗方法和考虑的回顾。
IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2025-10-26 DOI: 10.1016/j.seizure.2025.10.019
Banafsheh Mohammadi , Jafar Mehvari , Navid Naghibi , Nasim Tabrizi

Objective

Women with epilepsy (WWE) have unique reproductive problems due to interactions among seizures, antiseizure medications (ASMs), and endocrine changes. These interactions can cause infertility, menstrual dysfunction, and an increased risk for reproductive endocrine disorders. Assisted reproductive technologies (ART), offer a hope for WWE seeking pregnancy but raise questions about seizure control, drug interactions, and pregnancy outcomes. This review aims to discuss the challenges associated with the use of ART in WWE.

Methods

A narrative review was conducted through PubMed, MEDLINE, and ISI Web of Science. Inclusion criteria were original research, cohort studies, case series, randomized trials, and systematic reviews incorporating ART outcomes, ASM interactions, and hormonal therapies in WWE. Animal studies and abstracts without full text available were excluded.

Results

The data about the use, most appropriate protocols and success rate of ART in WWE is scarce. Current findings suggest that ART is effective in WWE, with live birth rates comparable to those of women without epilepsy. Most WWE with well-controlled epilepsy have seizure stability during ART, but sporadic cases of seizure worsening, have been reported. ART hormonal treatments can interact with ASMs, necessitating therapeutic drug level monitoring and dose adjustment, especially for lamotrigine. Enzyme-inducing ASMs can reduce the efficacy of hormonal treatments, requiring augmented doses of progesterone for luteal support. WWE remain at higher risk of pregnancy complication, but ART does not yet appear to contribute to these risks when appropriately managed.

Conclusion

Based on the limited current studies, ART might be an acceptable and safe fertility treatment for WWE, provided that seizure control is optimized and ASM-hormone interactions are carefully managed. ASM choice, therapeutic drug monitoring, and multidisciplinary care need to be tailored to maximize reproductive and neurological outcomes. Frozen embryo transfer protocols and progestin-only contraception may also enhance safety. Continued research and clinical monitoring are needed to further develop management strategies and long-term outcomes in WWE undergoing ART.
目的:女性癫痫患者(WWE)由于癫痫发作、抗癫痫药物(asm)和内分泌变化之间的相互作用而具有独特的生殖问题。这些相互作用可导致不孕、月经功能障碍和生殖内分泌紊乱的风险增加。辅助生殖技术(ART)为寻求怀孕的WWE提供了希望,但也提出了有关癫痫控制、药物相互作用和妊娠结局的问题。这篇综述的目的是讨论与在WWE中使用ART相关的挑战。方法:通过PubMed、MEDLINE和ISI Web of Science进行叙述性综述。纳入标准为原始研究、队列研究、病例系列、随机试验和纳入ART结果、ASM相互作用和WWE激素治疗的系统评价。没有全文的动物研究和摘要被排除在外。结果:目前关于ART在WWE中的应用、最合适的治疗方案和成功率的资料较少。目前的研究结果表明,抗逆转录病毒治疗对WWE是有效的,其活产率与未患癫痫的妇女相当。大多数癫痫控制良好的WWE在抗逆转录病毒治疗期间癫痫发作稳定,但有零星病例癫痫发作恶化的报道。ART激素治疗可与asm相互作用,需要监测治疗药物水平和剂量调整,特别是拉莫三嗪。酶诱导的asm会降低激素治疗的效果,需要增加黄体激素的剂量来支持黄体。WWE仍然有较高的妊娠并发症风险,但ART在适当管理时似乎尚未导致这些风险。结论:基于目前有限的研究,ART可能是一种可接受的、安全的WWE生育治疗方法,前提是癫痫控制得到优化,并仔细管理asm -激素的相互作用。ASM选择、治疗药物监测和多学科护理需要量身定制,以最大限度地提高生殖和神经预后。冷冻胚胎移植方案和单孕激素避孕也可以提高安全性。需要继续研究和临床监测,以进一步制定治疗策略和接受抗逆转录病毒治疗的WWE患者的长期预后。
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引用次数: 0
Fragile balance: Managing bone health in people with intellectual disability and epilepsy, an english multi-site study 脆弱的平衡:管理智力残疾和癫痫患者的骨骼健康,一项多地点的英语研究。
IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2025-10-26 DOI: 10.1016/j.seizure.2025.10.018
Rachel Menon , Charlotte Young , Madeline Dale , Matthew Allen , Joanne McCabe , Sarah Badger , Myles Appleyard , Georgios Mousailidis , Rachel Newman , Caryn Jory , Joanne Hammett , Abigail Swift , Coryn Jones , Indermeet Sawhney , Robert Winterhalder , Lance Watkins , Rohit Shankar

Background

People with intellectual disability (ID) experience poorer health outcomes than the general population, with epilepsy and polypharmacy contributing to further risks. Bone health is a neglected area, despite the established association between antiseizure medications (ASMs), (especially those cautioned by the UK Medicines and Healthcare products Regulatory Agency (MHRA)), and reduced bone mineral density. We aimed to evaluate prescribing practices, fracture risk, and bone health management in adults with ID and epilepsy attending specialist ID services.

Methods

A cross-sectional study was conducted across three English specialist ID epilepsy services between August 2021–August 2022. Data were collected from case-note review, including ASM prescribing, falls and fracture history, bone health monitoring, and protective treatments. Descriptive statistics, Chi-squared and Mann-Whitney U tests were conducted. Logistic regression was used to examine associations between ASM use and fracture risk.

Results

Of 484 adults analysed almost all (97%) were prescribed ≥1 ASM, with 18% receiving four or more and 63% receiving at least one MHRA-cautioned ASM. Over 25% on MHRA-cautioned ASMs had a history of fractures, yet 38% received no bone-protective treatment. Patients with severe-profound ID were prescribed significantly more ASMs than those with mild-moderate ID. Each additional ASM increased fracture risk by 37%, and each additional MHRA-cautioned ASM by 43%.

Conclusions

Adults with ID and epilepsy are frequently exposed to polypharmacy, including bone health–compromising ASMs, yet bone health monitoring and treatment remain suboptimal. Targeted strategies and ID-specific guidance are urgently required to reduce fracture risk and improve outcomes in this vulnerable group.
背景:智力残疾者(ID)的健康结果比一般人群差,癫痫和多种药物会增加进一步的风险。骨健康是一个被忽视的领域,尽管抗癫痫药物(asm)(特别是那些被英国药品和保健产品监管局(MHRA)警告的药物)和降低骨矿物质密度之间建立了联系。我们的目的是评估处方做法,骨折风险和骨健康管理的成人ID和癫痫患者参加专科ID服务。方法:在2021年8月至2022年8月期间,对三家英国专科ID癫痫服务机构进行横断面研究。数据收集自病例记录回顾,包括ASM处方、跌倒和骨折史、骨健康监测和保护性治疗。进行描述性统计、卡方检验和Mann-Whitney U检验。使用逻辑回归来检验ASM使用与骨折风险之间的关系。结果:在分析的484名成年人中,几乎所有(97%)的处方≥1个ASM, 18%的人接受4个或更多,63%的人接受至少一个mhra警告的ASM。在mhra警告的asm中,超过25%的患者有骨折史,但38%的患者没有接受过骨保护治疗。重度重度ID患者比轻度-中度ID患者使用更多的asm。每增加一个ASM,骨折风险增加37%,每增加一个mhra警告ASM,骨折风险增加43%。结论:成人ID和癫痫患者经常暴露于多种药物,包括损害骨骼健康的asm,但骨骼健康监测和治疗仍然不理想。迫切需要有针对性的策略和针对id的指导来降低这一弱势群体的骨折风险并改善预后。
{"title":"Fragile balance: Managing bone health in people with intellectual disability and epilepsy, an english multi-site study","authors":"Rachel Menon ,&nbsp;Charlotte Young ,&nbsp;Madeline Dale ,&nbsp;Matthew Allen ,&nbsp;Joanne McCabe ,&nbsp;Sarah Badger ,&nbsp;Myles Appleyard ,&nbsp;Georgios Mousailidis ,&nbsp;Rachel Newman ,&nbsp;Caryn Jory ,&nbsp;Joanne Hammett ,&nbsp;Abigail Swift ,&nbsp;Coryn Jones ,&nbsp;Indermeet Sawhney ,&nbsp;Robert Winterhalder ,&nbsp;Lance Watkins ,&nbsp;Rohit Shankar","doi":"10.1016/j.seizure.2025.10.018","DOIUrl":"10.1016/j.seizure.2025.10.018","url":null,"abstract":"<div><h3>Background</h3><div>People with intellectual disability (ID) experience poorer health outcomes than the general population, with epilepsy and polypharmacy contributing to further risks. Bone health is a neglected area, despite the established association between antiseizure medications (ASMs), (especially those cautioned by the UK Medicines and Healthcare products Regulatory Agency (MHRA)), and reduced bone mineral density. We aimed to evaluate prescribing practices, fracture risk, and bone health management in adults with ID and epilepsy attending specialist ID services.</div></div><div><h3>Methods</h3><div>A cross-sectional study was conducted across three English specialist ID epilepsy services between August 2021–August 2022. Data were collected from case-note review, including ASM prescribing, falls and fracture history, bone health monitoring, and protective treatments. Descriptive statistics, Chi-squared and Mann-Whitney U tests were conducted. Logistic regression was used to examine associations between ASM use and fracture risk.</div></div><div><h3>Results</h3><div>Of 484 adults analysed almost all (97%) were prescribed ≥1 ASM, with 18% receiving four or more and 63% receiving at least one MHRA-cautioned ASM. Over 25% on MHRA-cautioned ASMs had a history of fractures, yet 38% received no bone-protective treatment. Patients with severe-profound ID were prescribed significantly more ASMs than those with mild-moderate ID. Each additional ASM increased fracture risk by 37%, and each additional MHRA-cautioned ASM by 43%.</div></div><div><h3>Conclusions</h3><div>Adults with ID and epilepsy are frequently exposed to polypharmacy, including bone health–compromising ASMs, yet bone health monitoring and treatment remain suboptimal. Targeted strategies and ID-specific guidance are urgently required to reduce fracture risk and improve outcomes in this vulnerable group.</div></div>","PeriodicalId":49552,"journal":{"name":"Seizure-European Journal of Epilepsy","volume":"133 ","pages":"Pages 189-194"},"PeriodicalIF":2.8,"publicationDate":"2025-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145439945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predictive factors for early post-stroke seizures in a Hispanic population 西班牙裔人群中风后早期癫痫发作的预测因素。
IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2025-10-25 DOI: 10.1016/j.seizure.2025.10.016
Kleber Mosquera Rodríguez , María Álvarez Falcon , Andy Reinoso

Introduction

Post-stroke seizures complicate diagnosis and treatment, worsen neurological outcomes, increase the risk of recurrence, and hinder recovery. Evidence in Hispanic populations is limited, so this study provides relevant data for clinical contexts in Latin America.

Objective

To identify predictive factors for early-onset seizures after a cerebrovascular event in a Hispanic population.

Methods

A retrospective, observational, cross-sectional study was conducted at a tertiary care health institution in Ecuador during the period 2024. Adult patients with a confirmed diagnosis of cerebrovascular event were included, selected by non-probabilistic sampling. Cases with a history of epilepsy, different structural causes, ambiguous events, or incomplete clinical records were excluded. The diagnosis of seizures was based on clinical evaluation and complementary studies such as an electroencephalogram (EEG). Binary logistic regression (95 % CI, margin of error 0.05) was used to identify predictive factors.

Results

A total of 218 stroke patients were included, of whom 55 % (n = 120) had ischemic stroke and 45 % (n = 98) had hemorrhagic stroke. The average age was 62.9 years, and 65.6 % (n = 143) of the participants were men. Early post-stroke seizures occurred in 47.2 % (n = 103) of patients. Male sex showed a non-significant trend toward reduced seizure risk (Exp(B) = 0.524; adjusted p = 0.075), while diabetes mellitus was independently associated with an increased risk of seizures (Exp(B) = 3.542; adjusted p = 0.043). No significant associations were found with age, type of stroke, hypertension, history of previous stroke, or cortical involvement. Finally, hypertension was associated with a statistically significant delay in the time to onset of seizures after the cerebrovascular event (U = 1620; p = 0.015), with a median of 2 days (IQR: 1–3) in hypertensive patients.

Conclusion

Early seizures are a common post-stroke complication, particularly in women and patients with diabetes mellitus. This study, conducted in a Hispanic population, provides relevant evidence to improve management and prognosis in Latin American contexts. Early identification and management are crucial in reducing adverse outcomes.
卒中后癫痫发作使诊断和治疗复杂化,使神经系统预后恶化,增加复发风险,并阻碍康复。西班牙裔人群的证据有限,因此本研究为拉丁美洲的临床背景提供了相关数据。目的:确定西班牙裔人群脑血管事件后早发性癫痫发作的预测因素。方法:回顾性、观察性、横断面研究于2024年在厄瓜多尔的一家三级保健卫生机构进行。采用非概率抽样方法,纳入确诊为脑血管事件的成年患者。排除有癫痫史、不同结构原因、事件不明确或临床记录不完整的病例。癫痫发作的诊断是基于临床评估和补充研究,如脑电图(EEG)。采用二元logistic回归(95% CI,误差范围0.05)确定预测因素。结果:共纳入218例脑卒中患者,其中缺血性脑卒中占55% (n = 120),出血性脑卒中占45% (n = 98)。平均年龄为62.9岁,65.6% (n = 143)的参与者是男性。47.2% (n = 103)的患者发生脑卒中后早期癫痫发作。男性患者癫痫发作风险降低的趋势不显著(Exp(B) = 0.524;调整p = 0.075),而糖尿病与癫痫发作风险增加独立相关(Exp(B) = 3.542;调整p = 0.043)。与年龄、卒中类型、高血压、既往卒中史或皮层受累无显著相关性。最后,高血压与脑血管事件后癫痫发作时间延迟有统计学意义(U = 1620; p = 0.015),高血压患者的中位延迟为2天(IQR: 1-3)。结论:早期癫痫发作是卒中后常见的并发症,尤其是女性和糖尿病患者。本研究在西班牙裔人群中进行,为改善拉丁美洲患者的管理和预后提供了相关证据。早期识别和管理对于减少不良后果至关重要。
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引用次数: 0
Electroencephalographic manifestations of intracranial hypertension in a patient with ventriculoperitoneal shunt malfunction 脑室-腹膜分流功能障碍患者颅内高压的脑电图表现
IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2025-10-24 DOI: 10.1016/j.seizure.2025.10.017
E. Bernardi , V. Ros-Castelló , M. Coronel-Coronel , R. Lazzari , J.A. Aibar-Durán , A. Sierra-Marcos

Background

Differentiating epileptic seizures from manifestations of intracranial pressure (ICP) fluctuations can be challenging in patients with a ventriculoperitoneal shunt (VPS). We report a case of intermittent VPS malfunction presenting with focal motor events initially misdiagnosed as refractory status epilepticus.
A 27-year-old man with childhood-onset hydrocephalus treated with a right VPS and a previous history of focal epilepsy—managed with levetiracetam, perampanel, and lacosamide—presented with increased seizure frequency and intermittent headaches. Initial treatment included continuous infusions of valproate, lacosamide, and levetiracetam under the presumption of status epilepticus. However, prolonged (15-hour) video-EEG monitoring during the clinical events showed diffuse delta activity with suppression of the background rhythm rather than ictal discharges. These EEG changes coincided with episodes of arterial hypertension, profound bradycardia (as low as 20 bpm), and papilledema on funduscopic examination. Revision of the shunt system resulted in complete resolution of symptoms and withdrawal of antiseizure medications.

Conclusion

Extended video-EEG monitoring can be a useful tool to distinguish epileptic seizures from paroxysmal manifestations of paroxysmal intracranial hypertension due to VPS malfunction.
背景:在脑室-腹膜分流(VPS)患者中,区分癫痫发作与颅内压(ICP)波动的表现是具有挑战性的。我们报告一例间歇性VPS功能障碍,表现为局灶性运动事件,最初误诊为难治性癫痫持续状态。一名27岁男性,儿童期发病脑积水,接受右侧VPS治疗,既往有局灶性癫痫史(用左乙拉西坦、perampanel和lacosamide治疗),癫痫发作频率增加,间歇性头痛。初始治疗包括在假定癫痫持续状态下持续输注丙戊酸钠、拉科沙胺和左乙拉西坦。然而,在临床事件期间长时间(15小时)的视频脑电图监测显示弥漫性三角洲活动抑制背景节律,而不是初始放电。这些脑电图变化与动脉高血压、深度心动过缓(低至每分钟20次)和眼底检查的乳头水肿发作相吻合。分流系统的修改导致症状的完全解决和抗癫痫药物的退出。结论扩展视频脑电图监测可作为区分癫痫发作与VPS功能障碍引起的阵发性颅内高压的有效工具。
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引用次数: 0
Conventional clinical characteristics do not predict the result of genetic testing in adults with epilepsy 常规临床特征不能预测成人癫痫患者基因检测的结果
IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2025-10-22 DOI: 10.1016/j.seizure.2025.10.015
Wei Zhao , Yi-Lee Ting , Kaley J. Marcinski Nascimento , Sarah R. Poll , Daniel E. Pineda Alvarez , M. Brandon Westover , Fábio A. Nascimento

Background and objectives

Genetic testing in epilepsy has become increasingly available, and recommendations for its use have been set forth by professional society guidelines. The development of a user-friendly risk prediction model may aid providers in selecting adult patients with a high likelihood of receiving a positive genetic test result.

Methods

Adults who underwent multigene panel testing for epilepsy from March 2016 to June 2024 were divided into a training (n = 1449) and a testing set (n = 1450). We developed prediction models based on clinical characteristics using logistic regression and FasterRisk scores for positive genetic tests and evaluated their performance.

Results

The prediction models had poor discriminative power and failed to predict positive results, suggesting that conventional clinical characteristics (sex, intellectual disability, developmental delay, autism, medically refractory epilepsy, family history of epilepsy, and age at seizure onset) are insufficient for selecting patients for genetic testing.

Discussion

Our findings suggest that routine genetic testing may be broadly warranted for adults with unexplained epilepsy, as clinical characteristics alone appear unable to reliably identify which patients are likely to have positive results on multigene panels. Future models may benefit from incorporating physical exam findings, neuroimaging, and electroencephalogram data, as well as larger training sets.
背景和目的癫痫病基因检测的应用越来越广泛,专业协会指南也提出了相关建议。一个用户友好的风险预测模型的发展可能有助于提供者选择成人患者接受阳性基因检测结果的高可能性。方法将2016年3月至2024年6月接受癫痫多基因面板检测的成人患者分为训练组(n = 1449)和测试组(n = 1450)。我们建立了基于临床特征的预测模型,使用逻辑回归和FasterRisk评分对阳性基因检测进行评估。结果预测模型判别能力差,未能预测阳性结果,提示常规临床特征(性别、智力残疾、发育迟缓、自闭症、难愈性癫痫、癫痫家族史、发病年龄)不足以选择进行基因检测的患者。讨论:我们的研究结果表明,常规基因检测可能广泛适用于患有不明原因癫痫的成人,因为单独的临床特征似乎无法可靠地确定哪些患者可能在多基因面板上有阳性结果。未来的模型可能会受益于结合身体检查结果,神经成像和脑电图数据,以及更大的训练集。
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引用次数: 0
Relationship between cortical tuber subtypes and interictal epileptiform discharges in tuberous sclerosis complex: MRI and scalp-EEG study 结节性硬化症复合体中皮质结节亚型与间期癫痫样放电的关系:MRI和头皮-脑电图研究
IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2025-10-21 DOI: 10.1016/j.seizure.2025.10.014
Masamune Kimura , Masaya Togo , Kento Matoba , Mayumi Otani , Kenji Sekiguchi , Yosuke Fujimoto , Koji Chiba , Hiroaki Nagase , Riki Matsumoto

Purpose

To investigate association between magnetic resonance imaging (MRI)-defined cortical tuber subtypes and interictal epileptiform discharges (IEDs) in Tuberous sclerosis complex (TSC).

Methods

Twenty-three patients with TSC underwent brain MRI and scalp electroencephalogram (EEG). We analyzed total of 184 cerebral lobes (bilateral frontal, temporal, parietal, occipital). Tubers were classified into Types A, B, and C based on their signal intensity on MRI with T1-weighted (T1W), T2-weighted (T2W), and fluid-attenuated inversion recovery (FLAIR) images. Type A was isointense on T1W and subtly hyperintense on T2W/FLAIR, while Type B was hypointense on T1W and homogeneously hyperintense on T2W/FLAIR. Meanwhile, Type C was hypointense on T1W, hyperintense on T2W, and heterogeneous on FLAIR, characterized by a hypointense central region surrounded by a hyperintense rim. IEDs were detected using automated software and confirmed by expert visual inspection. The association between tuber subtypes and IED presence was assessed using multivariable generalized estimating equations (GEE). A negative binomial generalized linear mixed model (GLMM) was used to assess the association between tuber counts and IED frequency.

Results

Multivariable analyses revealed that Type C tubers were the only subtype independently associated with both the presence of IEDs (Adjusted odds ratio = 1.417, p = 0.011) and a higher frequency of IEDs (p < 0.001). The presence or number of Type A and B tubers were not significantly associated with either outcome.

Conclusions

Type C tubers demonstrate significantly higher cortical irritability than other subtypes, providing insights into varying irritability potential of different tuber types in TSC.
目的探讨磁共振成像(MRI)定义的皮质结节亚型与结节性硬化症(TSC)间期癫痫样放电(ied)的关系。方法对23例TSC患者进行脑MRI和头皮脑电图检查。我们共分析了184个脑叶(双侧额叶、颞叶、顶叶、枕叶)。根据块茎在MRI上t1加权(T1W)、t2加权(T2W)和流体衰减反演恢复(FLAIR)图像上的信号强度,将块茎分为A、B和C型。A型在T1W上呈等信号,T2W/FLAIR呈轻度高信号;B型在T1W上呈低信号,T2W/FLAIR呈均匀高信号。C型在T1W呈低信号,T2W呈高信号,FLAIR呈异质性,表现为中心呈低信号,边缘呈高信号。简易爆炸装置使用自动化软件检测,并由专家目视检查确认。使用多变量广义估计方程(GEE)评估块茎亚型与IED存在之间的关系。采用负二项广义线性混合模型(GLMM)评估块茎数量与IED频率之间的关系。结果多变量分析显示,C型块茎是唯一与ied的存在(校正优势比= 1.417,p = 0.011)和较高的ied发生率(p < 0.001)独立相关的亚型。A型和B型块茎的存在或数量与两种结果均无显著相关。结论C型块茎表现出明显高于其他亚型的皮质激惹性,揭示了不同块茎类型TSC的激惹潜能差异。
{"title":"Relationship between cortical tuber subtypes and interictal epileptiform discharges in tuberous sclerosis complex: MRI and scalp-EEG study","authors":"Masamune Kimura ,&nbsp;Masaya Togo ,&nbsp;Kento Matoba ,&nbsp;Mayumi Otani ,&nbsp;Kenji Sekiguchi ,&nbsp;Yosuke Fujimoto ,&nbsp;Koji Chiba ,&nbsp;Hiroaki Nagase ,&nbsp;Riki Matsumoto","doi":"10.1016/j.seizure.2025.10.014","DOIUrl":"10.1016/j.seizure.2025.10.014","url":null,"abstract":"<div><h3>Purpose</h3><div>To investigate association between magnetic resonance imaging (MRI)-defined cortical tuber subtypes and interictal epileptiform discharges (IEDs) in Tuberous sclerosis complex (TSC).</div></div><div><h3>Methods</h3><div>Twenty-three patients with TSC underwent brain MRI and scalp electroencephalogram (EEG). We analyzed total of 184 cerebral lobes (bilateral frontal, temporal, parietal, occipital). Tubers were classified into Types A, B, and C based on their signal intensity on MRI with T1-weighted (T1W), T2-weighted (T2W), and fluid-attenuated inversion recovery (FLAIR) images. Type A was isointense on T1W and subtly hyperintense on T2W/FLAIR, while Type B was hypointense on T1W and homogeneously hyperintense on T2W/FLAIR. Meanwhile, Type C was hypointense on T1W, hyperintense on T2W, and heterogeneous on FLAIR, characterized by a hypointense central region surrounded by a hyperintense rim. IEDs were detected using automated software and confirmed by expert visual inspection. The association between tuber subtypes and IED presence was assessed using multivariable generalized estimating equations (GEE). A negative binomial generalized linear mixed model (GLMM) was used to assess the association between tuber counts and IED frequency.</div></div><div><h3>Results</h3><div>Multivariable analyses revealed that Type C tubers were the only subtype independently associated with both the presence of IEDs (Adjusted odds ratio = 1.417, <em>p</em> = 0.011) and a higher frequency of IEDs (<em>p</em> &lt; 0.001). The presence or number of Type A and B tubers were not significantly associated with either outcome.</div></div><div><h3>Conclusions</h3><div>Type C tubers demonstrate significantly higher cortical irritability than other subtypes, providing insights into varying irritability potential of different tuber types in TSC.</div></div>","PeriodicalId":49552,"journal":{"name":"Seizure-European Journal of Epilepsy","volume":"133 ","pages":"Pages 149-156"},"PeriodicalIF":2.8,"publicationDate":"2025-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145364423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing diagnostic yield in functional seizures: A narrative review, design and implementation of a novel ictal testing battery for video telemetry 提高功能性癫痫的诊断率:一种用于视频遥测的新型关键测试电池的叙述回顾、设计和实现。
IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2025-10-20 DOI: 10.1016/j.seizure.2025.10.012
Elisaveta Sokolov , Rohan Kandasamy , Michael Kinney , Nigel Lyttle , Mahinda Yogarajah , Beate Diehl
Evaluation of behavioural impairment during functional seizures (FS) is critical for medical decision making, including accurate diagnosis, and future management recommendations. To date this type of behavioural evaluation in the setting of FS in an inpatient telemetry unit has not been closely reviewed. Here we perform a narrative review of the literature examining ictal testing and how best to improve diagnostic yield in the context of FS. We propose a novel ictal testing battery to obtain the most pertinent clinical information in people with functional seizures (PWFS). We then applied this novel ictal testing battery to patients as part of a service improvement project and compared it with the standard procedures in the video telemetry (VT) unit. This demonstrated significant improvement (Student’s T-Statistic of 2.284 and a p-value of 0.014) in the amount of FS-specific information extracted as identified in the review, suggesting that such a battery is useful and can be utilised in the VT setting.
评估功能性癫痫发作(FS)期间的行为障碍对医疗决策至关重要,包括准确的诊断和未来的管理建议。迄今为止,在住院遥测病房的FS设置中,这种类型的行为评估尚未得到仔细审查。在这里,我们执行一个叙述性回顾的文献检查临界测试和如何最好地提高诊断产量在FS的背景下。我们提出了一种新的关键测试电池,以获得最相关的临床信息的人与功能性癫痫发作(PWFS)。然后,作为服务改进项目的一部分,我们将这种新型的临界测试电池应用于患者,并将其与视频遥测(VT)单元的标准程序进行比较。这表明在综述中确定的提取fs特定信息的数量上有显着改善(学生t统计量为2.284,p值为0.014),表明这种电池是有用的,可以在VT设置中使用。
{"title":"Enhancing diagnostic yield in functional seizures: A narrative review, design and implementation of a novel ictal testing battery for video telemetry","authors":"Elisaveta Sokolov ,&nbsp;Rohan Kandasamy ,&nbsp;Michael Kinney ,&nbsp;Nigel Lyttle ,&nbsp;Mahinda Yogarajah ,&nbsp;Beate Diehl","doi":"10.1016/j.seizure.2025.10.012","DOIUrl":"10.1016/j.seizure.2025.10.012","url":null,"abstract":"<div><div>Evaluation of behavioural impairment during functional seizures (FS) is critical for medical decision making, including accurate diagnosis, and future management recommendations. To date this type of behavioural evaluation in the setting of FS in an inpatient telemetry unit has not been closely reviewed. Here we perform a narrative review of the literature examining ictal testing and how best to improve diagnostic yield in the context of FS. We propose a novel ictal testing battery to obtain the most pertinent clinical information in people with functional seizures (PWFS). We then applied this novel ictal testing battery to patients as part of a service improvement project and compared it with the standard procedures in the video telemetry (VT) unit. This demonstrated significant improvement (Student’s T-Statistic of 2.284 and a p-value of 0.014) in the amount of FS-specific information extracted as identified in the review, suggesting that such a battery is useful and can be utilised in the VT setting.</div></div>","PeriodicalId":49552,"journal":{"name":"Seizure-European Journal of Epilepsy","volume":"133 ","pages":"Pages 242-250"},"PeriodicalIF":2.8,"publicationDate":"2025-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145477347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ketogenic diet therapy enables antiseizure medication reduction and withdrawal in children with epilepsy 生酮饮食疗法使癫痫儿童抗癫痫药物减少和停药
IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY Pub Date : 2025-10-19 DOI: 10.1016/j.seizure.2025.10.013
Julia W. Zinger , Wim J.R. Rietdijk , Sarita van den Berg , Rinze F. Neuteboom , Elisabeth J. Ruijgrok , Elles J.T.M. van der Louw , A. Laura Nijstad

Aim

This study investigated the effectiveness of ketogenic diet therapy (KDT) in facilitating antiseizure medication (ASM) dose reduction and withdrawal in children with epilepsy. We aimed to determine the proportion of KDT responders able to reduce or withdraw ASMs within six months of starting KDT and to identify clinical factors associated with successful ASM withdrawal.

Methods

A retrospective evaluation for pediatric epilepsy patients treated with KDT at Erasmus MC-Sophia Children’s Hospital between 2008 and 2023 was conducted. Patients aged 0–18 years who successfully responded to, and remained on KDT for at least six months were included. Statistical analyses evaluated the association between clinical characteristics and ASM withdrawal.

Results

Of the 151 patients deemed as KDT responders, 27 % achieved successful withdrawal of at least one ASM after six months of KDT. The number of ASMs decreased from a mean of 2.6 at baseline to 2.4 at six months. Younger age at KDT initiation (OR 0.86, p = 0.018) and a lower baseline number of ASMs (OR 1.57, p = 0.016) were associated with higher odds of ASM withdrawal.

Interpretation

KDT is effective in enabling ASM withdrawal in one-fourth of the responding pediatric patients. Younger age and fewer initial ASMs predicted better withdrawal outcomes, supporting early ASM withdrawal within 3–6 months of KDT for appropriate candidates.
目的探讨生酮饮食疗法(KDT)促进癫痫患儿抗癫痫药物(ASM)减量和停药的效果。我们的目的是确定在开始KDT治疗的6个月内能够减少或戒除ASM的KDT应答者的比例,并确定与成功戒除ASM相关的临床因素。方法回顾性分析2008 - 2023年在伊拉斯谟-索菲亚儿童医院接受KDT治疗的儿童癫痫患者。患者年龄0-18岁,成功应答,并继续使用KDT至少6个月。统计分析评估临床特征与ASM戒断之间的关系。结果在151例KDT应答患者中,27%的患者在KDT治疗6个月后成功戒除了至少一个ASM。asm的次数从基线时的平均2.6次下降到6个月时的2.4次。更年轻的KDT起始年龄(OR 0.86, p = 0.018)和更低的ASM基线数(OR 1.57, p = 0.016)与更高的ASM戒断几率相关。解释:kdt在四分之一的儿科患者中有效地使ASM戒断。较年轻和较少的初始ASM预测更好的戒断结果,支持合适的候选人在KDT 3-6个月内早期戒断ASM。
{"title":"Ketogenic diet therapy enables antiseizure medication reduction and withdrawal in children with epilepsy","authors":"Julia W. Zinger ,&nbsp;Wim J.R. Rietdijk ,&nbsp;Sarita van den Berg ,&nbsp;Rinze F. Neuteboom ,&nbsp;Elisabeth J. Ruijgrok ,&nbsp;Elles J.T.M. van der Louw ,&nbsp;A. Laura Nijstad","doi":"10.1016/j.seizure.2025.10.013","DOIUrl":"10.1016/j.seizure.2025.10.013","url":null,"abstract":"<div><h3>Aim</h3><div>This study investigated the effectiveness of ketogenic diet therapy (KDT) in facilitating antiseizure medication (ASM) dose reduction and withdrawal in children with epilepsy. We aimed to determine the proportion of KDT responders able to reduce or withdraw ASMs within six months of starting KDT and to identify clinical factors associated with successful ASM withdrawal.</div></div><div><h3>Methods</h3><div>A retrospective evaluation for pediatric epilepsy patients treated with KDT at Erasmus MC-Sophia Children’s Hospital between 2008 and 2023 was conducted. Patients aged 0–18 years who successfully responded to, and remained on KDT for at least six months were included. Statistical analyses evaluated the association between clinical characteristics and ASM withdrawal.</div></div><div><h3>Results</h3><div>Of the 151 patients deemed as KDT responders, 27 % achieved successful withdrawal of at least one ASM after six months of KDT. The number of ASMs decreased from a mean of 2.6 at baseline to 2.4 at six months. Younger age at KDT initiation (OR 0.86, <em>p</em> = 0.018) and a lower baseline number of ASMs (OR 1.57, <em>p</em> = 0.016) were associated with higher odds of ASM withdrawal.</div></div><div><h3>Interpretation</h3><div>KDT is effective in enabling ASM withdrawal in one-fourth of the responding pediatric patients. Younger age and fewer initial ASMs predicted better withdrawal outcomes, supporting early ASM withdrawal within 3–6 months of KDT for appropriate candidates.</div></div>","PeriodicalId":49552,"journal":{"name":"Seizure-European Journal of Epilepsy","volume":"133 ","pages":"Pages 144-148"},"PeriodicalIF":2.8,"publicationDate":"2025-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145364422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Seizure-European Journal of Epilepsy
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