Clinical Neurophysiology Practice最新文献

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Competence of healthcare professionals performing electroencephalography test: A systematic review 医疗保健专业人员执行脑电图测试的能力:系统回顾
IF 2
Clinical Neurophysiology Practice Pub Date : 2025-01-01 DOI: 10.1016/j.cnp.2025.03.001
Elina Linnavuori , Irina Virtanen , Minna Stolt
{"title":"Competence of healthcare professionals performing electroencephalography test: A systematic review","authors":"Elina Linnavuori ,&nbsp;Irina Virtanen ,&nbsp;Minna Stolt","doi":"10.1016/j.cnp.2025.03.001","DOIUrl":"10.1016/j.cnp.2025.03.001","url":null,"abstract":"<div><h3>Objective</h3><div>To describe the EEG competence of healthcare professionals and how this competence has been measured in previous literature.</div></div><div><h3>Methods</h3><div>A systematic review following the preferred Reporting Items for Systematic Reviews and Meta-Analyses. A literature search was conducted in CINAHL, PubMed, Scopus, and Web of Science databases focusing on studies that empirically examined the EEG competence of healthcare professionals.</div></div><div><h3>Results</h3><div>A total of 28 studies were included. EEG competence consists of two main categories: knowledge and skills of EEG, and attitudes and values towards EEG. The EEG competence of healthcare professionals was assessed in three different settings: tests, simulations, and real life. The data collection methods were knowledge tests, self-assessments, and observations. The tools were developed by a researcher(s) for the single study and were not psychometrically tested.</div></div><div><h3>Conclusion</h3><div>EEG competence is a multidimensional concept that includes knowledge, skills, attitudes, and values that need to be considered when defining EEG competence and developing tools to measure it.</div></div><div><h3>Significance</h3><div>This systematic review provides information to the educators of healthcare professionals and healthcare organizations involved in developing comprehensive EEG training programs and assessments to foster professional development and ensure reliable diagnostic test results for patients.</div></div>","PeriodicalId":45697,"journal":{"name":"Clinical Neurophysiology Practice","volume":"10 ","pages":"Pages 104-115"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143619968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two-year experience of a newly established epilepsy monitoring unit in a resource-limited setting 在资源有限的环境中新建立的癫痫监测单位的两年经验
IF 2
Clinical Neurophysiology Practice Pub Date : 2025-01-01 DOI: 10.1016/j.cnp.2025.02.012
Fridha V. Villalpando-Vargas , Fabrizio A. Mortola , Juan C. Barrera de León , Tania P. Sánchez-Murguía , Ilse M. Mora-Rodríguez , Jonathan A. Cisneros-Orozco , Andrea Enríquez-Zaragoza , Karla López-Jiménez , Alioth Guerrero-Aranda
{"title":"Two-year experience of a newly established epilepsy monitoring unit in a resource-limited setting","authors":"Fridha V. Villalpando-Vargas ,&nbsp;Fabrizio A. Mortola ,&nbsp;Juan C. Barrera de León ,&nbsp;Tania P. Sánchez-Murguía ,&nbsp;Ilse M. Mora-Rodríguez ,&nbsp;Jonathan A. Cisneros-Orozco ,&nbsp;Andrea Enríquez-Zaragoza ,&nbsp;Karla López-Jiménez ,&nbsp;Alioth Guerrero-Aranda","doi":"10.1016/j.cnp.2025.02.012","DOIUrl":"10.1016/j.cnp.2025.02.012","url":null,"abstract":"<div><h3>Objective</h3><div>Epilepsy Monitoring Units (EMUs) play a critical role in epilepsy management, yet they remain scarce in resource-limited settings. This study presents a 2-year experience of a newly implemented EMU in Mexico, evaluating its clinical impact, procedural metrics, and challenges. <em>Methods</em><strong>:</strong> This retrospective study included 117 patients admitted to the EMU of a private hospital in central-western Mexico between February 2023 and December 2024. Patients underwent tailored protocols for long-term video-EEG monitoring for diagnostic clarification, treatment optimization, or presurgical evaluation. Diagnostic and therapeutic outcomes, seizure yield, and safety metrics were described. <em>Results</em><strong>:</strong> The EMU facilitated diagnostic changes in 59% of patients, with 80.3% undergoing treatment modifications. Among presurgical evaluation patients, 80.8% exhibited seizures during admission. Seventy-two percent of patients achieved a favorable seizure outcome at one-year follow-up. Twelve patients underwent epilepsy surgery, with resective procedures being the most common. Status epilepticus and seizure clusters, occurred in 2.5% and 0.8% of patients, respectively. <em>Conclusion</em><strong>:</strong> The implementation of a high-quality EMU is achievable in resource-limited settings. <em>Significance</em>: This study highlights the importance of tailored protocols and multidisciplinary collaboration, providing a practical framework enhancing epilepsy care and bridging gaps in epilepsy management in underserved regions.</div></div>","PeriodicalId":45697,"journal":{"name":"Clinical Neurophysiology Practice","volume":"10 ","pages":"Pages 84-89"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intraoperative monitoring during awake craniotomy for glioblastoma resection in the second trimester of pregnancy. A case report and literature review 妊娠中期清醒开颅术中胶质母细胞瘤切除术的术中监测。病例报告及文献复习
IF 2
Clinical Neurophysiology Practice Pub Date : 2025-01-01 DOI: 10.1016/j.cnp.2025.02.006
Bayron A. Sandoval-Bonilla , Isela Valverde Luna , Aleida Arritola-Uriarte , Daniel San-Juan , Ricardo García-Iturbide , Alma Edith Gress Mendoza , Lorely Cumplido Pulido , Lizzette Hinojosa González , Alfredo Lara Bahena , Maria F. De la Cerda Vargas
{"title":"Intraoperative monitoring during awake craniotomy for glioblastoma resection in the second trimester of pregnancy. A case report and literature review","authors":"Bayron A. Sandoval-Bonilla ,&nbsp;Isela Valverde Luna ,&nbsp;Aleida Arritola-Uriarte ,&nbsp;Daniel San-Juan ,&nbsp;Ricardo García-Iturbide ,&nbsp;Alma Edith Gress Mendoza ,&nbsp;Lorely Cumplido Pulido ,&nbsp;Lizzette Hinojosa González ,&nbsp;Alfredo Lara Bahena ,&nbsp;Maria F. De la Cerda Vargas","doi":"10.1016/j.cnp.2025.02.006","DOIUrl":"10.1016/j.cnp.2025.02.006","url":null,"abstract":"<div><h3>Objective</h3><div>To demonstrate the feasibility and safety of awake craniotomy (AC) with intraoperative neurophysiological monitoring (IONM) for glioblastoma (GB) resection in a pregnant patient, ensuring preservation of neurological functions and fetal well-being.</div></div><div><h3>Methods</h3><div>A 27-year-old gravida 2, para 1 woman presented at 19.4 weeks of pregnancy with severe headaches and a generalized tonic-clonic seizure. Imaging confirmed a malignant glioma, and an interdisciplinary team opted for AC with IONM to achieve maximal tumor resection while minimizing maternal and fetal risks.</div></div><div><h3>Results</h3><div>Surgery was performed during the second trimester with successful gross total resection of the tumor. IONM strategies preserved neurological function, and fetal well-being was maintained. Postoperative evaluations showed no complications, and the patient was discharged in improved condition.</div></div><div><h3>Conclusions</h3><div>AC with IONM is a viable and safe surgical approach for GB resection during pregnancy. Tailoring the surgical plan by considering gestational age, maternal health, and fetal safety is crucial.</div></div><div><h3>Significance</h3><div>This case highlights the importance of multidisciplinary management in optimizing outcomes for pregnant patients with GB, contributing valuable insights to the limited literature on neurosurgical interventions during pregnancy.</div></div>","PeriodicalId":45697,"journal":{"name":"Clinical Neurophysiology Practice","volume":"10 ","pages":"Pages 63-69"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143580354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Longitudinal, EEG-based assessment of sleep in people with epilepsy: An automated sleep staging algorithm non-inferior to human raters 癫痫患者睡眠的纵向、基于脑电图的评估:一种不逊于人类评分者的自动睡眠分期算法
IF 2
Clinical Neurophysiology Practice Pub Date : 2025-01-01 DOI: 10.1016/j.cnp.2025.01.001
Asbjoern W. Helge , Federico G. Arguissain , Lukas Lechner , Gerhard Gritsch , Jonas Duun-Henriksen , Esben Ahrens , Tilmann Kluge , Manfred Hartmann
{"title":"Longitudinal, EEG-based assessment of sleep in people with epilepsy: An automated sleep staging algorithm non-inferior to human raters","authors":"Asbjoern W. Helge ,&nbsp;Federico G. Arguissain ,&nbsp;Lukas Lechner ,&nbsp;Gerhard Gritsch ,&nbsp;Jonas Duun-Henriksen ,&nbsp;Esben Ahrens ,&nbsp;Tilmann Kluge ,&nbsp;Manfred Hartmann","doi":"10.1016/j.cnp.2025.01.001","DOIUrl":"10.1016/j.cnp.2025.01.001","url":null,"abstract":"<div><h3>Objective</h3><div>There is an unmet need in epilepsy management for tools that measure sleep objectively over long timespans. Subcutaneous EEG is well-suited for the task, but it requires a reliable automatic algorithm. Here, we present and evaluate such an algorithm, and we show clinical examples of how it produces important information.</div></div><div><h3>Methods</h3><div>A mix of scalp EEG and subcutaneous EEG was used to develop an algorithm to output sleep stages and common sleep parameters. The algorithm was tested on unseen data from 11 healthy subject and 12 people with epilepsy (PwE). Lastly, data (&gt;3months) from three exemplary PwE were analyzed for sleep.</div></div><div><h3>Results</h3><div>The algorithm proved non-inferior at sleep stage segmentation on data from PwE compared to human raters using scalp EEG. It reached a Cohen’s kappa score of 0.8 [CI 0.78 – 0.83] on healthy subjects and on data from PwE it got to 0.705 [CI 0.663–––0.744] against rater D and 0.686 [CI 0.632–––0.739] against rater E. The three examples showed that useful information can be gained from longitudinal sleep analysis.</div></div><div><h3>Conclusion</h3><div>Subcutaneous EEG and a sleep algorithm can be employed to effectively review sleep in PwE at a level that is non-inferior compared to human raters.</div></div><div><h3>Significance</h3><div>This has the potential to make objective sleep parameters available in the clinic as a valuable addition to subjective sleep assessments.</div></div>","PeriodicalId":45697,"journal":{"name":"Clinical Neurophysiology Practice","volume":"10 ","pages":"Pages 30-39"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143175361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Within five weeks: Rapidly grown glioblastoma discovered on repeat MRI after pathologic EEG 5周内:病理脑电图后复查MRI发现快速生长的胶质母细胞瘤
IF 2
Clinical Neurophysiology Practice Pub Date : 2025-01-01 DOI: 10.1016/j.cnp.2025.02.002
Zsuzsanna Szankai , Egle Huggenberger , Christoph Metzler , Christian Musahl , Markus Gschwind
{"title":"Within five weeks: Rapidly grown glioblastoma discovered on repeat MRI after pathologic EEG","authors":"Zsuzsanna Szankai ,&nbsp;Egle Huggenberger ,&nbsp;Christoph Metzler ,&nbsp;Christian Musahl ,&nbsp;Markus Gschwind","doi":"10.1016/j.cnp.2025.02.002","DOIUrl":"10.1016/j.cnp.2025.02.002","url":null,"abstract":"<div><h3>Background</h3><div>According to the recommendations of the International League against Epilepsy, a timely workup with a brain MRI is recommended after a first epileptic seizure. However, if the MRI is unrevealing, it is normally not repeated.</div></div><div><h3>Case Presentation</h3><div>We present a patient with an unprovoked epileptic seizure and only slight focal abnormalities in the EEG and a normal brain MRI. Only 35 days later, after a third seizure and now a focally pathological EEG, we repeated the brain MRI and discovered a large mass in the left temporal lobe, which was resected and histologically classified as glioblastoma multiforme.</div></div><div><h3>Conclusion</h3><div>This case of a very fast-growing tumor suggests that recurrent seizures, with or without anti-seizure medications, or new changes in the EEG should prompt the clinician to consider a repeat brain MRI, even if the first scan was normal.</div></div>","PeriodicalId":45697,"journal":{"name":"Clinical Neurophysiology Practice","volume":"10 ","pages":"Pages 52-55"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143509100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The role of EEG in the emergency department: Its contribution to the patient’s diagnostic–therapeutic pathway. The EMINENCE study 脑电图在急诊科的作用:它对病人的诊断-治疗途径的贡献。隆起研究
IF 2
Clinical Neurophysiology Practice Pub Date : 2025-01-01 DOI: 10.1016/j.cnp.2025.02.010
Scarpino Maenia , Verna Maria Teresa , Grippo Antonello , Lolli Francesco , Piccardi Benedetta , Nazerian Peiman , Nencini Patrizia , Boccardi Cristina , Nencioni Andrea
{"title":"The role of EEG in the emergency department: Its contribution to the patient’s diagnostic–therapeutic pathway. The EMINENCE study","authors":"Scarpino Maenia ,&nbsp;Verna Maria Teresa ,&nbsp;Grippo Antonello ,&nbsp;Lolli Francesco ,&nbsp;Piccardi Benedetta ,&nbsp;Nazerian Peiman ,&nbsp;Nencini Patrizia ,&nbsp;Boccardi Cristina ,&nbsp;Nencioni Andrea","doi":"10.1016/j.cnp.2025.02.010","DOIUrl":"10.1016/j.cnp.2025.02.010","url":null,"abstract":"<div><h3>Objectives</h3><div>To investigate the utility of the emergency electroencephalogram(emEEG) in the diagnostic work-up of patients admitted to the Emergency Department(ED).</div></div><div><h3>Methods</h3><div>Data from consecutive patients admitted to the ED during a 1-year period. We evaluated the usefulness of emEEGs based on the subsequent patient clinical management.</div></div><div><h3>Results</h3><div>1125 emEEGs from 1018 patients were analyzed. The overall usefulness of an emEEG was 86.7%, mainly influenced by its contribution to diagnosis(75.0%), often excluding initial working diagnosis(50.0%), and to patient management(78.0%). EmEEGs showed their best overall usefulness in Status Epilepticus(SE) and altered level of consciousness both in contributing to the final diagnosis and in patient management and therapeutic pathway. In speech and cognitive/behavioural disorders, emEEGs contributed to the diagnosis(80.6% and 79.8%, respectively), often excluding the initial suspicion of seizures/SE. Normal emEEGs contributed to diagnosis(79.0%), patient management(87.0%) and discharge to home(82.0%).</div></div><div><h3>Conclusions</h3><div>In ED, attending physicians have to make quick decisions about the diagnostic–therapeutic management of patients, and also the ruling out of the initial diagnosis and safely discharging the patient to home are also important goals.</div></div><div><h3>Significance</h3><div>This study provides valuable guidance to ED clinicians in selecting patients for an emEEG and evaluates its contribution to their diagnostic–therapeutic management.</div></div>","PeriodicalId":45697,"journal":{"name":"Clinical Neurophysiology Practice","volume":"10 ","pages":"Pages 70-77"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143580355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to “Neurophysiological monitoring during anterior cervical discectomy and fusion for ossification of the posterior longitudinal ligament” [Clin. Neurophysiol. Pract. 6 (2021) 56–62] “颈椎前路椎间盘切除术和融合治疗后纵韧带骨化的神经生理监测”的勘误[临床。Neurophysiol。惯例6 (2021)56-62]
IF 2
Clinical Neurophysiology Practice Pub Date : 2025-01-01 DOI: 10.1016/j.cnp.2025.02.001
Jee-Eun Kim , Jun-Soon Kim , Sejin Yang , Jongsuk Choi , Seung-Jae Hyun , Ki-Jeong Kim , Kyung Seok Park
{"title":"Corrigendum to “Neurophysiological monitoring during anterior cervical discectomy and fusion for ossification of the posterior longitudinal ligament” [Clin. Neurophysiol. Pract. 6 (2021) 56–62]","authors":"Jee-Eun Kim ,&nbsp;Jun-Soon Kim ,&nbsp;Sejin Yang ,&nbsp;Jongsuk Choi ,&nbsp;Seung-Jae Hyun ,&nbsp;Ki-Jeong Kim ,&nbsp;Kyung Seok Park","doi":"10.1016/j.cnp.2025.02.001","DOIUrl":"10.1016/j.cnp.2025.02.001","url":null,"abstract":"","PeriodicalId":45697,"journal":{"name":"Clinical Neurophysiology Practice","volume":"10 ","pages":"Page 78"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143580360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cortical evoked responses to evaluate the effect of spinal cord stimulation on the pain pathways 皮质诱发反应评价脊髓刺激对疼痛通路的影响
IF 2
Clinical Neurophysiology Practice Pub Date : 2025-01-01 DOI: 10.1016/j.cnp.2025.04.003
Laurien J. Reinders, Cecile C. de Vos
{"title":"Cortical evoked responses to evaluate the effect of spinal cord stimulation on the pain pathways","authors":"Laurien J. Reinders,&nbsp;Cecile C. de Vos","doi":"10.1016/j.cnp.2025.04.003","DOIUrl":"10.1016/j.cnp.2025.04.003","url":null,"abstract":"<div><h3>Objectives</h3><div>The mechanisms of spinal cord stimulation (SCS) are insufficiently understood. Conditioned pain modulation (CPM) measures how a painful stimulus is affected by a second painful stimulus. We investigated whether cortical evoked response can be used to evaluate CPM in a patient treated with burst, tonic and sham SCS.</div></div><div><h3>Methods</h3><div>A 40-year-old patient underwent 3 magnetoencephalography sessions (burst, tonic, sham SCS) with 1-week intervals. Painful electrical stimuli were applied to the tibial nerve before, during and after CPM (conditioning: icepack on forearm). Evoked responses were analysed in the primary somatosensory and anterior cingulate cortices.</div></div><div><h3>Results</h3><div>Before CPM, the highest evoked response amplitude occurred under sham SCS, followed by tonic SCS. During CPM pain ratings remained unchanged. However, CPM reduced evoked response amplitudes in the primary somatosensory cortex under tonic and sham SCS and in the anterior cingulate cortex under all SCS paradigms.</div></div><div><h3>Conclusions</h3><div>CPM reduced evoked response amplitudes, while pain ratings were unaffected, suggesting neurophysiological measures provide additional insights into CPM effects. Tonic and burst SCS both appeared to reduce cortical capacity to attend to stimuli, with burst showing the greatest effect.</div></div><div><h3>Significance</h3><div>Cortical responses offer a valuable tool to assess pain pathways. Larger scale studies are needed to enhance our understanding of SCS mechanisms.</div></div>","PeriodicalId":45697,"journal":{"name":"Clinical Neurophysiology Practice","volume":"10 ","pages":"Pages 167-171"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143935730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correlation analysis between excitability in the somatosensory cortex and structural changes in amyotrophic lateral sclerosis 肌萎缩性侧索硬化症体感觉皮层兴奋性与结构变化的相关性分析
IF 2
Clinical Neurophysiology Practice Pub Date : 2025-01-01 DOI: 10.1016/j.cnp.2025.06.003
Aysegul Gunduz , Tuba Akıncı , Osman Aykan Kargın , Melih Tutuncu , Serdar Arslan , Nurten Uzun
{"title":"Correlation analysis between excitability in the somatosensory cortex and structural changes in amyotrophic lateral sclerosis","authors":"Aysegul Gunduz ,&nbsp;Tuba Akıncı ,&nbsp;Osman Aykan Kargın ,&nbsp;Melih Tutuncu ,&nbsp;Serdar Arslan ,&nbsp;Nurten Uzun","doi":"10.1016/j.cnp.2025.06.003","DOIUrl":"10.1016/j.cnp.2025.06.003","url":null,"abstract":"<div><h3>Objective</h3><div>We aimed to investigate the excitability of the somatosensory cortex and its relationship to structural changes in motor and sensory pathways, and motor excitability in amyotrophic lateral sclerosis (ALS).</div></div><div><h3>Patients and method</h3><div>We included all consecutive individuals with ALS, fulfilling the “definite” or “probable” ALS criteria. We recorded surround inhibition (SI) and recovery function (RC) of somatosensory evoked potentials (SEPs), resting motor threshold, and cortical silent period (cSP), and performed volumetric analysis and diffusion tensor imaging (DTI).</div></div><div><h3>Results</h3><div>We included 15 patients with ALS and 12 healthy individuals of similar age and sex. At the group level, the mean SEP-RC% at ISI 5 ms was higher in the ALS group than in healthy participants (all SEP-RC% at 5 ms p &lt; 0.001). SEP-SI was lost in one-third of individuals with ALS. A negative correlation was found between the duration of the cSP and SEP-RC%, whereas no correlations were observed between SEP parameters and radiological volumetric analysis of the corticospinal tract, medial lemniscus, or cortical thickness of the precentral and postcentral gyri.</div></div><div><h3>Conclusion</h3><div>Somatosensory hyperexcitability is present in ALS, and SI is lost in a subset of patients with ALS.</div></div><div><h3>Significance</h3><div>Somatosensory hyperexcitability correlates well with cSP but not with structural changes.</div></div>","PeriodicalId":45697,"journal":{"name":"Clinical Neurophysiology Practice","volume":"10 ","pages":"Pages 202-208"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144366657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Methotrexate-induced neurotoxicity: Diagnostic challenges and the role of neurophysiological testing 甲氨蝶呤诱导的神经毒性:诊断挑战和神经生理测试的作用
IF 2
Clinical Neurophysiology Practice Pub Date : 2025-01-01 DOI: 10.1016/j.cnp.2025.06.004
Pauline D’hoore , Joke Terryn
{"title":"Methotrexate-induced neurotoxicity: Diagnostic challenges and the role of neurophysiological testing","authors":"Pauline D’hoore ,&nbsp;Joke Terryn","doi":"10.1016/j.cnp.2025.06.004","DOIUrl":"10.1016/j.cnp.2025.06.004","url":null,"abstract":"<div><div>Methotrexate (MTX) is widely used in the treatment of acute lymphocytic leukemia (ALL) and other onco-hematological conditions. Although subacute MTX-related neurotoxicity is relatively rare, it can present with dramatic, fluctuating neurological deficits that mimic other serious conditions. Diagnosis may be complicated by the frequent presence of asymptomatic white matter abnormalities on MRI, commonly attributed to chronic MTX toxicity.</div><div>We report an 18-year-old ALL patient who developed severe, fluctuating neurological symptoms 11 days after the third intrathecal administration of MTX. MRI showed bilateral, symmetric diffusion-restrictive white matter lesions. Absent cortical motor evoked potentials (MEPs) with preserved responses to spinal stimulation indicated corticospinal tract involvement localized to the brain, supporting a diagnosis of MTX-induced neurotoxicity. Treatment with high-dose dextromethorphan led to rapid and complete recovery.</div><div>This case underscores the value of early neurophysiological testing – particularly MEPs – in identifying corticospinal tract involvement and differentiating symptomatic neurotoxicity from chronic, asymptomatic MRI findings. Prompt recognition can accelerate diagnosis, guide treatment, and prevent unnecessary interventions.</div></div>","PeriodicalId":45697,"journal":{"name":"Clinical Neurophysiology Practice","volume":"10 ","pages":"Pages 218-221"},"PeriodicalIF":2.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144501197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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