NeurologyPub Date : 2025-04-08Epub Date: 2025-03-06DOI: 10.1212/WNL.0000000000209834
Rachel M Horne, Andrea Hollomotz, Helen L Ford, Shruthi Venkatachalam, Kharis Hutchison, Nikos Evangelou, Charley Baker, Suzanne Britt
{"title":"Reader Response: Right Brain: The Unraveling.","authors":"Rachel M Horne, Andrea Hollomotz, Helen L Ford, Shruthi Venkatachalam, Kharis Hutchison, Nikos Evangelou, Charley Baker, Suzanne Britt","doi":"10.1212/WNL.0000000000209834","DOIUrl":"https://doi.org/10.1212/WNL.0000000000209834","url":null,"abstract":"","PeriodicalId":19256,"journal":{"name":"Neurology","volume":"104 7","pages":"e209834"},"PeriodicalIF":7.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143573577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurologyPub Date : 2025-04-08Epub Date: 2025-03-17DOI: 10.1212/WNL.0000000000213468
Josefine Klakk, Betina B Trabjerg, Samuel F Berkovic, Chris Cotsapas, Churl-Su Kwon, Ruth Ottman, Julie Werenberg Dreier, Jakob Christensen
{"title":"Sex-Specific Patterns of Reproduction in People With Epilepsy: A Nationwide Cohort Study From Denmark.","authors":"Josefine Klakk, Betina B Trabjerg, Samuel F Berkovic, Chris Cotsapas, Churl-Su Kwon, Ruth Ottman, Julie Werenberg Dreier, Jakob Christensen","doi":"10.1212/WNL.0000000000213468","DOIUrl":"https://doi.org/10.1212/WNL.0000000000213468","url":null,"abstract":"<p><strong>Background and objectives: </strong>Reproduction is lower in male individuals compared with female individuals with epilepsy. The reason is unknown. We studied sex-specific reproduction in individuals with epilepsy and the role of epilepsy subtype and psychiatric comorbidity.</p><p><strong>Methods: </strong>We conducted a population-based register study in Denmark, using data from January 1, 1982, to December 31, 2021. Cox proportional hazard models were used to estimate adjusted hazard ratios (aHRs) with 95% CIs for the chance of having ≥1 child. We followed all persons from 15 years of age until birth of live-born offspring, 45 years of age, emigration, death, or end of follow-up (December 31, 2021), whichever occurred first. Epilepsy status was identified from the Danish National Patient Register. The primary outcome was the occurrence of live-born children identified from the Danish Medical Birth Register among persons with and without epilepsy.</p><p><strong>Results: </strong>We included 2,593,097 individuals (49% of female individuals), including 46,243 (1.8%) with epilepsy (mean age at diagnosis of 13.1 years [SD 9.2]). Compared with individuals without epilepsy, the aHR of having ≥1 child was reduced in both sexes with epilepsy, but lower in male individuals (0.59, 95% CI 0.57-0.60) compared with female individuals with epilepsy (0.72, 95% CI 0.71-0.74). By age 45 years, the probability of being childless was 45.9% in male individuals and 30.7% in female individuals with epilepsy, compared with 22.8% in male individuals and 14.1% in female individuals without epilepsy. Compared with persons without epilepsy, the chance of having a first child was lower in female individuals with focal epilepsy (aHR 0.61, 95% CI 0.58-0.64) than in female individuals with generalized epilepsy (aHR 0.72, 95% CI 0.69-0.75), and lower in male individuals with focal epilepsy (aHR 0.51, 95% CI 0.48-0.53) than in male individuals with generalized epilepsy (aHR 0.57, 95% CI 0.54-0.60). Reproduction was particularly low in persons with epilepsy and psychiatric comorbidity (male individuals: aHR 0.30, 95% CI 0.28-0.32; female individuals: aHR 0.51, 95% CI 0.48-0.53).</p><p><strong>Discussion: </strong>Individuals with epilepsy were less likely to become parents than individuals without epilepsy, and the association was stronger in male individuals and those with psychiatric comorbidity and varied with epilepsy subtype.</p>","PeriodicalId":19256,"journal":{"name":"Neurology","volume":"104 7","pages":"e213468"},"PeriodicalIF":7.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143649728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurologyPub Date : 2025-04-08Epub Date: 2025-03-12DOI: 10.1212/WNL.0000000000213374
Nathan W Churchill, Michael G Hutchison, Simon J Graham, Tom A Schweizer
{"title":"Post-Concussion Brain Changes Relative to Pre-Injury White Matter and Cerebral Blood Flow: A Prospective Observational Study.","authors":"Nathan W Churchill, Michael G Hutchison, Simon J Graham, Tom A Schweizer","doi":"10.1212/WNL.0000000000213374","DOIUrl":"https://doi.org/10.1212/WNL.0000000000213374","url":null,"abstract":"<p><strong>Background and objectives: </strong>Medical clearance for return to play (RTP) after sports-related concussion is based on clinical assessment. It is unknown whether brain physiology has entirely returned to preinjury baseline at the time of clearance. In this longitudinal study, we assessed whether concussed individuals show functional and structural MRI brain changes relative to preinjury levels that persist beyond medical clearance. Secondary objectives were to test whether postconcussion changes exceed uninjured brain variability and to correlate MRI findings with clinical recovery time.</p><p><strong>Methods: </strong>For this prospective observational study, healthy athletes without a history of psychiatric, neurologic, or sensory-motor conditions were recruited from a single university sport medicine clinic. Clinical and MRI data were collected at preseason baseline, and those who were later concussed were reassessed at 1-7 days after injury, RTP, 1-3 months after RTP, and 1 year after RTP. A demographically matched control cohort of uninjured athletes was also reassessed at their subsequent preseason baseline. Primary outcomes were postconcussion changes in MRI measures of cerebral blood flow (CBF), white matter mean diffusivity (MD), and fractional anisotropy (FA), evaluated using mixed models. Secondary outcomes were group differences in MRI change scores and correlations of change scores with days to RTP.</p><p><strong>Results: </strong>Of the 187 athletes enrolled in the study, 25 had concussion with follow-up imaging (20.3 ± 1.5 years, 56% male, 44% female) and were compared with 27 controls (19.7 ± 1.8 years, 44% male, 56% female). Concussed athletes showed statistically significant changes from baseline, including decreased frontoinsular CBF (mean and 95% CI -8.97 [-12.80, -5.01] mL/100 g/minute, z = -4.53), along with increased MD (1.94 × 10<sup>-5</sup> [1.26, 2.69] × 10<sup>-5</sup>, z = 5.48) and reduced FA (-7.30 × 10<sup>-3</sup> [-9.80, -5.05] × 10<sup>-3</sup>, z = -6.07) in the corona radiata and internal capsule. Effects persisted beyond RTP, although only CBF changes exceeded longitudinal variability in controls. For participants with longer recovery periods, significantly greater changes in medial temporal CBF were also seen (ρ = 0.64 [0.44, 0.81], z = 6.80).</p><p><strong>Discussion: </strong>This study provides direct evidence of persistent postconcussion changes in CBF and white matter at RTP and up to 1 year later. These results support incomplete recovery of brain physiology at medical clearance, with secondary analyses emphasizing the sensitivity of CBF to clinical recovery.</p>","PeriodicalId":19256,"journal":{"name":"Neurology","volume":"104 7","pages":"e213374"},"PeriodicalIF":7.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143616527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurologyPub Date : 2025-04-08Epub Date: 2025-03-06DOI: 10.1212/WNL.0000000000213488
L Paloma Rojas-Saunero, Yixuan Zhou, Eleanor Hayes-Larson, Yingyan Wu, Taylor Mobley, Roch A Nianogo, Holly Elser, Gilbert C Gee, Ron Brookmeyer, Rachel Whitmer, Paola Gilsanz, Elizabeth Rose Mayeda
{"title":"Effect of Incident Stroke on Dementia Risk Over 10 Years in a Cohort of Asian American and Non-Latino White Older Adults in California.","authors":"L Paloma Rojas-Saunero, Yixuan Zhou, Eleanor Hayes-Larson, Yingyan Wu, Taylor Mobley, Roch A Nianogo, Holly Elser, Gilbert C Gee, Ron Brookmeyer, Rachel Whitmer, Paola Gilsanz, Elizabeth Rose Mayeda","doi":"10.1212/WNL.0000000000213488","DOIUrl":"10.1212/WNL.0000000000213488","url":null,"abstract":"<p><strong>Background and objectives: </strong>Limited evidence exists on stroke incidence and its impact on dementia risk in Asian American older adults, a population with lower dementia risk than other racial and ethnic groups. We aimed to estimate the cumulative incidence of stroke and assess its effect on dementia risk over 10 years among Chinese, Filipino, Japanese, South Asian, and non-Latino White older adults in Northern California.</p><p><strong>Methods: </strong>This cohort study included Kaiser Permanente Northern California members who participated in surveys between 2002 and 2009 with linked electronic health record data through 2020. We included Chinese, Filipino, Japanese, South Asian, and non-Latino White participants aged 60-89 years without history of stroke or dementia at the time of survey (baseline). Incident stroke and incident dementia were identified using International Classification of Diseases codes. We estimated the cause-specific cumulative incidence of stroke at 10 years of follow-up using the Aalen-Johansen estimator. We estimated the effect of incident stroke on dementia risk with risk ratios and risk differences from a weighted Kaplan-Meier survival estimator. We used time-varying inverse probability weights to adjust for confounding and censoring due to loss to follow-up and death. In secondary analyses, we restricted the exposure to ischemic stroke.</p><p><strong>Results: </strong>We included 147,986 participants (Chinese [n = 6,034], Filipino [n = 4,649], Japanese [n = 3,099], South Asian [n = 996], non-Latino White [n = 133,208]); the mean baseline age ranged from 69 to 72 years, and the percentage of female participants ranged from 40% to 63% across groups. The 10-year cumulative incidence of stroke (95% CIs) ranged from 10.7% (9.9%-11.6%) for Chinese participants to 13.7% (12.4%-15.2%) for Japanese participants. Risk ratios relating incident stroke and dementia risk at 10 years of follow-up were 4.3 (3.0-6.4) for Chinese participants, 3.3 (2.2-4.6) for Filipino participants, 4.6 (2.5-6.6) for Japanese participants, 5.4 (1.5-12.4) for South Asian participants, and 2.9 (2.7-3.2) for non-Latino White participants. Restricting analyses to ischemic stroke yielded similar results.</p><p><strong>Discussion: </strong>Stroke incidence is high among Asian American and non-Latino White older adults and is associated with increased dementia risk in all groups. Future research needs to disentangle the pathophysiologic mechanisms involved in the acute event of stroke that trigger and accelerate dementia onset.</p>","PeriodicalId":19256,"journal":{"name":"Neurology","volume":"104 7","pages":"e213488"},"PeriodicalIF":7.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11889460/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143573571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurologyPub Date : 2025-04-08Epub Date: 2025-03-13DOI: 10.1212/WNL.0000000000213473
Francesco Biscarini, Stefano Vandi, Corrado Zenesini, Luca Vignatelli, Francesca Citeroni, Elena Antelmi, Christian Franceschini, Lucie Barateau, Yves Dauvilliers, Emmanuel Mignot, Giuseppe Plazzi, Fabio Pizza
{"title":"Use of Portable 24-Hour Polysomnography as Alternative Diagnostic Tool for Narcolepsy Type 1 in Adults and Children.","authors":"Francesco Biscarini, Stefano Vandi, Corrado Zenesini, Luca Vignatelli, Francesca Citeroni, Elena Antelmi, Christian Franceschini, Lucie Barateau, Yves Dauvilliers, Emmanuel Mignot, Giuseppe Plazzi, Fabio Pizza","doi":"10.1212/WNL.0000000000213473","DOIUrl":"https://doi.org/10.1212/WNL.0000000000213473","url":null,"abstract":"<p><strong>Background and objectives: </strong>The diagnosis of narcolepsy type 1 (NT1) currently requires the multiple sleep latency test (MSLT), or a nocturnal sleep-onset REM period (SOREMP) combined with typical cataplexy, or alternatively the determination of CSF hypocretin-1 (CSF-hcrt-1) deficiency. We evaluated the 24-hour polysomnography (PSG) recordings in adult and pediatric patients as an alternative diagnostic tool.</p><p><strong>Methods: </strong>Patients of any age, referred to the narcolepsy center of a university hospital for suspected central disorder of hypersomnolence (CDH), were consecutively recruited between 2013 and 2022. Participants underwent 2 days (day1-night1-day2-night2) of continuous dynamic PSG followed by MSLT. When consent was given, CSF-hcrt-1 was measured. The accuracy of 24-hour PSG variables from night1 and day2 (index test) was assessed with receiver operating characteristic (ROC) curve analysis in identifying NT1 based on current criteria (applied to night2-PSG, MSLT, and CSF-hcrt1). The markers with area under the curve (AUC) ≥0.75 were then tested in adults and children, separately, and to diagnose NT1 and narcolepsy type 2 (NT2) in different scenarios.</p><p><strong>Results: </strong>Eight hundred seven patients (30.1% pediatric, 52.4% male) were included, and 709 had CSF-hcrt-1 measured. According to the standard criteria, 322 were diagnosed with NT1 (mean age 26.7 ± 17.1 years, 40.4% pediatric, 54.0% male) and 484 with non-NT1 (mean age 32.7 ± 16.5 years, 23.3% pediatric, 51.3% male), encompassing 31 with NT2, 163 with idiopathic hypersomnia, and 281 with other diagnoses. Detecting SOREMP ≥1 during daytime resulted in AUC = 0.84 (95% CI 0.82-0.87), with 84.4% sensitivity and 84.5% specificity for NT1. Performance was superior to all nighttime-PSG measures (<i>p</i> < 0.001) including nighttime-SOREMP (AUC = 0.77, 95% CI 0.74-0.80; sensitivity = 62.1%, specificity = 91.7%) and did not differ from 24-hour SOREMP ≥1 (AUC = 0.85, 95% CI 0.82-0.87; sensitivity = 89.7%, specificity = 80.2%). The combination of daytime-SOREMP ≥1 with cataplexy showed AUC = 0.89 (95% CI 0.86-0.91) for NT1, superior to the combination of nighttime-SOREMP with cataplexy (AUC = 0.78, 95% CI 0.76-0.81, <i>p</i> < 0.001) and similar to MSLT criteria for narcolepsy (AUC = 0.90, 95% CI 0.88-0.92, <i>p</i> = 0.36). Performances were similar in adults and children. Daytime-SOREMP ≥1 identified NT1 and NT2 combined within all CDH with a sensitivity of 80.8% and specificity of 88.0%.</p><p><strong>Conclusions: </strong>The detection of daytime-SOREMP during dynamic 24-hour PSG is more accurate than nighttime-SOREMP for diagnosing narcolepsy and, combined with cataplexy, is comparable with MSLT criteria for the identification of NT1. These results offer the prospect of 24-hour PSG diagnostics for NT1 in the home setting.</p><p><strong>Classification of evidence: </strong>This study provides Class II evidence that daytime SOREMP during a 24","PeriodicalId":19256,"journal":{"name":"Neurology","volume":"104 7","pages":"e213473"},"PeriodicalIF":7.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143625402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Clinical Reasoning: A 19-Year-Old Woman With Progressive Weakness and Numbness in Her Arms and Legs.","authors":"Al-Alya Alsabah, Merve Kaleli, Negar Khanlou, Yigit Karasozen","doi":"10.1212/WNL.0000000000213495","DOIUrl":"https://doi.org/10.1212/WNL.0000000000213495","url":null,"abstract":"<p><p>Acute worsening of chronic weakness and numbness can have diagnostic challenges when trying to distinguish between acquired and hereditary conditions. We present the case of a 19-year-old patient who had acute worsening of chronic symmetric sensory and motor neuropathy with no response to intravenous immunoglobulin. Her story highlights the diagnostic approach for patients with atypical features of acquired vs genetic neuropathies and the importance of interpreting a \"pathogenic\" gene variant in this clinical context. Readers will explore the diagnostic steps our group has considered to reach our final diagnosis and the management of patients with complex neuropathy.</p>","PeriodicalId":19256,"journal":{"name":"Neurology","volume":"104 7","pages":"e213495"},"PeriodicalIF":7.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143557386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurologyPub Date : 2025-04-08Epub Date: 2025-03-14DOI: 10.1212/WNL.0000000000213465
Marek Sykora, Sven Poli, Michael Giannakakis, Joshua Mbroh, Alexandra Gomez Exposito, Stefan Krebs, Alexandra Posekany, Mira Katan, Susanne Wegener, Gian Marco De Marchis, Thomas Gattringer, Hannes A Deutschmann, Lukas Mayer-Suess, Jens Fiehler, Ulrike Ernemann, Florian Hennersdorf, Tomas Dobrocky, Zsolt Kulcsár, Pasquale Mordasini, Marios Psychogios, Christian Loewe, Elke R Gizewski, Christian H Nolte, Christian Neumann, Urs Fischer, Julia Ferrari
{"title":"Functional Outcome in Patients With Carotid Artery Dissection Undergoing Thrombectomy or Standard Medical Treatment.","authors":"Marek Sykora, Sven Poli, Michael Giannakakis, Joshua Mbroh, Alexandra Gomez Exposito, Stefan Krebs, Alexandra Posekany, Mira Katan, Susanne Wegener, Gian Marco De Marchis, Thomas Gattringer, Hannes A Deutschmann, Lukas Mayer-Suess, Jens Fiehler, Ulrike Ernemann, Florian Hennersdorf, Tomas Dobrocky, Zsolt Kulcsár, Pasquale Mordasini, Marios Psychogios, Christian Loewe, Elke R Gizewski, Christian H Nolte, Christian Neumann, Urs Fischer, Julia Ferrari","doi":"10.1212/WNL.0000000000213465","DOIUrl":"https://doi.org/10.1212/WNL.0000000000213465","url":null,"abstract":"<p><strong>Background and objectives: </strong>Whether thrombectomy compared with best medical treatment (BMT) improves outcome in patients with stroke and carotid artery dissection (CAD) is unknown.</p><p><strong>Methods: </strong>This was an international observational study based on prospective nationwide Austrian, German, and Swiss stroke registries. Patients with large vessel occlusion (LVO) due to CAD were compared according to treatment modality (thrombectomy vs BMT including intravenous thrombolysis) and to admission stroke severity NIH Stroke Scale (NIHSS) <6 vs NIHSS ≥6. The primary outcome was the favorable functional outcome (modified Rankin Score 0-2) at 3 months.</p><p><strong>Results: </strong>Of 1,023 patients (mean age 54 years, 72% males), 516 received thrombectomy and 507 received BMT. After robust adjustment, thrombectomy was associated with favorable outcome in patients presenting with NIHSS ≥6 (adjusted risk ratio (aRR) = 1.77, 95% CI 1.44-2.17). In those presenting with NIHSS <6, thrombectomy was associated with unfavorable outcome (aRR 1.68, CI 1.1-2.56) as compared with BMT.</p><p><strong>Discussion: </strong>Thrombectomy improved functional outcome in patients with LVO due to CAD and admission NIHSS ≥6, but not NIHSS <6 points.</p><p><strong>Classification of evidence: </strong>This study provides Class III evidence that for patients with LVO due to CAD and admission NIHSS ≥6 points, thrombectomy compared with BMT significantly increases the probability of favorable outcome.</p>","PeriodicalId":19256,"journal":{"name":"Neurology","volume":"104 7","pages":"e213465"},"PeriodicalIF":7.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143630691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurologyPub Date : 2025-04-08Epub Date: 2025-03-11DOI: 10.1212/WNL.0000000000213469
R Grace Couper, Tresah C Antaya, Melody Lam, Philip M Jones, Miguel F Arango, Mauricio Giraldo, Jorge G Burneo
{"title":"Epilepsy Risk Associated With the Receipt of General Anesthesia Relative to Neuraxial Anesthesia: A Retrospective Cohort Study.","authors":"R Grace Couper, Tresah C Antaya, Melody Lam, Philip M Jones, Miguel F Arango, Mauricio Giraldo, Jorge G Burneo","doi":"10.1212/WNL.0000000000213469","DOIUrl":"https://doi.org/10.1212/WNL.0000000000213469","url":null,"abstract":"<p><strong>Background and objectives: </strong>Evidence suggests that the receipt of general anesthesia may be associated with an increased risk of epilepsy compared with neuraxial (i.e., spinal or epidural) anesthesia. Our study objective was to estimate the risk of developing new-onset epilepsy associated with the receipt of general anesthesia relative to neuraxial anesthesia.</p><p><strong>Methods: </strong>We conducted a population-based retrospective cohort study using linked health administrative databases in Ontario, Canada. Participants who underwent an eligible surgical procedure with general or neuraxial anesthesia between April 1, 2007, and March 31, 2015, were included and followed for up to 5 years. Eligible surgical procedures included gynecologic, lower extremity, peripheral vascular, and urologic procedures that could be performed using general or neuraxial anesthesia. Patients with epilepsy or epilepsy risk factors in the 10 years before their surgical procedure were excluded. We used inverse probability of treatment weighting to control for confounding and Fine-Gray subdistribution models to estimate the hazard ratio for epilepsy, accounting for the competing risk of death.</p><p><strong>Results: </strong>The final sample included 100,547 patients who received general anesthesia and 76,644 patients who received neuraxial anesthesia. After weighting, the general and neuraxial anesthesia cohorts comprised 64.8% and 63.0% of women and the mean ages were 56.0 and 56.8 years, respectively. The estimated weighted event rates of epilepsy were 48.8 and 35.5 per 100,000 person-years for general and neuraxial anesthesia cohorts, respectively. The hazard ratio (HR) for epilepsy associated with general anesthesia was 0.61 at time zero (95% CI 0.34-1.07). However, there was evidence that risk changed over the five-year follow-up period (time interaction HR = 1.36, 95% CI 1.12-1.64). This led to a significantly increased risk of epilepsy associated with general anesthesia after approximately 3 years.</p><p><strong>Discussion: </strong>The effects of general anesthesia may take multiple years to become significantly associated with an increased risk of epilepsy. However, our findings are likely affected by other factors, such as unmeasured differences between the anesthesia cohorts, types of surgical procedures, and the occurrence of epilepsy risk factors during follow-up. Future research should explore whether there is effect modification between specific surgical procedures and control for the onset of epilepsy risk factors after anesthesia receipt.</p>","PeriodicalId":19256,"journal":{"name":"Neurology","volume":"104 7","pages":"e213469"},"PeriodicalIF":7.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143605858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurologyPub Date : 2025-04-08Epub Date: 2025-03-03DOI: 10.1212/WNL.0000000000213514
Tony X Phan, W Andrew Mullins, Aaron M Tetreault, Kiiya Shibata, Jayden L Lee, Kilian Hett, Ciaran M Considine, R Ryan Darby
{"title":"Transdiagnostic Network Localization of Social, Language, and Motor Symptoms in Patients With Frontotemporal Lobar Degeneration.","authors":"Tony X Phan, W Andrew Mullins, Aaron M Tetreault, Kiiya Shibata, Jayden L Lee, Kilian Hett, Ciaran M Considine, R Ryan Darby","doi":"10.1212/WNL.0000000000213514","DOIUrl":"https://doi.org/10.1212/WNL.0000000000213514","url":null,"abstract":"","PeriodicalId":19256,"journal":{"name":"Neurology","volume":"104 7","pages":"e213514"},"PeriodicalIF":7.7,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143605883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}