Abstract:
:Although interictal spikes are thought to share pathophysiological mechanisms with partial-onset seizure discharges, positron emission tomographic studies of the interictal state have paradoxically shown focal hypometabolism whereas seizures produce hypermetabolism. To address this question, we performed functional mapping studies in an interictal spiking model in the rat. Recording screw electrodes were inserted through the skull bone so as to depress underlying cortex. Interictal spiking was subsequently induced by systemic administration of bicuculline methiodide. 2-deoxy[14C]glucose studies revealed increased glucose utilization in superficial and middle cortical layers at spiking screw sites. Nonspiking screw sites in the same animals and in controls did not show increased uptake. Convulsive seizures caused additional 2-deoxy[14C]glucose uptake at screw sites and in widespread forebrain areas. c-fos immunoreactivity occurred in superficial cortex at interictal spiking, but not nonspiking, sites. Convulsive seizures induced widespread forebrain c-fos immunoreactivity. These data suggest interictal epileptiform activity occurs in cells adjacent to cortical injury; these activate deeper layers via local connections. Interictal and ictal epileptiform states share common mechanisms, as both induce glucose hypermetabolism and immediate-early gene product activation. Possible reasons for failure to detect hypermetabolism in interictal human subjects are discussed.
journal_name
Ann Neuroljournal_title
Annals of neurologyauthors
Handforth A,Finch DM,Peters R,Tan AM,Treiman DMdoi
10.1002/ana.410350614subject
Has Abstractpub_date
1994-06-01 00:00:00pages
724-31issue
6eissn
0364-5134issn
1531-8249journal_volume
35pub_type
杂志文章abstract::A brief description is given of neurofibrillary changes of the paired helical filament type in a variety of chronic neurological diseases. These include subacute sclerosing panencephalitis, lead encephalopathy, tuberous sclerosis, Down syndrome, Hallervorden-Spatz disease, and lipofuscinosis. In these conditions, with...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410050311
更新日期:1979-03-01 00:00:00
abstract::Fifteen drug-free patients with early to midstage Huntington's disease were evaluated with quantitative neurological examinations, scales for functional capacity, computed tomographic (CT) scans, and positron emission tomographic (PET) scans of 18F-2-fluoro-2-deoxyglucose (18F-FDG) uptake. All patients had abnormal in...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410200305
更新日期:1986-09-01 00:00:00
abstract::Eighteen consecutive patients undergoing vestibular nerve surgery underwent pre- and postoperative examination of ocular motility. Five patients developed a skew deviation following surgery, with the lower eye on the operated side and an incomitant pattern of deviation in all cases. Three patients experienced diplopia...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410410115
更新日期:1997-01-01 00:00:00
abstract::Patients are understandably anxious if seizures occur immediately after temporal lobectomy. Such "neighborhood" seizures are commonly regarded as irrelevant to seizure outcome and discounted in outcome measurement. We conducted an in-depth examination of early postoperative seizures (<28 days) and outcome. The risk of...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.20372
更新日期:2005-02-01 00:00:00
abstract:OBJECTIVE:There are no validated methods for predicting the timing of seizures. Using machine learning, we sought to forecast 24-hour risk of self-reported seizure from e-diaries. METHODS:Data from 5,419 patients on SeizureTracker.com (including seizure count, type, and duration) were split into training (3,806 patien...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.25812
更新日期:2020-09-01 00:00:00
abstract::In a double-blinded, placebo-controlled, crossover study in seven mitochondrial myopathy patients (MM), we investigated whether lowering of lactate with dichloroacetate (DCA) can improve exercise tolerance and oxidative capacity in MM. DCA lowered plasma lactate at rest and during exercise (from 10.5 +/- 2.0 to 5.0 +/...
journal_title:Annals of neurology
pub_type: 临床试验,杂志文章,随机对照试验
doi:
更新日期:2001-05-01 00:00:00
abstract::We sought to determine whether medullary serotonergic neurons were affected in multiple system atrophy (MSA). Immunostaining for tryptophan hydroxylase was performed on serial 50 microm sections of the medulla of brains obtained at autopsy from six control subjects, eight subjects with clinical diagnosis of MSA, and f...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.20021
更新日期:2004-03-01 00:00:00
abstract::We demonstrated that an IgM M-protein from a patient with motor neuron syndrome had antibody activity against gangliosides GM1, GD1b, and asialo GM1. Studies with a sugar-binding lectin suggested that the epitope in the patient's M-IgM involved the Gal(beta 1-3) GalNAc moiety. Immunohistological techniques demonstrate...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410230517
更新日期:1988-05-01 00:00:00
abstract:OBJECTIVE:To assess the ability for visual search and recognition of roadside targets and safety errors during a landmark and traffic sign identification task in drivers with Parkinson's disease (PD). METHODS:Seventy-nine drivers with PD and 151 neurologically normal older adults underwent a battery of visual, cogniti...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.20958
更新日期:2006-10-01 00:00:00
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journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410420305
更新日期:1997-09-01 00:00:00
abstract::In a prospective phase I/II clinical study, we treated eight patients suffering from recurrent glioblastoma multiform with stereotactically guided intratumoral convection-enhanced delivery of an HSV-1-tk gene-bearing liposomal vector and systemic ganciclovir. Noninvasive identification of target tissue together with a...
journal_title:Annals of neurology
pub_type: 临床试验,杂志文章
doi:10.1002/ana.10688
更新日期:2003-10-01 00:00:00
abstract::We have developed a radioimmunoassay to measure a specific neurological component, the basic protein of myelin, and have used this test for assessing this component in spinal fluid. The levels of basic protein in spinal fluid correlate closely with the clinical activity of multiple sclerosis; therefore the test can be...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410080104
更新日期:1980-07-01 00:00:00
abstract::To determine the role of recombinant human erythropoietin as a possible treatment option in Friedreich's ataxia, we performed an open-label clinical pilot study. Primary outcome measure was the change of frataxin levels at week 8 versus baseline. Twelve Friedreich's ataxia patients received 5,000 units recombinant hum...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.21177
更新日期:2007-11-01 00:00:00
abstract::A 51-year-old man presented with a six-year history of gradually progressive exertional dyspnea. His complaint was attributed to increasing age, but evaluation finally led to a diagnosis of diaphragmatic paralysis. Neurological examination disclosed only minimal evidence of weakness of limb muscles. Electromyographic ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410090618
更新日期:1981-06-01 00:00:00
abstract::Autosomal dominant spinocerebellar ataxias (SCAs) are clinically and genetically a heterogeneous group of neurodegenerative disorders. Recently, mild CAG repeat expansion in the alpha1A voltage-dependent calcium channel gene has been found to be associated with a type of autosomal dominant SCA (SCA6). We analyzed 98 J...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410420609
更新日期:1997-12-01 00:00:00
abstract:OBJECTIVE:Friedreich ataxia (FRDA), an autosomal recessive neurodegenerative disease caused by mutations in the gene encoding for the mitochondrial protein frataxin, is characterized by ataxia and gait instability, immobility, and eventual death. We evaluated corneal confocal microscopy (CCM) quantification of corneal ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.25355
更新日期:2018-12-01 00:00:00
abstract::PINK1 was recently found to be associated with PARK6 as the causative gene. We performed mutation analysis in eight inbred families whose haplotypes link to the PARK6 region. We identified six pathogenic mutations (R246X, H271Q, E417G, L347P, and Q239X/R492X) in six unrelated families. All sites of mutations were nove...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.20251
更新日期:2004-09-01 00:00:00
abstract::In patients with the frontal variant of frontotemporal lobar degeneration (fv-FTLD), behavioral abnormalities may vary from apathy with motor slowness (apathetic form) to disinhibition with agitation (disinhibited form). These clinical presentations may be related to specific regional cerebral dysfunction and to defic...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.20365
更新日期:2005-02-01 00:00:00
abstract::Latency measurements between three potentials (waves I, III, and IV/V) of the human brainstem auditory response can allow early detection of certain posterior fossa lesions. The diagnostic use of these interwave latencies requires knowledge of what factors may prolong them in the absence of disease. Hypothermia appear...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410030416
更新日期:1978-04-01 00:00:00
abstract::We report the clinical, radiological, and neuropathological features of selective brainstem injury in an asphyxiated term infant. Disproportionate injury to thalamus, basal ganglia, and brainstem with relative sparing of cortex and subcortical white matter is observed occasionally after acute total asphyxia. Although ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410230115
更新日期:1988-01-01 00:00:00
abstract::By most measures, academic neurology is thriving as never before, yet convening forces are changing the face of academic neurology. This report focuses on changes that academic neurology and the American Neurological Association could undertake to seize new opportunities and resist damaging potential changes. These pr...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410390604
更新日期:1996-06-01 00:00:00
abstract::Reductions in cerebral metabolism sufficient to impair cognition in normal individuals also occur in Alzheimer's disease (AD). The degree of clinical disability in AD correlates closely to the magnitude of the reduction in brain metabolism. Therefore, we tested whether impairments in tricarboxylic acid (TCA) cycle enz...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.20474
更新日期:2005-05-01 00:00:00
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journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/1531-8249(20010201)49:2<267::aid-ana51>3.0
更新日期:2001-02-01 00:00:00
abstract:OBJECTIVE:C9orf72 expansion is the most common genetic cause of frontotemporal dementia (FTD). We examined aging trajectories of cortical thickness (CTh) and surface area in C9orf72 expansion adult carriers compared to healthy controls to characterize preclinical cerebral changes leading to symptoms. METHODS:Data were...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.25748
更新日期:2020-07-01 00:00:00
abstract::Although the carbonic anhydrase inhibitors have been used in the treatment of the primary periodic paralyses (PPs), their efficacy has not been demonstrated in double-blind, placebo-controlled trials. Therefore, we tested the efficacy of dichlorphenamide (DCP; Daranide), a potent carbonic anhydrase inhibitor, in the t...
journal_title:Annals of neurology
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
doi:
更新日期:2000-01-01 00:00:00
abstract::The post-poliomyelitis syndrome (PPS) refers to symptoms of new weakness, fatigue, and pain years after recovery from acute poliomyelitis. Oligoclonal IgG bands have been reported in the cerebrospinal fluid (CSF) from PPS patients, suggesting that the syndrome is immune mediated or caused by persistent viral infection...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410260604
更新日期:1989-12-01 00:00:00
abstract::Cytogenetic analysis has become an important part of the diagnostic evaluation of most hematological neoplasms. However, there is limited information on the value of cytogenetic analysis in most solid tumors, including cerebral astrocytomas. This report summarizes a prospective cytogenetic study of 99 human cerebral a...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410310512
更新日期:1992-05-01 00:00:00
abstract:OBJECTIVE:Chorioamnionitis is associated with increased risk for cerebral palsy (CP) in term infants. A functional polymorphism in the interleukin-6 (IL-6) gene has been implicated in newborn brain injury. We studied whether the IL-6 -174 G/C polymorphism confers increased risk for CP in term infants. METHODS:This pop...
journal_title:Annals of neurology
pub_type: 杂志文章,随机对照试验
doi:10.1002/ana.21766
更新日期:2009-11-01 00:00:00
abstract::Human T-cell lymphotropic virus type III (HTLV-III) has been isolated from neural tissues and cerebrospinal fluid (CSF) of patients with neurological syndromes associated with the acquired immune deficiency syndrome (AIDS) and the virus may be directly involved in the pathogenesis of the syndromes. To detect HTLV-III ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410200304
更新日期:1986-09-01 00:00:00
abstract::A 37-year-old homosexual man with the acquired immune deficiency syndrome (AIDS) developed progressive, ultimately fatal, neurological deficits 12 weeks after a course of cutaneous zoster. Premortem radiological procedures and cerebrospinal fluid analyses were nondiagnostic. At postmortem examination, several opportun...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410190212
更新日期:1986-02-01 00:00:00