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1.
Nonconvulsive Status Epilepticus in Adults: Thirty-Two Consecutive Patients from a General Hospital Population 总被引:2,自引:1,他引:2
We studied all adult patients who between 1984 and 1989 were initially diagnosed at our hospital as having nonconvulsive status epilepticus. Thirty-two patients fulfilled the criteria, which included ictal EEG recordings. The annual incidence was 1.5 in 100,000 inhabitants. The median age at onset of status was 51 years. Ten patients had status as their first epileptic manifestation, but most patients had a previous history of epilepsy. Median duration of epilepsy at onset of status was 4 years. Fourteen patients had focal ictal seizure activity on EEG and thus met the criteria for complex partial status. Eighteen patients had generalized seizure activity on EEG, but only 6 of these had a history of absence epilepsy or juvenile myoclonic epilepsy. None had Lennox-Gastaut syndrome. The clinical features of status in the remaining 12 patients were in some respects similar to those of the patients with complex partial status. We hypothesize that the EEG seizure activity in these patients may have been generalized from an initial focus. 相似文献
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Nonconvulsive status epilepticus may be subdivided into generalized (absence) status and complex partial status. The latter is regarded as a rarity, whereas the former constitutes the dominant part of the hitherto reported cases. We report 10 consecutive cases of adult patients with nonconvulsive status epilepticus, all documented by ictal electroencephalographic (EEG) recordings. Five had a complex partial status; the origin of the complex partial status appeared to be frontal in four of these patients. Three had recurrent complex partial seizures with incomplete recovery between seizures, and two had more continuous symptoms. One of the latter exhibited neither motor phenomena nor automatisms. The effect of diazepam or clonazepam was immediate in all 10 cases though transient in eight. A lasting control of the status was not achieved in six patients until i.v. phenytoin was added. The difficulties in the differentiation between complex partial status and absence status despite ictal EEG recordings are discussed, illustrated by a case with seizure discharges of a focal onset which rapidly generalized. The study indicates that complex partial status may be more common and the clinical expressions of absence status more variable than hitherto recognized. 相似文献
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Michele Sammaritano Frederick Andermann Denis Melanson Hanna M. Pappius Peter Camfield Jean Aicardi Allan Sherwin 《Epilepsia》1985,26(4):334-339
Following several days of partial status epilepticus, three patients developed striking focal cerebral edema as demonstrated by computed axial tomography (CT) scan. An angiogram done in one patient showed a capillary blush and early cortical draining veins in the corresponding area. All patients developed severe focal neurological deficit which resolved as the edema improved, and this was demonstrated on serial CT scans (at 6 months, 1 month, and 2 months, respectively). In the first patient, an underlying tumor, and in the second and third, vascular occlusions, were suspected because we were not aware that edema due to status epilepticus could produce changes of such intensity and duration. The neurological disability after the partial status was long-lasting but reversed completely in our patients. Maximal radiological changes occurred in the area of maximal epileptic discharge. Minimal atrophic changes persisted in two of the three patients. The clinical, CT scan, and angiographic findings suggest that partial status epilepticus can be associated with abnormal vascular permeability leading to prolonged focal cerebral edema. Similar pathophysiology of lesser intensity may be responsible for shorter postictal neurological deficits. Awareness of this clinical and radiological entity should avoid misdiagnosis of cerebral tumor or infarction. 相似文献
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Adrian M. Siegel Peter D. Williamson David W. Roberts Vijay M. Thadani Terrance M. Darcey 《Epilepsia》1999,40(7):845-855
PURPOSE: Ictal pain is a rare symptom of seizures. Epileptic pain may be experienced unilaterally (lateral/ peripheral), cephalically, or in the abdomen. Painful seizures have been associated with seizure origin in both the parietal and the temporal lobes. We report on the different types of epileptic pain and discuss its etiology and possible localizing value. METHODS: We reviewed the records of patients referred to our epilepsy program over the last 6 years. Eight (1.4%) of 573 patients had pain as an early prominent symptom of their seizures. RESULTS: Pain was predominantly unilateral in three patients, cephalic in two, and abdominal in three patients. Seizure onset was in or involving the parietal lobe in all patients, and when the painful symptoms were lateralized, they were contralateral to the side of seizure origin. Parietal lobe seizure origin was determined by both intracranial EEG recording and neuroimaging [magnetic resonance imaging (MRI), ictal single photon emission computed tomography (SPECT)] in five patients, and by both scalp EEG and neuroimaging in three patients. CONCLUSIONS: We conclude that ictal pain is a rare symptom of parietal lobe seizure origin with lateralizing potential. 相似文献
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Ictal Cortical Blindness with Permanent Visual Loss 总被引:5,自引:3,他引:2
Michael S. Aldrich Chris W. Vanderzant Anthony G. Alessi Bassel Abou-Khalil J. Chris Sackellares 《Epilepsia》1989,30(1):116-120
Cortical blindness is rarely an ictal manifestation. We report the case of a man who developed transient cortical blindness followed by permanent visual deficits during repeated partial seizures. Intermittent visual impairment began at age 14 years. After he had the first generalized seizure at age 28 years, neurologic, ophthalmologic, angiographic, and brain computed tomographic (CT) examinations were normal. Several EEGs showed almost continuous biposterior spike-waves. Over the next several years, frequent partial seizures were associated with transient visual loss and left body twitching or paresthesias. When he was 32, transient blindness occurred during several days of repeated occipital seizures. Permanent left homonymous hemianopia, right homonymous central scotoma, dyschromatopsia, and altered stereopsis followed these seizures. Brain CT demonstrated a new right occipital lesion. Partial seizures arising posteriorly may cause transient cortical blindness and result in permanent visual deficits. 相似文献
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J. Bogousslavsky 《Journal of neurology》1987,234(3):160-162
Summary A 65-year-old woman had reduced and slowed visually guided saccades contralateral to a parieto-occipital tumour, contrasting with normal voluntary saccades. Ipsilateral pursuit movements were also impaired. These findings suggest that the parieto-occipital region may be critical for generating all visually evoked eye movements. The full-field pursuit was more impaired than the foveal pursuit; this unusual dissociation may occur when the lesion involves more the interhemispheric than the intrahemispheric occipito-parietal connecting fibres. 相似文献
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Courtney J. Wusthoff Sarah M. Kranick James F. Morley A. G. Christina Bergqvist 《Epilepsia》2010,51(6):1083-1085
Prolonged status epilepticus (SE) can be refractory to conventional interventions, with high rates of subsequent morbidity and mortality. A high fat, low protein, low carbohydrate ketogenic diet (KD) has been used successfully to treat intractable epilepsy. However, its possible role in prolonged SE has not been well described. We report successful use of the KD in two adult patients with prolonged nonconvulsive SE (NCSE) refractory to multiple other interventions. Our observations suggest induction of ketosis may be a novel strategy to safely and effectively treat status in adults even after weeks to months of refractory seizures. Although there are few data regarding the use of the ketogenic diet in the treatment of adult epilepsy syndromes, it may be an option for the treatment of adults with refractory, prolonged SE. 相似文献
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Comparison of Status Epilepticus with Prolonged Seizure Episodes Lasting from 10 to 29 Minutes 总被引:8,自引:4,他引:4
R. J. DeLorenzo†‡¶ L. K. Garnett¶ A. R. Towne¶ E. J. Waterhouse¶ J. G. Boggs¶ L. Morton§¶ M. Afzal Choudhry¶ T. Barnes¶ D. Ko¶ 《Epilepsia》1999,40(2):164-169
Summary: Purpose: Status epilepticus (SE) is a major medical and a neurologic emergency associated with significant morbidity and mortality. The current definition of SE is continuous seizure activity or intermittent seizure activity without regaining consciousness, lasting ≥30 min. Epilepsy monitoring unit data indicate that many seizures self-terminate within minutes. Thus consideration was recently given to include seizure episodes lasting ≥10 min in the definition of SE. Because no large studies have been conducted on seizures lasting 10–29 min, this study was initiated to compare cases of SE and 10 to 29-min seizure episodes seen within the same period. Methods: Patients seen at the Medical College of Virginia Hospitals of Virginia Commonwealth University over the same 2-year period were studied. Two hundred twenty-six prospective SE cases (91 children and 135 adults) and 81 retrospective 10- to 29-min seizure episodes (31 children and 50 adults) were compared. A standardized data-entry-form system was compiled on each patient and was used to evaluate the data collected. Results: The 10- to 29-min seizure patients and the SE cases had similar demographic characteristics, such as sex, race, and age, and also had similar etiologies. The majority (93%) of SE cases required anticonvulsant (AED) treatment to control and stop seizure activity. In the 10- to 29-min group, 43% stopped seizing spontaneously, and the remainder (57%) required AED treatment to stop seizure activity. The mortality for the SE patients was 19% compared with 2.6% for 10- to 29-min group (p <0.001). In the 10- to 29-min group that stopped seizing spontaneously, the mortality was 0. In the 10- to 29-min patients that required AED treatment, the mortality was 4.4%. Conclusions: The results demonstrate that a significant number of patients experience seizure activity lasting from 10- to 29-min. Approximately half of these seizure events stopped spontaneously and did not require AED treatment. The other half of the patients responded quickly to medications and stopped seizing before the 30-min definition for SE. The overall mortality of this group was significantly lower than that of the patients with SE. The results demonstrate that further studies on the 10- to 29-min seizure group are needed to differentiate seizures that will stop spontaneously and those that will only stop with AED treatment. Because almost half of the prolonged seizures stopped spontaneously, further studies are needed before including prolonged seizure activity in the definition of SE. 相似文献
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Summary: The pathophysiologic and clinical significance of periodic lateralized epileptiform discharges (PLEDs) is unclear; whether PLEDs represent an ictal condition that should be treated remains uncertain. We performed FDG-positron emission computed tomography (FDG-ET) in a patient with PLEDs at 3 days, 18 days, and 10 weeks after onset. During left temporal PLEds, the initial scan showed intense hypermetabolism of the left mesiotemporal region. The second scan, performed when PLEDs were resolving, displayed reduced hypermetabolism. The follow-up scan, when PLEDs had resolved, showed left temporal hypometabolism. These findings, together with clinical evidence from the literature, are compatible with the interpretation that PLEDs represent partial status epilepticus (SE); whether vigorous therapy is required to prevent neuronal damage from this focal seizure activity remains uncertain. 相似文献
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Expression and function of the metabotropic purinergic P2Y receptor family in experimental seizure models and patients with drug‐refractory epilepsy
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Mariana Alves Rosa Gomez‐Villafuertes Norman Delanty Michael A. Farrell Donncha F. O'Brien Maria Teresa Miras‐Portugal Miguel Diaz Hernandez David C. Henshall Tobias Engel 《Epilepsia》2017,58(9):1603-1614
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Factors predicting outcome of surgery for intractable epilepsy with pathologically verified mesial temporal sclerosis 总被引:1,自引:0,他引:1
PURPOSE: To examine the subgroup of patients with medically intractable epilepsy receiving temporal lobectomies who have pathologically verified mesial temporal sclerosis (MTS) and to determine the relation of demographic and clinical factors, results of diagnostic testing, and details of the surgical procedure with prognosis for achieving control of seizures. METHODS: All patients receiving surgical treatment for intractable epilepsy between 1991 and 1998 at the University of Washington were reviewed. There were 118 patients who met inclusion criteria of adequate pathological analysis showing MTS without a progressive process and a minimum of 1-year follow-up. RESULTS: Only personal history of status epilepticus demonstrated significant (p = 0.0276) prediction of outcome, increasing the risk of surgical failure. No other factors were significant predictors of outcome, including history of febrile seizures, possible etiologic factors, EEG, magnetic resonance imaging (MRI) or neuropsychological testing results, or extent of resection. CONCLUSIONS: Many factors that have been previously described to predict favorable outcome in the overall group of patients receiving temporal lobe resections for intractable epilepsy are, in fact, predictors of MTS and lose their predictive value when the subgroup of patients with confirmed MTS is examined. Neurosurgical treatment of MTS can be very effective even in the presence of significant etiologic factors, or of bilateral or extratemporal abnormalities on EEG or MRI. 相似文献
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《Brain & development》2023,45(5):293-299
BackgroundFebrile infection-related epilepsy syndrome (FIRES) is a rare and catastrophic clinical syndrome occurring in previously healthy patients. Aetiology is still unknown and outcome usually poor. We describe a case of myoclonic prolonged super refractory status epilepticus (P-SRSE) in FIRES in a patient admitted to the paediatric intensive care unit of Padova, Italy.Case reportA previously healthy 14-year-old girl with onset of myoclonic status epilepticus after a mild febrile illness was admitted to our hospital with a diagnosis of FIRES. Extensive diagnostic work-up was inconclusive. Status epilepticus and electroclinical seizures recurred every time weaning from anaesthetic agents was attempted. Eventually, a vagal nerve stimulator (VNS) was implanted and cannabidiol (CBD) administered, 43 days and 70 days after P-SRSE onset, respectively. Two days after CBD introduction, status epilepticus weaned and the girl rapidly regained complete consciousness showing a brilliant and unexpected recovery. At last follow-up, 12 months later, she is 8-months seizure free on multiple antiseizure medications, has only mild neuropsychological impairment with no neurological and intellective deficit.ConclusionsTo our knowledge, this represents a unique case with an extremely favourable evolution with a possible effect of the association of VNS and CBD to traditional antiseizure medications. 相似文献