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PubMed1992

The psychotherapy of patients with complex partial seizures.

The direct neurological effect of complex partial seizures (CPS) is described, as is the psychological and interpersonal impact of the disorder, with emphasis on the iterative nature of the process. A model for the psychotherapy of CPS patients is presented that is based on an understanding of the neurological changes and continuous interaction between these changes and the psychological demands of adaptation.

Adaptation, Psychological↗
PubMed1998

[Tiagabine: recent findings and recommendations for dosage].

INTRODUCTION: Tiagabine causes GABA to remain in the synapses longer since it inhibits the protein GAT-1, which normally transports GABA for uptake by the glia and neurones. DEVELOPMENT: With its advantageous pharmacokinetics, it is particularly effective in patients with complex partial crises, and leads to complete control in 53% of new patients treated with tiagabine alone. Side effects are infrequent, especially when treatment with the drug is started gradually and increased weekly. The lowest effective dose has been found to be 15 mg/day. The usual maintenance dose is between 15 and 30 mg/day taken divided into 2 or 3 doses per day.

Dose-Response Relationship, Drug↗
PubMed2005

Use of serum prolactin in diagnosing epileptic seizures: report of the Therapeutics and Technology Assessment Subcommittee of the American Academy of Neurology.

OBJECTIVE: The purpose of this article is to review the use of serum prolactin assay in epileptic seizure diagnosis. METHODS: The authors identified relevant studies in multiple databases and reference lists. Studies that met inclusion criteria were summarized and rated for quality of evidence, and the results were analyzed and pooled where appropriate. RESULTS: Most studies used a serum prolactin of at least twice baseline value as abnormal. For the differentiation of epileptic seizures from psychogenic nonepileptic seizures, one Class I and seven Class II studies showed that elevated serum prolactin was highly predictive of either generalized tonic-clonic or complex partial seizures. Pooled sensitivity was higher for generalized tonic-clonic seizures (60.0%) than for complex partial seizures (46.1%), while the pooled specificity was similar for both (approximately 96%). Data were insufficient to establish validity for simple partial seizures. Two Class II studies were consistent in showing prolactin elevation after tilt-test-induced syncope. Inconclusive data exist regarding the value of serum prolactin following status epilepticus, repetitive seizures, and neonatal seizures. RECOMMENDATIONS: Elevated serum prolactin assay, when measured in the appropriate clinical setting at 10 to 20 minutes after a suspected event, is a useful adjunct for the differentiation of generalized tonic-clonic or complex partial seizure from psychogenic nonepileptic seizure among adults and older children (Level B). Serum prolactin assay does not distinguish epileptic seizures from syncope (Level B). The use of serum PRL assay has not been established in the evaluation of status epilepticus, repetitive seizures, and neonatal seizures (Level U).

Diagnosis, Differential↗
PubMed1998

Complex partial status epilepticus in late-onset MELAS.

A patient with recurrent episodes of complex partial status epilepticus and a distinctive pattern of periodic lateralized epileptiform discharges (PLEDs) is presented. The patient was subsequently shown to have a mitochondrial disorder of the MELAS type, a hitherto unreported association. The case illustrates that CPSE should be added to the list of possible causes of acute neurological deterioration in MELAS patients.

Diagnosis, Differential↗
PubMed2006

A case of auditory auras: application of general principles to define and localize the epileptogenic zone.

An illustrative case of auditory aura and complex partial seizures is presented to highlight challenges in the accurate localization of the epileptogenic zone. Application and interpretation of various diagnostic tools is discussed in this case using the North American approach to the localization of the epileptogenic zone. Whenever possible, the differences and similarities between the North American and the French/Italian approach for the localization of the epileptogenic zone are discussed.

Adult↗
PubMedDate not supplied

Complex partial seizures in young children.

We retrospectively analyzed the clinical manifestations of complex partial seizures (CPS) in children aged < or = 10 years using video and EEG telemetry and evaluated their course, investigations, management, and seizure status at follow-up. Seventeen patients with CPS were studied at the Prince of Wales Children's Hospital (POWCH) and Prince Henry Hospital (PHH) between 1987 and 1992. Because 15 of the 17 patients had intractable seizures, the population was selective. Mean age was 6.5 years; 4 patients were aged < or = 2 years. Clinical features were normal or mild intellectual handicap (13); hemiplegia (5); and infantile spasms preceding CPS (4); of these, 2 also had simple partial motor seizures. Structural abnormalities were noted on scanning in 9 patients. Eighty-seven seizures were reviewed. Mean duration of each clinical seizure was 59.7 s (total population), 108 s (subgroup 1, aged < or = 2 years), and 48.5 s (subgroup 2, aged > 2 years). Major ictal manifestations were auras (9), staring (9), autonomic changes (6), and automatisms (17). In subgroup 1, automatisms were simple and mainly oroalimentary and gestural. Two patients had no change in surface ictal recordings, and 2 had normal interictal EEGs. At follow-up, 8 patients were seizure-free for 6 months, 1 was partially controlled (more than two seizures a month), and 8 had intractable seizures (two or more seizures a month). Seven patients underwent operation for intractable epilepsy, and 4 achieved a class 1A outcome (Engel classification).

Automatism↗
PubMed1998

Surgical treatment of intractable epilepsy attributable to multiple sclerosis.

Surgically removing a focus of epileptogenicity attributable to a multiple sclerosis (MS) plaque has not previously been considered a treatment option. Medically intractable partial epilepsy due to a chronically situated MS plaque is uncommon because most cases are self-limiting or managed with antiepileptic medication. We report a case of partial epilepsy resulting from such a plaque situated at the gray-white interface in the anterior parahippocampal gyrus. A favorable outcome was achieved by resection of the epileptogenic area.

Adult↗
PubMed1996

Gabapentin associated with aggressive behavior in pediatric patients with seizures.

Gabapentin (GBP) is a new antiepileptic drug (AED) approved for adjunctive treatment of complex partial seizures with or without seizures secondarily generalization in adults. We report 2 children who received GBP for intractable seizures and who developed intolerable aggressive behavior requiring dose reduction or drug discontinuation. Behavioral changes should be recognized as a possible side effect of GBP, especially in mentally retarded children.

Acetates↗
PubMed1992

Interictal HM-PAO SPECT: a routine investigation in patients with medically intractable complex partial seizures?

Single photon emission computed tomography (SPECT) is increasingly being used as an adjunctive technique in the localisation of epileptogenic foci prior to surgery. As yet, few studies have been undertaken to establish the clinical associations of areas of reduced cerebral perfusion. Sixty-three consecutive patients (15 male, 48 female; median age 30 years, range 14-57 years) with medically intractable complex partial seizures (median/month 8, range 1-36) were investigated as outpatients. All had normal high resolution computerised X-ray tomography (CT) of brain. Twenty-seven (47%) exhibited significant perfusion defects on SPECT scanning with a rotating gamma camera system using Tc-99 HM-PAO. There were no significant differences between patients with normal and abnormal scans in terms of age at scanning or at onset of epilepsy or number of seizures. Patients with perfusion defects did, however, have longer median histories of epilepsy than those with normal scans (normal: 10 years, abnormal: 22 years; P = 0.01). Patients with abnormal scans were no more likely to have suffered febrile convulsions in early childhood. The correlation of abnormal SPECT scans with routine surface EEG recordings was poor with only 41% of cases showing clear agreement between the site of hypoperfusion and focal epileptic activity. It is not yet possible to predict clinically those patients who will exhibit perfusion defects on interictal TC-99 HM-PAO SPECT scanning.

Adolescent↗
PubMed1999

Ring chromosome 14 complicated with complex partial seizures and hypoplastic corpus callosum.

A Japanese male with mosaicism of ring chromosome 14 and chromosome 14 monosomy is described. He demonstrated the characteristic morphologic features of ring chromosome 14, in addition to mental retardation and epileptic seizures. Clusters of complex partial seizures, one of which originated in the left frontocentral region on electroencephalographic monitoring, were evident. His seizures responded to phenobarbital, and his mental and motor development was only mildly retarded. Magnetic resonance imaging revealed a hypoplastic corpus callosum, previously unknown in association with this syndrome.

Agenesis of Corpus Callosum↗
PubMed2005

Atypical language representation in patients with chronic seizure disorder and achievement deficits with magnetoencephalography.

PURPOSE: To characterize the relation between hemispheric asymmetries in language-specific brain activity and reading/spelling achievement by using magnetoencephalography (MEG). METHODS: Patients (n = 83) with medically intractable complex partial seizures of either left- or right-hemisphere origin were classified as having reading and/or spelling deficits (RS) or as not impaired (NI) by using standard achievement tests. All patients had undergone noninvasive functional mapping of receptive language cortex by using MEG as part of a preoperative seizure surgery evaluation. RESULTS: RS patients with left-hemisphere seizure onset exhibited relatively greater activation and earlier onset of late, language-specific MEG activity in posterior temporal and inferior parietal areas of the right as compared with the left hemisphere than did NI patients. These findings also were evident on an individual basis and were independent of global intellectual abilities. CONCLUSIONS: Reading and spelling achievement deficits in patients with complex partial seizures of left-hemisphere origin are associated with atypical language organization, possibly secondary to reorganization of language function to right-hemisphere areas that are not as efficient as homotopic areas in the left hemisphere in supporting reading and spelling functions.

Achievement↗
PubMedDate not supplied

Patterns of seizures observed in association with neurofibromatosis 1.

Clinical features of seizures occurring in a neurofibromatosis clinic population were examined in a retrospective study. Twenty-two individuals in a population of 359 persons with neurofibromatos 1 (NF1) had had one or more seizures. Age at first seizure ranged from 4 days to > 20 years. Patients were classified into five groups on the basis of medical history, seizure type, and EEG findings. Two patients had seizures in the first 3 months of life: 1 was born prematurely and had perinatal encephalopathy, and the other developed infantile spasms (IS) and had extensive growth of a plexiform neurofibroma. Two males had seizures in association with aqueductal stenosis. Six individuals had one or more generalized seizures with fever, and 3 had primary generalized epilepsy. Nine patients had complex partial seizures (CPS), which varied in clinical manifestations and response to antiepileptic drugs (AEDs). In none of the individuals with seizures in this study was a structural lesion in the brain visible by neuroimaging. Seizures appear to be relatively uncommon in individuals with NF1, and when they occur have a natural history similar to that of seizures in the general population.

Adolescent↗
PubMed2003

Complex partial seizures.

A 24 year old woman with a past history of febrile convulsions presents with a history of several episodes of 'funny turns' over a period of six months. She states she 'feels weird' before each episode. Her partner describes that she becomes verbally unresponsive, licks her lips, and makes other strange movements with her mouth. They usually last several minutes, after which she appears quite drowsy for half an hour. She recalls nothing of the event itself. Examination findings are normal. You take blood tests and arrange for an electroencephalogram.

Adult↗
PubMed1997

Early-onset benign occipital seizure susceptibility syndrome.

PURPOSE: Childhood epilepsy with occipital paroxysms (CEOP) is characterised by ictal visual hallucinations and occipital epileptiform activity on interictal EEG. A variant has been described with nonvisual symptoms including tonic head and eye deviation, vomiting, and episodes of partial status epilepticus. We fully documented the electroclinical features of such patients to determine whether classification separate from CEOP is justified. METHODS: This was a multicentre study with participating investigators submitting details of patients with idiopathic occipital seizures characterised by ictal head or eye deviation and vomiting. RESULTS: One hundred thirteen patients were recruited. Seizures began in early childhood (mean, 4.6 years) and occurred infrequently (mean total seizures, 3); 30% of patients had only a single seizure. Two thirds of seizures were nocturnal. Ictal eye deviation occurred in 79%, vomiting in 70%, and head deviation in 35%. Seizures were predominantly complex partial in type. Partial status epilepticus occurred in 44% of patients. Seventy-four percent of patients had occipital interictal EEG epileptiform activity, predominantly right sided, with fixation-off sensitivity. Extraoccipital EEG abnormalities occurred in 35% of patients. Prognosis was excellent: the mean duration of active seizures was 1 year. CONCLUSIONS: Although the two groups shared identical EEG features, the distinct clinical symptoms probably justify separate classification. Early-onset benign occipital seizure syndrome (EBOSS) is suggested as an appropriate name for the variant group.

Adolescent↗
PubMed1999

Components of attention in children with complex partial seizures with and without ADHD.

PURPOSE: To evaluate attentional difficulties in children with complex partial seizures, we reviewed the records of 12 children with complex partial seizures with attention deficient hyperactivity disorder (CPS/ADHD); 21 children with CPS without ADHD (CPS); 22 children with ADHD; and 15 control children. METHODS: Each child completed a computerized performance test (CPT), which evaluated sustained attention, inhibition of response, response time, and consistency of response. The ADHD groups also completed the CPT after a dose of methylphenidate. RESULTS: The results found poorest performance on the CPT by the CPS/ADHD group. Particular difficulty in attention was found for children with epilepsy regardless of the ADHD diagnosis. When methylphenidate was administered to the ADHD groups, both groups improved in performance on the CPT. CONCLUSIONS: Epilepsy may predispose children to attention problems that can significantly interfere with learning. Similar improvement for children with CPS/ADHD was found with methylphenidate compared with baseline as for children with ADHD but without CPS.

Adolescent↗
PubMed1993

Interictal heart rate patterns in partial seizure disorders.

Epileptogenic mesial temporal damage may alter interictal autonomic patterning. Analysis of heart rate variability in 19 patients with complex partial seizures revealed cases of persistent, high-amplitude, 4 to 9 per minute fluctuations in heart rate during alert waking. This pattern was most pronounced in poor candidates for anterior temporal lobe resection (2/19). The 4 to 9 per minute heart-rate variability pattern may emerge following diffuse, extratemporal, or bilateral mesial temporal damage, which interferes with descending forebrain influences on cardiovascular regulation.

Adolescent↗
PubMed1992

Serum prolactin response to metoclopramide during status epilepticus.

Transient elevation of serum prolactin frequently follows generalised tonic-clonic and complex partial seizures. However, the levels of prolactin during status epilepticus are not increased above the normal range. Exhaustion of central prolactin supplies has been proposed as a possible mechanism for the absence of prolactin increase during status epilepticus. To test this hypothesis we injected intravenous metoclopramide (10 mg) in eight consecutive patients with status epilepticus. One patient had generalised tonic-clonic status epilepticus. Seven patients had EEG-verified non-convulsive status epilepticus, consisting of one typical absence status, one atypical absence status and five complex partial status epilepticus. Metoclopramide raised the mean (SD) prolactin levels at least five-fold in all patients, from 5.8 (8.0) micrograms/l to 87.0 (39.0) micrograms/l, within 60 minutes after the injection. Thus the mechanism for low prolactin values in status epilepticus is not cellular depletion of stored prolactin, but more likely an altered regulation, presumably induced by prolonged seizure activity.

Aged↗