Publications by authors named "Panayiotopoulos C"

To evaluate the clinical associations of adult-onset photosensitivity, we studied the clinical and EEG data of patients who were referred due to a possible first seizure and who had a photoparoxysmal response on their EEG. Patients with clinical evidence of photosensitivity before the age of 20 were excluded. Of a total of 30 patients, four had acute symptomatic seizures, two had vasovagal syncope, and 24 were diagnosed with epilepsy.

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Background: The shift from asylum to community care for mental health patients has burdened the providers of primary health care and, more than all, families. As a result, numerous studies [Soc Psychiatry Psychiatr Epidemiol 31:345-348, 1995, J Health Socisl Behav 36:138-150, 1995] have focused on the burden of care experienced by family members living with individuals with severe mental disorders. This kind of provision, also extols a significant cost to the society at large in terms of significant direct and indirect costs.

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A 4-year-old boy had an autonomic seizure of Panayiotopoulos syndrome during video-EEG recording. Interictal EEG showed multifocal spikes in the centrotemporal and left posterior regions. Ictal electrographic onset included fast rhythms in the left posterior regions progressing to a mixture of high-amplitude spikes and fast and slow rhythms, bilaterally.

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Many generalized tonic-clonic seizures are accompanied by profound autonomic changes. However, autonomic seizures and autonomic status epilepticus can also be seen with specific electroclinical syndromes (Panayiotopoulos syndrome), etiologies, and localizations. Such autonomic symptoms may impact cardiorespiratory function.

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Occipital lobe epilepsies (OLEs) manifest with occipital seizures from an epileptic focus within the occipital lobes. Ictal clinical symptoms are mainly visual and oculomotor. Elementary visual hallucinations are common and characteristic.

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Objective: To describe the clinical features of syncope-like epileptic seizures (SLES) and their frequency in Panayiotopoulos syndrome (PS).

Methods: This was a 6-year prospective study of all children aged 1-15 years referred for an EEG. PS was defined by the occurrence of at least one autonomic seizure (AS) in a neurodevelopmentally normal child and at least one EEG with focal spikes.

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This critical review refers to the new report on terminology and concepts for the organization of epilepsies by the Commission of the International League Against Epilepsy (ILAE). It is unfortunate that most of the proposals in the Commission's report are modified interpretations and nomenclature of previous ILAE classifications; new terms are not better than the old ones, and recent advances have not been incorporated. Hence, the new ILAE report met with considerable dissatisfaction from several expert epileptologists.

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The International League Against Epilepsy (ILAE) standardized classification and terminology for "epileptic seizures" of 1981 and "epilepsies and epileptic syndromes" of 1989 provide a fundamental framework for organizing and differentiating the epilepsies. However, a revision of these classifications is mandated by recent major technologic and scientific advances. Since 1997, the relevant ILAE Commissions have made significant efforts to achieve better and internationally uniform classifications as reflected in their reports of 2001, 2006, and 2010.

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Objective: To investigate the spatiotemporal course of interictal spikes in Panayiotopoulos syndrome (PS), and in particular whether seemingly independent extra-occipital spikes are truly autonomous or secondary, triggered by occipital spikes.

Methods: Seven children with the most representative interictal spike patterns on visual analysis were studied. Five had a single focus (occipital in two, suggestive of posterior to anterior spike propagation in two, and frontal) and two had two foci over the posterior and the anterior areas independently.

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The purpose of this review is to provide guidance for appropriate diagnosis and management of idiopathic childhood occipital epilepsy of Gastaut. The typical clinical features are visual seizures that typically consist of brief elementary visual hallucinations, which are mainly multicolored and circular. Ictal blindness and deviation of the eyes are also common symptoms.

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Purpose: To define the spectrum of the epileptic syndromes and epilepsies (other than the idiopathic epilepsies of childhood with occipital paroxysms) that can be associated with fixation-off sensitivity (FOS), delineate the electrographic types of FOS abnormalities and identify the patterns that can be associated with clinical seizures, and examine whether there may be a pure form of fixation-off sensitive epilepsy.

Methods: We reviewed the clinical and video EEG data of all our patients with FOS over the last 12 years. Children with idiopathic focal epilepsies and occipital EEG paroxysms were excluded.

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A big advance in epileptology has been the recognition of syndromes with distinct aetiology, clinical and EEG features, treatment and prognosis. A prime and common example of this is rolandic epilepsy that is well known by the general paediatricians for over 50 years, thus allowing a precise diagnosis that predicts an excellent prognosis. However, rolandic is not the only benign childhood epileptic syndrome.

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Purpose: To define the relationship between two syndromes of idiopathic generalized epilepsy (IGE) with apparently similar phenotypes: The form with generalized tonic-clonic seizures only (IGE-GTCS) and that with phantom absences (IGE-PA).

Methods: We compared the electroclinical features of 33 consecutive patients with GTCS and generalized spike wave (GSW); 18 had only GTCS and were diagnosed as IGE-GTCS, and 15 had hitherto unnoticed mild absences on the electroencephalography (EEG) and were diagnosed as IGE-PA. All patients were subjected to the same diagnostic workout, including video EEG during hyperventilation with breath counting (HBC).

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Purpose: To discuss and propose a definition of autonomic status epilepticus (SE), describe its clinical and EEG features, and review what is known about its epidemiology, pathophysiology, differential diagnosis, and management.

Methods: An international consortium of established researchers in the field was identified from their published work, agreed the purpose of the project, searched the literature, and, by use of e-mail communication, agreed the consensus document.

Results: Autonomic SE is a condition lasting at least 30 min and characterized by epileptic activity causing altered autonomic function of any type at seizure onset or in which manifestations consistent with altered autonomic function are prominent (quantitatively dominant or clinically important) even if not present at seizure onset.

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