Incidence and Prevalence of Epilepsy in Adults in Eastern Finland

Keränen, Tapani; Riekkinen, Paavo; Sillanpää, Matti

doi:10.1111/j.1528-1157.1989.tb05320.x

Cited by 98 publications

(78 citation statements)

References 27 publications

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“…A number of studies report the incidence of epilepsy in specific age groups. These include studies of children, [32][33][34][35][36][37][38] adults, [39][40][41] and the elderly 42,43. Contrary to popular belief, epilepsy is a disease with onset at the extremes of life, we found a higher proportion of patients under 10 years of age and the elderly being very small in number. This finding is also not inconsistent with other studies, where provided, age-specific incidence is consistently high in the youngest age groups, with highest incidence occurring during the first few months of life.…”

Section: Discussionmentioning

confidence: 99%

Sensitivity and Specificity of Electroencephalography (EEG) Among Patients Referred to an Electrophysiology Lab in Bangladesh

Chowdhury¹,

Chowdhury²,

Khan³

et al. 2015

J Dhaka Med Coll

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Section: Discussionmentioning

confidence: 99%

Sensitivity and Specificity of Electroencephalography (EEG) Among Patients Referred to an Electrophysiology Lab in Bangladesh

Chowdhury¹,

Chowdhury²,

Khan³

et al. 2015

J Dhaka Med Coll

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“…The relative underrepresentation of elderly might also contribute to the lower proportion with remote symptomatic etiology, 15 vs. 21% (24% with the cases of neurologic deficit at birth) in the NGPSE (10,18). Remote symptomatic etiology increases with age, as was documented by several studies: 18% in a cohort of children with newly diagnosed epilepsy (19), 26% in a cohort of children with two or more seizures prospectively monitored from the time of their first unprovoked seizure (23), 31% in an Icelandic incidence survey (24), 35% in the Rochester study between 1935 and 1984 (25) and between 1980 and 1984 (16), 39% of the patients with unprovoked seizures in the Geneva study (26), 39% in a Finnish incidence survey (27), and 49% in a Swedish incidence survey (13), both in adults.…”

Section: Discussionmentioning

confidence: 99%

Newly Diagnosed Unprovoked Epileptic Seizures: Presentation at Diagnosis in CAROLE Study

Jallon¹,

Loiseau²,

Loiseau³

2001

Epilepsia

209

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Summary:Purpose: We describe first unprovoked seizures and newly diagnosed epilepsies at initial presentation, with a special emphasis on epilepsy syndromes, in a large cohort recruited in the mid-1990s in France.Methods: The French Foundation for Research on Epilepsy set up a network to conduct a prospective study of patients with newly diagnosed unprovoked seizures. Information was provided by 243 child or adult neurologists. Four neurologists classified each case according to the International League Against Epilepsy (ILAE) criteria. First-seizure patients and patients with previously undiagnosed seizures were compared.Results: Between May 1, 1995, and June 30, 1996, 1,942 patients aged from 1 month to 95 years were identified: 926 (47.7%) with a single seizure and 1,016 (52.3%) with newly diagnosed epilepsy. All but 17 patients had EEGs. In the firstseizure and newly-diagnosed-epilepsy groups, neuroimaging studies were performed in 78.2 and 68.3% of patients, and medication prescribed in 54.1 and 89.6%, respectively. There were significant differences between the two groups with respect to age at onset and diagnosis, sex, etiology, several specific syndromes, as well as the type and presentation of initial seizure. In patients for whom the first seizure was convulsive, only sex, multiple seizures in a day or status epilepticus, and cryptogenic localization-related syndrome differed between the two groups.Conclusions: Approximately half of patients who first came to attention for an unprovoked seizure already met epidemiologic criteria for epilepsy. There were significant differences between the types of patients with a first seizure and those with newly diagnosed epilepsy. One or several seizures at diagnosis did not influence the diagnostic assessment of the patients but had a strong influence on the initiation of treatment.

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“…ly at times, the 4-8‰ rate reported for industrialized countries [14][15][16][17][18][19][20][21][22] . The predominant type of seizure and the percentage of treated patients also differ; in Latin America, generalized seizures are most frequent [3,6,9] , and only a minority of patients receive antiepileptic drugs (AEDs) [23] .…”

mentioning

confidence: 99%

Epidemiological Survey of Epilepsy in the Primary School Population in Buenos Aires

Somoza¹,

Forlenza²,

Brussino³

et al. 2005

Neuroepidemiology

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Background: Most studies carried out in Latin America have shown greater rates of epilepsy and generalized seizures than those observed in developed countries, in spite of lower numbers of patients receiving treatment. To date, studies in Argentina have been insufficient to establish true prevalence. Objective: To determine the prevalence of epilepsy in primary school children in Buenos Aires, together with rates of different seizure types, treatments prescribed, diagnoses made and number of inadequate therapies administered, as well as the relationship between epilepsy and learning difficulties. Design and Method: A cross-sectional study was carried out on 10% of the entire primary school population of Buenos Aires through randomized, systematic, representative and conglomerate sampling of public and private school students. A total of 26,270 responses were received (83.1% of the population) to a specially designed questionnaire, with 96.4% sensitivity and 41.5% specificity, respectively. Interviews were conducted in all probable epilepsy cases as well as in a random sample of probable negative ones. Results: Eighty-four children with epilepsy were detected (lifetime prevalence 3.2‰; active prevalence 2.6‰), in whom generalized seizures predominated (57.1%). Ninety-three percent of cases diagnosed were currently under, or had previously received antiepileptic drug (AED) therapy. Almost 1% of the primary school population studied had a prior diagnosis and/or received AED for dysrhythmia or epilepsy. The percentage of grade repeaters in the general population and in children with epilepsy was 8.4 and 26.2%, respectively. Conclusions: (1) The prevalence of epilepsy in primary school children in Buenos Aires is similar to that reported for developed countries; (2) a slight prevalence for generalized seizures was observed; (3) 93% of cases received AEDs; (4) misdiagnoses and unnecessary treatments exceeded correct diagnoses and adequate therapy, and (5) disease presence and/or treatment were associated with poorer school performance.

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Incidence and Prevalence of Epilepsy in Adults in Eastern Finland

Cited by 98 publications

References 27 publications

Sensitivity and Specificity of Electroencephalography (EEG) Among Patients Referred to an Electrophysiology Lab in Bangladesh

Sensitivity and Specificity of Electroencephalography (EEG) Among Patients Referred to an Electrophysiology Lab in Bangladesh

Newly Diagnosed Unprovoked Epileptic Seizures: Presentation at Diagnosis in CAROLE Study

Epidemiological Survey of Epilepsy in the Primary School Population in Buenos Aires

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