Idiopathic epilepsies - A population based epidemiologic study.
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Date
2015-07
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Abstract
Background: There are only few epidemiological studies regarding
epilepsy from this region. The classification of epilepsies has not been
adequately stressed in these studies.
Objective: To assess the occurrence of idiopathic epilepsies in Punjab (A
region situated in the Indo-Gagentic Plains), India.
Methods: A door to door, cross - sectional epidemiological survey
covering an entire 103693 population residing in 74 contiguous villages
situated outside the municipal limits of the District Headquarter town.
Survey of all houses was done by general village level workers following
which detailed case work up was done by postgraduate physicians. Final
case identification was done by neurologists.
Results: Active epilepsy (n = 795) and inactive epilepsy (n = 128)
comprised 74.78 % and 12.04 % of total number of seizure cases (n =
1063) and 86.13 % and 13.87 % of all epilepsy cases (n = 923)
respectively. Non epileptic conditions comprised 11.74 % of total
number of seizure cases (n = 1063). Single and febrile seizures were
predominant among the non epileptic conditions being 6.2 % and 3.57
% of total number of seizure cases (n = 1063). Active epilepsy cases (n =
795) included electroclinical syndromes and constellations (n = 117,
14.72 %), symptomatic (n = 153, 19.24 %) and probably symptomatic
cases (n = 513, 64.53 %) and cases with dual diagnosis (n = 12, 1.51 %).
Idiopathic epilepsies (n = 112) consisted of idiopathic generalized
epilepsies (n = 111) and benign childhood epilepsy (n = 1). Juvenile
myoclonic epilepsy (n = 42) predominated idiopathic generalized
epilepsy cases (n = 111).
Conclusions: Use of different terminology, definitions and criteria for
diagnosis of various types of epilepsy precludes comparison between
this study and other studies. This study showed significant variation in
juvenile myoclonic epilepsy cases regarding sex distribution, diurnal
variation and precipitating factors as compared to other studies. These
differences need further confirmation.
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Keywords
Epilepsy, population - based epidemiology, idiopathic epilepsy, active epilepsy, electroclinical syndromes, symptomatic epilepsy
Citation
Hara HS, Singh M, Gupta A, Raj R, Hara PK. Idiopathic epilepsies - A population based epidemiologic study. International Journal of Medical and Dental Sciences. 2015 July; 4(2): 756-764.