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Title: Children (10-12 years age) of women with epilepsy have lower intelligence, attention and memory: Observations from a prospective cohort case control study
Authors: Gopinath, N
Muneer, AK
Unnikrishnan, S
Varma, RP
Thomas, SV
Keywords: Neurosciences & Neurology
Issue Date: 2015
Citation: 117 ,;58-62
Abstract: Objective: To compare the cognitive outcome of children of women with epilepsy (CWE) with matched controls (CWO). Methods: CWE (10-12 years) under follow up in Kerala Registry of Epilepsy and Pregnancy (n= 190) were evaluated with WISC-IV, Trail Making Test (TMT), Rey Auditory Verbal Learning Test (RAVLT) and compared with age and sex matched children of women without epilepsy - CWO (n = 149) drawn from schools in the same region. The dosage was expressed as prescribed daily dose/daily-defined dose (PDD/DDD) ratio in order to make comparisons. Results: The Full Scale IQ of CWE (77.9 +/- 14.6) was 8.5 points lower than that of CWO (86.4 +/- 13.4), which was statistically significant (p=0.001). They performed lower on TMT Part A & B and RAVLT. The FSIQ mean +/- SD; PDD/DDD ratio and number of monotherapy exposure for different anti-epileptic drugs were phenobarbital: (74.5 +/- 14; 1.1 +/- 0.8; 22), valproate: (82.8 +/- 12.4; 0.3 +/- 0.1; 36), carbamazepine: (82.2 +/- 13.9; 0.6 +/- 0.3; 41), phenytoin: (82.6 +/- 13.5; 0.8 +/- 0.3; 11). The FSIQ for those exposed to phenobarbital was significantly (p =0.01) lower than others. The significant predictors of FSIQ differed at lower and higher ends of its spectrum. These predictors were low body mass index and low maternal education for FSIQ < 80 and low maternal education, low maternal IQ and high anti-epileptic drug dosage for FSIQ < 86. High anti-epileptic drug dosage, low maternal IQ and low paternal education were the predictors for FSIQ < 92. Significance: The IQ attention and memory were significantly lower for 10-12 year old CWE when compared to CWO. The important predictors of low FSIQ were antiepileptic drug dosage, maternal IQ and parental education. (C) 2015 Elsevier B.V. All rights reserved.
URI: 10.1016/j.eplepsyres.2015.09.003
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