Dataset Information

Association between human cytomegalovirus and onset of epilepsy.

ABSTRACT: OBJECTIVE:To explore the association between human cytomegalovirus (HCMV) and epilepsy. METHODS:Epilepsy patients (n = 112) in neurology clinic of our hospital during January 2012 and December 2014 were allocated to the case groups, including intractable epilepsy group (n = 96) and non-intractable epilepsy group (n = 16). Healthy individual (n = 120) who received physical examination during the same period were allocated to the control group. The expression of serum HCMV late gene pp67-RNA was detected by reverse transcription-polymerase chain reaction (RT-PCR). The expressions of serum HCMV immunoglobulin G (IgG), immunoglobulin M (IgM) and interleukin-6 (IL-6) were detected by enzyme-linked immunosorbent assay (ELISA). Serum hypersensitive c-reactive protein (hs-CRP) was detected by latex-enhanced immunoturbidimetry. The electroencephalogram (EEG) of refractory epilepsy group, non-refractory epilepsy group and control group were recorded. RESULTS:The expression of pp67-mRNA was significantly higher in intractable epilepsy group than non-intractable epilepsy group (P < 0.05) and control group (P < 0.001). The HCMV-IgG positive rate and HCMV-IgM positive rate were significantly higher in intractable epilepsy group than control group (both P < 0.001). The HCMV-IgM positive rate was significantly higher in intractable epilepsy group than non-intractable epilepsy group (P < 0.001). The HCMV-IgM positive rate was significantly higher in non-intractable epilepsy group than control group (P < 0.001). The hs-CRP and IL-6 levels presented descending trends respectively in intractable epilepsy group, non-intractable epilepsy group and control group (all P < 0.001). CONCLUSION:HCMV was prominently expressed in epilepsy and might contribute to the development of epilepsy.

SUBMITTER: Lei HY

PROVIDER: S-EPMC4723818 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Association between human cytomegalovirus and onset of epilepsy.

Lei Hong-Yan HY Yang Dai-Qun DQ Li Yu-Xin YX Wang Li-Quan LQ Zheng Mei M

International journal of clinical and experimental medicine 20151115 11

<h4>Objective</h4>To explore the association between human cytomegalovirus (HCMV) and epilepsy.<h4>Methods</h4>Epilepsy patients (n = 112) in neurology clinic of our hospital during January 2012 and December 2014 were allocated to the case groups, including intractable epilepsy group (n = 96) and non-intractable epilepsy group (n = 16). Healthy individual (n = 120) who received physical examination during the same period were allocated to the control group. The expression of serum HCMV late gene ...[more]

PMID: 26884973

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Project description:Importance:The incidence of epilepsy is higher in older age than at any other period of life. Stroke, dementia, and hypertension are associated with late-onset epilepsy; however, the role of other vascular and lifestyle factors remains unclear. Objective:To identify midlife vascular and lifestyle risk factors for late-onset epilepsy. Design, Setting, and Participants:The Atherosclerosis Risk in Communities (ARIC) study is a prospective cohort study of 15?792 participants followed up since 1987 to 1989 with in-person visits, telephone calls, and surveillance of hospitalizations (10?974 invited without completing enrollment). The ARIC is a multicenter study with participants selected from 4 US communities. This study included 10?420 black or white participants from ARIC with at least 2 years of Medicare fee-for-service coverage and without missing baseline data. Data were analyzed betweeen April 2017 and May 2018. Exposures:Demographic, vascular, lifestyle, and other possible epilepsy risk factors measured at baseline (age 45-64 years) were evaluated in multivariable survival models including demographics, vascular risk factors, and lifestyle risk factors. Main Outcomes and Measures:Time to development of late-onset epilepsy (2 or more International Classification of Diseases, Ninth Revision codes for epilepsy or seizures starting at 60 years or older in any claim [hospitalization or outpatient Medicare through 2013]), with first code for seizures after at least 2 years without code for seizures. Results:Of the 10?420 total participants (5878 women [56.4%] and 2794 black participants [26.8%]; median age 55 years at first visit), 596 participants developed late-onset epilepsy (3.33 per 1000 person-years). The incidence was higher in black than in white participants (4.71; 95% CI, 4.12-5.40 vs 2.88; 95% CI, 2.60-3.18 per 1000 person-years). In multivariable analysis, baseline hypertension (hazard ratio [HR], 1.30; 95% CI, 1.09-1.55), diabetes (HR, 1.45; 95% CI, 1.17-1.80), smoking (HR, 1.09; 95% CI, 1.01-1.17), apolipoprotein E ?4 genotype (1 allele HR, 1.22; 95% CI, 1.02-1.45; 2 alleles HR, 1.95; 95% CI, 1.35-2.81), and incident stroke (HR, 3.38; 95% CI, 2.78-4.10) and dementia (HR, 2.56; 95% CI, 2.11-3.12) were associated with an increased risk of late-onset epilepsy, while higher levels of physical activity (HR, 0.90; 95% CI, 0.83-0.98) and moderate alcohol intake (HR, 0.72; 95% CI, 0.57-0.90) were associated with a lower risk. Results were similar after censoring individuals with stroke or dementia. Conclusions and Relevance:Potentially modifiable risk factors in midlife and the APOE ?4 genotype were positively associated with risk of developing late-onset epilepsy. Although stroke and dementia were both associated with late-onset epilepsy, vascular and lifestyle risk factors were significant even in the absence of stroke or dementia.

Project description:ImportanceTo date, few attempts have been made to examine associations between exposure to maternal epilepsy with or without antiepileptic drug (AED) therapy and pregnancy and perinatal outcomes.ObjectivesTo investigate associations between epilepsy in pregnancy and risks of pregnancy and perinatal outcomes as well as whether use of AEDs influenced risks.Design, setting, and participantsA population-based cohort study was conducted on all singleton births at 22 or more completed gestational weeks in Sweden from 1997 through 2011; of these, 1?424?279 were included in the sample. Information on AED exposure was available in the subset of offspring from July 1, 2005, to December 31, 2011. Data analysis was performed from October 1, 2016, to February 15, 2017.Main outcomes and measuresPregnancy, delivery, and perinatal outcomes. Multivariable Poisson log-linear regression was used to estimate adjusted risk ratios (aRRs) and 95% CIs, after adjusting for maternal age, country of origin, educational level, cohabitation with a partner, height, early pregnancy body mass index, smoking, year of delivery, maternal pregestational diabetes, hypertension, and psychiatric disorders.ResultsOf the 1?429?652 births included in the sample, 5373 births were in 3586 women with epilepsy; mean (SD) age at first delivery of the epilepsy cohort was 30.54 (5.18) years. Compared with pregnancies of women without epilepsy, women with epilepsy were at increased risks of adverse pregnancy and delivery outcomes, including preeclampsia (aRR 1.24; 95% CI, 1.07-1.43), infection (aRR, 1.85; 95% CI, 1.43-2.29), placental abruption (aRR, 1.68; 95% CI, 1.18-2.38), induction (aRR, 1.31; 95% CI, 1.21-1.40), elective cesarean section (aRR, 1.58; 95% CI, 1.45-1.71), and emergency cesarean section (aRR, 1.09; 95% CI, 1.00-1.20). Infants of mothers with epilepsy were at increased risks of stillbirth (aRR, 1.55; 95% CI, 1.05-2.30), having both medically indicated (aRR, 1.24; 95% CI, 1.08-1.43) and spontaneous (aRR, 1.34; 95% CI, 1.20-1.53) preterm birth, being small for gestational age at birth (aRR, 1.25; 95% CI, 1.13-1.30), and having neonatal infections (aRR, 1.42; 95% CI, 1.17-1.73), any congenital malformation (aRR, 1.48; 95% CI, 1.35-1.62), major malformations (aRR, 1.61; 95% CI, 1.43-1.81), asphyxia-related complications (aRR, 1.75; 95% CI, 1.26-2.42), Apgar score of 4 to 6 at 5 minutes (aRR, 1.34; 95% CI, 1.03-1.76), Apgar score of 0 to 3 at 5 minutes (aRR, 2.42; 95% CI, 1.62-3.61), neonatal hypoglycemia (aRR, 1.53; 95% CI, 1.34-1.75), and respiratory distress syndrome (aRR, 1.48; 95% CI, 1.30-1.68) compared with infants of unaffected women. In women with epilepsy, using AEDs during pregnancy did not increase the risks of pregnancy and perinatal complications, except for a higher rate of induction of labor (aRR, 1.30; 95% CI, 1.10-1.55).Conclusions and relevanceEpilepsy during pregnancy is associated with increased risks of adverse pregnancy and perinatal outcomes. However, AED use during pregnancy is generally not associated with adverse outcomes.

Dataset Information

Association between human cytomegalovirus and onset of epilepsy.

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Association between human cytomegalovirus and onset of epilepsy.

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