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HCV and pregnancy: prevalence, risk factors, and pregnancy outcome in north Indian population: a case-control study.

ABSTRACT: OBJECTIVES: The study was carried out to investigate the prevalence, risk factors, and Pregnancy outcome in anti-HCV-positives pregnant women admitted for delivery in the Department of Obstetrics & Gynecology of Guru Gobind Singh Medical College and Hospital, Faridkot between January 2010 and January 2013. SETTING: Department of obstetrics and Gynaecology of GGS Medical College and Hospital, Faridkot. MATERIAL AND METHODS: A case-control study design was selected for the study. A total of 1412 pregnant women presenting in the labor room of our hospital between January 2010 and January 2013 were subjected to anti-HCV testing by third generation ELISA. Age, parity, and gestational age-matched controls were taken from the women delivering during the same time frame who tested negative for hepatitis C. All the subjects and controls were non-reactive for HIV and HBsAg as well. Risk factors and pregnancy outcome were compared with the control group. Approval was taken from ethic committee of the institute. The women who consented to participate in the study were evaluated on the basis of a questionnaire for the presence of risk factors of hepatitis C and pregnancy outcome. Women with the known previous liver disease were excluded from the study. Data were analyzed using SPSS for Windows version 16.0. p < 0.05 was considered significant. RESULTS: Forty patients tested positive for anti-HCV antibodies among 1,412 patients subjected to anti-HCV testing during study period. 40 patients were taken as controls, who were negative for anti-HCV antibodies. Prevalence of HCV during pregnancy was 2.8 % in our study. Among the risk factors studied, previous surgery and blood transfusion were the statistically significant risk factors. There was history of previous major surgery in 16 cases versus 4 controls and was statistically significant (p value 0.002) at p < 0.05. History of blood transfusion was present in 4 versus 2 among cases and controls, respectively, and statistically significant (p value 0.004) at p < 0.05. Sexual transmission was not the risk factor as none of the spouse of the pregnant women was positive for HCV antibodies. Neonatal outcome was similar in both groups. Pregnancy complications i.e., Pregnancy-induced hypertension and antepartum hemorrhage were significantly higher in study group compared to control group. CONCLUSION: Incidence of hepatitis C virus infection in pregnancy is 2.8 %. Surgical procedures, blood transfusion, are the major risk factors for transmission. There are no identifiable risk factors in 35 % of cases. Pregnancy complications like Pregnancy-induced hypertension and antepartum hemorrhage are more common in HCV-positive mothers. Neonatal outcome is not affected. Universal screening of all pregnant women should be done for HCV as many patients may not have any risk factor.

SUBMITTER: Goyal LD

PROVIDER: S-EPMC4199428 | biostudies-other | 2014 Oct

REPOSITORIES: biostudies-other

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Project description:BACKGROUND AND PURPOSE:Stroke is a multifactorial disease influenced by both genetic and environmental factors. The aim of this case-control study was to determine the association between ?-fibrinogen C148T (rs1800787) gene polymorphism and susceptibility to ischemic stroke (IS) in a North Indian population. METHODS:In the present case-control study, genotyping was performed using the PCR-RFLP (polymerase chain reaction-restriction fragment length polymorphism) method on 250 IS patients and 250 age- and sex-matched controls. Frequency distributions of genotypes and alleles were compared between the cases and controls by conditional logistic regression. RESULTS:Hypertension, diabetes, dyslipidemia, low socioeconomic status, and family history of stroke were found to be independent risk factors for IS. The mean age of the cases and controls was 52.83 ± 12.59 and 50.97 ± 12.70 years, respectively. Multivariate logistic regression analysis showed an independent association between ?-fibrinogen C148T (rs1800787) polymorphism and risk of IS in dominant (OR = 2.19; 95% CI 1.23-3.90; p = 0.007) and allelic (OR = 1.66; 95% CI 1.19-2.33; p = 0.002) models. Based on the Trial of Org 10172 in Acute Stroke Treatment (TOAST) classification, an independent association of small vessel disease with risk of IS was observed in the dominant (OR = 2.09; 95% CI 1.10-3.96; p = 0.02) and allelic (OR = 1.75; 95% CI 1.12-2.75; p = 0.01) models, and a significant association of cardioembolic stroke with risk of IS was seen in the allelic model (OR = 2.11; 95% CI 1.07-4.17; p = 0.02). All the genotype frequencies observed were in accordance with Hardy-Weinberg equilibrium in both cases and controls. CONCLUSION:The findings of the present study suggest that polymorphism in the C148T position of the ?-fibrinogen gene might be a risk factor for IS mainly for the small vessel disease stroke subtype in a North Indian population. Further, large prospective studies are required to confirm these findings.

Project description:ObjectivesCytokines and related molecules in immune-response pathways seem important in deciding the outcome of the host-pathogen interactions towards different polar forms in leprosy. We studied the role of significant and functionally important single-nucleotide polymorphisms (SNPs) in these genes, published independently from our research group, through combined interaction with an additional analysis of the in silico network outcome, to understand how these impact the susceptibility towards the disease, leprosy.DesignThe study was designed to assess an overall combined contribution of significantly associated individual SNPs to reflect on epistatic interactions and their outcome in the form of the disease, leprosy. Furthermore, in silico approach was adopted to carry out protein-protein interaction study between PARK2 and proinflammatory/anti-inflammatory cytokines.SettingPopulation-based case-control study involved the data of North India. Protein-protein interaction networks were constructed using cytoscape.ParticipantsStudy included the data available from 2305 Northern Indians samples (829 patients with leprosy; 1476 healthy controls), generated by our research group.Primary and secondary outcome measuresFor genotype interaction analysis, all possible genotype combinations between selected SNPs were used as an independent variable, using binary logistic regression with the forward likelihood ratio method, keeping the gender as a covariate.ResultsInteraction analysis between PARK2 and significant SNPs of anti-inflammatory/proinflammatory cytokine genes, including BAT1 to BTNL2-DR spanning the HLA (6p21.3) region in a case-control comparison, showed that the combined analysis of: (1) PARK2, tumour necrosis factor (TNF), BTNL2-DR, interleukin (IL)-10, IL-6 and TGFBR2 increased the risk towards leprosy (OR=2.54); (2) PARK2, BAT1, NFKBIL1, LTA, TNF-LTB, IL12B and IL10RB provided increased protection (OR=0.26) in comparison with their individual contribution.ConclusionsEpistatic SNP-SNP interactions involving PARK2 and cytokine genes provide an additive risk towards leprosy susceptibility. Furthermore, in silico protein-protein interaction of PARK2 and important proinflammatory/anti-inflammatory molecules indicate that PARK2 is central to immune regulation, regulating the production of different cytokines on infection.

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HCV and pregnancy: prevalence, risk factors, and pregnancy outcome in north Indian population: a case-control study.

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