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8. Helicobacter pylori infection and risk of preeclampsia: a systematic review and meta-analysis.

Author

Nourollahpour Shiadeh, Malihe, Riahi, Seyed Mohammad, Adam, Ishag, Saber, Vafa, Behboodi Moghadam, Zahra, Armon, Bahram, Spotin, Adel, Nazari Kangavari, Hajar, and Rostami, Ali

Subjects
HELICOBACTER pylori infections, PREECLAMPSIA, META-analysis, CYTOTOXINS, PREGNANT women
Abstract

Objective: Helicobacter pylori is associated with many pregnancy adverse effects such as preeclampsia (PE). We performed this systematic review and meta-analysis study to assess the possible association between H. pylori infection and PE and this is the first meta-analysis to clarify this issue. Methods: PubMed, ISI (Web of Science), SCOPUS, and Google Scholar databases were searched (up to April 2017) to identify the relevant studies. The Meta-analysis of Observational Studies in Epidemiology and Preferred Reporting Items for Systematic Reviews and Meta-Analyses Protocols guidelines were used to do this study. Pooled odds ratio (OR) and 95% confidence intervals (CI) were estimated using a random-effects meta-analysis model. Heterogeneity was assessed with the χ2-based Q-test and I2 statistic. Results: A total of eight studies including 889 participants (460 preeclamptic women and 429 controls) met the eligibility criteria. A positive association was found between H. pylori infection and PE (OR: 3.35; 95% CI: 2.21-5.10). Heterogeneity was acceptable (χ2 = 13.39; I2 = 47.7, 95% CI: 0-77). In subgroup analysis, cytotoxin-associated antigen A seropositivity was a substantial risk factor for PE when immunoblotting methods (OR: 11.12; 95% CI: 5.34-23.16; χ2 = 6.42; I2 = 53.3, 95% CI: 0-85) were used, whereas it was not potential risk factor for PE when ELISA was used as a detecting method (OR: 1.11; 95% CI: 0.6-2.06; χ2 = 1.83; I2 = 0, 95% CI: 0-90). Conclusions: This study indicated that women with H. pylori infection, especially those infected with Cag A positive strains are more likely to have PE compared with the uninfected women. [ABSTRACT FROM AUTHOR]

Published
2019
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9. Suicide Mortality Trends in Four Provinces of Iran with the Highest Mortality, from 2006-2016

Author

Nazari Kangavari, Hajar, Shojaei, Ahmad, and Hashemi Nazari, Seyed Saeed

Subjects
Suicide, Interrupted Time series, Original Article, Mortality, Iran
Abstract

Background: Suicide is a major cause of unnatural deaths in the world. Its incidence is higher in western provinces of Iran. So far, there has not been any time series analysis of suicide in western provinces. The purpose of this study was to analyze suicide mortality data from 2006 to 2016 as well as to forecast the number of suicides for 2017 in four provinces of Iran (Ilam, Kermanshah and Lorestan and Kohgiluyeh and Boyer-Ahmad). Study design: Descriptive-analytic study. Methods: Data were analyzed by time series analysis using R software. Three automatic methods (Auto.arima, ETS (Error Transitional Seasonality) and time series linear model (TSLM)) were fitted on the data. The best model after cross validation according to the mean absolute error measure was selected for forecasting. Results: Totally, 7004 suicidal deaths occurred of which, 4259 were male and 2745 were female. The mean age of the study population was (32.05 ± 15.48 yr). Hanging and self-immolation were the most frequent types of suicide in men and women, respectively. The maximum and minimum number of suicides was occurred in July and August as well as January respectively. Conclusions: It is suggested that intervention measures should be designed in order to decrease the suicide rate particularly in the age group of 15-29 yr, and implemented as a pilot study, especially in these four provinces of Iran, which have a relatively high suicide rate.

Published
2017

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