Dataset Information

Seroprevalence of Anti-Toxoplasma gondii Antibodies Among Pregnant Woman in South Khuzestan, Iran.

ABSTRACT: BACKGROUND:Acute toxoplasmosis may lead to congenital toxoplasmosis with fetal complications outcome during pregnancy. Anti- Toxoplasma gondii antibody seroprevalence is unclear in pregnant women of south of Khuzestan province, since limited data about T. gondii seroepidemiology has been published in pregnant women of this area (Abadan, Shadegan, Khoramshar). OBJECTIVES:The aim of this study was to clarify the status of T. gondii seroprevalence in pregnant women of south of Khuzestan province. MATERIALS AND METHODS:In this cross-sectional study, 501 full-term pregnant women were included. This study was carried out in Taleghani teaching hospital for six 6 months from May to October 2011. Informed consents signed by the patients were obtained. Blood IgG and IgM were measured using ELISA technique. The data was analyzed by SPSS 13 (Chicago, IL, USA). Chi-square test was used for comparison. RESULTS:The participants' age range was 15 to 45 years (average: 27.4 ± 13). Of the 501 pregnant women, 70.65 % (n = 354) were seronegative for T. gondii IgG and IgM antibodies. There were statistical relationships between IgG seroprevalence and age, as well as IgG seroprevalence and cat holding. CONCLUSIONS:There was high percentage of seronegative (70.65 %) IgG and IgM antibodies in full-term pregnant women. They were susceptible to acute toxoplasmosis; thus, prenatal screening was recommend in our province after cost-beneficial analyses.

SUBMITTER: Yad Yad MJ

PROVIDER: S-EPMC4138635 | biostudies-literature | 2014 May

REPOSITORIES: biostudies-literature

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Seroprevalence of Anti-Toxoplasma gondii Antibodies Among Pregnant Woman in South Khuzestan, Iran.

Yad Yad Mohammad Jafar MJ Jomehzadeh Nabi N Jafar Sameri Maryam M Noorshahi Nooshin N

Jundishapur journal of microbiology 20140501 5

<h4>Background</h4>Acute toxoplasmosis may lead to congenital toxoplasmosis with fetal complications outcome during pregnancy. Anti- Toxoplasma gondii antibody seroprevalence is unclear in pregnant women of south of Khuzestan province, since limited data about T. gondii seroepidemiology has been published in pregnant women of this area (Abadan, Shadegan, Khoramshar).<h4>Objectives</h4>The aim of this study was to clarify the status of T. gondii seroprevalence in pregnant women of south of Khuzes ...[more]

PMID: 25147724

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Project description:Seroprevalence of Toxoplasma gondii has been extensively studied in wild boars worldwide due to the emerging risk for human infection through meat consumption. However, this is the first study that reports toxoplasmosis seroprevalence in wild boars, wild boar hunters and their hunting dogs. The aim of the present study was to evaluate the seroprevalence of anti-T. gondii antibodies in the complex wild boars, hunting dogs and hunters, and to determine the risk factors associated with seropositivity in southern and central-western Brazil. Overall, anti-T. gondii seropositivity was observed in 15/71 (21.1%) wild boars by modified agglutination test (MAT); and 49/157 (31.2%) hunting dogs and 15/49 (32.7%) hunters by indirect immunofluorescent antibody test (IFAT). Seroprevalence of toxoplasmosis in Brazilian wild boars was within the national and international range, posting wild boars as potential environmental sentinels for T. gondii presence. In addition, the findings have comparatively shown that wild boars have been less exposed to infection than hunting dogs or hunters in both Brazilian regions. Seropositivity for T. gondii was statistically higher in 12/14 (85.7%) captured wild boars when compared to 5/57 (7.0%) free-range wild boars (p = 0.000001). Similarly, captured wild boars from anthropized areas were more likely to be seropositive than of natural regions (p = 0.000255). When in multiple regression model, dogs with the habit of wild boar hunting had significant more chance to be positive (adjusted-OR 4.62 CI 95% 1.16-18.42). Despite potential as sentinels of environmental toxoplasmosis, seroprevalence in wild boars alone may provide a biased basis for public health concerns; thus, hunters and hunting dogs should be always be included in such studies. Although hunters should be aware of potential T. gondii infection, wild boars from natural and agricultural areas may present lower protozoa load when compared to wild boars from anthropized areas, likely by the higher presence of domestic cats as definitive hosts.

Project description:Toxoplasmosis ranks among the most prevalent parasitic diseases globally. It seems that chronic toxoplasmosis is associated with several neuropsychiatric and other harmful effects in infected people, therefore, there is a need to investigate the prevalence of toxoplasmosis across various world regions. In this study, we conducted a meticulous meta-analysis to estimate the seroprevalence of anti-Toxoplasma gondii IgG antibodies within the general population in Iran (GPI). International and national scientific databases for studies published between January 1, 2000, and September 30, 2023, were searched. Observational studies reporting anti-T. gondii IgG seroprevalence in the GPI was selected/included. The data were synthesized using a random-effects model to calculate with a 95% confidence interval (95% CI) the national and regional anti-T. gondii IgG seroprevalence rates in Iran. Additionally, subgroup analyses were conducted to investigate the frequency of exposition to T. gondii in different socio-demographic, climatic, and geographical scenarios. From 18661 identified studies, 327 were included in the present meta-analysis, encompassing 122,882 individuals across the 31 Iranian provinces. The pooled nationwide anti-T. gondii IgG seroprevalence among the GPI was determined to be 32.9% (95% CI: 30.9-35.1%). The highest anti-T. gondii IgG seroprevalence was observed in Mazandaran province (North of Iran) (61%), whereas the lowest was in Semnan province (12.5%).Anti-T. gondii IgG seroprevalence demonstrated a higher occurrence in provinces characterized by moderate temperatures of 16-21°C, high relative humidity, and annual precipitation. Additionally, a higher anti-T. gondii IgG seroprevalence was identified among individuals with a habit of consumption of undercooked meat, raw fruits or vegetables, and untreated water. Moreover, those reporting direct contact with cats, possessing a lower level of education, residing in rural areas, being engaged in farming occupations, or playing the role of housewives exhibited higher anti-T. gondii IgG seroprevalence figures.The anti-T. gondii IgG seroprevalence within GPI closely aligns with the estimated worldwide average exposition rates. This underscores the imperative for public health policymakers to prioritize educational efforts regarding toxoplasmosis transmission pathways and its link to harmful effects.

Project description:BACKGROUND:Toxoplasma gondii (T. gondii) is an intracellular pathogen that can lead to abortion in pregnant women infected with this parasite. Therefore, the present study aimed to estimate the global seroprevalence of anti-T. gondii antibodies in women who had spontaneous abortion based on the results of published articles and evaluate the relationship between seroprevalence of anti-T. gondii antibodies and abortion via a systematical review and meta-analysis. METHODS:Different databases were searched in order to gain access to all studies on the seroprevalence of anti- T. gondii antibodies in women who had spontaneous abortion and association between seroprevalence of anti-T. gondii antibodies and abortion published up to April 25th, 2019. Odds ratio (OR) and the pooled rate seroprevalence of T. gondii with a 95% confidence interval (CI) were calculated using the random effects model. RESULTS:In total, 8 cross-sectional studies conducted on 1275 women who had abortion in present pregnancy, 40 cross-sectional studies performed on 9122 women who had a history of abortion, and 60 articles (involving 35 cross-sectional studies including 4436 women who had spontaneous abortion as case and 10398 as control and 25 case-control studies entailing 4656 cases and 3178 controls) were included for the final analyses. The random-effects estimates of the prevalence of anti-T. gondii IgG antibody in women who had abortion in present pregnancy and women who had a history of abortion were 33% (95% CI: 17%-49%) and 43% (95% CI: 27%-60%), respectively. In addition, the pooled OR for anti-T. gondii IgG antibody in cross-sectional and case-control studies among women who had spontaneous abortion were 1.65 (95% CI: 1.31-2.09) and 2.26 (95% CI: 1.56-3.28), respectively. Also, statistical analysis showed that the pooled OR of the risk of anti-T. gondii IgM antibody 1.39 (95% CI: 0.61-3.15) in cross-sectional and 4.33 (95% CI: 2.42-7.76) in case-control studies. CONCLUSION:Based on the results of the current study, T. gondii infection could be considered a potential risk factor for abortion. It is recommended to carry out further and more comprehensive investigations to determine the effect of T. gondii infection on abortion to prevent and control toxoplasmosis among pregnant women around the world.

Dataset Information

Seroprevalence of Anti-Toxoplasma gondii Antibodies Among Pregnant Woman in South Khuzestan, Iran.

Publications

Seroprevalence of Anti-Toxoplasma gondii Antibodies Among Pregnant Woman in South Khuzestan, Iran.

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