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Akusherstvo i Ginekologiya 2016

[NEW APPROACH IN DIAGNOSTIC ALGORITHM OF AN INFECTIOUS AGENTS (PARVOVIRUS B19 AND CHLAMYDIA TRACHOMATIS) INVOLVED IN THE DEVELOPMENT OF PATHOLOGICAL PREGNANCY].

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
Спасылка захоўваецца ў буферы абмену
S Voleva
St Ivanova
B Marinov
P Genova-Kalou
V Manolov
V Vasilev

Ключавыя словы

Рэферат

Viral infections during pregnancy, along with some form of accompanying pregnancy diseases such as diabetes, cardiovascular, gastrointestinal, kidney and others, are a major cause of arising complications and mortality of mother and fetus.

OBJECTIVE

To improved the laboratory diagnostic approach in the study of women with pathological pregnancy, including improve treatment and prognostic character of the outcome of pregnancy, with the inclusion of two infectious agent parvovirus B19 and Chlamydia trachomatis. To determine types of anemia in pregnant women with parvovirus B19 and Chlamydia trachomatis infection and to select the correct therapeutic approach.

METHODS

A total 36 serum samples from pregnant women with anemia (n = 22), nonimmune hydrops fetalis (n = 8) and fetal ascites (n = 6) were tested. The study included three newborns (n = 3), tested on the occasion of a possible maternal-fetal infections. The serological (indirect ELISA tests) and molecular (B19V-PCR test) methods were used. In anemic pregnant women were evaluated iron homeostasis parameters with CLIA, AAS and NEPH methods.

RESULTS

In 6/36 (16.66%) patients B19V-IgM positive result was detected. Among the study patients with anemia, non-immune hydrops fetalis and fetal ascites incidence of proven B19V-IgM antibodies was 18.18% (4/22), 12.5% (1/8) and 16.66% (1/6), respectively. Protective B19-IgG antibodies in 25/39 (64.10%) samples were found. A positive PCR signal was showed in all patients with positive B19V-IgM, and 1 patient with anemia and positive B19V-IgG result. The three newborns were positive for B19V-IgG antibodies (maternal) and negative for acute viral infection. Present Chlamydia trachomatis infection in 6/36 (16.66%) and past infection in 5/36 (13.89%) patients was demonstrated. The anemia was evaluated as iron-deficiency according to low hepcidin levels 2.54 ± 0.4 μg/I compared to pregnant control group which included women without anemia 25.9 ± 2.8 μg/I.

CONCLUSIONS

In view of the varied transmission B19V and the wide range of complications arising as a result of chlamydia, screening for these viral agents of pregnant women and women of childbearing age is an important approach for monitoring of pregnancy.

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