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Ультразвуковые признаки первичной плацентарной недостаточности и системный воспалительный ответ при гриппе а(Н3N2) у женщин в первом триместре беременности

Ультразвуковые признаки первичной плацентарной недостаточности и системный воспалительный ответ при гриппе а(Н3N2) у женщин в первом триместре беременности

Abstract

Ultrasound picture of the uterus and chorionic villi as well as the contents of cytokines in the blood serum of 132 women in the first trimester of pregnancy were studied. The first group (control) included 30 women with uncomplicated course of pregnancy; the second group had 36 pregnant women with influenza A(H3N2) with antibody titer 1:4-1:16; the third group had 34 pregnant women with influenza А(Н3N2) with antibody titer 1:8-1:32; the fourth group consisted of 32 pregnant women with influenza A(H3N2) with antibody titer 1:32-1:128. Ultrasound markers of the primary placental insufficiency were visualized in 16.7% of patients in the second group: the thickening of chorion in 8.3%, its thinning in 5.6% and chorion previa in 2.8%. In the first group this obstetrical pathology was observed in 10% of women: the thickening of chorion in 6.7% (р>0.05), its thinning in 3.3% (р>0.05) without any signs of chorion previa. At the same time there was a tendency to the growth in the blood serum of the contents of IL-4 till 16.2±1.39 pg/ml, TNF-α till 29.8±2.64 pg/ml and IFN-γ till 27.3±2.27 pg/ml (in the control it was 12.9±1.16 pg/ml, р>0.05; 24.7±2.27 pg/ml, р>0.05; and 22.3±2.08 pg/ml, р>0.05), respectively. In the third group the frequency of identification of echostructural signs of placental insufficiency and the level of cytokines did not differ from signs in the patients of the second group. In comparison with the first group in the forth group during the peak of the disease ultrasound signs of the primary placental insufficiency were identified in 65.7% of women: the thickening of chorion in 46.9% (р<0.01), its thinning in 6.3% (р>0.05) and chorion previa in 12.5% (р>0.05). The concentration of IL-4 increased by 73.6% (р<0.001), of TNF-α by 75.3% (р<0.001) and of IFN-γ by 73,1% (p<0.001). During reconvalenscence in the patients of the fourth group clinical-echographical markers of the primary placental insufficiency and the threats of premature delivery were revealed in 100% of the examined women. This suggest a very important pathogenetic significance of a system inflammatory response and hyperproduction of antivirus antibodies in the damage of blood vessels of unterus-chorial zone and syncytiotrophoblast as well as the development of the threat of miscarriage at influenza virus A(H3N2) in women at early stages of gestation.

Изучалась ультразвуковая картина матки и ворсинчатого хориона, а также содержание цитокинов в сыворотке крови у 132 женщин в первом триместре гестации. Первую группу (контрольную) составили 30 женщин с неосложненным течением беременности; вторую 36 беременных, больных гриппом А(Н3N2) с титрами антител 1:4-1:16; третью 34 беременных, больных гриппом А(Н3N2) с титрами антител 1:8-1:32; четвертую 32 беременных, больных гриппом А(Н3N2) с титрами антител 1:32-1:128. Установлено, что во второй группе ультразвуковые маркеры первичной плацентарной недостаточности визуализировались у 16,7% больных: утолщение хориона у 8,3%, истончение у 5,6% и предлежание у 2,8%; в то же время в первой группе эта акушерская патология отмечалась у 10% женщин: утолщение хориона у 6,7% (р>0,05), истончение у 3,3% (р>0,05) при отсутствии признаков предлежания хориона. При этом отмечалась тенденция к росту содержания в сыворотке крови IL-4 до 16,2±1,39 пг/мл, TNF-α до 29,8±2,64 пг/мл и IFN-γ до 27,3±2,27 пг/мл (в контроле, соответственно, 12,9±1,16 пг/мл, р>0,05; 24,7±2,27 пг/мл, р>0,05; и 22,3±2,08 пг/мл, р>0,05). В третьей группе частота выявления эхоструктурных признаков плацентарной недостаточности и уровень цитокинов достоверно не отличались от таковых у больных во второй группе. По сравнению с первой группой, в четвертой группе в период разгара заболевания ультразвуковые признаки первичной плацентарной недостаточности выявлялись у 65,7% женщин: утолщение хортона у 46,9% (р<0,01), истончение у 6,3% (р>0,05) и предлежание хориона у 12,5% (р>0,05). Одновременно возрастала концентрация IL-4 на 73,6% (р<0,001), TNF-α на 75,3% (р<0,001) и IFN-γ на 73,1% (p<0,001). В период реконвалесценции у пациенток четвертой группы клинико-эхографические маркеры первичной плацентарной недостаточности и угрозы невынашивания выявлялись у 100% обследованных. Это подтверждало важное патогенетическое значение системного воспалительного ответа и гиперпродукции противовирусных антител в поражении кровеносных сосудов маточно-хориальной зоны и синцитиотрофобласта, а также в развитии угрозы прерывания беременности при гриппе А(Н3N2) у женщин на ранних сроках гестации.

Keywords

ПЕРВИЧНАЯ ПЛАЦЕНТАРНАЯ НЕДОСТАТОЧНОСТЬ,ГРИПП А(Н3N2),ТИТРЫ ПРОТИВОВИРУСНЫХ АНТИТЕЛ,ЦИТОКИНЫ,PRIMARY PLACENTAL INSUFFICIENCY,INFLUENZA A(H3N2),TITERS OF ANTIVIRUS ANTIBODIES,CYTOKINES

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze