Epidemiology of Heterosexual and Maternal/Fetal Transmission of HIV in the Ukrainian SSR

2015 ◽  
pp. 15-18
Author(s):  
A. F. Frolov ◽  
V. M. Kavsan ◽  
G. G. Popovitch
Keyword(s):  
Maternal Fetal Transmission

scholarly journals Spontaneous Abortion and Chikungunya Infection: Pathological Findings

Viruses ◽  
2021 ◽  
Vol 13 (4) ◽  
pp. 554
Author(s):  
Natália Salomão ◽  
Michelle Brendolin ◽  
Kíssila Rabelo ◽  
Mayumi Wakimoto ◽  
Ana Maria de Filippis ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Spontaneous Abortion ◽  
Ultrastructural Changes ◽  
Rt Pcr ◽  
Chorionic Villi ◽  
Decidual Cells ◽  
Hofbauer Cells ◽  
Hematoxylin And Eosin ◽  
Maternal Fetal Transmission

Intrauterine transmission of the Chikungunya virus (CHIKV) during early pregnancy has rarely been reported, although vertical transmission has been observed in newborns. Here, we report four cases of spontaneous abortion in women who became infected with CHIKV between the 11th and 17th weeks of pregnancy. Laboratorial confirmation of the infection was conducted by RT-PCR on a urine sample for one case, and the other three were by detection of IgM anti-CHIKV antibodies. Hematoxylin and eosin (H&E) staining and an electron microscopy assay allowed us to find histopathological, such as inflammatory infiltrate in the decidua and chorionic villi, as well as areas of calcification, edema and the deposition of fibrinoid material, and ultrastructural changes, such as mitochondria with fewer cristae and ruptured membranes, endoplasmic reticulum with dilated cisterns, dispersed chromatin in the nuclei and the presence of an apoptotic body in case 1. In addition, by immunohistochemistry (IHC), we found a positivity for the anti-CHIKV antibody in cells of the endometrial glands, decidual cells, syncytiotrophoblasts, cytotrophoblasts, Hofbauer cells and decidual macrophages. Electron microscopy also helped in identifying virus-like particles in the aborted material with a diameter of 40–50 nm, which was consistent with the size of CHIKV particles in the literature. Our findings in this study suggest early maternal fetal transmission, adding more evidence on the role of CHIKV in fetal death.

scholarly journals Fetal Renal Echogenicity Associated with Maternal Focal Segmental Glomerulosclerosis: The Effect of Transplacental Transmission of Permeability Factor suPAR

2018 ◽  
Vol 7 (10) ◽  
pp. 324 ◽  
Author(s):  
Shirley Shuster ◽  
Ghada Ankawi ◽  
Christoph Licht ◽  
Jochen Reiser ◽  
Xuexiang Wang ◽  
...  
Keyword(s):  
Focal Segmental Glomerulosclerosis ◽  
Transplacental Transmission ◽  
Transplacental Passage ◽  
Segmental Glomerulosclerosis ◽  
Type Plasminogen Activator ◽  
Urokinase Type Plasminogen Activator ◽  
Plasminogen Activator Receptor ◽  
Maternal Fetal Transmission ◽  
Fetal Response ◽  
Echogenic Kidneys

We report a case of a pregnant woman with nephrotic syndrome due to biopsy-proven focal segmental glomerulosclerosis (FSGS) whose fetus developed echogenic kidneys and severe oligohydramnios by 27 weeks of gestation. Maternal treatment with prednisone resulted in normalization of the amniotic fluid indices and resolution of fetal renal echogenicity. The newborn was noted to have transient renal dysfunction and proteinuria, resolving by 6 weeks postpartum. The transplacental passage of permeability factors is postulated to have caused both the fetal and newborn renal presentation, with significantly elevated levels of soluble urokinase-type plasminogen activator receptor (suPAR) noted in the cord blood. This case documents the transplacental maternal-fetal transmission of suPAR, demonstrating the potential for maternal-fetal transmission of deleterious, disease-causing entities, and adds to the differential diagnosis of fetal echogenic kidneys. Further, this is the first documentation of a fetal response to maternal systemic therapy.

scholarly journals Prolonged Maternal Shedding and Maternal-fetal Transmission of Measles Virus

2020 ◽  
Author(s):  
Caroline Charlier ◽  
Julia Dina ◽  
François Freymuth ◽  
Astrid Vabret ◽  
Olivier Lortholary ◽  
...  
Keyword(s):  
Pregnant Women ◽  
Vertical Transmission ◽  
Measles Virus ◽  
Virus Detection ◽  
Maternal Infection ◽  
Maternal Fetal Transmission ◽  
In Pregnancy

Abstract Prolonged measles virus detection in maternal saliva and blood was evidenced in 6 pregnant women. Maternal-fetal transmission was evidenced in 2 of 4 infants who were asymptomatic at birth, 21–24 weeks after maternal infection. Whereas peripartum congenital measles is severe, asymptomatic measles virus vertical transmission can occur earlier in pregnancy.

scholarly journals Infections in Pregnancy With COVID-19 and Other Respiratory RNA Virus Diseases Are Rarely, If Ever, Transmitted to the Fetus: Experiences With Coronaviruses, Parainfluenza, Metapneumovirus Respiratory Syncytial Virus, and Influenza

2020 ◽  
Vol 144 (8) ◽  
pp. 920-928 ◽  
Author(s):  
David A. Schwartz ◽  
Amareen Dhaliwal
Keyword(s):  
Respiratory Syncytial Virus ◽  
Middle East ◽  
Severe Acute Respiratory Syndrome ◽  
Pregnant Women ◽  
Rna Viruses ◽  
Middle East Respiratory Syndrome ◽  
Intrauterine Transmission ◽  
Fetal Infection ◽  
Syncytial Virus ◽  
Maternal Fetal Transmission

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the agent of coronavirus disease 2019 (COVID-19), is similar to 2 other coronaviruses, SARS-CoV and Middle East respiratory syndrome coronavirus (MERS-CoV), in causing life-threatening maternal respiratory infections and systemic complications. Because of global concern for potential intrauterine transmission of SARS-CoV-2 from pregnant women to their infants, this report analyzes the effects on pregnancy of infections caused by SARS-CoV-2 and other respiratory RNA viruses, and examines the frequency of maternal-fetal transmission with SARS-CoV-2, severe acute respiratory syndrome (SARS), Middle East respiratory syndrome (MERS), influenza, respiratory syncytial virus (RSV), parainfluenza (HPIV), and metapneumovirus (hMPV). There have been no confirmed cases of intrauterine transmission reported with SARS-CoV-2 or any other coronaviruses—SARS and MERS. Influenza virus, despite causing approximately 1 billion annual infections globally, has only a few cases of confirmed or suspected intrauterine fetal infections reported. Respiratory syncytial virus is an unusual cause of illness among pregnant women, and with the exception of 1 premature infant with congenital pneumonia, no other cases of maternal-fetal infection are described. Parainfluenza virus and hMPV can produce symptomatic maternal infections but do not cause intrauterine fetal infection. In summary, it appears that the absence thus far of maternal-fetal transmission of the SARS-CoV-2 virus during the COVID-19 pandemic is similar to other coronaviruses, and is also consistent with the extreme rarity of suggested or confirmed cases of intrauterine transmission of other respiratory RNA viruses. This observation has important consequences for pregnant women because it appears that if intrauterine transmission of SARS-CoV-2 does eventually occur, it will be a rare event. Potential mechanisms of fetal protection from maternal viral infections are also discussed.

scholarly journals An Analysis of 38 Pregnant Women With COVID-19, Their Newborn Infants, and Maternal-Fetal Transmission of SARS-CoV-2: Maternal Coronavirus Infections and Pregnancy Outcomes

2020 ◽  
Vol 144 (7) ◽  
pp. 799-805 ◽  
Author(s):  
David A. Schwartz
Keyword(s):  
Pregnant Women ◽  
Pregnancy Outcomes ◽  
Viral Infections ◽  
Clinical Laboratory ◽  
Newborn Infants ◽  
Public Health Problem ◽  
Obstetric Outcomes ◽  
Maternal Fetal Transmission ◽  
Novel Coronavirus ◽  
Coronavirus Infections

The emergence of a novel coronavirus, termed SARS-CoV-2, and the potentially life-threatening respiratory disease that it can produce, COVID-19, has rapidly spread across the globe, creating a massive public health problem. Previous epidemics of many emerging viral infections have typically resulted in poor obstetric outcomes including maternal morbidity and mortality, maternal-fetal transmission of the virus, and perinatal infections and death. This article reviews the effects of 2 previous coronavirus infections—severe acute respiratory syndrome (SARS) caused by SARS-CoV and Middle East respiratory syndrome (MERS) caused by MERS-CoV—on pregnancy outcomes. In addition, it analyzes literature describing 38 pregnant women with COVID-19 and their newborns in China to assess the effects of SARS-CoV-2 on the mothers and infants, including clinical, laboratory, and virologic data, and the transmissibility of the virus from mother to fetus. This analysis reveals that unlike coronavirus infections of pregnant women caused by SARS and MERS, in these 38 pregnant women COVID-19 did not lead to maternal deaths. Importantly, and similar to pregnancies with SARS and MERS, there were no confirmed cases of intrauterine transmission of SARS-CoV-2 from mothers with COVID-19 to their fetuses. All neonatal specimens tested, including placentas in some cases, were negative by RT-PCR for SARS-CoV-2. At this point in the global pandemic of COVID-19 infection there is no evidence that SARS-CoV-2 undergoes intrauterine or transplacental transmission from infected pregnant women to their fetuses. Analysis of additional cases is necessary to determine if this remains true.

Assessing the utility of antivirals for preventing maternal-fetal transmission of zika virus in pregnant mice

2019 ◽  
Vol 167 ◽  
pp. 104-109 ◽  
Author(s):  
Satoru Watanabe ◽  
Nicole Wei Wen Tan ◽  
Kitti Wing Ki Chan ◽  
Subhash G. Vasudevan
Keyword(s):  
Zika Virus ◽  
Pregnant Mice ◽  
Maternal Fetal Transmission
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