Maternal Infection Research Articles

SARS-CoV-2 Antibodies in Breastmilk Three and Six Months Postpartum in Relation to the Trimester of Maternal SARS-CoV-2 Infection-An Exploratory Study.

The immune system of neonates is immature and therefore knowledge of possible early-life protection against SARS-CoV-2 infection, such as breastfeeding, is of great importance. Few studies have investigated the presence and duration of SARS-CoV-2 antibodies in breastmilk in relation to the trimester of maternal infection during pregnancy, and none with successful participation from all three trimesters. This study has dual objectives (1) in relation to the trimester of infection to examine the frequency, concentration and duration of IgA and IgG antibodies in breastmilk and blood serum in the third and sixth month post-partum in former SARS-CoV-2-infected mothers and (2) to examine the association in pediatric emergency admission of children within the first six months of life compared to children of non-SARS-CoV-2-infected women. The first objective is based on a prospective cohort and the second is based on a nested case-control design. The study participants are women with a former SARS-CoV-2 infection during pregnancy, whose serology IgG tests at delivery were still positive. Maternal blood and breastmilk samples were collected at three and six months postpartum. Serum IgA frequency three months pp was 72.7% (50%, 90% and 60% in the first, second and third trimester) and 82% six months pp (67%, 91% and 82% in the first, second and third trimester). Breastmilk IgA frequency three months pp was 27% (16.6%, 36% and 20% in first, second and third trimester) and 28% six months pp (0%, 38% and 28% in the first, second and third trimester). The highest IgA concentration in breastmilk was found six months post-partum with infection in the third trimester. Serum IgA was detectable more than 400 days post infection, and serum IgG above threshold was found 430 days after date of infection. We found no correlation between serum IgA and breastmilk IgA, nor between serum IgG and breastmilk IgA regardless of the trimester of infection.

Maternal mortality in the United States: are the high and rising rates due to changes in obstetrical factors, maternal medical conditions, or maternal mortality surveillance?

National Vital Statistics System reports show that maternal mortality rates in the United States have nearly doubled, from 17.4 in 2018 to 32.9 per 100,000 live births in 2021. However, these high and rising rates could reflect issues unrelated to obstetrical factors, such as changes in maternal medical conditions or maternal mortality surveillance (eg, due to introduction of the pregnancy checkbox). This study aimed to assess if the high and rising rates of maternal mortality in the United States reflect changes in obstetrical factors, maternal medical conditions, or maternal mortality surveillance. The study was based on all deaths in the United States from 1999 to 2021. Maternal deaths were identified using the following 2 approaches: (1) per National Vital Statistics System methodology, as deaths in pregnancy or in the postpartum period, including deaths identified solely because of a positive pregnancy checkbox, and (2) under an alternative formulation, as deaths in pregnancy or in the postpartum period, with at least 1 mention of pregnancy among the multiple causes of death on the death certificate. The frequencies of major cause-of-death categories among deaths of female patients aged 15 to 44 years, maternal deaths, deaths due to obstetrical causes (ie, direct obstetrical deaths), and deaths due to maternal medical conditions aggravated by pregnancy or its management (ie, indirect obstetrical deaths) were quantified. Maternal deaths, per National Vital Statistics System methodology, increased by 144% (95% confidence interval, 130-159) from 9.65 in 1999-2002 (n=1550) to 23.6 per 100,000 live births in 2018-2021 (n=3489), with increases occurring among all race and ethnicity groups. Direct obstetrical deaths increased from 8.41 in 1999-2002 to 14.1 per 100,000 live births in 2018-2021, whereas indirect obstetrical deaths increased from 1.24 to 9.41 per 100,000 live births: 38% of direct obstetrical deaths and 87% of indirect obstetrical deaths in 2018-2021 were identified because of a positive pregnancy checkbox. The pregnancy checkbox was associated with increases in less specific and incidental causes of death. For example, maternal deaths with malignant neoplasms listed as a multiple cause of death increased 46-fold from 0.03 in 1999-2002 to 1.42 per 100,000 live births in 2018-2021. Under the alternative formulation, the maternal mortality rate was 10.2 in 1999-2002 and 10.4 per 100,000 live births in 2018-2021; deaths from direct obstetrical causes decreased from 7.05 to 5.82 per 100,000 live births. Deaths due to preeclampsia, eclampsia, postpartum hemorrhage, puerperal sepsis, venous complications, and embolism decreased, whereas deaths due to adherent placenta, renal and unspecified causes, cardiomyopathy, and preexisting hypertension increased. Maternal mortality increased among non-Hispanic White women and decreased among non-Hispanic Black and Hispanic women. However, rates were disproportionately higher among non-Hispanic Black women, with large disparities evident in several causes of death (eg, cardiomyopathy). The high and rising rates of maternal mortality in the United States are a consequence of changes in maternal mortality surveillance, with reliance on the pregnancy checkbox leading to an increase in misclassified maternal deaths. Identifying maternal deaths by requiring mention of pregnancy among the multiple causes of death shows lower, stable maternal mortality rates and declines in maternal deaths from direct obstetrical causes.

Multidisciplinary Obstetric Simulation Training: Experience at KK Women's and Children's Hospital (KKH), Singapore, a Tertiary Referral Centre.

Background Multidisciplinary simulation training in the management of acute obstetric emergencies has the potential to reduce both maternal and perinatal morbidity. It is a valuable tool that can be adapted for targeted audiences of different specialities at all experience levels from medical students to senior consultants. Methods In this study, pre- and post-course questionnaires of learners with varying levels of clinical experience from Obstetrics and Gynaecology (O&G), Anaesthesia, Neonatology, Emergency Medicine, midwifery, and nursing who undertook two simulation courses (namely the Combined Obstetrics Resuscitation Training course, CORE, and the CORE Lite), which comprised lectures and simulation drills with manikins and standardized patients, between 2015 and 2023 were compared. This also included a period when training was affected by the coronavirus disease 2019 (COVID-19) pandemic. Results The results showed that both simulation courses increased confidence levels amongall learners in the management of obstetric emergencies. Pre-course, participants were most confident in the management of neonatal resuscitationand severe pre-eclampsia, followed by postpartum haemorrhage.They were least confident in the management of vaginal breech delivery, uterine inversion, and twin delivery. Post-course, participants were most confident in the management of neonatal resuscitation and shoulder dystocia, followed by postpartum haemorrhage. They were least confident in the management of uterine inversion and maternal sepsis, followed by vaginal breech delivery and twin delivery. Whilst we saw a huge improvement in confidence levels for all obstetric emergencies, the greatest improvement in confidence levels was noted in vaginal breech delivery,twin delivery,and uterine inversion. Conclusion The simulation courses were effective in improving the confidence in the management of obstetric emergencies. While it may be difficult to measure the improvement in clinical outcomes as a result of simulation courses alone, the increase in confidence levels of clinicians can be used as a surrogate in measuring their preparedness in facing these emergency scenarios.

Prevalence of Maternal Fever and Associated Factors among Postnatal Women at Kawempe National Referral Hospital, Uganda: A Preliminary Study.

Fever is one of the most important signs of infection and can provide useful information for further assessment, diagnosis, and management. Early detection of postnatal fever could reduce severe outcomes, such as maternal mortality due to puerperal sepsis. The purpose of this cross-sectional study was to determine the prevalence of and associated factors of postnatal fever among postnatal women at Kawempe National Referral Hospital. Three hundred postnatal women were recruited. Temperature measurements were conducted and a 29-item questionnaire was completed along with the extraction of health history from the medical records of the participants. The prevalence of maternal fever was 58/300 (19.3%). Multivariable analysis indicated that only four factors-HIV-positive status (AOR = 2.56; 95% CI = 1.02-6.37), labor complications (AOR = 6.53; 95% CI = 2.40-17.71), prolonged labor (AOR = 3.12; 95% CI = 1.11-8.87), and more than 24 h spent in postnatal care (AOR = 5.16; 95% CI = 2.19-12.16)-were found to be significantly associated with postnatal fever. The prevalence of postnatal maternal fever among postnatal women at Kawempe National Referral Hospital was higher than that in other reports in the literature. The factors significantly associated with maternal fever were HIV-positive status, complications during labor, prolonged labor, and more than 24 h spent in postnatal care. Health workers involved in the provision of labor and obstetric services must follow guidelines to assess fever and manage the underlying conditions causing it.

Long-term Ocular Outcomes in Congenital Toxoplasmosis Treated Perinatally.

Congenital toxoplasmosis (CT) can be accompanied by serious organ manifestations, particularly retinochoroiditis, and may occur throughout life. We aimed to monitor long-term ocular prognosis in a large French cohort of patients with CT and its changes over time in the context of mandatory prenatal screening (since 1992) and incidence decrease since 2008. Patients with CT diagnosed between 1987 and 2021 were prospectively included and followed for up to 35 years. The effect of the period of conception on the risk of first retinochoroiditis has been tested using a flexible extension of the Cox model. Incidence rates of retinochoroiditis were estimated. A total of 646 infected live born children were followed for a median of 12 years (range, 0.5-35); 187 patients (29%) had at least 1 ocular lesion (first at a median age of 5 years; range, 0-26 years) with peaks at 7 and 12 years. Early maternal infection and the presence of nonocular signs at birth were associated with a higher risk of retinochoroiditis, whereas delayed diagnosis of CT (after birth versus before or at birth) was associated with a lower risk (13% decrease for each additional month after birth; P = .01). A period effect for the risk of developing retinochoroiditis in patients born after 2008 was not detected. Despite prenatal screening and prolonged perinatal treatment, retinochoroiditis is not a rare event in French patients with CT and can occur well into adulthood, with peak incidences at 7 and 12 years of age. It rarely causes severe damage but warrants regular follow-up into adulthood.

Maternal-driven immune education in offspring.

Maternal environmental exposures, particularly during gestation and lactation, significantly influence the immunological development and long-term immunity of offspring. Mammalian immune systems develop through crucial inputs from the environment, beginning in utero and continuing after birth. These critical developmental windows are essential for proper immune system development and, once closed, may not be reopened. This review focuses on the mechanisms by which maternal exposures, particularly to pathogens, diet, and microbiota, impact offspring immunity. Mechanisms driving maternal-offspring immune crosstalk include transfer of maternal antibodies, changes in the maternal microbiome and microbiota-derived metabolites, and transfer of immune cells and cytokines via the placenta and breastfeeding. We further discuss the role of transient maternal infections, which are common during pregnancy, in providing tissue-specific immune education to offspring. We propose a "maternal-driven immune education" hypothesis, which suggests that offspring can use maternal encounters that occur during a critical developmental window to develop optimal immune fitness against infection and inflammation.

ОПЫТ ЛЕЧЕНИЯ ПОСЛЕРОДОВОГО ЭНДОМЕТРИТА У КОРОВ

The purpose of the study is to conduct a comparative analysis of the therapeutic effectiveness of a local antiseptic drug based on tea tree essential oil for acute postpartum catarrhal endometritis in cows. The study was conducted at the Department of VNB, Obstetrics and Physiology of Farm Animals of the Krasnoyarsk State Agrarian University, on the basis of the dairy farm of the Balakhta District of the Krasnoyarsk Region. The object of the study is red-motley cows. Research methods: obstetric and gynecological medical examination of breeding stock; the diagnosis of acute postpartum catarrhal-purulent endometritis was established during a clinical and gynecological examination of fresh cows, which inclu-ded thermometry, rectal and vaginal examination. The diagnosis was considered confirmed when pathological discharge of a catarrhal nature appeared from the uterus during rectal massage. Two experimental groups of fresh cows were formed according to the principle of analogues (based on live weight, age, lactation, clinical manifestation of the form of acute endometritis). In the 1st experimental group, scheme № 1 was used: a 25 % oil solution of tea tree essential oil was administered intrauterinely in a dose of 20 ml daily once a day until clinical recovery; eleovit 8 ml was administered intramuscularly on the 1st and 5th days of treatment; uteroton 10 ml was administered intramuscularly daily once a day for 3 days; 0.05 % chlorhexidine solution 200 ml – intravaginally; rectal massage of the uterus once a day. In the 2nd experimental group, treatment regimen № 2 was used, which differed from regimen № 1 by using a 50 % oil solution of tea tree essential oil in a similar dosage. The best therapeutic effect in the treatment of acute catarrhal endometritis was obtained using scheme № 2 using a 50 % oil solution of tea tree essential oil. Du¬ring the seven-day course of treatment, therapeutic effectiveness was obtained in 60.0 % of cases; prolongation of the course of therapy led to the recovery of all animals in this experimental group. The ave¬rage duration of treatment for the group was 8.0 days.

Maternal sepsis - challenges in diagnosis and management: A mini-summary of the literature

Abstract Sepsis is still one of the leading causes of maternal mortality and morbidity, being the third most common cause of maternal death, after hemorrhage and hypertensive disorders. Maternal sepsis may appear due to obstetric causes such as: chorioamnionitis, endometritis, abortion-related uterine infections, and wound infections. For non-obstetric causes of maternal sepsis, the most common are urinary tract infections and respiratory tract infections. This mini summary presents the challenges in early diagnosis and prompt management, caused by pregnancy physiological changes. Physiological alterations during pregnancy, like an increase in white cell count, heart rate, and respiratory rate, associated with a decrease in blood pressure are also known signs of infection, making the diagnosis of sepsis during pregnancy more difficult. The three pillars of sepsis treatment are early antibiotics, vital organ support and fluid therapy, the last one being controversial. A more restrictive approach for fluid resuscitation could be more suitable for pregnant women, considering the risk of fluid overload and pulmonary edema. Criteria for early recognition and appropriate management customized for maternal sepsis are mandatory.

Correlation between COVID-19 infection and fetal situs inversus.

Situs inversus is a rare congenital condition, defined by the mirror-image transposition of the abdominothoracic organs. It is linked to an increased risk of different disorders, for example, congenital heart defects and primary ciliary dyskinesia. Recently, some reports have been on the increased incidence of situs inversus after the COVID-19 pandemic. To investigate the association between maternal COVID-19 infection and fetal situs inversus occurrence risk. All pregnant women who underwent fetal ultrasound examinations at Jinan Maternal and Child Health Hospital from January to May of 2022 and 2023 were recruited. A chi-square test was conducted to assess the association of maternal COVID-19 infection with the incidence rate of fetal situs inversus. A total of 8381 patients, including 25 with situs inversus fetuses were recruited. A total of 3956 patients had COVID-19, while 4400 did not. Among 25 mothers with situs inversus fetuses, 22 had COVID-19 and 3 without recent infection. Our analysis showed a strong link between COVID-19 and a higher risk of fetus situs inversus (P < .001, odds ratio 8.196). Maternal COVID-19 infection in the early stages of the pregnancy is associated with an increased risk of fetal situs inversion occurrence. Therefore, further research in this field seems necessary.

Timely use of Bakri intrauterine balloon tamponade contributes to the effectiveness in controlling severe postpartum hemorrhage.

The aim of the present study was to explore the effectiveness of Bakri intrauterine balloon tamponade (IUBT) in treating severe postpartum hemorrhage (SPPH). A cohort of 198 women with SPPH using IUBT were retrospectively selected. The baseline and maternal outcome characteristics were examined. The results demonstrated that women with SPPH had a high proportion of placenta accrete (53.0%). Bakri IUBT demonstrated a global effectiveness of 84.5% in SPPH treatment, accounting for 82.9% in women with placenta accrete. Compared with women with Bakri failure, women who experienced Bakri success had reduced rates of less use of pre-/post-IUBT intervention, blood transfusion, lower genital tract trauma, estimated blood loss (EBL), and a longer indwelling duration (P<0.05). Logistic regression revealed that the pre-IUBT intervention (OR=3.910; 95% CI: 1.684-9.079; P=0.002) was positively associated with hemostasis success, while lower genital tract trauma was negatively associated with Bakri success (OR=0.091; 95% CI: 0.009-0.894; P=0.040). Moreover, women diagnosed with placenta accrete underwent a greater number of transabdominal placed Bakri IUBT and pre-IUBT interventions than those without placenta accrete (P<0.05). No significant differences were observed in Bakri success, total EBL, pre-/post-IUBT EBL, infused volume of IUBT, IUBT indwelling duration, even the rate of hemostasis, lower genital tract trauma, blood transfusion, post-IUBT intervention, and puerperal fever between women with and without placenta accrete (P>0.05). In conclusion, placenta accrete may be the leading cause of SPPH. Bakri IUBT is an effective and safe measure for SPPH. Pre-IUBT intervention may be predictive of Bakri's success. The timely use of IUBT during labor may mitigate the impact of risk factors identified on PPH.

Preterm prelabour rupture of membranes before 23 weeks’ gestation: prospective observational study

ObjectiveTo describe perinatal and maternal outcomes of preterm prelabour rupture of membranes (PPROM) before 23 weeks' gestation in a national cohort.DesignProspective observational study.SettingNational population based cohort study with the UK...

Contribution of fetal blood sampling to determining the prognosis of congenital cytomegalovirus infections: a case-cohort study in Switzerland

Cytomegalovirus is responsible for the most common congenital infection, affecting 0.5% to 1.0% of live births in Europe. Congenital cytomegalovirus infection can be diagnosed during pregnancy by viral DNA amplification in the amniotic fluid, but the prognosis of fetuses without severe brain abnormalities remains difficult to establish on the basis of prenatal imaging alone. To identify predictors of moderate to severe symptomatic cytomegalovirus infection among fetal blood parameters and to propose an algorithm on the basis of these parameters and on prenatal imaging that would provide the best positive and negative predictive values. Fetal blood sampling at 21-28 weeks gestation was performed in fetuses with congenital cytomegalovirus infection confirmed by amniocentesis after maternal infection in the first-trimester or periconceptional period. We compared the levels of hemoglobin, thrombocytes, γ-glutamyl transpeptidase, aspartate aminotransferase, alanine aminotransferase, β2-microglobulin, immunoglobulins G and M, and cytomegalovirus DNA viral loads in amniotic fluid and fetal blood between those with moderate to severe symptomatic infection and those with asymptomatic to mild infection (median follow-up of 36 months for live births). Among 58 fetuses included, 25 (43%) had a moderate to severe symptomatic infection: 16 with severe cerebral abnormalities, 5 with multiple signs or symptoms at birth, 2 with bilateral sensorineural hearing loss, and 2 with neurodevelopmental delay. The values of thrombocytes, aspartate aminotransferase, β2 microglobulin, Immunoglobulin M, and cytomegalovirus viral loads differed significantly between fetuses with moderate to severe symptomatic infection and those with asymptomatic to mild infection. The optimal strategy to predict moderate to severe symptomatic infection was to first perform fetal brain imaging, followed by fetal blood sampling with the following cutoffs: thrombocytes <120,000/mL, viremia ≥5 log10/mL, and β2 microglobulin ≥12 mg/L). This recursive algorithm had a negative predictive value of 100% for moderately to severely symptomatic infection. The combination of thrombocytes, β2-microglobulin, and cytomegalovirus viral load in fetal blood can be used for prognosis determination, particularly in cytomegalovirus-infected fetuses without severe brain abnormalities at the time of prenatal diagnosis. Future studies should evaluate whether these parameters remain useful in infected fetuses who have been treated with valacyclovir before fetal blood sampling.

Preventing breast milk HIV transmission using broadly neutralizing monoclonal antibodies: One size does not fit all.

Key messages Passive immunoprophylaxis with broadly neutralizing monoclonal antibodies (bNAbs) could be a game changer in the prevention of human immunodeficiency virus (HIV) acquisition. The prevailing view is that available resources should be focused on identifying a fixed combination of at least three bNAbs for universal use in therapeutic and preventive protocols, regardless of target populations or routes of transmission. HIV transmission through breastfeeding is unique: it involves free viral particles and cell‐associated virus from breast milk and, in the case of acute/recent maternal infection, a viral population with restricted Env diversity. HIV transmission through breastfeeding in high incidence/prevalence areas could potentially be eliminated by subcutaneous administration to all newborns of one or two long‐acting bNAbs with extended breadth, high potency, and effector properties (ADCC, phagocytosis) against circulating HIV strains.

Removal Versus Retention of Cervical Cerclage With Preterm Prelabor Rupture of Membranes: Systematic Review and Meta-analysis

ABSTRACT One predictor of preterm birth (PTB) is a short cervical length before 24 weeks of gestation. For pregnant women with short cervical length and a history of PTB, cervical cerclage plus progesterone is offered. This procedure has been shown to reduce the risk of PTB, pregnancy loss, and perinatal morbidity and mortality. However, it also increases the risk of preterm, premature rupture of membrane (pPROM). When pPROM occurs, the decision must be made to either remove or retain the cerclage. This decision is a challenge due to a lack of evidence to support retaining cerclage, which could prolong the duration of pregnancy, or removing it, which may decrease the risk chorioamnionitis. In addition, guidelines from international societies are conflicting: a practice bulletin from the American College of Obstetricians and Gynecologists regards both removal and retention of cerclage in pregnancies complicated with pPROM as reasonable options, whereas a practice guideline from the Royal College of Obstetricians and Gynecologists supports the removal of cerclage. The aim of this study was to compare the removal of cervical cerclage with its retention on maternal and perinatal outcomes. This was a systematic review and meta-analysis using an electronic search of Medline, Embase, and Cochrane electronic databases in February 2023. Included were prospective and retrospective publications, reported in English, which evaluated perinatal outcomes of removing or retaining cervical cerclage complicated by pPROM. Excluded were case reports, case series, review articles, letters to the editors, or editorials. The primary outcomes were pregnancy latency from pPROM &gt;48 hours and &gt;7 days. Quality assessment of the included studies used the Newcastle-Ottawa Scale. A total of 6 studies, representing 377 women (169 in the removal group and 208 in the retention group), were included in this systematic review. The removal group had significantly lower rates of pregnancy latency than the retention group at &gt;48 hours (47% vs 85%; odds ratio [OR], 0.15; 95% confidence interval [CI], 0.07–0.31; P &lt; 0.0001) and &gt;7 days (33% vs 57%; OR, 0.30; 95% CI, 0.11–0.83; P = 0.02). However, the removal group also had lower rates than the retention groups of chorioamnionitis (29% vs 41%; OR, 0.57; 95% CI, 0.34–0.96; P = 0.03) and Apgar score &lt;7 at 5 minutes (16% vs 43%; OR, 0.22; 95% CI, 0.08–0.56; P = 0.002). No significant differences were observed in the rates of postpartum endometritis, cesarean delivery, respiratory distress syndrome, neonatal sepsis, intraventricular hemorrhage, necrotizing enterocolitis, birthweight, fetal death, and neonatal mortality. In conclusion, the group that had cervical cerclage removal had a lower risk of experiencing pregnancy latency at &gt;48 hours and &gt;7 days than the group with cerclage retention. However, the retention group had a higher risk of chorioamnionitis and Apgar &lt;7 at 5 minutes.

Finding the Needle in the Haystack: Challenges and Future Directions in Maternal Sepsis Recognition.

Finding the Needle in the Haystack: Challenges and Future Directions in Maternal Sepsis Recognition.

Investigating Neonatal Multisystem Inflammatory Syndrome Associated with COVID-19 in the Neonatal Intensive Care Unit: A Case Series

Background: The COVID-19 pandemic, caused by the novel SARS-CoV-2 virus, has presented significant challenges to global healthcare systems, affecting individuals of all ages, including neonates. Recent studies have identified a condition similar to Multisystem Inflammatory Syndrome in Children (MIS-C) occurring in neonates, termed MIS-N (Multisystem Inflammatory Syndrome in Neonates), linked to maternal infection with SARS-CoV-2. Understanding MIS-N's clinical manifestations, laboratory findings, and treatment outcomes is crucial for improving neonatal care during the ongoing pandemic. Objective: The objective of this study was to explore the clinical characteristics, laboratory diagnostics, and treatment outcomes of neonates diagnosed with MIS-N, aiming to contribute to better diagnostic and management approaches for this vulnerable population. Methods: This retrospective case series analyzed neonates admitted with suspected MIS-N to the Children's Medical Center in Tehran, Iran, from March to September 2020. Inclusion criteria encompassed neonates showing clinical signs suggestive of MIS-N, elevated inflammatory markers, and positive for SARS-CoV-2 antibodies. Key data points included demographic information, clinical presentation, laboratory results (including complete blood count, inflammatory markers, and specific COVID-19 serology), treatment modalities, and patient outcomes. The effectiveness of interventions was evaluated based on symptom resolution and normalization of lab values. Results: Two neonates were identified with MIS-N. Case I involved a 39-week-old male presenting with diarrhea, dehydration, fever, and a rash, with initial inflammatory markers showing a white blood count (WBC) of 23,000 cells/μL, C-reactive protein (CRP) of 93 mg/L, and serum IgG of 10 g/L. Following treatment with corticosteroids, the patient's condition stabilized, with a decrease in WBC to 18,000 cells/μL and CRP to 34 mg/L. Case II, a 38-week-old female, exhibited a cough, rashes, with WBC of 17,000 cells/μL, CRP of 2 mg/L, and serum IgG of 40 g/L. A single dose of hydrocortisone led to symptom resolution. Both cases had no significant adverse outcomes at a three-month follow-up. Conclusion: Our findings illuminate the clinical and laboratory characteristics of MIS-N in neonates, emphasizing the role of maternal SARS-CoV-2 infection in its etiology. The successful resolution of symptoms with corticosteroid treatment highlights the potential efficacy of this intervention in managing MIS-N. These insights contribute to the growing understanding of MIS-N and underscore the need for ongoing research to define optimal diagnostic criteria and treatment protocols.

THE EFFECT OF HUMAN IMMUNODEFICIENCY VIRUS (HIV) AND ANTIRETROVIRAL THERAPY ON THE RISK OF PRE-ECLAMPSIA : A TEN YEARS SYSTEMATIC REVIEW

Background: Human immunodeficiency virus (HIV) infection affects 25 of the US population, with women being the most likely to receive a diagnosis during their reproductive years. Pregnant HIV-infected women are recommended to start antiretroviral therapy (ART) during pregnancy, regardless of CD4 cell count. Research suggests that HIV infection may reduce the risk of pre-eclampsia (PE). Despite PE being the cause of 42,000 maternal fatalities annually, pregnant women living with HIV are less likely to develop pregnancy hypertensive problems. The aim: This study aims to determine the effect of HIV and antiretroviral therapy on the risk of PE. Methods: This work demonstrated compliance with all standards by means of a comparison with the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) 2020 guidelines. Consequently, experts were able to guarantee that the study was as current as feasible. Publications released in the years 2014–2024 were considered for this search strategy. To do this, a variety of internet reference sites were used, including ScienceDirect and PubMed. Review articles, previously published works, and partially completed works were all selected not to be considered. Results: When we searched the PubMed database, we found 33 papers, but when we searched ScienceDirect, we found 92 publications. Title screening produced a total of 14 articles for PubMed and 23 articles for ScienceDirect in the search results. Eight papers from PubMed and ten from ScienceDirect made up the total of the papers we compiled. Four reviews, four duplicates, and one with insufficient results were all excluded. Nine studies that satisfied the requirements were finally included. Conclusion: This systematic review found that maternal HIV infection and not using antiretroviral therapy reduced the risk of PE. However, further investigations with more well-designed studies with larger sample sizes are still needed.

Incidence of Fetal Arrhythmia Before and During the COVID-19 Pandemic: A Single-Center Experience.

Fetal arrhythmias are rare and carry significant morbidity and mortality without appropriate treatment. Initial reports exist of fetal arrhythmia in the setting of maternal COVID-19 infection. Our study sought to evaluate incidence of fetal arrhythmia before and during the COVID-19 pandemic at our institution. This retrospective cohort study from a tertiary care fetal cardiac center utilized the institutional REDCap database to search fetal arrhythmia diagnostic codes. Medical records of mother-fetus dyads were reviewed and data were collected on diagnoses, gestational age, treatment regimen, and postnatal outcomes. Patients were divided into pre-COVID and peri-COVID segments. 8368 total pregnancies were evaluated during the 7.3years of study period. Forty-five patients (0.5%) had a significant fetal arrhythmia and were included in this study: 19 (42%) in the pre-COVID-19 group and 26 (58%) in the peri-COVID-19 group. No patients had associated congenital heart disease. There was a notable increase in the incidence of fetal supraventricular tachycardia (SVT) (1.82 per 1000 vs 2.65 per 1000 pregnancies) and complete heart block (1.04 per 1000 vs 1.77 per 1000 pregnancies) but no apparent change in other tachyarrhythmias during the COVID era. The proportion of antibody-mediated complete heart block increased from 50 to 87.5%. There was also an increase in the percentage of SVT patients requiring postnatal treatment during COVID-19 (53.8% vs 62.5%). Our experience shows an increased incidence of some fetal arrhythmia diagnoses during the COVID-19 pandemic. Additional multi-center studies will be necessary to fully evaluate the increased burden of fetal arrhythmias during the COVID-19 era as well as to elucidate etiology.

Feasibility study of expectant management of different degrees of vaginal fluid in pregnant women with premature rupture of membranes in the second trimester

Objective: To investigate the feasibility of expectant management of different degrees of vaginal fluid in pregnant women with premature rupture of membranes in the second trimester. Methods: A retrospective cohort study was conducted to collect 103 pregnant women who were diagnosed with premature rupture of membranes in the second trimester of pregnancy and insisted on continuing the pregnancy in Shanxi Bethune Hospital from July 2012 to July 2022. According to the degree of vaginal fluid, pregnant women were divided into rupture group (with typical vaginal fluid, 48 cases) and leakage group (without typical vaginal fluid, 55 cases). The rupture latency (the time from rupture of membranes to termination of pregnancy), gestational weeks of termination, indications and methods of termination of pregnancy, maternal infection related indicators and perinatal outcomes were compared between the two groups. Univariate regression model was used to analyze the correlation between different degrees of vaginal fluid in pregnant women with premature rupture of membranes and maternal and neonatal outcomes. Results: (1) Obstetric indicators: there was no significant difference in the gestational age of rupture of membranes between the two groups (P>0.05). However, the proportion of rupture latency >28 days in the leakage group was significantly higher than that in the rupture group [42% (23/55) vs 13% (6/48); χ2=33.673, P<0.001], and the incidence of pregnancy termination ≥28 weeks was significantly higher [47% (26/55) vs 19% (9/48); χ2=9.295, P=0.002]. (2) Indications and methods of termination: the incidence of progressive reduction of amniotic fluid as the indication for termination in the leakage group was significantly lower than that in the rupture group [22% (12/55) vs 42% (20/48); χ2=4.715, P=0.030], and the incidence of full-term termination in the leakage group was significantly higher than that in the rupture group [31% (17/55) vs 12% (6/48); χ2=5.008, P=0.025], while there were no significant differences in the indications of termination of pregnancy, including amniotic cavity infection, uterine contraction failure and fetal distress between the two groups (all P>0.05). The incidence of induced labor or spontaneous contraction in the leakage group was significantly lower than that in the rupture group [53% (29/55) vs 81% (39/48); χ2=9.295, P=0.002], while the cesarean section rate and vaginal delivery rate were similar between the two groups (both P>0.05). (3) Infection related indicators: the incidence of amniotic cavity infection in the leakage group was significantly higher than that in the rupture group [31% (17/55) vs 13% (6/48); χ2=4.003, P=0.045]. However, there were no significant differences in the elevation of inflammatory indicators, the positive rate of cervical secretion bacterial culture and the incidence of tissue chorioamnionitis between the two groups (all P>0.05). (4) Perinatal outcomes: the live birth rate in the leakage group was significantly higher than that in the rupture group [51% (28/55) vs 27% (13/48); χ2=5.119, P=0.024]. The proportion of live births with 1-minute Apgar score >7 in the leakage group was significantly higher than that in the rupture group [38% (21/55) vs 17% (8/48); χ2=4.850, P=0.028]. However, there were no significant differences in the birth weight of live births and the incidence of neonatal complications between the two groups (all P>0.05). (5) Univariate regression analysis showed that compared with the rupture group, the leakage group had a higher risk of pregnancy termination at ≥28 gestational weeks (RR=2.521, 95%CI: 1.314-4.838; P=0.002), amniotic infection (RR=2.473, 95%CI: 1.061-5.764; P=0.025), perinatal survival (RR=1.880, 95%CI: 1.104-3.199; P=0.014). Conclusion: Compared with pregnant women with typical vaginal fluid in the second trimester of premature rupture of membranes, expectant treatment for pregnant women with atypical vaginal fluid is more feasible, which could effectively prolong the gestational weeks and improve the perinatal live birth rate.

Aetiology and use of antibiotics in pregnancy-related infections: results of the WHO Global Maternal Sepsis Study (GLOSS), 1-week inception cohort

BackgroundPregnancy-related infections are important contributors to maternal sepsis and mortality. We aimed to describe clinical, microbiological characteristics and use of antibiotics by source of infection and country income, among hospitalized women with suspected or confirmed pregnancy-related infections.MethodsWe used data from WHO Global Maternal Sepsis Study (GLOSS) on maternal infections in hospitalized women, in 52 low-middle- and high-income countries conducted between November 28th and December 4th, 2017, to describe the frequencies and medians of maternal demographic, obstetric, and clinical characteristics and outcomes, methods of infection diagnosis and causative pathogens, of single source pregnancy-related infection, other than breast, and initial use of therapeutic antibiotics. We included 1456 women.ResultsWe found infections of the genital (n = 745/1456, 51.2%) and the urinary tracts (UTI) (n = 531/1456, 36.5%) to be the most frequent. UTI (n = 339/531, 63.8%) and post-caesarean skin and soft tissue infections (SSTI) (n = 99/180, 55.0%) were the sources with more culture samples taken and microbiological confirmations. Escherichia coli was the major uropathogen (n = 103/118, 87.3%) and Staphylococcus aureus (n = 21/44, 47.7%) was the commonest pathogen in SSTI. For 13.1% (n = 191) of women, antibiotics were not prescribed on the same day of infection suspicion. Cephalosporins (n = 283/531, 53.3%) were the commonest antibiotic class prescribed for UTI, while metronidazole (n = 303/925, 32.8%) was the most prescribed for all other sources. Ceftriaxone with metronidazole was the commonest combination for the genital tract (n = 98/745, 13.2%) and SSTI (n = 22/180, 12.2%). Metronidazole (n = 137/235, 58.3%) was the most prescribed antibiotic in low-income countries while cephalosporins and co-amoxiclav (n = 129/186, 69.4%) were more commonly prescribed in high-income countries.ConclusionsDifferences in antibiotics used across countries could be due to availability, local guidelines, prescribing culture, cost, and access to microbiology laboratory, despite having found similar sources and pathogens as previous studies. Better dissemination of recommendations in line with antimicrobial stewardship programmes might improve antibiotic prescription.