IMPORTANCE Detailed information about the association of COVID-19 with outcomes in pregnant individuals compared with not-infected pregnant individuals is much needed. OBJECTIVE To evaluate the risks associated with COVID-19 in pregnancy on maternal and neonatal outcomes compared with not-infected, concomitant pregnant individuals. DESIGN, SETTING, AND PARTICIPANTSIn this cohort study that took place from March to October 2020, involving 43 institutions in 18 countries, 2 unmatched, consecutive, not-infected women were concomitantly enrolled immediately after each infected woman was identified, at any stage of pregnancy or delivery, and at the same level of care to minimize bias. Women and neonates were followed up until hospital discharge.EXPOSURES COVID-19 in pregnancy determined by laboratory confirmation of COVID-19 and/or radiological pulmonary findings or 2 or more predefined COVID-19 symptoms. MAIN OUTCOMES AND MEASURESThe primary outcome measures were indices of (maternal and severe neonatal/perinatal) morbidity and mortality; the individual components of these indices were secondary outcomes. Models for these outcomes were adjusted for country, month entering study, maternal age, and history of morbidity.RESULTS A total of 706 pregnant women with COVID-19 diagnosis and 1424 pregnant women withoutCOVID-19diagnosiswereenrolled,allwithbroadlysimilardemographiccharacteristics(mean [SD] age, 30.2 [6.1] years). Overweight early in pregnancy occurred in 323 women (48.6%) with
Objective To determine the performance of screening for pre-eclampsia (PET) by maternal characteristics and uterine artery pulsatility index (PI) at 11 + 0 to 13 + 6 weeks' gestation. Methods
Abstract-This study aimed to establish a method of screening for pregnancy hypertension by a combination of maternal variables, including mean arterial pressure, uterine artery pulsatility index, pregnancy-associated plasma protein-A, and placental growth factor in early pregnancy. The base-cohort population constituted of 7797 singleton pregnancies, including 34 case subjects who developed preeclampsia (PE) requiring delivery before 34 weeks (early PE) and 123 with late PE, 136 with gestational hypertension, and 7504 cases subjects (96.3%) who were unaffected by PE or gestational hypertension. Maternal history, uterine artery pulsatility index, mean arterial pressure, and pregnancy-associated plasma protein-A were recorded in all of the cases in the base cohort, but placental growth factor was measured only in the case-control population of 209 cases who developed hypertensive disorders and 418 controls. In each case the measured mean arterial pressure, uterine artery pulsatility index, pregnancy-associated plasma protein-A, and placental growth factor were converted to a multiple of the expected median (MoM) after correction for maternal characteristics found to affect the measurements in the unaffected group. Early PE and late PE were associated with increased mean arterial pressure (1. Key Words: first-trimester screening Ⅲ mean arterial pressure Ⅲ uterine artery Doppler Ⅲ PAPP-A Ⅲ placental growth factor Ⅲ preeclampsia P reeclampsia (PE), which affects Ϸ2% of pregnancies, is a major cause of maternal and perinatal morbidity and mortality. [1][2][3][4] In the United Kingdom, the National Institute for Clinical Excellence has issued guidelines on routine prenatal care recommending that at the first prenatal visit a woman's level of risk for PE should be evaluated so that a plan for her schedule of prenatal visits can be formulated. 5 There is no proven effective method for the prevention of PE. Nevertheless, routine prenatal care in the last 50 years has evolved with the aim of early identification of women at high-risk for PE, which could potentially improve pregnancy outcome. Intensive maternal and fetal monitoring in such patients would lead to an earlier diagnosis of the clinical signs of the disease and the associated fetal growth restriction and avoid the development of serious complications through such interventions as the administration of antihypertensive medication and early delivery. Early identification of the high-risk group for the development of PE is also important for future studies investigating the potential role of pharmacological interventions starting from the first trimester to improve placentation and reduce the prevalence of the disease.The traditional method of screening for PE is maternal history. The likelihood of developing PE is increased in black compared with white women, in nulliparous compared with parous women, in those with a high body mass index (BMI), and in those with a previous or family history of PE. 6 However, screening on the basis of such history would identify Ϸ3...
Objectives To investigate the incidence of clinical, ultrasonographic and biochemical findings related to pre‐eclampsia (PE) in pregnancies with COVID‐19, and to assess their accuracy to differentiate between PE and the PE‐like features associated with COVID‐19. Design A prospective, observational study. Setting Tertiary referral hospital. Participants Singleton pregnancies with COVID‐19 at >20+0 weeks. Methods Forty‐two consecutive pregnancies were recruited and classified into two groups: severe and non‐severe COVID‐19, according to the occurrence of severe pneumonia. Uterine artery pulsatility index (UtAPI) and angiogenic factors (soluble fms‐like tyrosine kinase‐1/placental growth factor [sFlt‐1/PlGF]) were assessed in women with suspected PE. Main outcome measures Incidence of signs and symptoms related to PE, such as hypertension, proteinuria, thrombocytopenia, elevated liver enzymes, abnormal UtAPI and increased sFlt‐1/PlGF. Results Thirty‐four cases were classified as non‐severe and 8 as severe COVID‐19. Five (11.9%) women presented signs and symptoms of PE, all five being among the severe COVID‐19 cases (62.5%). However, abnormal sFlt‐1/PlGF and UtAPI could only be demonstrated in one case. One case remained pregnant after recovery from severe pneumonia and had a spontaneous resolution of the PE‐like syndrome. Conclusions Pregnant women with severe COVID‐19 can develop a PE‐like syndrome that might be distinguished from actual PE by sFlt‐1/PlGF, LDH and UtAPI assessment. Healthcare providers should be aware of its existence and monitor pregnancies with suspected pre‐eclampsia with caution. Tweetable abstract This study shows that a pre‐eclampsia‐like syndrome could be present in some pregnancies with severe COVID‐19.
At the beginning of the COVID-19 pandemic, the extent of the risks of a COVID infection during pregnancy were unknown. During the start of the pandemic, there were only a few studies published comparing outcomes between pregnant women with and without COVID-19 infections. The INTERGROWTH-21st Consortium conducted a prospective, longitudinal, observational study (INTERCOVID), which assessed the association between COVID-19 and maternal/neonatal outcomes in pregnant women with a COVID-19 diagnosis compared with enrolled pregnant women without a COVID-19 diagnosis.This study enrolled patients from 43 hospitals in 18 different countries between March 2020 and October 2020. As a comparison group, the researchers enrolled 2 unmatched, consecutive, uninfected women immediately after each infected woman was identified, at any stage of pregnancy or delivery, and at the same level of care. Both women and neonates were followed until hospital discharge. COVID-19 was diagnosed by laboratory confirmation and/or radiological pulmonary findings or 2 or more predefined COVID-19 symptoms. The primary outcomes of the study were indices of maternal and severe neonatal/perinatal morbidity and mortality.In all, 706 pregnant women with a COVID-19 diagnosis and 1424 pregnant women without a COVID-19 diagnosis were enrolled. The women had broadly similar demographic characteristics (mean [SD] age, 30.2 [6.1] years). Three hundred twentythree women were overweight early in pregnancy (48.6%) with COVID-19 diagnosis and 554 women (40.2%) without. Women with COVID-19 diagnosis were more likely to have preeclampsia/eclampsia (relative risk [
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