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1.
Pediatr Infect Dis J ; 39(12): e439-e443, 2020 12.
Article in English | MEDLINE | ID: mdl-33060519

ABSTRACT

Coronavirus disease, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is mainly transmitted through droplets, but other ways of transmission have been hypothesized. We report a case of vertical transmission of SARS-CoV-2 in a preterm born to an infected mother, confirmed by the presence of the virus in the neonatal blood, nasopharyngeal and oropharyngeal swabs collected in the first half an hour of life. The neonate presented with acute respiratory distress, similar to the findings in severely affected adults. This case highlights the importance of pregnancy, labor and neonatal period surveillance of affected mothers and their newborns.


Subject(s)
COVID-19/complications , COVID-19/diagnosis , Infectious Disease Transmission, Vertical , Pregnancy Complications, Infectious/diagnosis , Pregnancy Complications, Infectious/etiology , Severe Acute Respiratory Syndrome/diagnosis , Severe Acute Respiratory Syndrome/etiology , Adult , Biomarkers , COVID-19/epidemiology , COVID-19/transmission , Female , Humans , Infant, Newborn , Polymerase Chain Reaction , Pregnancy , Pregnancy Complications, Infectious/epidemiology , Radiography, Thoracic , Severe Acute Respiratory Syndrome/epidemiology , Severe Acute Respiratory Syndrome/transmission , Tomography, X-Ray Computed
2.
Diagn. prenat. (Internet) ; 24(4): 135-140, oct.-dic. 2013.
Article in English | IBECS | ID: ibc-119178

ABSTRACT

Introduction: Hypertensive disorders of pregnancy, intrauterine growth restriction (IUGR) and preterm delivery are pathologies associated with significant fetal and maternal morbidity and mortality. This study evaluates the usefulness of false positive results for trisomy 21 prenatal screening and isolated changes in biochemical screening markers for the identification of increased risk for those pregnancy complications. Method: Two case–control studies were performed: the association of those pathologies with a false positive screening (Integrated or Double) and the distribution of the biochemical markers, PAPP-A, free beta-hCG and alpha-Fetoprotein (AFP), in affected and unaffected pregnant women. The population included all the 4224 pregnant women who underwent prenatal screening for trisomy 21 in Hospital S. Francisco Xavier, Lisbon, between March 2003 and August 2007. Results: The association was significant (P < 0.05) between IUGR and false positives for Integrated and 2nd trimester screening and between IUGR and isolated changes in the three biochemical markers. Isolated changes of PAPP-A and AFP were significantly associated with preterm delivery and hypertensive disorders of pregnancy, respectively. Conclusion: Screening false positive results or isolated changes in biochemical screening markers are surrogate markers of increased risk for placental pathology. This information is available before 20 weeks of gestation and can be used in follow-up (AU)


Introducción: La hipertensión del embarazo, el retraso del crecimiento intrauterino (RCIU) y el parto prematuro son enfermedades asociadas a morbimortalidad maternofetal significativa. Este estudio evalúa la utilidad de los falsos positivos y de los cambios aislados en los marcadores bioquímicos del cribado prenatal de la trisomía 21 para la identificación de un mayor riesgo para estas enfermedades. Método: Se hicieron 2 estudios caso-control: uno de la asociación entre los falsos positivos por el cribado (integrado y del segundo trimestre) y aquellas enfermedades y otro de la distribución de los marcadores bioquímicos, PAPP-A, fracción libre de la beta-hCG y alfa-fetoproteína (AFP), en mujeres embarazadas afectadas y no afectadas. La población de estudio incluyó todos los 4.224 cribados realizados en el Hospital S. Francisco Xavier (Lisboa), entre marzo de 2003 y agosto de 2007. Resultados: La asociación fue significativa (p < 0,05) entre el RCIU y los falsos positivos del cribado integrado y del segundo trimestre y entre el RCIU y los cambios aislados de los 3 marcadores bioquímicos. Los cambios aislados de PAPP-A y AFP se asociaron significativamente con el parto prematuro y la hipertensión del embarazo, respectivamente. Conclusión: Los falsos positivos en el cribado o cambios aislados en los marcadores bioquímicos son marcadores indirectos de un mayor riesgo de efermedad placentaria. Esta información está disponible antes de las 20 semanas de gestación y puede ser utilizada en el seguimiento del embarazo (AU)


Subject(s)
Humans , Female , Pregnancy , Down Syndrome/diagnosis , Pre-Eclampsia , False Positive Reactions , Prenatal Diagnosis/methods , Pregnancy Complications/diagnosis , Neonatal Screening , Case-Control Studies
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