Publications by authors named "Irma Alejandra Coronado-Zarco"

Objective: To examine the relationship between etiologically-based preterm birth sub-groups and early postnatal growth according to gestational age at birth.

Methods: Prospective, multinational, cohort study involving 15 hospitals that monitored preterm newborns to hospital discharge. Measures/exposures: maternal demographics; etiologically-based preterm birth sub-groups; very, moderate and late preterm categories, and feeding.

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Article Synopsis
  • In early 2023, a study demonstrated that vaccinating pregnant women effectively reduces the chances of severe COVID-19 complications and maternal health issues.
  • The INTERCOVID-2022 study, conducted across 40 hospitals in 18 countries, analyzed how COVID-19 during pregnancy affects newborns and the benefits of maternal vaccination during the Omicron variant period.
  • Results showed that newborns from mothers who received a booster vaccine had significantly lower risks of contracting COVID-19 and experiencing preterm birth compared to those from unvaccinated mothers.
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Passive transplacental immunity is crucial for neonatal protection from infections. Data on the correlation between neonatal immunity to SARS-CoV-2 and protection from adverse outcomes is scarce. This work aimed to describe neonatal seropositivity in the context of maternal SARS-CoV-2 infection, seropositivity, and neonatal outcomes.

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Objectives: To develop quality of care (QoC) indicators, evaluate the quality of the processes of care (QPC) and clinical outcomes, and analyze the association between the QPC and severe clinical outcomes of preterm newborns admitted to neonatal intensive care units (NICUs).

Design: Mixed methods approach: (1) development of QoC indicators via modified RAND/UCLA method; (2) cross-sectional study of QoC evaluation and (3) multiple logistic regression analysis to ascertain the association between the QPC and severe clinical outcomes.

Setting: Two NICUs belonged to the Mexican Institute of Social Security in Mexico City.

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There is no consensus regarding how the growth of preterm infants should be monitored or what constitutes their ideal pattern of growth, especially after term-corrected age. The concept that the growth of preterm infants should match that of healthy fetuses is not substantiated by data and, in practice, is seldom attained, particularly for very preterm infants. Hence, by hospital discharge, many preterm infants are classified as postnatal growth-restricted.

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