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Am J Perinatol 2024; 41(S 01): e1835-e1840
DOI: 10.1055/s-0043-1769471
Original Article

Effect of Maternal Coronavirus Disease on Preterm Morbidities

Gökçe Çıplak 
1   Department of Neonatology, Neonatal Intensive Care Unit, University of Health Sciences, Ankara Bilkent City Hospital, Ankara, Türkiye
,
Cem Becerir
1   Department of Neonatology, Neonatal Intensive Care Unit, University of Health Sciences, Ankara Bilkent City Hospital, Ankara, Türkiye
,
Fatma N. Sarı 
1   Department of Neonatology, Neonatal Intensive Care Unit, University of Health Sciences, Ankara Bilkent City Hospital, Ankara, Türkiye
,
Evrim Alyamaç Dizdar 
1   Department of Neonatology, Neonatal Intensive Care Unit, University of Health Sciences, Ankara Bilkent City Hospital, Ankara, Türkiye
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Abstract

Objective Coronavirus disease (COVID-19) during pregnancy may have an impact on preterm morbidities due to the inflammatory nature of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Exposure to intrauterine inflammation could result in adverse consequences in preterm infants. We aimed to determine the effect of maternal coronavirus disease on preterm morbidities at a tertiary neonatal intensive care unit.

Study Design This observational cohort study compared the clinical outcomes of preterm infants < 37 gestational weeks with and without maternal COVID-19. The study was conducted in a tertiary-level neonatal intensive care unit between March 2020 and December 2021. Demographics and clinical data of the study groups were collected from the medical files.

Results A total of 254 infants (127 in the maternal COVID-19 group and 127 in the control group) were included in the study. Respiratory distress syndrome, early and late neonatal sepsis, intraventricular hemorrhage, patent ductus arteriosus (PDA), necrotizing enterocolitis, bronchopulmonary dysplasia, and retinopathy of prematurity rates were similar between groups. In the subgroup analysis, the rate of PDA was significantly higher in preterm infants ≤1,500 g with maternal SARS-CoV-2 infection (38 vs. 15% p = 0.023). Presence of maternal COVID-19 was found to be an independent predictor for PDA in very low birthweight infants, as revealed by multivariate analyses (odds ratio: 3.4; 95% confidence interval: 1.12–10.4; p = 0.031). Mortality rates and duration of hospitalization were similar in both groups.

Conclusion Our results suggest that COVID-19 infection during pregnancy seems to have no adverse effect on preterm morbidities and mortality. However, maternal COVID-19 was found to be a risk factor for PDA in preterm infants ≤1,500 g.

Key Points

  • The effect of maternal COVID-19 on preterm morbidities still has not well defined.

  • Maternal COVID-19 seems to have no adverse effect on preterm morbidities and mortality.

  • The exact impact of the COVID-19 on fetal/neonatal health is yet to be clarified.

Keywords

COVID-19 - preterm infants - preterm morbidities - clinical outcomes


Publication History

Received: 08 November 2022

Accepted: 25 April 2023

Article published online:
31 May 2023

© 2023. Thieme. All rights reserved.

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