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Neonatology ; 119(5): 619-628, 2022.
Article in English | MEDLINE | ID: covidwho-2020583


INTRODUCTION: Our objective was to compare neonatal outcomes and resource use of neonates born to mothers with SARS-CoV-2 positivity during pregnancy with neonates born to mothers without SARS-CoV-2 positivity. METHODS: We conducted a two-country cohort study of neonates admitted between January 1, 2020, and September 15, 2021, to tertiary neonatal intensive care unit (NICU) in Canada and Sweden. Neonates from mothers who were SARS-CoV-2 positive during pregnancy were compared with three randomly selected NICU neonates of mothers who were not test-positive, matched on gestational age, sex, and birth weight (±0.25 SD). Subgroup analyses were conducted for neonates born <33 weeks' gestation and mothers who were SARS-CoV-2 positive ≤10 days prior to birth. Primary outcome was duration of respiratory support. Secondary outcomes were in-hospital mortality, neonatal morbidity, late-onset sepsis, receipt of breast milk at discharge, and length of stay. RESULTS: There were 163 exposed and 468 matched neonates in Canada, and 303 exposed and 903 matched neonates in Sweden. There was no statistically significant difference in invasive or noninvasive respiratory support durations, mortality, respiratory and other neonatal morbidities, or resource utilizations between two groups in both countries in entire cohort and in subgroup analyses. Receipt of breast milk at discharge was lower in the Canadian neonates of mothers who were SARS-CoV-2 positive ≤10 days before birth (risk ratio 0.68, 95% CI: 0.57-0.82). CONCLUSION: Maternal SARS-CoV-2 positivity was not associated with increased durations of respiratory support, morbidities, mortality, or length of hospital stay in Canada and Sweden among neonates admitted to tertiary NICU.

COVID-19 , Pregnancy Complications, Infectious , COVID-19/epidemiology , Canada/epidemiology , Cohort Studies , Female , Humans , Infant, Newborn , Infectious Disease Transmission, Vertical , Intensive Care Units, Neonatal , Male , Pregnancy , Pregnancy Complications, Infectious/epidemiology , Pregnancy Outcome , SARS-CoV-2
Childs Nerv Syst ; 38(9): 1727-1734, 2022 09.
Article in English | MEDLINE | ID: covidwho-1888856


PURPOSE: To evaluate change in the severity of hypoxic-ischemic encephalopathy (HIE) and associated morbidities between pre- and during COVID-19 pandemic periods in Canada. METHODS: We conducted a retrospective cohort study extracting the data from level-3 NICUs participating in Canadian Neonatal Network (CNN). The primary outcome was a composite of death in the first week after birth and/or stage 3 HIE (Sarnat and Sarnat). Secondary outcomes included rate and severity of HIE among admitted neonates, overall mortality, brain injury on magnetic resonance imaging (MRI), neonates requiring resuscitation, organ dysfunction, and therapeutic hypothermia (TH) usage. We included 1591 neonates with gestational age ≥ 36 weeks with HIE during the specified periods: pandemic cohort from April 1st to December 31st of 2020; pre-pandemic cohort between April 1st and December 31st of 2017, 2018, and 2019. We calculated the odds ratio (OR) and confidence intervals (CI). RESULTS: We observed no significant difference in the primary outcome (15% vs. 16%; OR 1.08; 95%CI 0.78-1.48), mortality in the first week after birth (6% vs. 6%; OR 1.10, 95%CI 0.69-1.75), neonates requiring resuscitation, organ dysfunction, TH usage, or rate of brain injury. In the ad hoc analysis, per 1000 live births, there was an increase in the rate of infants with HIE and TH use. CONCLUSIONS: Severity of HIE, associated morbidities, and mortality were not significantly different during the pandemic lockdown compared to a pre-pandemic period in Canada. Anticipated risks and difficulties in accessing healthcare have not increased the mortality and morbidities in neonates with HIE in Canada.

Brain Injuries , COVID-19 , Hypothermia, Induced , Hypoxia-Ischemia, Brain , Brain Injuries/complications , Canada/epidemiology , Cohort Studies , Communicable Disease Control , Humans , Hypoxia-Ischemia, Brain/epidemiology , Hypoxia-Ischemia, Brain/pathology , Hypoxia-Ischemia, Brain/therapy , Infant , Infant, Newborn , Multiple Organ Failure/complications , Multiple Organ Failure/therapy , Pandemics , Retrospective Studies