Journal
ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES
Volume 39, Issue 6, Pages 803-810Publisher
WILEY
DOI: 10.1111/echo.15367
Keywords
fetal cardiac output; fetal echocardiography; severe acute respiratory syndrome coronavirus
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In pregnant women who recovered from SARS-CoV-2 infection, fetal cardiac output was found to be significantly reduced in severe cases, while no significant difference was observed in mild and moderate cases. This could be attributed to placental dysfunction and inflammatory cytokines.
Aim We aimed to examine fetal cardiac output (CO) in patients who recovered from severe acute respiratory syndrome Coronavirus 2 (SARS-CoV-2) infection. Materials This prospective study included 48 pregnant women recovered from SARS-CoV-2 infection and 50 control cases. SARS-CoV-2 infection was diagnosed by polymerase chain reaction (PCR) test in patients. Fetal echocardiographic evaluations were performed at 24-37 weeks of gestation in pregnant women who recovered from the infection and control group. Results The median value of ultrasound evaluation was 34 (2.6) weeks of gestation in the recovery from the SARS-CoV-2 infection (RSI) group, and 32 (7.6) weeks in the control group (p = .565). Left cardiac output (LCO) z score was significantly lower in the RSI group than the control group (p = .041). LCO and combine cardiac output (CCO) z score were significantly lower in the severe disease group than mild, moderate disease groups, and controls (p = .019 and p = .013). CCO (ml/min/kg) was decreased in the severe disease group when compared with control and mild disease groups (p = .044). Conclusion In the present study, fetal cardiac output in pregnant women who recovered from SARS-CoV-2 infection was found to be significantly reduced in those with severe disease, while there was no significant difference in mild and moderate cases. Placental dysfunction and inflammatory cytokines might cause fetal cardiac changes. Further studies could be clarified on the impact of SARS-CoV-2 infection on fetal cardiac function.
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