eISSN: 2449-6731
ISSN: 2449-6723
Prenatal Cardiology
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Original paper

Retrospective analysis of preterm neonates with congenital heart defects delivered by cesarean section: unfavourable outcomes a neccessity for fetal cardiology education during obstetrical training?

Iwona Strzelecka
Maciej Słodki
2, 3
Katarzyna Zych-Krekora
Michał Krekora
Mariusz Grzesiak
Iwona Maroszyńska
Maria Respondek-Liberska
1, 2

  1. Department of Prophylaxis and Diagnosis of Congenital Diseases, Medical University of Lodz, Poland
  2. Department of Prenatal Cardiology, Polish Mother’s Memorial Hospital, Lodz, Poland
  3. Faculty of Health Sciences. The State University of Applied Sciences in Plock
  4. Poland.Department of Obstetrics and Gynecology, Polish Mother’s Memorial Hospital, Lodz, Poland
  5. Department of Intensive Care and Congenital Malformations of Newborns and Infants, Polish Mother’s Memorial Hospital, Lodz, Poland
Prenat Cardio 2017 Jan; 7(1):50-57
Online publish date: 2019/07/16
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Congenital heart defects are the most frequent reason for deaths during the neonatal and early infancy periods. The aim of this study was to retrospectively analyze singleton pregnancy outcomes of premature neonates with congenital cardiac defects delivered by Cesarean section.

Materials and methods
A retrospective analysis was performed on 10,800 fetuses evaluated in our referral fetal cardiac center between 2010 and 2016. A group of 58 singleton pregnancies was selected with the following criteria: fetal heart defect, Cesarean section (C-section), and gestation of 37 weeks or less. Exclusion criteria included labor outside of our hospital and multiple pregnancy.

Isolated heart defects constituted 74,1% (43 cases) of the analysed data set. The majority of newborns were delivered at 36 weeks of gestation (43,1%), with an average of 33,6 weeks. In one case (1,7%), C-section took place at 22nd week. Birth weight of newborns < 2500g constituted 51,7% (30 cases). Neonatal deaths occurred in 60,3% (35 cases).

Preterm neonates with congenital heart defect, delivered by C-section in our reference centre, during 2010 to 2016, had generally poor outcomes and high mortality rate. The average hospital stay of surviving neonates was approximately two months. An improvement of knowledge about prenatal cardiology is necessary in obstetrician management with fetuses with congenital heart diseases.


fetal heart defect, premature delivery, Cesarean section, low birth weigh

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