Comparison of the Umbilical Cord Bacterial Colonization in Newborn Infants Rooming in with Mothers and Neonates Admitted to Neonatal Intensive Care Unit

Forozeshfard, Mohammad; Ghorbani, Raheb; Razavi, Mohammadreza; Danaie, Navid; Nooripour, Shamsollah

doi:10.22038/ijp.2017.25938.2208

Comparison of the Umbilical Cord Bacterial Colonization in Newborn Infants Rooming in with Mothers and Neonates Admitted to Neonatal Intensive Care Unit

Authors

Mohammad Forozeshfard ¹

Raheb Ghorbani ²

Mohammadreza Razavi ³

Navid Danaie ⁴

Shamsollah Nooripour ⁴

¹ Cancer Research Center, Semnan University of Medical Sciences, Semnan, Iran.

² Social Determinants of Health Research Center, Semnan University of Medical Sciences, Semnan, Iran.

³ Nursing Care Research Center, Semnan University of Medical Sciences, Semnan, Iran.

⁴ Department of Pediatric, Amir al-Momenin Hospital, Semnan University of Medical Sciences, Semnan, Iran.

10.22038/ijp.2017.25938.2208

Abstract

Background
Bacterial colonization during and shortly after birth are common in newborn infants. The aim of this study was to determine the umbilical cord bacterial colonization in newborn infants rooming in with mothers and neonates admitted to neonatal intensive care unit (NICU).
Materials and Methods
In a cross-sectional study, 180 newborn infants were studied in three groups including: newborn infants born via normal delivery and stayed with their mothers (n=60), newborn infants born by cesarean section and stayed with their mothers (n=60), and newborn infants admitted in NICU (n=60). Umbilical cord care was done as natural drying without use of any disinfectant or local antibiotic for all newborn infants. Bacterial culture was performed on the second day in three groups and in days of 5-7 only among the infants admitted in NICU.
Results
Among the subjects, 50% (n=90) were boy and 50% (n=90) were the first-time mothers. Normal gestational age (38 to 42 weeks) was seen in 67.2% (n=121) of subjects. Three groups had no significant differences in terms of gender (p=0.247), and first-time mothers (p=0.344), but had a significant difference in terms of gestational age (p=0.001). Staphylococcus aureus was the most common bacteria responsible for the colonization in the first culture (n=31, 17.22%), and second culture (n=17, 13.5%). Bacterial colonization was more common in newborn infants who were born by cesarean section and stayed with their mothers compared to the other groups (p<0.001).
Conclusion
According to the study, bacterial colonization was common in newborn infants who were born by cesarean section and stayed with their mothers and Staphylococcus aureus had an important role in this colonization. Future study is recommended to confirm our results.

Keywords

Cesarean section

Colonization

Delivery

Infants

Umbilical cord