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Does gestational diabetes mellitus affect respiratory outcome in late-preterm infants?
G P G Fung1, L M Chan1, Y C Ho1
1Department of Paediatrics and Adolescent Medicine, United Christian Hospital, Hong Kong.
Insights
Gestational diabetes mellitus (GDM) increases the risk of respiratory complications in late-preterm infants. Infants born to mothers with GDM experienced higher rates of transient tachypnea of the newborn and required more respiratory support.
Area of Science:
- Neonatal Medicine
- Maternal-Fetal Medicine
- Pediatric Respiratory Medicine
Background:
- Gestational diabetes mellitus (GDM) and late-preterm delivery are independently linked to neonatal respiratory issues.
- The combined risk of GDM and late-preterm birth on respiratory outcomes is not well understood.
Purpose of the Study:
- To evaluate the independent impact of GDM on respiratory outcomes in infants born between 34-36 weeks' gestation.
Main Methods:
- A retrospective cohort study compared 130 late-preterm infants born to mothers with GDM to 781 infants born to mothers without GDM.
- Infants were delivered between January 2009 and August 2012.
Main Results:
- Infants in the GDM group had higher incidences of transient tachypnea of the newborn (TTN) and air leak.
- The GDM group required more respiratory support (oxygen, CPAP, ventilation) and neonatal intensive care, with longer hospital stays.
- GDM was an independent risk factor for TTN, CPAP use, mechanical ventilation, and neonatal intensive care.
Conclusions:
- GDM independently increases the risk of severe respiratory complications in late-preterm infants.
- Enhanced monitoring and prompt interventions are crucial for managing these infants.
Background:
Both gestational diabetes mellitus (GDM) and late-preterm delivery at 34-36 weeks' gestation are independently associated with neonatal respiratory complications, but it is unknown whether their combination increases further its risk. We therefore appraised the independent effect of GDM on the respiratory outcome of late-preterm infants.
Methods:
In a retrospective cohort study, respiratory outcome of 911 infants delivered at 34-36 weeks' gestation between 1 January 2009 and 30 August 2012 from mothers with GDM (study group, n=130) was compared with infants delivered at the same gestation by mothers without GDM (control group, n=781).
Results:
The study group had significantly higher incidence of transient tachypnoea of newborn (TTN, p=0.02) and air leak (p=0.012), and required more respiratory support, including oxygen, continuous positive airway pressure (CPAP), mechanical ventilation and neonatal intensive care, with a longer length of hospital stay, but not duration on respiratory support. On logistic regression analysis, GDM is an independent risk factor for TTN (aOR=1.5, 95% C.I.1.0-2.4), CPAP (aOR=2.37, 95% C.I. 1.05-4.89), mechanical ventilation (aOR=4.02 95% C.I. 1.57-10.32) and neonatal intensive care (aOR 1.83, 95% C.I. 1.05-3.87).
Conclusions:
Our results demonstrated an independent effect of GDM on the risk of severe respiratory complications in late-preterm infants. Additional close monitoring and timely intervention are necessary in the management of these infants.
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