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Obstetrical factors for death and brain injury among extremely-low-birth-weight infants

Tatsuya Fukami1, Toshiyuki Yoshizato, Toshiko Mori

  • 1Department of Obstetrics and Gynecology, School of Medicine, Fukuoka University, Fukuoka, Japan.

Journal of Perinatal Medicine
|December 7, 2007
PubMed

Insights

Extremely-low-birth-weight infants weighing less than 800g, born before 26 weeks, or with low Apgar scores face higher mortality risks. Maternal age over 30 is linked to brain injury in survivors.

Area of Science:

  • Neonatalogy
  • Perinatology
  • Obstetrics

Background:

  • Extremely-low-birth-weight (ELBW) infants (birth weight <1000 g) face significant risks of mortality and brain injury.
  • Identifying obstetrical risk factors is crucial for improving outcomes in this vulnerable population.

Purpose of the Study:

  • To investigate obstetrical risk factors associated with death and brain injury in extremely-low-birth-weight infants.
  • To inform clinical practice and enhance the care of ELBW neonates.

Main Methods:

  • A cohort of 121 ELBW infants born at a single tertiary perinatal center was analyzed.
  • Death was defined as occurring within 40 weeks corrected age. Brain injury was assessed in survivors using ultrasound and/or MRI.

Main Results:

  • Birth weight <800 g, gestational age <26 weeks, and Apgar score <5 were significantly associated with increased mortality risk in ELBW infants.
  • Maternal age of 30 years or older was associated with a higher risk of brain injury among surviving ELBW infants.

Conclusions:

  • Preventing premature delivery, particularly before 26 weeks gestation, is a critical obstetrical goal.
  • Targeted interventions and improved prediction of preterm birth are essential for reducing ELBW infant mortality and morbidity.
Abstract

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