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Neonatal respiratory distress following elective delivery. A preventable disease?
Insights
Elective delivery before full term, often via cesarean section, significantly increases infant respiratory distress. This preventable condition leads to prolonged hospitalization and high costs, highlighting the need for better obstetric practices.
Area of Science:
- Neonatal Intensive Care
- Perinatal Medicine
- Pediatric Pulmonology
Background:
- Respiratory distress is a significant cause of morbidity in neonatal intensive care units.
- Infants born after elective interventions, such as cesarean sections or inductions, may be at higher risk.
- Previous studies have not fully elucidated the specific risks associated with elective delivery timing.
Purpose of the Study:
- To investigate the incidence and characteristics of respiratory distress in infants born after elective delivery.
- To compare the gestational age assessment between obstetric and pediatric evaluations in these infants.
- To determine the pulmonary diagnoses, hospitalization duration, and associated costs in this cohort.
Main Methods:
- Retrospective analysis of infants admitted to a neonatal intensive care unit between November 1973 and April 1974.
- Inclusion criteria: infants with respiratory distress born after elective intervention.
- Data collected included mode of delivery, birth weight, gestational age (obstetric vs. pediatric assessment), pulmonary diagnosis, hospitalization length, and costs.
Main Results:
- Twelve percent of admissions were infants born after elective delivery (15 cesarean sections, 4 vaginal inductions).
- A significant discrepancy was noted between obstetric (mean 39 weeks) and pediatric (mean 36.2 weeks) gestational age assessments, with 11 infants showing a 3+ week difference.
- Common diagnoses included transient tachypnea (5) and respiratory distress syndrome (14), with a mean hospitalization of 23 days and costs of $3,421 per infant.
Conclusions:
- Elective delivery, particularly when performed before adequate fetal pulmonary maturity, is a significant contributor to perinatal morbidity.
- Discrepancies in gestational age assessment highlight potential issues in delivery timing decisions.
- Enhanced educational efforts targeting regional programs are crucial to reduce this preventable cause of infant respiratory distress.
Abstract:
Twelve per cent of all infants with respiratory distress admitted to our neonatal intensive-care unit from November, 1973 to April, 1974, were born after elective intervention (15 cesarean sections and four vaginal inductions). All were white and 18/19 were private compared to yearly admissions of white (56 per cent) and private (57 per cent). Eighteen of 19 were admitted from the region via the transport service. Mean birth weight was 2.69 kilograms, with 18 infants over 2 kilograms. Pediatric gestational age from a physical and neurological evaluation ranged from 32 to 39 weeks (mean 36.2 weeks) in contrast to obstetric dating which ranged from 38 to 44 weeks (mean 39 weeks). The obstetric dating was 3 or more weeks greater than the pediatric age in 11 infants. Pulmonary disease included transient tachypnea (5) and respiratory distress syndrome (14). No prior documentation of pulmonary maturity had been obtained in any of these infants. Mean hospitalization was 23 days (range 1 to 140), with estimated costs of $3,421 per baby. Two infants died. Respiratory distress following elective delivery remains a potent source of on-going perinatal morbidity. Regional programs must direct increased educational efforts to eliminate this preventable disease.