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[Mortality and care level of very low birth weight newborn infants. A population study]
D Di Lallo1, R Bertollini, C A Perucci
1Osservatorio Epidemiologico Regione Lazio, Roma.
Insights
Neonatal intensive care availability did not improve survival rates for very low birth weight infants in Italy. A 1987 study found high mortality regardless of care level, suggesting systemic issues over specific interventions.
Area of Science:
- Neonatalogy
- Perinatal epidemiology
- Public health
Context:
- A 1987 population study in Italy's Lazio Region examined 314 very low birth weight (VLBW) infants.
- Investigated the relationship between neonatal intensive care availability and infant mortality.
- Fifty-two percent of VLBW infants did not survive their first year.
Purpose:
- To determine if access to neonatal intensive care units (NICUs) impacts infant mortality rates for VLBW infants.
- To assess the effectiveness of different levels of neonatal care (level 3, 2, and 1).
Summary:
- Adjusted mortality odds ratios showed no significant benefit for maternity units with NICUs (level 3) compared to those with special (level 2) or normal care (level 1).
- High overall crude mortality rates were observed across all care levels.
- Homogeneity of odds ratios suggests limited impact of NICU availability alone.
Impact:
- Findings indicate that the availability of neonatal intensive care, per se, does not improve survival for VLBW infants without a coordinated regionalized perinatal care system.
- Highlights the importance of systemic factors in perinatal care outcomes.
- Suggests potential areas for improving VLBW infant survival through integrated healthcare strategies.
Abstract:
A population study on 314 very low birth weight infants (VLBW) was carried out in 1987 in the Lazio Region of Italy to investigate the relation between the availability at birth of neonatal intensive care and infant mortality. Fifty-two percent of VLBW infants did not survive the first year of life. The mortality Odds Ratios, adjusted for four potential confounding variables, did not show a beneficial effect of Maternity units with neonatal intensive care (level 3) compared with those with special (level 2) and normal care (level 1). The overall high crude mortality rate together with the homogeneity of odds ratios among the different levels of care suggest that, when a regionalized perinatal care system is missing, as in Lazio region, the availability of neonatal intensive care, per se, does not improve the survival on this group of infants.