Impact of Specialized Nursery Care for Late Preterm Infants on NICU Admission Rate and Length of Stay.

Objective: To compare neonatal intensive care unit (NICU) admission rates and length of stay (LOS) of late preterm infants (LPIs) born before and after opening a specialized care nursery (SCN) at our academic, pediatric tertiary care center with ∼4,500 total deliveries annually.

Study Design: Retrospective chart review of inborn LPIs (35(0/7)-36(6/7) weeks) who were asymptomatic or minimally symptomatic at birth and delivered 7 months before the opening of the SCN (pre-SCN) or 7 months subsequently (post-SCN). Infants were excluded for major congenital anomalies or other conditions requiring immediate NICU admission. The pre-SCN options for care were standard couplet care or NICU. The post-SCN options for care were standard couplet care, SCN, or NICU.

Results: Pre-SCN (n = 109), 73 (67%) infants received standard couplet care, while 36 (33%) infants were ever admitted/transferred to the NICU. Post-SCN (n = 112), 59 (53%) infants received standard couplet care, while 20 (18%) were ever admitted/transferred to the NICU. A total of 33 (29%) infants were admitted/transferred to the SCN and avoided a NICU stay. Median LOS for all infants was 3 days.

Conclusion: The frequency of LPIs admitted/transferred to the NICU decreased by ∼50% after the opening of the SCN. LOS did not differ by birth cohort, but did differ significantly by location of care (standard couplet care < SCN < NICU).