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Updated: Jul 9, 2026
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Published on: September 16, 2022
A comparison of LISA versus InSurE: A single center experience
T Queliz1,2, J A Perez3,4, M J Corrigan1
1Orlando Health Winnie Palmer Hospital for Women & Babies, Alexander Center for Neonatology, USA.
Background:
Less invasive surfactant replacement therapy (SRT) methods have been linked to better respiratory outcomes. The primary aim of this study was to determine if Less Invasive Surfactant Administration (LISA) altered the rate of bronchopulmonary dysplasia (BPD) in preterm infants. Secondary objectives were to determine if LISA compared to Intubation Surfactant Extubation (InSurE) resulted in different respiratory outcomes and hospital course.
Methods:
In this retrospective chart review, outcomes were compared in two preterm infant groups (25-32 weeks gestation). Infants in Group 1 received surfactant replacement therapy (SRT) via InSurE method, while infants in Group 2 received SRT via LISA method.
Results:
Regardless of SRT method utilized, there were no significant differences in rates of BPD between the two groups in infants born at 25-32 weeks gestation (30.6% vs 33.3%; P = 0.47).
Conclusions:
Despite using LISA method rather than InSurE for SRT, premature infants continue to be at high risk for BPD. LISA shows promise as a safe, noninvasive SRT alternative to invasive methods like InSurE.
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