The Science Journal of the American Association for Respiratory Care

2009 OPEN FORUM Abstracts

CORRELATIONAL STUDY FOR PREDICTOR VARIABLES AFFECTING DURATION ON BUBBLE CPAP

Alison Stoeri; Georgia State University, Atlanta, GA

BACKGROUND: Bubble CPAP (BCPAP) is used in the neonatal intensive care unit (NICU) as a form of non-invasive ventilation and is commonly employed in neonates demonstrating respiratory distress. BCPAP may be used to avoid the need for intubation and mechanical ventilation thereby reducing lung injury and other morbidities as well as decrease hospital stay. METHODS: A retrospective study investigating the length of stay on BCPAP considering gestational age, birth weight, and surfactant delivery using existing data between October 1st, 2007 and April 1st, 2009 from an urban tertiary high load level three NICU was completed. The data was used to answer the preset research questions. Data analysis was performed using SPSS 16.0 including descriptive statistics, contingency tables and Pearson product-moment correlations. RESULTS: Descriptive statistics indicated the mean gestational age at birth to be 32.263 weeks SD = ±2.978, mean neonatal weight to be 1.899 kg SD = ±0.728, and mean length of time on BCPAP to be 124.430 hours SD = ±185.474. Contingency statistics showed a substantial association (reta = 0.562) between the gestational age at birth and surfactant delivery, a very strong association (reta = 1.000) between the birth weight and surfactant delivery, and a very strong association (reta = 0.914) between the length of time the neonate was on BCPAP and surfactant delivery. Pearson product-moment correlation coefficients showed gestational age at birth has a very strong positive association with birth weight (r = 0.811, p < 0.01) and a moderate negative association with length of time on BCPAP (r = -0.439, p < 0.01). Intercorrelations also showed birth weight has a moderate negative association with length of time on BCPAP (r = -0.306, p < 0.01). CONCLUSIONS: The data demonstrates that the older the gestational age at birth, the heavier the neonate’s birth weight, and the shorter length of time spent on BCPAP, the less likely that neonate was to receive surfactant delivery. The data also demonstrates that the older the neonate’s gestational age at birth, the heavier the neonatal birth weight and the shorter length of time on BCPAP. Lastly the data demonstrates that the heavier the neonate’s birth weight, the shorter length of time on BCPAP. Sponsored Research - None

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