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Time of Day and Extubation Success

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journal contribution
posted on 2022-12-09, 14:15 authored by L. Dupree Hatch

OBJECTIVE: To determine the association of overnight extubation (OE) with extubation success.


STUDY DESIGN: Retrospective cohort study in three NICUs from 2016 to 2020. Infants without congenital anomalies, less
than 1500 grams at birth, who were ventilated and received an extubation attempt were included. Primary exposure was OE (7:00 pm–6:59 am) and outcome was extubation success defined as no mechanical ventilation for at least 7 days after extubation. 


RESULTS: A total of 76/379 (20%) infants received OE. Infants extubated during the daytime were older and had higher illness severity markers. Extubation success rates did not differ for overnight (57/76, 75%) versus daytime extubations (231/303, 76%) after adjusting for confounders (adjusted relative risk 0.95, 95% CI 0.82–1.11).


CONCLUSION: Though infants in our cohort undergoing daytime and OE were dissimilar, extubation success rates did not differ. Larger multicenter studies are needed to test our findings and identify markers of extubation readiness in preterm infants. 

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