Heart & lung : the journal of critical care · 2026
Optimizing daily spontaneous breathing trial timing to expedite extubation.
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Nesbitt Nathan, Zimmer Jamie, Bellomy Ryan, Amin Emily
Аннотация
BACKGROUND: Spontaneous breathing trials (SBTs) are a crucial tool used to assess patients who are being mechanically ventilated for extubation readiness.
OBJECTIVES: As a quality improvement initiative, we have conducted a pre-post implementation study to evaluate whether changing the daytime scheduling of an SBT results in a reduction in SBT completion to extubation timing.
METHODS: We conducted a retrospective chart review of randomly selected general medical intensive care unit patients before and after an SBT timing change from 0500-0600 to 0800-0900 over a 13-month period. We reviewed 220 subjects in the pre-intervention group and 226 in the post-intervention group, and data analysis was performed using scipy.stats in Python.
RESULTS: There was a significant reduction in the time from SBT to extubation in the 0800-0900 group compared to the 0500-0600 group (1.13 [0.48, 2.67] vs 3.63 [1.32, 6.32] h, p = <0.001).
CONCLUSION: Therefore, we concluded that among this sample of intubated MICU subjects, changing SBT timing from 0500-0600 to 0800-0900 resulted in a significant decrease in SBT to extubation time. Reducing the SBT to extubation time minimizes the need to re-sedate a patient to promote continued ventilator tolerance. Thus, our results show that evaluating daily SBT timing can be a valuable quality improvement intervention that impacts patient centered outcomes.
OBJECTIVES: As a quality improvement initiative, we have conducted a pre-post implementation study to evaluate whether changing the daytime scheduling of an SBT results in a reduction in SBT completion to extubation timing.
METHODS: We conducted a retrospective chart review of randomly selected general medical intensive care unit patients before and after an SBT timing change from 0500-0600 to 0800-0900 over a 13-month period. We reviewed 220 subjects in the pre-intervention group and 226 in the post-intervention group, and data analysis was performed using scipy.stats in Python.
RESULTS: There was a significant reduction in the time from SBT to extubation in the 0800-0900 group compared to the 0500-0600 group (1.13 [0.48, 2.67] vs 3.63 [1.32, 6.32] h, p = <0.001).
CONCLUSION: Therefore, we concluded that among this sample of intubated MICU subjects, changing SBT timing from 0500-0600 to 0800-0900 resulted in a significant decrease in SBT to extubation time. Reducing the SBT to extubation time minimizes the need to re-sedate a patient to promote continued ventilator tolerance. Thus, our results show that evaluating daily SBT timing can be a valuable quality improvement intervention that impacts patient centered outcomes.