Objective
To determine the rate of adverse events associated with endotracheal intubation in newborns and modifiable factors contributing to these events.
Study design
We conducted a prospective, observational study in a 100-bed, academic, level IV Neonatal Intensive Care Unit (NICU) from September 2013 through June 2014. We collected data on intubations using standardized data collection instruments with validation by medical record review. Intubations in the delivery or operating rooms were excluded. The primary outcome was an intubation with any adverse event. Adverse events were defined and tracked prospectively as non-severe or severe. We measured clinical variables including number of attempts to successful intubation and intubation urgency (elective, urgent or emergent). We used logistic regression models to estimate the association of these variables with adverse events.
Results
During the study period, 304 intubations occurred in 178 infants. Data were available for 273 intubations (90%) in 162 patients. Adverse events occurred in 107 (39%) intubations with non-severe and severe events in 96 (35%) and 24 (8.8%) intubations, respectively. Increasing number of intubation attempts (odds ratio [OR] 2.1, 95% confidence intervals [CI], 1.6–2.6) and emergent intubations (OR 4.7, 95% CI, 1.7– 13) were predictors of adverse events. The primary cause of emergent intubations was unplanned extubation (62%).
Conclusion
Adverse events are common in the NICU, occurring in 4 of 10 intubations. The odds of an adverse event doubled with increasing number of attempts and quadrupled in the emergent setting. Quality improvement efforts to address these factors are needed to improve patient safety.
Our interventions resulted in a 10% absolute reduction in AEs that was sustained. Implementation of a standardized checklist for intubation made the greatest impact, with reductions in both AEs and bradycardia.
Although initial consensus about which readmissions were more likely preventable was difficult to achieve, the overall rate of preventable pediatric 15-day readmissions was low. Pediatric readmissions are unlikely to serve as a highly productive focus for cost savings or quality measurement.
These results indicate that introduction of an objective transfusion algorithm in pediatric cardiac surgery significantly reduces perioperative blood product utilization and mortality, without increasing postoperative chest tube losses.
Mass-transfer enhancement by a stream of bubbles rising near a planar, vertical surface is resolved spatially and temporally using a micromosaic electrode. A stream of gas bubbles is generated electrolytically, either at a segment directly below and in the plane of the monitoring electrodes, or at a wire tip that can be positioned inside or outside the mass-transfer boundary layer. The mass-transfer enhancement resulting from bubbles rising within the mass-transfer boundary layer is found to be strong and localized, in agreement with trends predicted by a surface-renewal model. Mass transfer resulting from bubbles rising outside the boundary layer is found to receive a steady, laminar enhancement, correlating well with predictions from an idealization of the bubble stream entraining a cylinder of liquid.
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