Objectives: We sought to investigate how race, ethnicity, and socioeconomic status relate to tracheostomy insertion and post-tracheostomy mortality among infants with bronchopulmonary dysplasia (BPD). Methods: The Vizient Clinical Database/Resource Manager was queried to identify infants born ≤32 weeks with BPD admitted to US hospitals from January 2012 to December 2020. Markers of socioeconomic status were linked to patient records from the Agency for Healthcare Research and Quality's Social Determinants of Health Database. Regression models were used to assess trends in annual tracheostomy insertion rate and odds of tracheostomy insertion and posttracheostomy mortality, adjusting for sociodemographic and clinical factors. Results: There were 40,021 ex-premature infants included in the study, 1614 (4.0%) of whom received a tracheostomy. Tracheostomy insertion increased from 2012 to 2017 (3.1%-4.1%), but decreased from 2018 to 2020 (3.3%-1.6%). Non-Hispanic Black infants demonstrated a 25% higher odds (aOR 1.25, 1.09-1.43) and Hispanic infants demonstrated a 20% lower odds (aOR 0.80, 0.65-0.96) of tracheostomy insertion compared with non-Hispanic White infants. Patients receiving public insurance had increased odds of tracheostomy insertion (aOR 1.15, 1.03-1.30), but there was no relation between other metrics of socioeconomic status and tracheostomy insertion within our cohort. In-hospital mortality among the tracheostomy-dependent was 14.1% and was not associated with sociodemographic factors. Conclusions: Disparities in tracheostomy insertion are not accounted for by differences in socioeconomic status or the presence of additional neonatal morbidities. Post-tracheostomy mortality does not demonstrate the same relationships. Further investigation is needed to explore the source and potential mitigators of the identified disparities.
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Extracorporeal life support (ECLS) is a treatment for acute respiratory failure that can provide extracorporeal gas exchange, allowing lung rest. However, while most patients remain mechanically ventilated during ECLS, there is a paucity of evidence to guide the choice of ventilator settings. We studied the associations between ventilator settings 24 hours after ECLS initiation and mortality in pediatric patients using a retrospective analysis of data from the Extracorporeal Life Support Organization Registry. 3497 patients, 29 days to 18 years of age, treated with ECLS for respiratory failure between 2015 and 2021, were included for analysis. 93.3% of patients on ECLS were ventilated with conventional mechanical ventilation. Common settings included positive end-expiratory pressure (PEEP) of 10 cm H 2 O (45.7%), delta pressure (ΔP) of 10 cm H 2 O (28.3%), rate of 10-14 breaths per minute (55.9%), and fraction of inspired oxygen (FiO 2 ) of 0.31-0.4 (30.3%). In a multivariate model, PEEP >10 cm H 2 O (versus PEEP < 8 cm H 2 O, odds ratio [OR]: 1.53, 95% CI: 1.20-1.96) and FiO 2 ≥0.45 (versus FiO 2 < 0.4; 0.45 ≤ FiO 2 < 0.6, OR: 1.31, 95% CI: 1.03-1.67 and FiO 2 ≥ 0.6, OR: 2.30; 95% CI: 1.81-2.93) were associated with higher odds of mortality. In a secondary analysis of survivors, PEEP 8-10 cm H 2 O was associated with shorter ECLS run times (versus PEEP < 8 cm H 2 O, coefficient: −1.64, 95% CI: −3.17 to −0.11), as was ΔP >16 cm H 2 O (versus ΔP < 10 cm H 2 O, coefficient: −2.72, 95% CI: −4.30 to −1.15). Our results identified several categories of ventilator settings as associated with mortality or ECLS run-time. Further studies are necessary to understand whether these results represent a causal relationship.
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