High-frequency vs. conventional ventilation at the time of CDH repair is not associated with higher mortality and oxygen dependency: a retrospective cohort study
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In brief
In brief
Retrospective study of 80 CDH infants comparing high-frequency oscillatory ventilation versus conventional mechanical ventilation at time of surgical repair. Propensity score analysis revealed no significant difference in 28-day mortality or oxygen dependency between ventilation modes, suggesting equivalence in clinical outcomes.
Written by the GCMD Library team from the article.
Abstract
Purpose
The VICI-trial reported that in patients with congenital diaphragmatic hernia (CDH), mortality or bronchopulmonary dysplasia (BPD) were equivalent using conventional mechanical ventilation (CMV) and high-frequency oscillatory ventilation. The purpose of this study was to determine if the mode of ventilation at the time of CDH repair affected mortality or oxygen dependence at 28 days.
Methods
We performed a retrospective cohort study of infants born wih CDH from 1991 to 2015. A generalized linear model was applied to the data using a propensity score analysis.
Results
Eighty patients met the inclusion criteria; at the time of surgery 39 (48.8%) patients were on HFV and 41 (51.3%) patients were on CMV. In the HFV group, 16 (47.1%) patients remained oxygen dependent and there were 5 (12.8%) deaths at 28 days. In the CMV group, 5 (12.2%) patients remained oxygen dependent at 28 days but none had died. The base model demonstrated that the HFV group had increased rates of oxygen dependence [OR = 6.40 (2.13, 22.2), p = 0.002]. However, after propensity score analysis, we found no difference between HFV and CMV.
Conclusion
Our study suggests that in infants with CDH, there is no significant difference between HFV and CMV in oxygen dependency or death.