At a glance
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Comparison of Cardio-respiratory Variables Between Low-frequency High Frequency Oscillation With/Without Tracheal Gas Insufflation and High-frequency High-frequency Oscillation in Severe ARDS.
In Brief
A Phase 1 clinical trial evaluating High Frequency Oscillation for Acute Respiratory Distress Syndrome and Acute Cor Pulmonale. Completed, enrolled 17 participants across 1 site.
Detailed Summary
Recent data from large trials of high-frequency high frequency oscillation (HFO) without a cuff leak vs, lung-protective conventional ventialtion (CMV) failed to show any HFO-related benefit with respect to outcome. A possible explanation is that HFO increases the probability of right ventricular dysfunction due to the combination of high mean airway pressures (mPaws) and hypercapnia. In contrast, available preliminary data on low-frequency HFO-tracheal gas insufflation (TGI) with cuff leak vs. CMV are suggestive of an HFO-TGI related benefit. Low-frequency HFO-TGI with a cuff leak is associated with relatively low mean tracheal pressures and adequate control of PaCO2. Thus, the investigators intend to test the hypothesis that low frequency HFO +/- TGI with a cuff leak is associated with better right ventricular function relative to high-frequency HFO without a cuff leak.
Study Details
Timeline
Interventions
Comparison of low frequency HFO/HFO-TGI with cuff leak and high frequency HFO without cuff leak on right ventricular function