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The Effects of Different Flow Settings on Lung Impedance

Healthy Clinical Trial

Official title:
The Effects of Different Flow Settings on Lung Impedance Using Two New HFNC Devices: A Randomized Crossover Study on Healthy Volunteers

Clinical Trial Summary

This prospective, randomized crossover trial will enroll adult healthy volunteers. Initially, the subject's peak inspiratory flow will be measured using a mask connected with a respiratory monitor. Subsequently, the volunteers will undergo HFNC treatment at different flow settings while their peak inspiratory flow will be continuously monitored. The primary outcome of this study is the lung aeration with different flow settings. Secondary outcomes include the lung aeration with different devices, subject's comfort at different flow settings, and the correlation between the subject's peak inspiratory flow measured by HFNC and by a mask connected with a respiratory monitor.

Clinical Trial Description

Background: High-flow nasal cannula (HFNC) is a device that can reduce the work of breathing (WOB) and improve oxygenation by providing a flow that matches or exceeds patient's peak inspiratory flow during tidal breathing. Despite its widespread use, there remains a lack of consensus regarding the optimal flow settings. Two new HFNC devices that can provide information regarding patient's peak tidal inspiratory flow breath by breath are recently available, which might help guide set and titrate the flow settings. This study aims to investigate the effects of different flow settings on lung impedance in a cohort of healthy volunteers by using the two new HFNC devices. Methods: This prospective, randomized crossover trial will enroll adult healthy volunteers. Initially, the subject's peak inspiratory flow will be measured using a mask connected with a respiratory monitor. Subsequently, the volunteers will undergo HFNC treatment at different flow settings while their peak inspiratory flow will be continuously monitored. The primary outcome of this study is the lung aeration with different flow settings. Secondary outcomes include the lung aeration with different devices, subject's comfort at different flow settings, and the correlation between the subject's peak inspiratory flow measured by HFNC and by a mask connected with a respiratory monitor. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06228703
Study type Interventional
Source Rush University Medical Center
Contact Omar Alamoudi
Phone 312-563-4643
Email Omar_A_Alamoudi@rush.edu
Status Recruiting
Phase N/A
Start date May 19, 2024
Completion date December 31, 2024
View Details
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