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Airflow Obstruction clinical trials

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NCT ID: NCT04217746 Active, not recruiting - Clinical trials for Chronic Obstructive Pulmonary Disease

Effects of High Flow Nasal Cannula on Sputum Clearance in Acute Exacerbation of Chronic Obstructive Pulmonary Disease

Start date: February 1, 2020
Phase: N/A
Study type: Interventional

Acute exacerbation of COPD usually presents with more sputum production leading to worsening airflow obstruction. Often patients complain of sensation of sputum (phlegm) stuck in throat, which leads to worsening cough and respiratory distress. In an acute exacerbation setting high flow nasal cannula (HFNC), which is a modality that provides humidified and warm oxygenated air at flow of upto 60L/min, has shown to reduce blood carbon dioxide level and respiratory rate. However, studies investigating other effects of HFNC in this setting are lacking. To investigators' knowledge, this is the first study investigating effects of HFNC on sputum clearance in COPD patients. The purpose of the study is to determine the effects of HFNC on sputum clearance in acute exacerbation of COPD. Primary objective of the study is to determine whether HFNC improves clearability and wettability of sputum produced during acute exacerbation of COPD. Secondary objectives of the study include subjective assessment of cough severity as well as need for escalation of care after HFNC use versus conventional flow nasal oxygen (CFNO) use.