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Pulmonary Physiology: Pulmonary Physiology |

Application of Impulse Oscillometry in Central Airway Obstruction

Tang Haiyan, PhD
Author and Funding Information

Peking University First Hospital, Beijing, China


Copyright 2016, American College of Chest Physicians. All Rights Reserved.


Chest. 2016;149(4_S):A485. doi:10.1016/j.chest.2016.02.505
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Extract

SESSION TITLE: Pulmonary Physiology

SESSION TYPE: Original Investigation Poster

PRESENTED ON: Saturday, April 16, 2016 at 11:45 AM - 12:45 PM

PURPOSE: Central airway obstruction (CAO) is defined as airflow limitation in trachea, left and right main bronchus and bronchus intermedius. Causes of CAO are diverse, and mostly can be improved by interventional bronchoscopy. Impulse oscillometry (IOS) is one of the methods of measuring the resistance of the airways and has been used to assess airway obstruction, but limited data are available in patients with CAO. We conducted this retrospective study to assess the usefulness of IOS in central airway obstruction and whether the location and type of obstruction have impact on their IOS parameters.

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