Introduction: Chronic Obstructive Pulmonary Disease [COPD] is associated with predominantly smaller airways and lung parenchyma involvement, whereas, Asthma involves predominantly smooth muscles located in the larger airway. Spirometry involves flow volume studies which are effort and coordination dependent and Impulse Oscillometry [IOS] is done during spontaneous respiration and hence effort independent. We studied the site of airway obstruction in COPD and Asthma patients using both Impulse Oscillometry and flow volume loop and whether both methods of pulmonary function testing are comparable with each other.
Alan : Sosyal, Beşeri ve İdari Bilimler
Dergi Türü : Uluslararası
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