Pulmonary Mechanics in Patients with Pulmonary Disease, Studied with the Flow Regulator Method

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Abstract
Pulmonary resistance and elastic recoil were studied in patients with ob structive disease. The curves showing elastic recoil pressure versus thoracic gas volume and resistance versus elastic recoil pressure are proposed as a basis for evaluation of parenchymal and bronchial derangement, respectively. The relationships between those curves and the static and dynamic lung volumes were studied. It was concluded that static lung volumes reflect parenchymal properties. Specific information on the properties of the bronchi is not easily obtained from spirometric data.