Lung Volumes in Diffuse Obstructive Pulmonary Syndromes
نویسندگان
چکیده
منابع مشابه
Lung volumes in diffuse obstructive pulmonary syndromes.
Lung volumes in irreversible diffuse obstructive pulmonary syndromes (DOPS(I)) have been studied by using an analog of the lung that simulates an 18-breath nitrogen washout. The functional residual capacity (FRC), the dead space volume (Vd), the distribution of ventilation, as well as the pattern of lung emptying have been measured in normal subjects and those with obstructive syndromes. The Vd...
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The length-tension properties of alveolar wall from normal cats were studied before and after exposure to enzymes naturally found in mammals (elastase, trypsin, collagenase, hyaluronidase). Hyaluronidase effected little change while all the proteolytic enzymes altered the mechanical properties of lung tissue. Collagenase removed the "mechanical stop" and the alveolar walls fractured at low forc...
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Forty subjects with severe debilitating irreversible diffuse obstructive pulmonary syndrome were studied over a 4-year period. They were found to utilize denial, repression, and isolation to protect their failing respiratory systems from environmental inputs. Failure of these defenses led to physiologic and psychologic deterioration. Psychosocial assets were found to be as important as the phys...
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STUDY OBJECTIVES To determine the correlates of static lung volumes in patients with airways obstruction, and to determine if static lung volumes differ between asthma and COPD. PATIENTS AND METHODS We examined the data from all of the adult patients (mean age of 69) who were referred to a pulmonary function laboratory from January 1990 through July 1994 with an FEV1/FVC ratio of < 0.70 and t...
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ژورنال
عنوان ژورنال: Journal of Clinical Investigation
سال: 1974
ISSN: 0021-9738
DOI: 10.1172/jci107656