Biphasic quantitative CT to classify a residual volume-defined subclinical gas-trapping phenotype: development and internal validation of a multivariable model. [PDF]
Li F +10 more
europepmc +1 more source
Predictive Value of the COPD Assessment Test Combined with Five-Repetition Sit-to-Stand Test for Impaired Exercise Tolerance in Primary Care COPD Patients: A Comparative Study with Cardiopulmonary Exercise Testing. [PDF]
Yang T +8 more
europepmc +1 more source
Monitoring of breathing effort through pressure time product measurement using airway occlusion pressure (PTP<sub>POCC</sub> study). [PDF]
Gogniat E +11 more
europepmc +1 more source
Validation of the Formulas for Mechanical Power in Children and Proposal of the Concept of "Effective Mechanical Power". [PDF]
Ferrón-Vivó M +10 more
europepmc +1 more source
Intrasubject variability of maximal expiratory flow volume curve. [PDF]
Analysis of airflow in the terminal portion of the maximal expiratory flow volume curve has been suggested as a useful test for the early diagnosis of chronic airways obstruction. Whether such an analysis can identify early disease, and whether any subsequent action can prevent the progress of chronic airways obstruction, is unknown and will require ...
T J Clark, G M Cochrane
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Validity of simple physical models in interpreting maximal expiratory flow-volume curves
Respiration Physiology, 1972Abstract The effort independent portion of the maximal expiratory flow-volume (MEV) curve can be described by means of simple equations representing one-compartment physical models, based on Mead's equal pressure point (EPP) concept. Three such descriptions have been tested on flow-volume curves obtained in 17 healthy individuals during forced ...
K P van de Woestijne +2 more
exaly +3 more sources
Quantifying the shape of the maximal expiratory flow–volume curve in mild COPD
Respiratory Physiology and Neurobiology, 2015Maximal expiratory flow-volume (MEFV) curve evaluation using absolute and percent predicted values of flow and volume are used to diagnose respiratory disease, but the shape of the curve is rarely used. Three mathematical methods were used to quantify shape of MEFV curves in subjects with mild COPD (n=19) and matched healthy controls (n=15). Those with
Paolo B Dominelli +2 more
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The Maximal Expiratory Flow-Volume Curve in Normal Subjects in India
Chest, 1986Data on pulmonary function, with particular reference to flow-volumes, were obtained in 760 normal healthy Indians in Bombay, who had never smoked and who had no symptom or history of cardiorespiratory disease. Prediction equations were derived for spirometric parameters and for maximal expiratory flows. The maximal expiratory flow-volume curves showed
F E, Udwadia +3 more
exaly +3 more sources
Maximal Expiratory and Inspiratory Flow-Volume Curves in Parkinson's Disease
American Review of Respiratory Disease, 1989Abstract In order to investigate the type and degree of upper airway obstruction (UAO) in a group of patients with Parkinson's disease in different stages of the disease, we obtained maximal expiratory and inspiratory flow-volume (MEFV and MIFV) curves and maximal static mouth pressures.
J M, Bogaard +4 more
openaire +2 more sources

