نتایج جستجو برای: fvc
تعداد نتایج: 4963 فیلتر نتایج به سال:
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Objectives: To preoperatively estimate the degree of first-second forced expired volume (FEV1) and forced vital capacity (FVC) reduction 6 months after pneumonectomy, according to the preoperative performed spirometry and bronchoscopy, and to estimate if the expected postoperative values of FEV1 and FVC are in accordance with the actual values. Methods: Thirty-five patients, who underwent pneum...
Since 1991, the guidelines for interpretation of lung function tests endorsed by the American Thoracic Society (ATS) have recommended that the presence of airflow obstruction be determined by a reduction in the ratio of FEV1 to FVC (or vital capacity), but that the severity of the obstructive impairment be indicated by the reduction in FEV1 itself, expressed as a percent of its predicted value ...
We analyzed the FEV(1)/FEV(6) and FEV(1)/FVC results of 502 consecutive patients in the spirometric diagnosis of airway obstruction. We also examined the agreement between FEV(6) and FVC in the spirometric diagnosis of restriction. Technically acceptable test results were obtained from 337 subjects (67%). The sensitivity of FEV(1)/FEV(6) for diagnosing airway obstruction as defined by FEV(1)/ F...
Bilirubin is a strong antioxidant. Increased serum levels have been associated with lower respiratory disease and mortality risk. We studied the association of bilirubin with lung function in the Swiss study on Air Pollution and Lung Disease in adults (SAPALDIA) cohort. Associations between natural logarithmised bilirubin and forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC), ...
BACKGROUND Air pollution and obesity are hypothesized to contribute to accelerated decline in lung function with age through their inflammatory properties. OBJECTIVE We investigated whether the previously reported association between improved air quality and lung health in the population-based SAPALDIA cohort is modified by obesity. METHODS We used adjusted mixed-model analyses to estimate ...
Fractional green vegetation cover (FVC) is a useful parameter for many environmental and climate-related applications. A common approach for estimating FVC involves the linear unmixing of two spectral endmembers in a remote sensing image; bare soil and green vegetation. The spectral properties of these two endmembers are typically determined based on field measurements, estimated using addition...
BACKGROUND Systemic inflammation has been associated with reduced pulmonary function in individuals with and without chronic medical conditions. Individuals with chronic spinal cord injury (SCI) have clinical characteristics that promote systemic inflammation and also have reduced pulmonary function. We sought to assess the associations between biomarkers of systemic inflammation with pulmonary...
UNLABELLED To prove the effect of body position on the Forced Vital Capacity (FVC) and to find out the better position amongst the sitting and crook lying position as both are considered to be the best respiratory positions as far as FVC is concerned, but no research work is done to find out the better amongst the two. MATERIALS AND METHODS We analyzed the FVC of the randomly selected 100 sub...
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