نتایج جستجو برای: fvc
تعداد نتایج: 4963 فیلتر نتایج به سال:
[Purpose] This study was conducted to investigate the effect of exercise training using transcranial direct current stimulation (tDCS) on breathing in patients with chronic stroke patients. [Subjects and Methods] Thirty chronic stroke patients who do not show abnormal response to electric stimulation were enrolled in this study and each 15 subjects were randomized either into the study group an...
Purpose The purpose of this study was to examine the effect of pulmonary function through intermittent positive pressure ventilator(IPPV) exercises in the patients with spinal cord injury. Methods In order to demonstrate the effect of the study that IPPV group(n=13) and pursed lips breathing(PLB) group(n =11) and general physical therapy(GPT) group(n=9) were randomly assigned to proceed with th...
We sought to identify whether reductions in cutaneous active vasodilation during simulated orthostasis could be assigned solely to cardiopulmonary or to carotid baroreflexes by unloading cardiopulmonary baroreceptors with low levels of lower body negative pressure (LBNP) or unloading carotid baroreceptors with external pressure applied over the carotid sinus area [carotid pressure (CP)]. Skin b...
The spectral unmixing of a linear mixture model (LMM) with Normalized Difference Vegetation Index (NDVI) constraints was performed to estimate the fraction of vegetation cover (FVC) over the earth’s surface in an effort to facilitate long-term surface vegetation monitoring using a set of environmental satellites. Although the integrated use of multiple sensors improves the spatial and temporal ...
BACKGROUND Current COPD guidelines advocate a fixed < 0.70 FEV1/FVC cutpoint to define airflow obstruction. We compared rate of lung function decline in respiratory symptomatic 40+ subjects who were 'obstructive' or 'non-obstructive' according to the fixed and/or age and gender specific lower limit of normal (LLN) FEV1/FVC cutpoints. METHODS We studied 3,324 respiratory symptomatic subjects r...
Split low dose total-body irradiation (TBI) with 150 cGy was assessed for its efficacy in modifying the disease induced in DBA/2 mice by the polycythemia-inducing strain of the Friend virus complex (FVC-P, composed of a Friend murine leukemia helper virus and a spleen focus-forming virus). All FVC-P injected mice were dead within 40 days; however, infected mice receiving TBI on days 5 and 12 ex...
Vegetation measures are crucial for assessing changes in the ecological environment. Fractional vegetation cover (FVC) provides information on growth status, distribution characteristics, and structural of vegetation. An in-depth understanding dynamic urban FVC contributes to sustainable development civilization urbanization process. However, change detection using multi-temporal remote sensing...
BACKGROUND We see patients who present with spirometry airflow limitation despite their forced expiratory volume in one second (FEV1) as well as forced vital capacity (FVC) to be supernormal (FEV1/FVC < 70%, both the %FEV1 and the %FVC ≧ 100%) in asymptomatic healthy non-smokers. Based on previous studies, we hypothesized these spirometry conditions (results measured with spirometry) could be s...
The relationship of ventilatory function to cardiovascular events was studied in 12,511 men and women, enrolled in 1976-1978 in a prospective population study. Until the end of 1983, 388 subjects died because of a cardiovascular disease, 133 died within 30 days of developing myocardial infarction (fatal myocardial infarction), while 238 had a non-fatal myocardial infarction. Cox proportional ha...
BACKGROUND The extent of lung involvement visualized by high-resolution computed tomography (HRCT) is a predictor of decline in forced vital capacity (FVC) in scleroderma-interstitial lung disease. Our objective was to evaluate the performance of three different HRCT-defined staging systems in the Scleroderma Lung Study I (SLS I) over a 1-year period. METHODS We assessed two visual semiquanti...
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