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Pulmonary Diffusing Capacity (0)
Articles on Pulmonary Diffusing Capacity
Predictive models for pulmonary function changes after radiotherapy for breast cancer and lymphoma.
To propose multivariate predictive models for changes in pulmonary function tests (ΔPFTs) with respect to preradiotherapy (pre-RT) values in patients undergoing RT for breast cancer and lymphoma. A prospective study was designed to measure ΔPFTs of patients undergoi...
Children should not be treated like little adults in the PFT lab.
Over the years a great deal of effort has been made to standardize all pulmonary function tests on adults. Many of the "rules" concerning the interpretation of the spirogram have been based entirely on adult observations. In the age of increasing conformity, and attempts to relate "a...
Which pulmonary function tests best differentiate between COPD phenotypes?
We are still at the early phase of finding useful phenotypes in COPD that can guide therapy. However, in a simple sense, "sick patients die." Many phenotypic measurements of severity correlate with mortality in COPD: FEV(1), the ratio of inspiratory capacity to total lung capacity (IC/TLC), diffusin...
Facing the noise: addressing the endemic variability in D(LCO) testing.
Single-breath diffusing capacity of the lung for carbon monoxide (D(LCO)) is a common pulmonary function test that measures the ability of the lung to exchange gas across the alveolar-capillary interface. D(LCO) testing is used to narrow the differential diagnosis of obstructive and...
What is the role of PFTs in monitoring adverse effects of surgery, drug treatments, radiation therapy, and during hospitalization?
Measurement of various aspects of pulmonary function is a relatively easy, noninvasive, and inexpensive way to gauge the status of the respiratory system. Interest in using these tests to determine risk from medical and surgical interventions stems from their presumed ability to be m...
PFT interpretive strategies: American Thoracic Society/ European Respiratory Society 2005 guideline gaps.
All pulmonologists, including those recently completing training, should be competent in critically evaluating and interpreting pulmonary function tests (PFTs). In addition, some authorities recommend that respiratory therapists learn to provide preliminary PFT interpretations for th...
How should the lower limit of the normal range be defined?
Lung function parameters vary considerably with age and body size, so that, unlike many laboratory tests, the normal range of expected values must be individualized. For spirometry, only low values are considered to be abnormal, so the lower limit of normal (LLN) is taken to be equal...
Pulmonary function testing.
Pulmonary function testing is often considered the basis for diagnosis in many categories of pulmonary disease. Although most of the testing methodologies are well established and widely employed, there are still many questions regarding how tests should be performed, how to ensure t...
Prospective external convergence evaluation of two different quality-of-life instruments in lung resection patients
The interpretation of studies on quality of life (QoL) after lung surgery is often difficult owing to the use of multiple instruments with inconsistent scales and metrics. Although a more standardized approach would be desirable, the most appropriate instrument to be used in this set...
Predicted postoperative product and diffusion heterogeneity index in the evaluation of candidates for lung resection.
The primary objective of this retrospective study was to evaluate whether abnormal predicted postoperative variables and predicted postoperative product are useful in predicting postoperative complications. The secondary objective was to assess whether an abnormal diffusion heterogeneity index is ass...