Scientific News
A selection of scientific articles on Cardio Pulmonary, Lung Function, Metabolism and Body Composition
Airways resistance and specific conductance for the diagnosis of obstructive airways diseases
23 February 2016
Respiratory Research Journal published a study on the importance of Airway resistance (RAW) and specific airway conductance (sGAW) measurements through body plethysmography. This study, based on 975 patients tested, investigated the contribution of RAW and sGAW to a diagnosis of obstructive airways disease and their role in differentiating asthma…
Lung Function Tests in Preschool Children
05 February 2016
A new study has been published in the Turkish Thoracic Journal reviewing the available techniques for the measurement of lung function in preschool children. This study focuses on two different techniques that can be used in clinical practice, such as the interrupter technique and the forced oscillation technique. For both techniques, normal valu…
Chronic obstructive pulmonary disease with lung cancer: Prevalence, severity, and common pathogenesis
25 January 2016
A new study published on the Journal of Cancer Research and Therapy focuses on the relationship between COPD and lung cancer. The aim of this study is to develop a clinical prediction model of contribution of chronic obstructive pulmonary disease (COPD) to the pathogenesis of lung cancer, by reporting the estimated prevalence and severity by GOLD…
Third party validation of Quark PFT with X9 PNT for spirometry and DLco measurements
22 January 2014
Quark PFT with the new X9 multi-use pneumotach performed with acceptable accuracy versus Spirometry and DLco simulators at the Hans Rudolph facilities of Shawnee, Kansas (USA) in 2011. Quark PFT with X9 pneumotach was validated at Hand Rudolph Inc. laboratories against a Flow Volume Simulator (HRI FVS 1120 series generating the standard ATS/ERS 2…
The impact of emphysema on cardiopulmonary response to exercise in COPD patients
22 November 2012
A new study shows for the first time the ventilatory response to exercise in COPD patients with emphysema. Sixteen patients with moderate to severe emphysema, quantified by high resolution computed tomography scan (HRCT), were studied. All participants underwent a full lung function evaluation with Quark PFT, including spirometry, diffusing capac…
Comparison Of Two Devices For Assessment Of Interrupter Resistance In Preschool Children
18 May 2012
A study was presented during 2012 ATS validating the Rint measurements obtained with Rocc Pony FX option. The study, by the University of Florence (Italy) together with the University of Herston (QLD, Australia), aimed to establish whether the Rint measurements obtained with the Pony spirometry device are similar to those obtained with Microrint…
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