New data examines effect of inhaled corticosteroids (ICS) on survival in patients with chronic obstructive pulmonary disease (COPD)
The findings of a retrospective database study examining the effect of inhaled corticosteroids (ICS) on survival in COPD patients1 were presented today at the American College of Chest Physicians CHEST 2002 Annual Conference in San Diego.
The investigators identified male and female patients, ages 40 and older, who were enrolled in the Lovelace and Kaiser Permanente-Georgia health plans during 1995 to 2000 and who had a diagnosis of COPD. In total, 1,685 patients were identified: the ’exposed groups’ consisted of patients who had 90 days or more use of ICS (n= 786), ICS plus salmeterol (n=332) or salmeterol without ICS (n=170); the reference, or ’unexposed,’ group (n=397) were patients who had not used ICS or a long-acting beta2-agonist but had been exposed to another respiratory drug for 90 days or more.
Robin Gaitens | EurekAlert!
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Innsbruck quantum physicists have constructed a diode for magnetic fields and then tested it in the laboratory. The device, developed by the research groups led by the theorist Oriol Romero-Isart and the experimental physicist Gerhard Kirchmair, could open up a number of new applications.
Electric diodes are essential electronic components that conduct electricity in one direction but prevent conduction in the opposite one. They are found at the...
Max Planck researchers revel the nano-structure of molecular trains and the reason for smooth transport in cellular antennas.
Moving around, sensing the extracellular environment, and signaling to other cells are important for a cell to function properly. Responsible for those tasks...
Researchers at the University of New Hampshire have captured a difficult-to-view singular event involving "magnetic reconnection"--the process by which sparse particles and energy around Earth collide producing a quick but mighty explosion--in the Earth's magnetotail, the magnetic environment that trails behind the planet.
Magnetic reconnection has remained a bit of a mystery to scientists. They know it exists and have documented the effects that the energy explosions can...
Biochips have been developed at TU Wien (Vienna), on which tissue can be produced and examined. This allows supplying the tissue with different substances in a very controlled way.
Cultivating human cells in the Petri dish is not a big challenge today. Producing artificial tissue, however, permeated by fine blood vessels, is a much more...
Faster and secure data communication: This is the goal of a new joint project involving physicists from the University of Würzburg. The German Federal Ministry of Education and Research funds the project with 14.8 million euro.
In our digital world data security and secure communication are becoming more and more important. Quantum communication is a promising approach to achieve...
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