Bronchodilator responsiveness: interpret with caution
نویسندگان
چکیده
منابع مشابه
Bronchodilator responsiveness: interpret with caution.
Bronchodilator responsiveness (BDR) is widely considered to be a key diagnostic criterion for asthma, and is used to differentiate asthma from chronic obstructive pulmonary disease (COPD). Currently, the threshold of a 12% increase in FEV1 from baseline following inhaled salbutamol, with at least a 200 ml increase in absolute terms, is recommended as a response indicative of asthma, although re...
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BACKGROUND The significance of the presenilin 1 (PSEN1) Glu318Gly polymorphism has been described as either a causal mutation with reduced penetrance or a benign polymorphism. When this polymorphism is found in a symptomatic person with a family history of dementia, counseling on recurrence risk becomes very problematic. OBJECTIVE To demonstrate that the PSEN1 Glu318Gly polymorphism should be...
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Serum procalcitonin (PCT), which is usually produced in thyroid Ccells, is a precursor of calcitonin. In general, PCT is not released into the blood and, therefore, cannot be detected in healthy individuals [1]. However, serum procalcitonin increased significantly in response to stimulation by bacterial infections showing a favorable pharmacokinetic profile as clinical markers for bacterial inf...
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The degree of acute improvement in spirometric indices after bronchodilator inhalation varies among chronic obstructive pulmonary disease (COPD) patients, and depends upon the type and dose of bronchodilator and the timing of administration. Acute bronchodilator responsiveness at baseline was examined in a large cohort of patients with moderate-to-very-severe COPD participating in the Understan...
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To the Editor:-We read with interest the article by Zhou and Dexter on the use of prediction bounds to assist scheduling of add-on cases.‘ We acknowledge that the authors have addressed an important topic in operating-room efficiency; however, we have certain concerns as to the practical utility of the current version of this approach. Table 1 in their article supplies data on the quality of 50...
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ژورنال
عنوان ژورنال: Thorax
سال: 2012
ISSN: 0040-6376,1468-3296
DOI: 10.1136/thoraxjnl-2012-201966