A Rapid Methacholine Challenge Test in Patients with Asthmatic Symptoms
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SHORT TERM VARIATION OF ATROPINE BLOCKADE IN THE TRACHEOBRONCHIAL TREE OF ASTHMATIC SUBJECTS
In asthmatic subjects there is a pronounced diurnal variation in bronchial responsiveness. If this phenomenon is due to variation in factors that control drug delivery, then it should be paralleled by a similar variation in competitive antagonist blockade. In order to study this possibility, we performed the methacholine challenge test and after 45 minutes, administered atropine by inhalat...
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Background: Asthma is a life-threatening disease that can cause death due to bronchospasm. In addition to clinical symptoms such as wheezing, acute paroxysmal dyspnea, chronic cough after exposure to cold air or cough after exercise, spirometry is also necessary for the diagnosis of asthma. The association between respiratory symptoms and a positive methacholine challenge test (MCT) is still co...
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Hydroxyapatite is commonly used as a filler to replace amputated bone or as a coating to promote bone ingrowth into prosthetic implants. Many modern implants, such as hip replacements and dental implants, are coated with hydroxyapatite. We report a patient with occupational asthma due to hydroxyapatite, proven by a specific inhalation challenge, who experienced an early asthmatic reaction after...
متن کاملبررسی شیوع گونهی سرفهای آسم (Cough Variant Asthma)در بیماران مبتلا به سرفهی مزمن مراجعه کننده به بیمارستان ولیعصر (عج) زنجان در سال 1388
Background and Objective: Asthma is one of the most common chronic diseases that in some cases it is manifested as chronic coughs without any other symptoms. Cough variant asthma (CVA) is an occult form of asthma of which, the only sign or symptom is chronic cough and therefore should always be considered in the differential diagnosis of chronic coughs. The aim of the present study was to detec...
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Background: In a previous double-blind placebo-controlled study, we analyzed a high-dose sublingual immunotherapy (SLIT) ultrarush protocol in asthmatic children monosensitized to grass pollen. In the present open-label study, we assessed the effect of SLIT on symptom score and nonspecifi c bronchial hyperreactivity in the same cohort followed for 1 subsequent year. Methods: The study populatio...
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تاریخ انتشار 2000