Histamine levels following adenosine monophosphate challenge
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Subsensitivity to bronchoprotection against adenosine monophosphate challenge following regular once-daily formoterol.
Regular treatment with inhaled long-acting beta2-agonists leads to subsensitivity to their bronchoprotective effects, although the effect of dosing frequency on this subsensitivity is not known. The aim of this study was to assess whether a once-daily dosing regimen with formoterol might be associated with a lesser degree of subsensitivity. In a randomized placebo-controlled double-blind, doubl...
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RATIONALE Airway hyperresponsiveness to adenosine monophosphate (AMP) has been validated as a surrogate marker for airway inflammation. We wished to know whether an abbreviated challenge at the final threshold dose would produce the same fall in FEV1 as a full, conventional dose-response challenge. METHODS Seventeen patients with mild-to-moderate asthma (mean FEV1, 75.5% predicted) attended f...
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Adenosine 5'-monophosphate (AMP) and methacholine are commonly used to assess airway hyperreactivity. However, it is not fully known whether the site of airway constriction primarily involved during challenges with either agent is similar. Using a ventilation distribution test, we investigated whether the constriction induced by each agent involves the lung periphery in a similar fashion. Venti...
متن کاملNephrogenous Cyclic Adenosine Monophosphate
An abstract ofthis work appeared in 1976. Clin. Res. 24: 456A. (Abstr.) Dr. Broadus' present address is Division of Endocrinology, Department of Internal Medicine, Yale University, New Haven, Conn. 06510. Received for publication 20 April 1976 and in revisedform 13 June 1977. the validity of the measurements and the expressions employed.
متن کاملAdenosine monophosphate deaminase deficiency
Keywords Disease name and synonyms AMP deaminase AMP deaminase deficiency Diagnosis criteria-definition Differential diagnosis Prevalence Clinical description Management Etiology Diagnostic methods Unresolved questions References Abstract There are two types of adenosine monophosphate deaminase deficiency. Myoadenylate deaminase deficiency is an inherited disorder of muscular energy metabolism ...
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ژورنال
عنوان ژورنال: Respiratory Medicine
سال: 2005
ISSN: 0954-6111
DOI: 10.1016/j.rmed.2004.09.003