id author title date pages extension mime words sentences flesch summary cache txt cord-281844-c0uhcatg Costa, Lusmaia D.C. Exacerbation of asthma and airway infection: is the virus the villain? 2014-12-31 .txt text/plain 6547 351 45 Abstract Objective To review the available literature on the association between acute viral respiratory tract infection and the onset of asthma exacerbations, identifying the most prevalent viruses, detection methods, as well as preventive and therapeutic aspects. Studies using reverse transcriptase polymerase chain reaction (RT-PCR) as the detection technique, isolated or combined with traditional methods, observed positivity for respiratory viruses in up to 92.2% of episodes of acute asthma exacerbation in children. Several authors have performed studies aiming to detect viruses in respiratory secretions of exacerbated asthma patients, showing a prevalence of viral identification that varies with several factors, such as patient age, time of the year, method of sample collection, and method of viral detection. The use of viral detection techniques with high sensitivity and specificity has increased the identification of some respiratory viruses in children with asthma exacerbation. ./cache/cord-281844-c0uhcatg.txt ./txt/cord-281844-c0uhcatg.txt