TY - JOUR T1 - Review: anticholinergics in addition to β<sub>2</sub> agonists improve outcome in children and adults with acute asthma JF - Evidence Based Medicine JO - Evid Based Med SP - 21 LP - 21 DO - 10.1136/ebm.11.1.21 VL - 11 IS - 1 A2 - , Y1 - 2006/02/01 UR - http://ebm.bmj.com/content/11/1/21.abstract N2 - Rodrigo GJ, Castro-Rodriguez JA. Anticholinergics in the treatment of children and adults with acute asthma: a systematic review with meta-analysis. Thorax 2005;60:740–6.OpenUrlFREE Full Text 
 
 Q In children and adults with acute asthma exacerbations, do inhaled anticholinergic agents plus β2 agonists improve outcome more than β2 agonists alone? Clinical impact ratings GP/FP/Primary care ★★★★★★☆ Internal medicine ★★★★★★☆ Emergency medicine ★★★★★★☆ Allergy &amp; immunology ★★★★★★☆ Respirology ★★★★★☆☆ Paediatrics ★★★★★★☆ Data sources: Medline, EMBASE/Excerpta Medica, CINAHL, and the Cochrane Controlled Trials Register (to April 2005); hand searches of the reference lists of relevant articles and the top 20 respiratory journals; and the pharmaceutical company. Study selection and assessment: randomised controlled trials (RCTs), published as full articles in any language, that compared single or repeated doses of inhaled anticholinergic agents plus inhaled β2 agonists with inhaled β2 agonists alone for treatment of children (1.5–17 y of age) or adults (⩾18 y of age) with acute exacerbations … ER -