“…407 BeneÞ ts include reduced school or work absence, reduced exacerbation rate, improved symptom control and reduced attendance at the emergency department. 629,630 Proactive structured review, as opposed to opportunistic or unscheduled review, is associated with reduced exacerbation rate and days lost from normal activity. 626,631,632 It is difÞ cult to be prescriptive about the frequency of review as need will vary with the severity of the disease.…”