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Asthma represents a serious global health problem. People of all ages in countries throughout the world are affected by this chronic airway disorder that, when uncontrolled, can place severe limits on daily life and can even be fatal. Asthma cannot be removed, but asthmatic symptoms can be cured; as for many other chronic diseases, pharmacotherapy is important to reduce the risk of asthma-related mortality, decrease disability and improve symptoms and quality of life. The action of antiasthmatic drugs directly contributes to decrease symptoms severity, improve spirometric results, reduce airway hyperresponsiveness and prevent irreversible airway remodelling. Antiasthmatic therapy is necessary for long-term control of asthma symptoms. Asthma and antiasthmatic drugs can influence patient's quality of life: this is why healthcare systems have recently focused on research studies about Health-Related Quality of Life (HRQL) in asthmatic patients. Numerous validated questionnaires are available and many studies have been performed evaluating HRQL in people affected by asthma, thus testifying a great interest in this topic. The aims of the present review are to examine the scientific literature of the last 4 years (January 2004-December 2007) dealing with the impact of asthma treatments suggested by Global Initiative for Asthma guidelines on patients' quality of life, and to identify the unexplored or not fully investigated areas concerning this issue.
Baiardini et al. (2008) studied this question.