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Asthma in adults - Prognosis

Description

An in-depth report on how asthma is diagnosed, treated, and managed in adults.

Prognosis:

Asthma is usually chronic, although it occasionally goes into long periods of remission. Long-term outlook generally depends on severity:

In mild-to-moderate cases, asthma can improve over time, and many adults even become symptom free.
Even in some severe cases, adults may experience improvement depending on the degree of obstruction in the lungs and the timeliness and effectiveness of treatment.
In about 10% of severe persistent cases, changes in the structure of the walls of the airways lead to progressive and irreversible problems in lung function, even in aggressively treated patients.

Lung function declines faster than average in people with asthma, particularly in those who smoke and in those with excessive mucus production (an indicator of poor treatment control). Overall, one study reported that 72% of men and 86% of women with asthma had symptoms 15 years after an initial diagnosis. Only 19% of these people, however, were still seeing a doctor, and only 32% used any maintenance medication.

Death from asthma is a relatively uncommon event, and most asthma deaths are preventable. It is very rare for a person who is receiving proper treatment to die of asthma.

However, even when it is not life threatening, asthma can be debilitating and frightening. Asthma that is not properly controlled can interfere with school and work, as well as daily activities.

Resources

www.lungusa.org -- The American Lung Association
www.acaai.org -- American College of Allergy, Asthma & Immunology
www.aaaai.org -- American Academy of Allergy, Asthma & Immunology
www.nhlbi.nih.gov -- National Heart, Lung, and Blood Institute
www.aafa.org -- Asthma and Allergy Foundation of America
www.aarc.org -- American Association for Respiratory Care

References

American Lung Association. Trends in asthma morbidity and mortality. American Lung Association Epidemiology & Statistics Unit Research and Program Services. November 2007.

Bateman E, Nelson H, Bousquet J, Kral K, Sutton L, Ortega H, Yancey S. Meta-analysis: effects of adding salmeterol to inhaled corticosteroids on serious asthma-related events. Ann Intern Med. 2008 Jul 1;149(1):33-42. Epub 2008 Jun 3.

Fanta CH. Asthma. N Engl J Med. 2009 Mar 5;360(10):1002-14.

Kukkonen K, Savilahti E, Haahtela T, Juntunen-Backman K, Korpela R, Poussa T, et al. Probiotics and prebiotic galacto-oligosaccharides in the prevention of allergic diseases: a randomized, double-blind, placebo-controlled trial. J Allergy Clin Immunol. 2007 Jan;119(1):192-8. Epub 2006 Oct 23.

National Asthma Education and Prevention Program Expert Panel Report: Guidelines for the Diagnosis and Management of Asthma Update on Selected Topics -- 2002. Rockville, MD. National Heart, Lung, and Blood Institute, US Dept of Health and Human Services; 2003. NIH publications 02-5074.

National Asthma Education and Prevention Program Expert Panel Report 3: Guidelines for the Diagnosis and Management of Asthma. Rockville, MD. National Heart, Lung, and Blood Institute, US Dept of Health and Human Services; 2007. NIH publications 08-4051.

Rowe BH, Spooner CH, Ducharme FM, Bretzlaff JA, Bota GW. Corticosteroids for preventing relapse following acute exacerbations of asthma. Cochrane Database Syst Rev. 2007 Jul 18;(3):CD000195.

Salpeter SR, Buckley NS, Ormiston TM, Salpeter EE. Meta-analysis: effect of long-acting beta-agonists on severe asthma exacerbations and asthma-related deaths. Ann Intern Med. 2006 Jun 20;144(12):904-12.

Schatz M, Dombrowski MP. Clinical practice. Asthma in pregnancy. N Engl J Med. 2009 Apr 30;360(18):1862-9.

Slavin RG, Haselkorn T, Lee JH, Zheng B, Deniz Y, Wenzel SE; TENOR Study Group. Asthma in older adults: observations from the epidemiology and natural history of asthma: outcomes and treatment regimens (TENOR) study. Ann Allergy Asthma Immunol. 2006 Mar;96(3):406-14.

Vliagoftis H, Kouranos VD, Betsi GI, Falagas ME. Probiotics for the treatment of allergic rhinitis and asthma: systematic review of randomized controlled trials. Ann Allergy Asthma Immunol. 2008 Dec;101(6):570-9.

Reviewed last on: 6/1/2009
Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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