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Medicineworld.org: New asthma predictors needed

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New asthma predictors needed




Screening tests used to predict asthma activity in patients may have little tracking success when applied to people with persistent disease who are adhering to their health care regimens, UT Southwestern Medical Center doctor report.

Prior reports have suggested that certain clinical findings and laboratory tests could help predict future asthma attacks. Those earlier conclusions, however, were based on observations of patients with poorly controlled asthma who had not received care based on current guidelines.

The newly released study appears in the recent issue of the Journal of Allergy and Clinical Immunology.



New asthma predictors needed

"It was surprising to find that factors often used to predict future asthma risk in poorly treated populations were of no clinical benefit when applied to a well-treated, highly adherent population of inner-city adolescents and young adults with persistent asthma," said Dr. Rebecca Gruchalla, chief of allergy and immunology at UT Southwestern and the newly released study's main author.

Early identification of adolescents and young adults at risk for asthma progression may lead to better therapy opportunities and improved disease outcomes in adulthood.

Typically the study involved 546 adolescents and young adults between the ages of 12 and 20 with persistent asthma, a complex disease of the airways that is characterized by variable and recurring symptoms, airflow obstruction, bronchial hyperresponsiveness and underlying inflammation.

The patients, who were in 10 cities across the U.S., received care based on National Institutes of Health (NIH) guidelines for 46 weeks and adhered to the therapy regime. Despite the large number of disease characteristics examined, none was found to be especially useful in predicting future disease activity.

In order to evaluate patient characteristics that best predicted future asthma symptoms and exacerbations, scientists looked at traditional measurements of disease activity, such as frequency of asthma symptoms and lung function, as well as various markers of inflammation and allergic hypersensitivity.

"These findings highlight the need for us to identify better clinical predictors of asthma morbidity in patients who are both well-treated and who are compliant with their therapy regimes," said Dr. Gruchalla.


Posted by: JoAnn    Source




Did you know?
Screening tests used to predict asthma activity in patients may have little tracking success when applied to people with persistent disease who are adhering to their health care regimens, UT Southwestern Medical Center doctor report. Prior reports have suggested that certain clinical findings and laboratory tests could help predict future asthma attacks. Those earlier conclusions, however, were based on observations of patients with poorly controlled asthma who had not received care based on current guidelines.

Medicineworld.org: New asthma predictors needed

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