Tuberc Respir Dis.  2001 Jul;51(1):35-43. 10.4046/trd.2001.51.1.35.

Association of Plasma Eotaxin with Asthma Exacerbation and Severity

Abstract

BACKGROUND
The eosinophil chemotactic and activating effects of eotaxin and the known association of eosinophils with asthma suggest that eotaxin expression is increased during an asthma attack. This study was aimed to determine whether the plasma eotaxin levels are higher in patients during as asthma attack and to correlate the eotaxin levels with the disease activity, severity and response to therapy. METHOD: A case-control study of the plasma eotaxin levels was performed in 100 patients with exacerbated asthma and 48 age-and sex-matched subjects with stable asthma.
RESULTS
The plasma eotaxin levels were significantly higher in the 100 patients with exacerbated asthma (233±175 pg/ml) than in the 48 subjects with stable asthma(169±74 pg/ml). A tread toward higher eotaxin levels was observed in asthmatic subjects who were taking oral steroids (332±225 pg/ml) than in those who were not (214±159 pg/ml) and higher levels were found in those admitted to the hospital (275±212 pg/ml) than in those discharged after receiving only emergency treatment (190±115 pg/ml). The eotaxin levels inversely correlated with the FEV1 (r=-0.25, p<0.01). The eotaxin levels were higher in moderate persistent (323±256 pg/ml) and severe persistent asthmatics (276±170 pg/ml) than in mild intermittent asthmatics (160±60 pg/ml).
CONCLUSION
Eotaxin expression is directly associated with asthma exacerbation, impaired pulmonary function and the disease severity.

Keyword

Eotaxin; Asthma exacerbation; Severity

MeSH Terms

Asthma*
Case-Control Studies
Emergency Treatment
Eosinophils
Humans
Plasma*
Steroids
Steroids
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