PMID: 9188923Apr 1, 1997Paper

Serum eosinophil peroxidase (EPO) levels in asthmatic patients

Allergy
M L SanzA K Oehling

Abstract

Eosinophil granular proteins are a useful eosinophilic activation marker in asthmatic patients. In this study, the eosinophil peroxidase (EPO) levels were assessed in different stages of bronchial asthma, in 123 patients suffering from asthma, classified as mild (n =49), moderate (n = 49), and severe (n = 25), according to the International Consensus Report of Diagnosis and Treatment of Asthma, as well as in 27 healthy controls, with the aim of evaluating the importance of this protein as a severity marker in bronchial asthma, and its possible correlation with parameters such as anamnesis, respiratory function tests, and peripheral blood eosinophil count, and also with some allergologic diagnostic tests, both in vivo and in vitro. The geometric mean serum level of EPO was 9.3 +/- 11.3 ng/ml (median +/- SD) in controls, 28 +/- 37.8 ng/ml in the asthmatic patients. Depending on the asthma severity, the EPO levels were 25 +/- 30.5; 29 +/- 37.1, and 41 +/- 47.3 ng/ml in mild, moderate, and severe asthmatics, respectively, being the significant differences between the group of patients with mild and severe asthma (P < 0.001). The number of eosinophils (eos) in peripheral blood was 157 +/- 20 eos/mm3 in the controls, 334/35 eos/mm3 i...Continue Reading

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