eISSN: 1644-4124
ISSN: 1426-3912
Central European Journal of Immunology
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4/2007
vol. 32
 
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abstract:


Clinical immunology
Evaluation of the protease-antiprotease balance disorder in smoking and non-smoking patients treated for acute chronic obstructive pulmonary disease (COPD) at different clinical stages of the illness

Andrzej Kuźmiński
,
Zbigniew Bartuzi
,
Michał Przybyszewski
,
Magdalena Żbikowska-Gotz
,
Andrzej Dziedziczko
,
Małgorzata Graczyk

(Centr Eur J Immunol 2007; 32 (4): 212-215)
Online publish date: 2007/12/10
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Introduction: The purpose of this paper is to present the level of protease-antiprotease balance disorder with patients hospitalised for acute COPD depending on the stage of the condition in relation to smokers and non-smokers.
Materials and Methods: The research was carried out on 61 patients with COPD. They consisted of 27 women and 34 men; 32 smokers and 30 non-smokers, age 18-82 (average 59.9±12 years). All patients underwent: measurement of concentrations: alfa-1-antiproteinase (α1-PI) and elastase (EN) (ELISA Immuno Diagnostic) in serum.
Results: A negative Spearman correlation between the concentration of elastase and the concentration of 1-antiprotease in the group of patients with severe and serious COPD and in the smokers’ group; respectively (r=–0.845 and p=0.001); (r=–0.529 and p=0.014) and (r=–0.506 and p=0.003). Statistically significant difference of elastase concentrations between the severe COPD group (by GOLD) and the remaining groups with p<0.05. Statistically significant difference of EN and α1-PI concentrations between the groups of smokers and non-smokers; with p<0.0001 and p=0.027.
Conclusions: Patients with COPD develop a severe protease-antiprotease balance disorder to the advantage of proteases. The balance disorder increases together with an increase in the level of COPD. Smoking increases the protease-antiprotease balance disorder and constitutes a significant risk factor for the intensification of irreversible obstructive changes within the respiratory system with patients with COPD. Giving up smoking causes a decrease in the adverse changes in the balance and is the most significant factor that improves the prognosis for patients with COPD.
keywords:

elastase, alfa-1-antiproteinase, COPD, protease-antiprotease balance

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