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흡연력과 폐기능에 대한 혈중 호중구 , 호산구 및 호산구성 양이온 단백의 관계에 관한 연구
박병규(Byung Kyu Park),김준홍(Jun Hong Kim),고원욱(Won Ook Ko),이준상(Jun Sang Lee),성낙현(Nak Heon Seoung),박승근(Seung Keun Park),박순규(Soon Kew Park),신영기(Young Kee Shin),이인태(In Tae Lee),박정현(Jung Hyun Park),김치학(Chi Hak 대한내과학회 1997 대한내과학회지 Vol.52 No.2
Objectives: A prospective study was performed to find out the correlation between neutrophil, eosinophil and eosinophilic cationic protein (ECP) the granular protein in eosinophil - and smoking history and pulmonary function change, Methods: In this study there were seventy smokers and seventy lifetime nonsmokers. None of them had the history of atopy, or the evidence of parasitic infestation. Smoking history, spirometric pulmonary function test and blood samples for CBC, serum ECP were analyzed. Results: 1) Eosinophil and neutophil count was elevated in the smokers compared with the nonsmokers. 2) Serum ECP was elevated in smokers and the magnitude of this increase was greater than that of eosinophil count. 3) In the smokers, there was a direct proportional correlation between serum ECP and FEV1, but inverse proportional correlation between neutophil count and FEV. 4) In the smokers, neutrophil count was elevated regardless of FEV value. 5) The level of serum ECP well correlated with the daily tobacco consumption but not with the duration of smoking or pack-year consumption. Conclusion: Incresed neutrophil count, decreased eosinophil count and decreased serum ECP level could be useful in the understanding of pathophysiology of lung parenchymal destruction in smokers.