Abstract
Objective To assess the significance and the relationship of BODE index score and inflammation factors in stable chronic obstructive pulmonary disease(COPD).Methods Sixty COPD patients in their stable condition were evaluated for BODE index score and the level of tumor necrosis factor-α(TNF-α),interleukin-8(IL-8) and C reactive protein (CRP) were determined.Results BODE index score in COPD patients was positively correlated with serum concentrations of TNF-α,IL-8 (r =0.455,P < 0.01 ; r =0.303,P <0.05),but not with CRP (r =0.111,P =0.398).IL-8 and TNF-α were both significantly negatively correlated to body mass index(BMI),force exhale volume of the first second (FEV1) and 6 minute walking distance (6MWD) (r=-0.417,P <0.01;r=-0.538,P<0.01;r =-0.419,P<0.01 for IL-8;and r=-0.262,P<0.05;r=-0.348,P<0.01;r=-0.334,P<0.01 for TNF-α).Conclusion The BODE index,as a simple multidimensional grading system for COPD,is closely related to system inflammation,which indicates that system inflammation may contribute to the systemic development of COPD. Key words: Chronic obstructive pulmonary disease; BODE index score; Tumor necrosis factor-α; Interleukin-8
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