• Emel Bulcun, Mehmet Ekici, Aydanur Ekici, and Ucler Kisa.
• Department of Pulmonary Medicine, University of Kirikkale, Faculty of Medicine, Kirikkale, Turkey. emelbulcun@hotmail.com
• COPD. 2013 Apr 1; 10 (2): 186-92.

BackgroundMicroalbuminuria is an important risk factor for cardiovascular diseases. Microalbuminuria may be seen due to hypoxemia in patients with chronic obstructive pulmonary disease (COPD).ObjectivesIn this study, we investigated prevalence and relationship of microalbuminuria with clinical and physiological parameters in patients with COPD.MethodDuring the research, 66 consecutive patients with COPD and 40 cases smokers with normal spirometry were included. The urinary albumin creatinin ratio (UACR) was calculated according to previously described formula. The presence of microalbuminuria was defined as UACR being ≥20 in men and ≥30 in women. The severity index of chronic diseases was evaluated by using MCIRS.ResultsThe rate of presence of microalbuminuria and UACR were higher in patients with COPD than smokers with normal spirometry. Pearson correlation analysis showed a significant inverse relationship between UACR and PaO2, FEV1%, FVC%. On the other hand, there was a positive relationship between UACR and BODE index. There was a significant relationship between the presence of microalbuminuria with PaO2 and BODE index. In the linear regression model, there was a negative relationship between UARC and PaO2 yet there was a significantly positive relationship between UARC and MCIRS score, BODE index. In the logistic regression model, the presence of microalbuminuria showed significant associations with PaO2, BODE index.ConclusionMicroalbuminuria may be seen in patients with COPD, depending on the severity of disease and hypoxemia. Microalbuminuria in patients with severe COPD should be examined in regular periods for risk of cardiovascular morbidity or mortality.

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