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ORIGINAL ARTICLE
Year : 2021  |  Volume : 9  |  Issue : 2  |  Page : 65-70

Microalbuminuria and serum CRP: potential biomarkers for cardiovascular risk among stable COPD


Department of Respiratory Medicine, Institute of Respiratory Diseases, SMS Medical College, Jaipur, India

Correspondence Address:
Dr. Ajith Kumar M S
Department of Respiratory Medicine, Institute of Respiratory Diseases, SMS Medical College, Room no-205, H. no-71/1, Cozy homes, Jhakareshwar Marg, Bani Park, Jaipur-302016
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jacp.jacp_2_21

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Background: Cardiovascular disease is one of the major causes of mortality in chronic obstructive pulmonary disease (COPD) patients. Both microalbuminuria (MAB) and raised serum C-reactive protein (CRP) levels have strong association with cardiovascular events as they reflect generalized endothelial vascular dysfunction. The objectives of the study are (i) to assess the prevalence of MAB and serum CRP levels in stable COPD patients and (ii) to find out the relationship of MAB and serum CRP with clinical and physiological parameters in COPD patients. Methods: This comparative cross-sectional study was carried out on COPD patients attending OPD at Institute of Respiratory Diseases, Jaipur during the year from 2019 to 2020. Forty stable COPD patients and 40 healthy controls were enrolled in the study. Spot urinary albumin/creatinine ratio, serum CRP levels, smoking history, spirometry, blood gases, body mass index, and BMI, Obstruction (FEV1% predicted), Dyspnea (mMRC grading), Exercise Capacity (6 MWD) (BODE) index were assessed. Results: Out of 40 cases, 23(56%) had MAB and 38 (95%) had serum CRP levels >3 mg/L. There was a negative correlation between forced expiratory volume in one second (FEV1), partial pressure of oxygen in arterial blood (PaO2) levels and 6 MWD with both MAB levels and S.CRP levels respectively. There was a positive correlation between BODE Index and modified British Medical Research Council grading with both MAB levels and serum C reactive protein (S.CRP) levels respectively. There was a positive correlation between BODE index and modified British Medical Research Council grading with both MAB and S.CRP levels. Conclusion: COPD patients of varying severity should be screened regularly with MAB and serum CRP levels to determine the risk and progression of cardiovascular consequences so that adequate decision of interventional strategies can be taken out to prolong survival in COPD patients.


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