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Effect of Statin Supplementation on Pulmonary Function and Inflammatory Markers in Patients of Chronic Obstructive Pulmonary Disease

[ Vol. 15 , Issue. 1 ]

Author(s):

Mradul K. Daga*, Ankit Chhoda, Shashank Singh, Govind Mawari, Naresh Kumar, T. K. Mishra and H. S. Hira   Pages 50 - 55 ( 6 )

Abstract:


Background: COPD being a systemic inflammatory disease is accompanied by alteration of various inflammatory cytokines which affect the metabolic equilibrium of body. Some therapeutic options, mainly statins via their wide range of pharmacologic actions alter the level of proinflammatory cytokines hence, helpful in attenuating various extra-pulmonary consequences of COPD. We did a randomised case-control study to study the effect of statin supplementation on pulmonary function and inflammatory markers in patients of COPD.

Methods: We included 40 stable COPD subjects & randomized them in two groups, intervention & non-intervention. Intervention group received 40 mg atorvastatin once daily for 3 months in addition to the conventional treatment of COPD similar to the prior one. We studied levels of IL-6 & CRP and correlated them with disease severity before and after the aforementioned intervention.

Results: We observed that CRP levels decreased in both the groups after a follow up of 3 months, but neither of them was statistically significant (p=0.57 & 0.63 respectively) nor the mean of their difference (p=0.969). IL-6 levels showed a persistent decline in intervention group but, was not significant (p=0.91). In this study, we noticed statistically significant improvement in FEV1 (p=0.008) in the intervention group which was in contrast to non-intervention group. Similarly, the exercise capacity also statistically increased in the intervention group (p=0.002). There was also evident negative correlation between exercise capacity and IL-6 as well CRP levels. FEV1 also showed statistically significant negative correlation with IL-6 levels (p=0.023).

Conclusion: We can improve the disease outcome and alter its natural progression by altering the levels of inflammatory markers with the aid of some additional pharmacological interventions i.e., in this study was atorvastatin.

Keywords:

COPD = Chronic obstructive pulmonary disease, CRP = C-reactive protein, E.C. = Exercise capacity, FEV1 = Forced expiratory volume in one second, IL-6 = Interleukin-6.

Affiliation:

Department of Medicine, Maulana Azad Medical College, University of Delhi, New Delhi-11002, Department of Medicine, Maulana Azad Medical College, University of Delhi, New Delhi-11002, Department of Medicine, Maulana Azad Medical College, University of Delhi, New Delhi-11002, Department of Medicine, Maulana Azad Medical College, University of Delhi, New Delhi-11002, Department of Medicine, Maulana Azad Medical College, University of Delhi, New Delhi-11002, Department of Medicine, Maulana Azad Medical College, University of Delhi, New Delhi-11002, Department of Medicine, Maulana Azad Medical College, University of Delhi, New Delhi-11002



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