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 ORIGINAL ARTICLE
Year : 2020  |  Volume : 30  |  Issue : 2  |  Page : 91-97

A study on effect of bicarbonate supplementation on the progression of chronic kidney disease


1 Department of General Medicine, K. S. Hegde Medical Academy, Nitte (Deemed to be University), Deralakatte, Mangaluru, Karnataka, India
2 Nitte University Center for Science Education and Research, Nitte (Deemed to be University), Deralakatte, Mangaluru, Karnataka, India

Correspondence Address:
Dr. Shama Prakash K
Department of General Medicine, K. S. Hegde Medical Academy, Nitte (Deemed to be University), Deralakatte, Mangaluru - 575 018, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijn.IJN_93_19

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Introduction: Chronic kidney disease (CKD) is a major health problem in India. Prevalence of CKD will continue to rise, reflecting the growing elderly population and increasing number of patients with diabetes and hypertension. Methods: A total of 67 patients with CKD participated in the study. Patients were randomized into two groups. Group 1 received oral bicarbonate and Group 2 was the control group. Their baseline, 6 and 9 months estimated glomerular filtration rate (eGFR), bicarbonate, muscle mass and serum albumin were estimated. We analysed the effect of bicarbonate supplementation on the progression of CKD. Results: Bicarbonate supplementation decreased the metabolic acidosis in CKD patients. After bicarbonate supplementation, the serum bicarbonate level increased time-dependently from 16.62 to 18.02 and 19.77 mEq/L after 6 and 9 months, respectively. It also restored the eGFR to its baseline value. The eGFR values of Group 1 at baseline, after 6 months and 9 months were 22.39, 22.66, and 22.65 mL/min/1.73 m2, respectively. In contrast, the eGFR value in Group 2 reduced significantly. Patients who received bicarbonate supplementation displayed increased serum albumin levels compared with the controls. The albumin level was significantly increased from 4.05 to 4.24 and 4.34 g/dL, respectively, after 6 and 9 months (P = 0.0001). Also, bicarbonate supplementation showed significant improvement in muscle mass. Conclusion: Study confirms the role of bicarbonate in relieving the metabolic acidosis and thereby its possible role in the management of CKD progression.






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Indian Journal of Nephrology
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Online since 20th Sept '07