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Official publication of the Indian Society of Nephrology
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The relationship between metabolic acidosis and nutritional parameters in patients on hemodialysis

 Department of Nephrology, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Pune, Maharashtra , India

Correspondence Address:
AD Sajgure,
Dr. D. Y. Patil Medical College and Research Centre, Pimpri, Pune - 411 018, Maharashtra
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Source of Support: None, Conflict of Interest: None

The progressive loss of kidney function is accompanied by metabolic acidosis. The relationship between metabolic acidosis, nutritional status, and oral bicarbonate supplementation has not been assessed in the Indian chronic kidney disease (CKD) population who are on maintenance hemodialysis (MHD). This is a single-center prospective study conducted in the Western part of India. Thirty-five patients, who were receiving MHD were assessed for metabolic acidosis along with various nutritional parameters at the baseline and at the follow-up after 3 months, postcorrection of acidosis with oral sodium bicarbonate supplements. The relationship between the correction of metabolic acidosis with oral bicarbonate supplements and changes in dietary and various nutritional parameters were evaluated. Metabolic acidosis at the baseline evaluation was found in 62.86% cases of the cohort with a mean serum bicarbonate value of 20.18 ± 4.93 mmol/L. The correction of acidosis with increment in the mean dosage of oral sodium bicarbonate supplements from 0.69 ± 0.410 mmol/kg/day at baseline to 1.04 ± 0.612 mmol/kg/day, significantly reduced the prevalence of metabolic acidosis to 23.33% cases at the follow-up. Improvement in serum bicarbonate level showed significant dietary, anthropometric, and nutritional improvements in these patients. Hence, we conclude that correction of metabolic acidosis with optimal oral bicarbonate supplementation plays a pivotal role in the treatment of malnourished CKD patients on MHD.

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Indian Journal of Nephrology
Published by Wolters Kluwer - Medknow
Online since 20th Sept '07