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Protein and amino acid (AA) metabolism is abnormal in End stage renal disease (ESRD). Hemodialysis (HD) procedure is a strong catabolic stimulus. Branched chain amino acids (BCAAs) can affect other AA levels by reducing AA efflux from muscle due to inhibition of muscle protein degradation. Essential amino acids and keto acid supplements including BCAA and branched-chain keto acid (BCKA) are proposed to decrease protein intake while maintaining protein status. This study was taken up to evaluate the effect of a dialysis session on plasma BCAA&#x2019;s for which fifteen patients of ESRD on Maintenance HD, thrice a week were recruited into the study. Analysis was done on samples drawn at the beginning (pre-HD) and after the end of each dialysis session (post-HD). Plasma BCAA&#x2019;s were estimated by Reverse phase High performance liquid chromatography using pre column derivatization with O-pthalaldehyde-Mercaptoethanol. A significant decrease in plasma concentration of Valine and Isoleucine were observed post-HD compared to the pre-HD levels (p&#x3c;0.05).  After correcting the data by creatinine, the decrease in plasma concentrations of Valine and Isoleucine were still found to be statistically significant. The percentage losses after the completion of HD were &#x2013;24.45, &#x2013;23.19, and &#x2013;6.22% respectively for valine, isoleucine, and leucine. The lower reduction in leucine could be due to its appearance from muscle catabolism during the dialysis session. In conclusion, hemodialysis itself may influence dialysate amino acid losses and may have an effect on muscle protein breakdown and this negative protein can be reversed with nutritional supplementation

Effect Of A Dialysis Session On Plasma Branched Chain Aminio Acids In Hemodialysis Patients