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International Journal of Advanced Research in Medicine
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International Journal of Advanced Research in Medicine

2021, Vol. 3, Issue 2, Part B

Effect of dialysate sodium concentration on interdialytic weight gain in hemodialysis patients


Author(s): Dr. Spandana Vuyyuru, Dr. K Vara Prasada Rao, Dr. Moturu Venkata Viswanath, Dr. Praveen Kumar Kolla and Dr. Raghavendra Sadineni

Abstract: Aim: To study the effect of individualized dialysate sodium on interdialytic weight gain and blood pressure.
Methodology: It was a Prospective study. Duration: 2 years from January 2019 to December 2020. In this study, about 50 patients on maintenance hemodialysis for at least six weeks and IDWG more than 3kg were enrolled. Patients receiving maintenance hemodialysis in Narayana Medical College and Hospital Nellore were enrolled in the present study.
Results: Fifty patients who met the inclusion criteria were enrolled in our study. These include 33(66%) males and 17(34%) females with a mean age of 51.58 years. The mean duration of HD in our study was 16.92 months. The most common cause of ESRD in our study was Diabetic Nephropathy (54%); other causes include Chronic Glomerular Nephritis (18%), Chronic Interstitial Nephritis (8%), and CKD of unknown cause in 20% of patients. Dialysate sodium in standard phase (Phase I) was kept constant at 138meq/L, whereas mean dialysate sodium in individualized sodium Phase (Phase II), calculated by multiplying mean pre-HD sodium by 0.95 (Donnan coefficient), was 128meq/L. The Mean pre-HD sodium level was almost similar in both phases, but there was a 3meq/L difference in the mean post-HD sodium level in standard and individualized phases. There was a significant reduction in mean IDWG by 0.63 kg in Phase II, and there was also a significant reduction in mean UF requirement by 0.55 kg in the individualized sodium phase (Phase II) when compared with the standard phase (Phase I). There was a significant reduction in post-HD diastolic blood pressure by 3mmHg in the individualized sodium phase (Phase II) compared with the standard phase (Phase II). There was a reduction in intradialytic complications in Phase II when compared with Phase I. Despite the low dialysate sodium concentrations, there was no increase in hypotension episodes in the individualized sodium phase (Phase II).
Conclusion: We conclude that individualizing dialysate sodium in hemodialysis patients significantly reduced interdialytic weight gain, ultrafiltration requirement, and blood pressure.


DOI: 10.22271/27069567.2021.v3.i2b.270

Pages: 107-111 | Views: 20 | Downloads: 6

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How to cite this article:
Dr. Spandana Vuyyuru, Dr. K Vara Prasada Rao, Dr. Moturu Venkata Viswanath, Dr. Praveen Kumar Kolla, Dr. Raghavendra Sadineni. Effect of dialysate sodium concentration on interdialytic weight gain in hemodialysis patients. Int J Adv Res Med 2021;3(2):107-111. DOI: 10.22271/27069567.2021.v3.i2b.270
International Journal of Advanced Research in Medicine