Comparison of Hemoglobin Levels Before and After Hemodialysis and Their Effects on Erythropoietin Dosing and Cost
| Author | Mohammad Mahdi Sagheb | en |
| Author | Mohammad Amin Fallahzadeh | en |
| Author | Alireza Moaref | en |
| Author | Mohammad Hossein Fallahzadeh | en |
| Author | Banafshe Dormanesh | en |
| Issued Date | 2016-07-01 | en |
| Abstract | Background: Hemoglobin levels measured after hemodialysis, as compared to hemoglobin levels measured before hemodialysis, are suggested to be a more accurate reflection of the hemoglobin levels between hemodialysis sessions, and to be a better reference point for adjusting erythropoietin dosing. Objectives: The aim of this study was to compare the hemoglobin levels before and after hemodialysis, to calculate the required erythropoietin doses based on these levels, and to develop a model to predict effective erythropoietin dosing. Patients and Methods: In this cross-sectional study, the hemoglobin levels of 52 patients with end-stage renal disease were measured before and after hemodialysis. The required erythropoietin doses and the differences in cost were calculated based on the hemoglobin levels before and after hemodialysis. A model to predict the adjusted erythropoietin dosages based on post-hemodialysis hemoglobin levels was proposed. Results: Hemoglobin levels measured after hemodialysis were significantly higher than the hemoglobin levels before hemodialysis (11.1 ± 1.1 vs. 11.9 ± 1.2 g/dL, P < 0.001, 7% increase). The mean required erythropoietin dose based on post-hemodialysis hemoglobin levels was significantly lower than the corresponding erythropoietin dose based on pre-hemodialysis hemoglobin levels (10947 ± 6820 vs. 12047 ± 7542 U/week, P < 0.001, 9% decrease). The cost of erythropoietin was also significantly lower when post-hemodialysis levels were used (15.96 ± 9.85 vs. 17.57 ± 11.00 dollars/patient/week, P < 0.001). This translated into 83.72 dollars/patient/year in cost reduction. The developed model for predicting the required dosage is: Erythropoietin (U/week) = 43540.8 + (-2734.8) × Post-hemodialysis Hb* (g/dL). [(R2) = 0.221; *P < 0.001]. Conclusions: Using post-hemodialysis hemoglobin levels as a reference point for erythropoietin dosing can result in significant dose and cost reduction, and can protect hemodialysis patients from hemoconcentration. The prediction of the erythropoietin adjusted dosage based on post-hemodialysis Hb may also help in avoiding overdosage. | en |
| DOI | https://doi.org/10.5812/numonthly.38495 | en |
| URI | https://brieflands.com/journals/num/articles/17259 | en |
| Keyword | Hemoglobin | en |
| Keyword | Hemodialysis | en |
| Keyword | Erythropoietin | en |
| Keyword | Cost | en |
| Publisher | Brieflands | en |
| Title | Comparison of Hemoglobin Levels Before and After Hemodialysis and Their Effects on Erythropoietin Dosing and Cost | en |
| Type | Research Article | en |
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