1174 Prevalence and factors contributing to erythropoietin hyporesponsiveness in CKD patients on hemodialysis: a single center, cross sectional study

Abstract Background and Aims Anemia, one of the most frequent early complications of CKD is associated with a reduced QOL, cardiovascular morbidity, accelerated CKD progression, and it is an independent predictor of mortality. The successful management of anemia is a vital part of patient care, that...

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Published in:Nephrology, dialysis, transplantation dialysis, transplantation, 2024-05, Vol.39 (Supplement_1)
Main Authors: Sharma, Manjuri, Tamut, Oyik, Doley, Prodip Kumar, Pegu, Gayatri
Format: Article
Language:English
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Summary:Abstract Background and Aims Anemia, one of the most frequent early complications of CKD is associated with a reduced QOL, cardiovascular morbidity, accelerated CKD progression, and it is an independent predictor of mortality. The successful management of anemia is a vital part of patient care, that improves clinical outcomes. According to the literature, 90% of renal anemia patients responded in a dose-dependent manner to rHu EPO, whereas the remaining 5–10% of patients had either a blunted or absent response to this agent, despite high-dose therapy. Erythropoietin hyporesponsiveness is a strong, independent predictor of mortality risk. Various factors have been associated with ESA hypo responsiveness in different studies. Both the inability to achieve a target hemoglobin and administration of high dose epoetin -alpha are associated with increased risk of CVD complications. AIMS AND OBJECTIVES Method STUDY PERIOD: December 2021 to DECEMBER 2022 STUDY DESIGN: Observational cross sectional study. SAMPLE SIZE: N = 144: Patients older than 18 years old undergoing hemodialysis for at least 3 months before the study were enrolled. History of inpatient treatment, infection, bleeding or transfusion within the last month, hematologic disorders sickle cell disease, MDS and active malignancies were excluded. Required parameters were recorded on every month follow up;Demographic data, Cause of ESRD, Dialysis vintage, ESAs dose (Unit/week), type, Medications history; Dose (mg/week) of iron preparation & use of medication like ACEi, ARBs, dialysis adequacy(Kt/V), haemogram, Liver function test, Kidney function test Iron profile, Serum parathyroid hormone, Serum calcium & phosphorus, CRP, Anti EPO antibodies(if required). We used the European Best Practice Guideline (EBPG) II definition to define ESA hyporesponsiveness for our study purpose(Increase in erythropoietin dose ≥25% to maintain the same Hgb level or < 1 mg/dL gain in Hgb after 4 weeks. EHRI was calculated by dividing weekly ESA dose per kilogram of body weight (IU/Kg/W) by hemoglobin level (g/dL). Based on EHRI, patients were assigned or divided into 2 groups. Group I (EHRI
ISSN:0931-0509
1460-2385
DOI:10.1093/ndt/gfae069.643