Amna Hamid, Murtaza F Dhrolia, Salman Imtiaz, Ruqayya Qureshi, Aasim Ahmad.
Comparison of Adequacy of Dialysis between Single-use and Reused Hemodialyzers in patients on Maintenance Hemodialysis..
J Coll Physicians Surg Pak Jan ;29(8):720-3.

To compare adequacy of dialysis between single-use and reused dialyzer in order to ascertain whether reuse of dialyzers provides adequate dialysis and thereby enable provision of effective yet affordable renal replacement therapy in resource-limited countries. Observational cross-sectional study. Department of Nephrology, The Kidney Centre, Postgraduate Training Institute (TKC-PGTI), Karachi, from December 2017 to February 2018. Equal number of patients on thrice weekly hemodialysis with either single-use (group A; n=33) or reuse (group B; n=33) dialyzer for at least six months were reviewed. Both groups were compared for dialysis adequacy measured as urea reduction ratio (URR); as well as adequacy of patient care in terms of anemia, bone-mineral control and nutritional status. Serum hemoglobin and erythropoietin stimulating agent (ESA) dose were taken as markers for anemia management, serum calcium, phosphate and intact parathyroid hormone (iPTH) for bone-mineral control and serum albumin as index for nutritional status. The mean age of patients in Group A was 51.36 +13.9 years and in Group B was 54.78 +15.4 years. Female to male ratio was 1.75:1. The mean number of dialyzer reused in group B was 47.5±27.8. There was no significant difference between the study groups in terms of URR (p=0.362), hemoglobin (p=0.347), ESA dose (p-=0.556), serum calcium, phosphorus and iPTH (p=0.868, p=0.138 and p=0.323, respectively), and serum albumin (p=0.777). All the parameters were in accordance with KDOQI guidelines. Reuse of dialyzer does not affect dialysis efficiency. Adequate dialysis therapy can be provided economically through reprocessed dialyzers in at least resource-poor countries.

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