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Srpski arhiv za celokupno lekarstvo 2006 Volume 134, Issue 3-4, Pages: 133-137
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Anemia in peritoneal dialysis patients

Laušević Mirjana, Nešić Vidosava, Jovanović Nataša, Stojimirović Biljana

A normocytic normochromic anemia is one of the first signs of renal failure. Since anemia increases morbidity and mortality, its elimination is one of the essential objectives of the treatment. Human recombinant erythropoietin (rHuEPO) has changed the therapeutical approach to anemia. The aim of the present study was to compare efficacy of anemia correction in peritoneal dialysis patients depending on treatment and dialysis modality. The study is the retrospective analysis of 64 patients who presented to our Clinic in 2003. Eighteen (28.13%) patients were treated with rHuEPO, 14 (28%) underwent continuous ambulatory peritoneal dialysis (CAPD), 2 (100%) - automated peritoneal dialysis (APD) and 2 (33.3%) - intermittent peritoneal dialysis (IPD). Mean hemoglobin level was 98.6±17.82 g/l in patients treated with rHuEPO versus 98.81±15.14 g/I in patients without rHuEPO treatment. Erythropoietin requirements were 3392.85±1211.77 IU/week. AII patients received iron supplementation during rHuEPO therapy. Mean serum ferritin levels were 463.41 ±360 μg/l. Transferrin saturation (TSAT) was 0.35±0.16%. No difference of serum iron and TSAT levels was found between CAPD and IPD patients. The degree of anemia significantly differed between CAPD and IPD patients. A total of 17.11% of PD patients were given blood transfusions, most frequently during the first three months after the onset of dialysis. Our conclusion is that the number of patients receiving rHuEPO should be increased, as 50% of our patients should be substituted, while only 28% are being treated. As 50% of patients receiving rHuEPO failed to reach target Hgb levels, higher EPO doses should be considered. Iron stores should be continuously monitored, particularly in patients receiving rHuEPO, since iron deficiency is an important problem for patients undergoing peritoneal dialysis, especially during erythropoietin therapy. Oral iron supplementation is satisfactory in the majority of patients, and iron-gluconate is absorbed better than iron-sulphate. If required, intra-venous iron bolus is safe and efficient. Continuous peritoneal dialysis treatment improves blood count more effectively compared to intermittent procedures, as hemoglobin levels are significantly higher in patients with comparable iron stores. Peritoneal dialysis is particularly efficient in improving the blood count in diabetics, since no significant difference of anemia between patients affected by diabetes mellitus and the others could be found in our study.

Keywords: anemia, peritoneal dialysis, serum iron level

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