Title |
Anemia em pacientes submetidos à diálise peritoneal ambulatorial: prevalência e fatores associados
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Published in |
Jornal Brasileiro de Nefrologia, January 2016
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DOI | 10.5935/0101-2800.20160012 |
Pubmed ID | |
Authors |
Marisa Cristiane Cardoso de Oliveira, Adriano Luis Ammirati, Maria Claudia Andreolli, Marco Antonio Justo Nadalleto, Camila Barbosa Silva Barros, Maria Eugênia Fernandes Canziani |
Abstract |
Anemia is a common complication in dialysis patients, scare studies have evaluated anemia in patients undergoing peritoneal dialysis (PD). This study aimed to investigate the prevalence of anemia and its associated factors in patients undergoing PD in a single center where patients have free access to agents stimulating erythropoiesis (ESA) and intravenous iron supplementation. Cross-sectional study analyzing the demographic, clinical and laboratory variables of 120 patients. Anemia was defined as hemoglobin (Hb) < 11 g/dl. Patients were on PD for 17 months, and the majority of them (86%) received automated PD. The mean age was 58 ± 16.5 years, and 52% were female and 29% were diabetes. Anemia was present in 34 (28%) patients. When compared with those without anemia, patients with anemia received a higher dose of iron (p = 0.02) and had a lower concentration of triglycerides (p = 0.01). Hb levels correlated negatively with iron (r = -0.20;p = 0.03) and ESA (r = -0.23; p = 0.01) doses and positively with albumin (r = 0.38; p = 0.01), triglycerides (r = 0.24; p = 0.01) and transferrin saturation (r = 0.20; p = 0.03). In multiple analyses, only the albumin concentration (beta = 0.84; 95% IC = 0.38-1.31;p < 0.001) and ESA dose (beta = -0.06; 95% IC = 0.00-0.00; p = 0.02) were independently associated with Hb levels. Almost 30% of PD patients had anemia, even with free access to erythropoietin and intravenous iron. The transferrin saturation and nutritional status assessed by albumin, were the factors associated with the occurrence of anemia in this population. |
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