Clinical usefulness of the reticulocyte hemoglobin in chronic hemodialysis patients

Background. Iron deficiency is the main cause of failure to respond to erythropoietin (EPO) in haemodialysis patients. Several laboratory tests to detect the deficiency, ferritin and transferrin saturation (TSat) are the most commonly used but its limitations in this patient population are necessary...

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Autores principales: Eckhardt, Andrea, Freiberg, M., De la Fuente, Jorge Luis, Douthat, Walter G., Capra, Raúl Horacio
Formato: Artículo revista
Lenguaje:Español
Publicado: Universidad Nacional Cba. Facultad de Ciencias Médicas. Secretaria de Ciencia y Tecnología 2011
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Acceso en línea:https://revistas.unc.edu.ar/index.php/med/article/view/21535
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id I10-R10article-21535
record_format ojs
institution Universidad Nacional de Córdoba
institution_str I-10
repository_str R-10
container_title_str Revistas de la UNC
language Español
format Artículo revista
topic deficiencia de hierro
hemoglobina reticulocitaria equivalente
hemodiálisis
eritropoyetina
saturación de transferrina
iron deficiency
reticulocyte hemoglobin equivalent
haemodialysis
erythropoietin
transferring saturation
spellingShingle deficiencia de hierro
hemoglobina reticulocitaria equivalente
hemodiálisis
eritropoyetina
saturación de transferrina
iron deficiency
reticulocyte hemoglobin equivalent
haemodialysis
erythropoietin
transferring saturation
Eckhardt, Andrea
Freiberg, M.
De la Fuente, Jorge Luis
Douthat, Walter G.
Capra, Raúl Horacio
Clinical usefulness of the reticulocyte hemoglobin in chronic hemodialysis patients
topic_facet deficiencia de hierro
hemoglobina reticulocitaria equivalente
hemodiálisis
eritropoyetina
saturación de transferrina
iron deficiency
reticulocyte hemoglobin equivalent
haemodialysis
erythropoietin
transferring saturation
author Eckhardt, Andrea
Freiberg, M.
De la Fuente, Jorge Luis
Douthat, Walter G.
Capra, Raúl Horacio
author_facet Eckhardt, Andrea
Freiberg, M.
De la Fuente, Jorge Luis
Douthat, Walter G.
Capra, Raúl Horacio
author_sort Eckhardt, Andrea
title Clinical usefulness of the reticulocyte hemoglobin in chronic hemodialysis patients
title_short Clinical usefulness of the reticulocyte hemoglobin in chronic hemodialysis patients
title_full Clinical usefulness of the reticulocyte hemoglobin in chronic hemodialysis patients
title_fullStr Clinical usefulness of the reticulocyte hemoglobin in chronic hemodialysis patients
title_full_unstemmed Clinical usefulness of the reticulocyte hemoglobin in chronic hemodialysis patients
title_sort clinical usefulness of the reticulocyte hemoglobin in chronic hemodialysis patients
description Background. Iron deficiency is the main cause of failure to respond to erythropoietin (EPO) in haemodialysis patients. Several laboratory tests to detect the deficiency, ferritin and transferrin saturation (TSat) are the most commonly used but its limitations in this patient population are necessary to find other parameters to improve the identification of iron-deficient state. Objective. To evaluate the ability of Reticulocyte Hemoglobin Equivalent (RET-He) to predict iron deficiency, taking as a reference standard to the increase of hemoglobin in response to iron intake. Materials and Methods. 44 patients on chronic hemodialysis and fixed-dose EPO received 400 mg of intravenous iron. Were measured Hb, Ret-He, IRF, and ferritin prior to iron administration. After 20 to 30 days of completion of loading the patients were classified as responders if hemoglobin increased by at least 0.8 g / L and non-responders if this increase did not occur. Result. 25 patients were reponders, the ROC curves analysis showed the Ret-He with the largest AUC of 0.862 similar to the AUC of 0.833 that showed the IST, but the first is more sensitive (72% CI 95%: 51-88% vs 52% 95% CI 31-72%) and similar specificity (94.7% CI 95%: 74-100% vs 100% 95% CI 82-100%). Ferritin AUC was 0.772 and finally the IRF AUC was 0.7. The Ret-He, to a cutoff of 29.5 pg was the best combination of sensitivity and specificity (72 and 94.7 respectively), and the sensitivity of the combination Ret-He/IST rose to 80% specificity 94.7%. Conclusions. According to these results it could consider to Ret-He and the Ret-He/IST combination of clinical utility for the identification of the iron deficit in patients in chronic haemodialysis.
publisher Universidad Nacional Cba. Facultad de Ciencias Médicas. Secretaria de Ciencia y Tecnología
publishDate 2011
url https://revistas.unc.edu.ar/index.php/med/article/view/21535
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