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vol.30 número2Estudio Bahia 2008: barómetro de la hidratación de la población españolaLa medida de la dosis de diálisis mediante Kt por dialisancia iónica revela una menor adecuación que la medida por Kt/V UREA en la insificiencia renal aguda de pacientes críticos índice de autoresíndice de assuntospesquisa de artigos
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Nefrología (Madrid)

versão On-line ISSN 1989-2284versão impressa ISSN 0211-6995


ROSA DIEZ, Guillermo Javier et al. Measuring Kt by ionic dialysance is a useful tool for assessing dialysis dose in critical patients. Nefrología (Madr.) [online]. 2010, vol.30, n.2, pp.227-231. ISSN 1989-2284.

Aim: To evaluate the Kt assessed through ionic dializance (KtOCM) in UCI patients undergoing renal replacement therapy for acute kidney injury, comparing the results with those obtained through the urea removal rate method determined by dialyzate collection (Kturea). Material and methods: 18 adult UCI staying individuals suffering from renal replacement therapy requiring oliguric acute kidney injury were included in this study. RRT consisted in intermitent or extended hemodialysis performed through a Fresenius 4008E dialysis machine equiped with an on-line clearance monitor (OCM Fresenius). The KtOCM results were provided automatically. The Spearman correlation test was used to assess the relationship between the two exploratory methods and the Student's t test to compare the results obtained by the KtOCM and the Kturea. Results: 35 treatments were analyzed. There were not statistically significant differences between the results form the KtOCM and the Kturea (34.9 ± 10.69 vs 32.78 ± 11.31, p = NS). A remarkable association was find between both methods (r = 0.87; 95CI, 0.76-0.94; p <0.001). Conclusions: The assessment of Kt through ionic dialyzance is a simple method to estimate the dose of dialysis in critically ill patients and is and useful tool to monitor and adjust the RRT in real time according to a target dose.

Palavras-chave : Acute kidney injury; Dialysis dose; Kt. Kt/V; Urea reduction ratio; Ionic dialysance; OCM.

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