na linha arterial (A), linha venosa (V) e membro contra-lateral ao acesso vascular (S), aplicando-se a fórmula %R = (S-A) I (S-V) . 100. Constatamos que na forma clássica de punção houve uma a porcentagem de recirculação significativamente menor.
PALAVRAS-CHAVE:Hemodiálise. Fístula arteriovenosa. Nefrologia.
ABSTRACT
The aim of this study was to verify the percentage of recirculation (%R) in patients on hemodialysis in different models of insertion of needles in arteriovenous fistula. Urea concentration was measured in samples of the arterial (A), venous line (V)and blood from the apposite arm (S) 10 minutes later in 8 patients using the classical model (apposite-oriented, 3
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