MAKETA 5/2 po

A C T A M E D I C A M A R T I N I A N A 2 0 0 5 5/2 35
patients < 60 μg.l -1 ( = 2.224 μmol.l -1 ) and points out the value > 200 μg.l -1 ( = 7.413 μmol.l -1 )
where an urgent action is required, because high risk of toxicity exists in all cases (15).
Aluminium balance in haemodialysis depends mainly on the gradient of diffusible aluminium,
on the type of dialysis membranes, on their surface and thickness and also on many other
factors, such as the pH of the dialysate. Among all these factors, undoubtedly the most important
is the concentration of aluminium in dialysis fluids (18). Maximum allowed concentration
for dialysis fluid is 30 μg.l -1 ( = 1.112 μmol.l -1 ) - CEC recommendation (15).
The increased of values Al in serum of DP (groups DP MT - 02 vs DP MT - 04) after two years
of haemodialysis is the evidence that the regular annual monitoring of the serum concentration
of Al of dialysed patients remains necessary.
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Received: February, 11, 2005
Accepted: May, 5, 2005