Abstract

SERRANO ARIAS, Mercedes et al. Evolutional analysis of the quality of the final dialysis solution in Spain and Portugal. Rev Soc Esp Enferm Nefrol [online]. 2006, vol.9, n.1, pp.13-18. ISSN 1139-1375.

Dialysis solutions contaminated with aluminium represent the most dangerous source of exposure to aluminium in dialysis patients. The aim of this work was to determine the concentration of aluminium in the final dialysis solution in Spanish and Portuguese hospitals in 2004, and compare these results to those obtained in previous studies. In this study, the number of Spanish hospitals participating was 248 and number of Portuguese was 54. The aluminium could be measured in all the samples received. Similar studies using the same methodology were carried out in Spain in 1990, 1994 and 1999, and in Portugal in 1999 and 2001. The percentage of Spanish centres with less than 2 µg/L of aluminium in the final dialysis solution has increased gradually since the first study in 1990, until this study in 2004. In Portugal, the percentage of hospitals with less than 2 µg/L of aluminium in the final dialysis solution was 91.7% in 1999, 85.7% in 2001 and 94.4% in 2004. In all the studies carried out in Spain, the percentage of hospitals with undetectable levels of aluminium (≤ 1µg/L) increased; this improvement was observed up to 1999, since in 2004 the percentage remained stable. In Portugal this percentage has remained stable since 1999 until the present. The study carried out in 2004 in Spain and Portugal and its comparison with previous similar studies shows that the quality of dialysis solutions has improved significantly over the last 15 years.

Keywords : Aluminium; Dialysis; Atomic absorption spectrometry.

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