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Revista Cubana de Medicina

versión impresa ISSN 0034-7523


ATIES SANCHEZ, Mirna et al. Correction of hyperphosphoremia in patients suffering chronic renal diseases and treated with long duration and high flux dialysis. Rev cubana med [online]. 2012, vol.51, n.4, pp.280-290. ISSN 0034-7523.

Introduction: high flux hemodialysis causes major removal of big and small molecules, so the clearing increases and the treated people remarkably improves. Taking into account that excretion of phosphorus depends on its kinetics, this technique allows correcting it, mainly if combined with long duration and high frequency dialysis. Objective: to evaluate the correction of hyperphosphoremia based on long duration high flux hemodialysis. Methods: an experimental intervention study was conducted in two groups, namely, the study and the control groups in which 12 patients, who were selected by the simple random method, were distributed. They presented with high phosphorus content figures. Group I was treated with long duration high flux hemodialysis for 18 hours every week by using high flux polysulphone membrane dialyzers. Group II underwent conventional low flux hemodialysis for 12 hours a week. Both groups were clinically and humorally followed-up monthly. The primary and secondary response variables depending on the phosphorous, calcium, calcium phosphate product, KT/V, albumin, hemoglobin and morbidity levels were analyzed. Data were processed using SPPS statistical package, 15.0 version. Results: the study group lowered the serum phosphorus by 0.36 mmol/L, calcium and calcium phosphate product decreased by 9.2 % and 23.90 % respectively at the end of the study. There was no correlation between the length of treatment (dialysis) and hyperphosphoremia; Spearman's non-parametric linear correlation was -0.09 and there was no statistical significance. Of the patients, 66.7 % had cramps and 50% had hypotension as morbidity. Conclusions: long duration high flux hemodialysis reduces the serum phosphorus levels and improves albumin, calcium, calcium phosphate product metabolism and KT/V in patients on hemodialysis.

Palabras clave : hyperphosphoremia; high flux hemodialysis; calcium phosphate metabolism.

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