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Titolo	Serum Albumin, Body Weight and Inflammatory Parameters in Chronic Hemodialysis Patients: A Three-Year Longitudinal Study
Autore	Maurizio Bossola, Giuseppe La Torre, Stefania Giungi, Luigi Tazza, Carlo Vulpio, Giovanna Luciani
Referenza	Am J Nephrol 2008; 28: 405-412
Contenuto	Backgrounds and Aims: The present study aimed at making prospective longitudinal measurements of nutritional and inflammatory parameters to determine whether nutritional and inflammatory status decline or increase over time in a cohort of prevalent hemodialysis patients, and to evaluate which factors influence eventual changes. Patients: 64 hemodialysis patients were followed at 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, and 36 months. At each follow-up visit, dry body weight, serum albumin, serum total cholesterol, total white blood cells, total lymphocyte count, serum glucose, C-reactive protein, ferritin, fibrinogen, hemoglobin, and weekly erythropoietin dose were assessed. Main Outcome Measures: Changes in nutritional and inflammatory parameters over time. Results: 43 patients completed the study at 36 months. Mean serum albumin levels (g/dl) improved significantly between baseline (3.76 8 0.24) and 36 months (3.93 8 0.27) (F = 4.005; p = 0.0009). Dialytic age was significantly associated with changes of serum albumin (F = 2.797; p = 0.028). The mean dry weight slightly remained stable over time (F = 1.473; p = 1.0) as well as the level of total cholesterol (p = 0.77) and lymphocyte count (F = 1.539; p = 0.186). Over time, the levels of C-reactive protein tended to decrease, although the differences were not statistically significant (F = 1.332; p = 0.19). Over time, the serum level of fi-brinogen (F = 0.422; p = 0.17) and ferritin (F = 0.314; p = 0.52) remained stable. The number of white blood cells significantly decreased over time (F = 4.691; p = 0.0079) and dialytic age (F = 3.214; p = 0.015) was the variable significantly associated with such decline. The hemoglobin levels (F = 1.423; p = 0.14) and the weekly erythropoietin dose did not change significantly during the study (F = 1.019; p = 0.61), nor did the serum glucose levels (F = 1.231; p = 0.10). Conclusion: These results support the hypothesis that end-stage renal disease and HD are not necessarily associated with deterioration of the nutritional status over time.
Data	22.01.2008

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