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  • Title: Atrial natriuretic peptide plasma levels during hemodialysis and hemofiltration in patients with end-stage renal disease.
    Author: Groll J, Hagemann J, Röhrich B, Schaefer K.
    Journal: Int J Artif Organs; 1989 May; 12(5):284-8. PubMed ID: 2525530.
    Abstract:
    Using a cross-over protocol we repeatedly measured the plasma levels of alpha-hANP (atrial natriuretic peptide) during one week by radio-immunoassay in eight patients with end-stage renal disease treated with chronic hemodialysis or hemofiltration. Before each hemodialysis or hemofiltration session mean plasma ANP levels (353 +/- 112, and 337 +/- 99 pg.ml-1, respectively) were significantly above normal (50 - 166 pg.ml-1). In all but one patient, the values fell significantly towards but not reaching the normal range. Plasma ANP concentrations returned to normal at the end of the treatment in only two of the eight subjects. There was a positive correlation between the increase in body weight from one treatment to the next and the plasma ANP concentration (r = +0.35, p less than 0.05). The net loss of fluid volume during each treatment did not correlate significantly with the change in plasma ANP levels. There was no difference between hemodialysis and hemofiltration. Plasma ANP measurement may be helpful in the judgement of volume status in patients with end-stage renal disease treated by hemodialysis or hemofiltration.
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