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Hydrostatic Ultrafiltration During Hemodialysis Using Decreasing Sodium Dialysate
Author(s) -
Chen WeiTzuoh,
Ing Todd S.,
Daugirdas John T.,
Humayun Hamid M.,
Brescia Donald J.,
Gandhi Vasant C.,
Hano Jessie E.,
Kheirbek Ali O.
Publication year - 1980
Publication title -
artificial organs
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.684
H-Index - 76
eISSN - 1525-1594
pISSN - 0160-564X
DOI - 10.1111/j.1525-1594.1980.tb03932.x
Subject(s) - ultrafiltration (renal) , hemodialysis , sodium , chemistry , dialysis , hydrostatic pressure , filtration (mathematics) , chromatography , medicine , surgery , mathematics , physics , statistics , organic chemistry , thermodynamics
Twelve patients underwent hemodialysis using dialysate containing 130 mEq/L sodium, and, on a separate occasion, dialysis using a dialysate of constantly decreasing sodium concentration (from 150 to 133 mEq/L). Hydrostatic ultra‐filtration during dialysis was performed at a constant rate (900 ml/hr) during both treatments, and was continued until a substantial drop in mean arterial pressure (‐15%) or symptoms were observed. A double‐blind comparison of the two treatment modalities was thus achieved. At the end of ultrafiltration, significantly more fluid had been removed using decreasing sodium dialysate (2.9 ± 0.3 kg) than when using the low‐sodium dialysate (1.9 ± 0.2 kg, P<0.001). Plasma sodium concentration at the end of ultra filtration using decreasing sodium dialysate was not significantly different from the predialysis level. Hydrostatic ultrafiltration using a dialysate of decreasing sodium level may prove to be a useful means of removing excess fluid asymptomatically from dialysis patients.