Author/Editor     Kovač, Janko; Gubenšek, Jakob; Marn-Pernat, Andreja; Buturović-Ponikvar, Jadranka; Kersnič, Boštjan; Pretnar, Jože; Ponikvar, Rafael
Title     Citrate anticoagulation during post-dilution hemodiafiltration with a high cut-off (theralite) membrane
Type     članek
Source     Ther Apher Dial
Vol. and No.     Letnik 15, št. 3
Publication year     2011
Volume     str. 283-6
Language     eng
Abstract     Citrate anticoagulation has not yet been described for hemodiafiltration (HDF) with high cut-off (HCO) membranes, which can be used in the treatment of cast nephropathy secondary to multiple myeloma. A 57-year-old male patient with multiple myeloma and acute renal failure was treated with HDF using a HCO membrane (Theralite) each or every other day. Due to thrombocytopenia, citrate anticoagulation was done for the first 7 h, and anticoagulant-free HDF was performed for the last hour to avoid citrate accumulation. Magnesium, phosphate, and albumin were measured after 3, 6, and 8 h, and were replaced as necessary. Thirty-two post-dilution HDF procedures (8 h each, infusate 24 L) were performed with blood flow at 300-330 mL/h; sodium citrate 4% was infused at 300 mL/h and 1 mol/L calcium chloride was infused at a mean rate of 14.6 +/- 1.1 mL/h. Calcium-free dialysate/infusate was used. Ionized calcium was stable (1.10 +/- 0.06 before and 1.08 +/- 0.06 mmol/L after HDF). Magnesium was stable (0.67 +/- 0.12 before and 0.68 +/- 0.05 mmol/L after HDF), with an average 390 +/- 180 mg per procedure, substituted orally. There was no metabolic alkalosis or hypernatremia after the procedures, and no significant clotting was noted. The total/ionized calcium ratio (1.87 +/- 0.22 before vs. 1.56 +/- 0.20 after 6 h) and the corrected/ionized calcium ratio (2.02 +/- 0.21 before vs. 1.88 +/- 0.27 after 6 h) decreased during HDF, indicating no citrate accumulation. Citrate anticoagulation was effectively performed during 8 h of HCO membrane HDF. There were no side effects of citrate anticoagulation, nor were any signs of citrate accumulation noted.
Descriptors     CITRATES
HEMODIAFILTRATION
MULTIPLE MYELOMA
KIDNEY FAILURE, ACUTE
THROMBOCYTOPENIA
MAGNESIUM
PHOSPHATES
ALBUMINS
CALCIUM
MIDDLE AGE