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Blood Purif. 2012;34(2):88-93. doi: 10.1159/000342378. Epub 2012 Oct 24.

Advances in continuous renal replacement therapy: citrate anticoagulation update.

Author information

1
University of Alabama at Birmingham, Birmingham, AL 35294-0007, USA. atolwani@uab.edu

Abstract

Because of the potential side effects of heparin, methods of regional citrate anticoagulation (RCA) for continuous renal replacement therapy (CRRT) have been gaining wider acceptance with the development of simplified and safer protocols. Advantages of RCA include the avoidance of systemic anticoagulation and heparin-induced thrombocytopenia. The disadvantage is that citrate can add complexity and labor intensity to CRRT. Frequent monitoring of electrolytes, ionized calcium, and acid-base status is required, due to the potential for hypernatremia, metabolic alkalosis, and systemic ionized hypocalcemia. If properly monitored, complications associated with RCA are uncommon. A variety of methods of delivering RCA are described in the literature. Overall, studies of RCA, as compared to unfractionated heparin, report better filter survival times and less bleeding. In this section, we summarize the characteristics of citrate as an anticoagulant and provide an update of citrate use in CRRT.

PMID:
23095407
DOI:
10.1159/000342378
[Indexed for MEDLINE]

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