Comparison between tinzaparin and standard heparin for chronic hemodialysis in a Canadian center

American Journal of Nephrology
Héléne LordMartine Leblanc

Abstract

Low-molecular-weight heparins offer several advantages over standard heparins, but their use for maintenance hemodialysis has been limited in North America because of their higher cost. Our objective was to compare tinzaparin to standard heparin during maintenance hemodialysis over an 8-week period, in regard to the visual aspect of the extracorporeal circuit, filter reuse, bleeding and time for compression of vascular access at the end of hemodialysis session, nursing time devoted to anticoagulation administration, level of satisfaction of patients and nurses, and relative cost. Thirty-two chronic hemodialysis adult patients with peripheral accesses were randomly divided into two groups in a cross-over design: tinzaparin for 4 weeks followed by standard heparin for 4 weeks, or vice versa. Hemodialysis was performed thrice weekly over 3.5-4 h using large surface reused filters. Standard heparin was administered as an initial bolus of 50-75 units per kilogram followed by an infusion to maintain an activated clotting time (ACTESTER) between 150 and 200 s and discontinued 30-45 min before the end of the session. The initial dose of tinzaparin was 3,500 IU anti-Xa for patients usually receiving 7,500 units or less of standard hepar...Continue Reading

Citations

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