TITLE

Monitoring of low molecular weight heparin anticoagulation during haemodialysis with a Sonoclot Analyzer

AUTHOR(S)
Schött, Ulf; Nilsson, Lars Göran; Broman, Marcus; Engström, Martin
PUB. DATE
July 2010
SOURCE
Perfusion;Jul2010, Vol. 25 Issue 4, p191
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Objectives: Sonoclot was used in this study to monitor low molecular weight heparin (LMWH) during haemodialysis.Material and Methods: Two different intravenous doses (standard / half-dose) of dalteparin were studied in eight patients. Blood was sampled for coagulation analyses with Sonoclot, thrombin-antithrombin (TAT) and anti-Xa. A visual fibrin deposition score (VFS) in the venous drip chamber was also evaluated.Results: All patients completed their dialysis. There was a progressive increase in TAT levels, which correlated to the dalteparin dose. Significant differences (p<0.05) were found for TAT, VFS and Sonoclot celite-activated clotting time (SonACT) between the different LMWH dosages. TAT and Sonoclot correlated to each other, but not to the VFS. SonACT was significantly increased at two hours, with the high dalteparin dose compared to the lower dose.Conclusion: Both Sonoclot and TAT failed to predict the VFS. No patient had any clinical clotting events and all dialyses were completed successfully.
ACCESSION #
62030368

 

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