Primary Hemostasis in Hemodilution -1) Hematocrit
- 1 January 1990
- journal article
- research article
- Published by S. Karger AG in Transfusion Medicine and Hemotherapy
- Vol. 17 (4) , 212-213
- https://doi.org/10.1159/000222482
Abstract
There are still controversies about the influence of acute preoperative hemodilution on coagulation. Therefore, we examined the platelet function by the In-vitro bleeding test (IVBT) using composed blood samples of different hematocrit but constant platelet concentration. We found an inverse correlation between hematocrit and bleeding time (p<.05), volume (p<.001) and flow (p<.001). These data suggest a considerable impairment of primary hemostasis, due to low hematocrit. The cause may be an alteration of the hemorheology as well as the interaction between red cells and platelets themselves.Keywords
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