Biomaterials have been extensively used for various clinical applications. Since blood is very sensitive to the presence of any foreign substances, testing for hemocompatibility is a major part of biocompatibility evaluation. At present, blood viscosity parameters are being used as screening tests for biomaterial compatibility. Successful use of these parameters will help eliminate many in-compatible materials from being subjected to extensive testing. In this study, we evaluated the blood viscosity parameters (n = 10)-whole blood viscosity, plasma viscosity, red cell rigidity, hematocrit, and biochemical parameters (total proteins and albumin). A significant increase in hemorheological parameters after incubation with material was found to be an indicator of incompatibility.
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