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The Quantra System: System Description and Protocols for Measurements
Oksana Volod1, Francesco Viola2
1Cedars-Sinai Medical Center, Los Angeles, CA, USA. Oksana.Volod@cshs.org.
Abstract:
Over the past two decades, the TEG 5000 (Haemonetics Corp, Braintree, MA) and ROTEM delta (Werfen, Bedford, MA) have been the principal viscoelastic (VET) technologies. These legacy technologies are based on the "cup and pin" principle. The Quantra System (HemoSonics, LLC, Durham, NC) is a new device that assesses blood viscoelastic properties by ultrasound (SEER Sonorheometry). It is cartridge based, automated device that provides simplified specimen management and increased results reproducibility. In the present chapter, we provide a description of the Quantra and its principle of operation, currently available cartridges/assays with their respective clinical indications, device operation, and results interpretation.
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