期刊
BULLETIN OF EXPERIMENTAL BIOLOGY AND MEDICINE
卷 -, 期 -, 页码 -出版社
SPRINGER
DOI: 10.1007/s10517-023-05927-7
关键词
modified hemosorbent; lithium; aluminum oxide; polydimethylsiloxane; hemocoagulation
The effects of a lithium-modified sorbent and a lithium-free sorbent on blood clotting indicators were compared. The lithium-modified sorbent had a lower reactogenic effect and the ability to reduce fibrinogen concentration. However, it did not affect the density characteristics of blood clot.
The effects of a lithium-modified sorbent based on aluminum oxide and polydimethylsiloxane (Al2O3@PDMS/Li) and a lithium-free sorbent (Al2O3@PDMS) on some indicators characterizing blood clotting under hemosorption conditions were compared in vitro. Sorbent Al2O3@PDMS/Li had significantly lower reactogenic effect on the blood passed through the column than the sorbent without lithium. This was seen from the degree of platelet reduction (66x10(9)vs 19x10(9)/liter) as well as a less pronounced hypercoagulation shift in chronometric indicators. In contrast to lithium-free sorbent, Al2O3@PDMS/Li demonstrated the ability to reduce the concentration of fibrinogen. However, this had no impact on the density characteristics of the blood clot assessed by thromboelastometry such as maximum clot firmness, angle and fibrin clot formation time, amplitudes at 10 and 15 min after clotting time, which are known to depend on the quantity of platelets and the concentration of functionally active fibrinogen.
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