A nondestructive contactless technique to assess the viscoelasticity of blood clots in real-time
Copyright © 2020 Elsevier Ltd. All rights reserved..
There is a need for reliable and quantitative real-time assessment of blood properties to study and treat a broad spectrum of disorders and cardiovascular diseases as well as to test the efficacy of hemostatic agents. In this study, the real-time changes in viscoelastic/rheological properties of bovine whole blood during coagulation induced by different concentrations of calcium chloride (CaCl2; 15, 25, 35 and 45 mM) was investigated. For this purpose, a novel, contactless technique was used to accurately measure the clotting characteristics under controlled and sterile conditions. It was demonstrated that, increasing the calcium concentration from low values (i.e., 15 and 25 mM), led to shorter reaction time; however, a further increase in calcium concentration (i.e., 35 and 45 mM) favored longer reaction times. Additionally, increasing the CaCl2 concentration resulted in higher shear storage modulus (i.e., stiffer clots). These results were also comparable to those generated by thromboelastrograph, a clinically established technique, as well as a conventional rheometer, which quantitatively verified the high correlation of the shear storage modulus data. In sum, the non-destructive testing technique used in this study is reproducible and sensitive in measuring clot formation kinetics, which could be applied to assess the efficacy of hemostatic agents, and may also contribute to better diagnosing relevant circulatory system diseases and conditions.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:110 |
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| Enthalten in: |
Journal of the mechanical behavior of biomedical materials - 110(2020) vom: 20. Okt., Seite 103921 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Naseri, Shiva [VerfasserIn] |
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| Links: |
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| Themen: |
Blood coagulation |
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| Anmerkungen: |
Date Completed 14.05.2021 Date Revised 14.05.2021 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jmbbm.2020.103921 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM315284811 |
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| 245 | 1 | 2 | |a A nondestructive contactless technique to assess the viscoelasticity of blood clots in real-time |
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| 500 | |a Date Revised 14.05.2021 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2020 Elsevier Ltd. All rights reserved. | ||
| 520 | |a There is a need for reliable and quantitative real-time assessment of blood properties to study and treat a broad spectrum of disorders and cardiovascular diseases as well as to test the efficacy of hemostatic agents. In this study, the real-time changes in viscoelastic/rheological properties of bovine whole blood during coagulation induced by different concentrations of calcium chloride (CaCl2; 15, 25, 35 and 45 mM) was investigated. For this purpose, a novel, contactless technique was used to accurately measure the clotting characteristics under controlled and sterile conditions. It was demonstrated that, increasing the calcium concentration from low values (i.e., 15 and 25 mM), led to shorter reaction time; however, a further increase in calcium concentration (i.e., 35 and 45 mM) favored longer reaction times. Additionally, increasing the CaCl2 concentration resulted in higher shear storage modulus (i.e., stiffer clots). These results were also comparable to those generated by thromboelastrograph, a clinically established technique, as well as a conventional rheometer, which quantitatively verified the high correlation of the shear storage modulus data. In sum, the non-destructive testing technique used in this study is reproducible and sensitive in measuring clot formation kinetics, which could be applied to assess the efficacy of hemostatic agents, and may also contribute to better diagnosing relevant circulatory system diseases and conditions | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Blood coagulation | |
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| 650 | 4 | |a Rheometer | |
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| 650 | 4 | |a Viscoelastic properties | |
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| 700 | 1 | |a Rezabeigi, Ehsan |e verfasserin |4 aut | |
| 700 | 1 | |a Ehrlicher, Allen |e verfasserin |4 aut | |
| 700 | 1 | |a Nazhat, Showan N |e verfasserin |4 aut | |
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