| Autor: |
S.B., Manoj Job, Chacko, Binila, Selvarajan, Sushil, Peter, John Victor, Geevar, Tulasi, Dave, Rutvi Gautam, Georgy, Josh Thomas, Zachariah, Anand, George, Tina, Sathyendra, Sowmya, Hansdak, Samuel George, Krishnaswami, Rajiv Karthik, Thangakunam, Balamugesh, Gupta, Richa, Karuppusami, Reka, Nair, Sukesh Chandran, Srivastava, Alok |
| Předmět: |
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| Zdroj: |
Scientific Reports; 1/23/2024, Vol. 14 Issue 1, p1-12, 12p |
| Abstrakt: |
Prospective and sequential evaluation of homeostatic changes leading to thrombosis across COVID 19 disease severity spectrum are limited. In this prospective observational study, haemostasis was evaluated in patients with mild, moderate-severe, and critical COVID-19 infection. Markers of endothelial activation [Soluble thrombomodulin (sTM), von Willebrand Factor (VWF)], platelet activation [Soluble P-selectin, beta-thromboglobulin (BTG)] and global haemostasis [Rotational thromboelastometry (ROTEM)] were evaluated on days 1 and 5 after admission. The study cohort comprised of 100 adult patients (mild = 20, moderate-severe = 22, critical = 58). Sixty-five patients received anticoagulation for 10 (7–14) days. Thrombotic events were seen in 9 patients. In-hospital mortality was 21%. Endothelial activation markers were elevated at baseline in all subgroups, with levels in moderate-severe (sTM = 4.92 ng/ml, VWF = 295 U/dl) [reference-ranges: sTM = 2.26–4.55 ng/ml; Soluble P-selectin = 13.5–31.5 ng/ml; BTG = 0.034–1.99 ng/ml] and critical patients (sTM = 6.07 ng/ml, VWF = 294 U/dl) being significantly higher than in the mild group (sTM = 4.18 ng/ml, VWF = 206 U/dl). In contrast, platelet activation markers were elevated only in critically ill patients at baseline (Soluble P-selectin = 37.3 ng/ml, BTG = 2.51 ng/ml). The critical group had significantly lower fibrinolysis on days 1 and 5 when compared with the moderate-severe arm. COVID-19 infection was associated with graded endothelial activation and lower fibrinolysis that correlated with illness severity. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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