Portal vein thrombosis associates with high platelet-fibrin clot strength and platelet activation in decompensated cirrhosis: A retrospective study

血小板 医学 血栓弹性成像 内科学 血栓形成 肝硬化 纤维蛋白 门静脉血栓形成 血小板活化 胃肠病学 免疫学
作者
Xin Quan,Xiuling Ye,Shuaijie Qian,Bo Wei,Huan Tong,Zhidong Wang,Yang Tai,Xu Guo,Jinhang Gao,Hao Wu
出处
期刊:Digestive and Liver Disease [Elsevier BV]
卷期号:55 (5): 629-636 被引量:4
标识
DOI:10.1016/j.dld.2022.09.019
摘要

Background and aims Alteration of platelet status associates with decompensation and death in cirrhosis, while its effect on portal vein thrombosis (PVT) remains unclear. We aimed to retrospectively investigate whether PVT associates with platelet-fibrin clot strength and platelet activation in decompensated cirrhosis. Methods Platelet-fibrin clot strength (G) was measured by thromboelastography (TEG). Platelet activation was reflected by plasma concentrations of soluble p-selectin (sPs) and a platelet aggregation test adjusted for platelet counts. Results Among 166 patients, 45 had PVT. The platelet count was significantly lower in PVT. While the G value was positively correlated with platelet count (ρ = 0.74, P < 0.01), increased G was associated with PVT after adjusting for platelet count in the logistic regression (P = 0.04). The normalized G value according to the linear relation with platelet count was calculated as follows: Gplatelet = [(G - 2622)/platelet count]. This coefficient had no correlation with platelet count and was an independent risk factor of PVT (OR = 1.03, CI95%: 1.01-1.05, P = 0.012). In two subanalyses, the collagen-induced platelet aggregation (n = 37, P = 0.029) and plasma concentration of sPs (n = 56, P = 0.001) adjusted for platelet count were significantly higher in PVT. Conclusion This study showed a positive correlation of high platelet-fibrin clot strength detected via TEG and platelet activation with PVT in decompensated cirrhosis.
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