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Title: [Comparison of effects of Xuebijing injection and its component hydroxysafflor yellow A on coagulation and survival rates of septic rats].
Author: Ren C, Yao R, Wang L, Liu Q, Wu Y, Dong N, Yao Y.
Journal: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue; 2021 Oct; 33(10):1198-1202. PubMed ID: 34955128.
Abstract:
OBJECTIVE: To explore the effects of Xuebijing injection and its component hydroxysafflor yellow A on coagulation and survival rates of septic rats. METHODS: (1) Assessment of coagulation: 144 male Sprague-Dawley (SD) rats were divided into four groups by random number table: sham group, cecal ligation and puncture (CLP) induced sepsis model group (CLP group), CLP+Xuebijing group, and CLP+hydroxysafflor yellow A group, with 36 rats in each group. CLP was used for reproducing septic models. The cecum of the rats in the sham group was exposed by laparotomy and then returned to the abdominal cavity without CLP, while the other steps were the same as those in the CLP group. Rats in the CLP+Xuebijing group and CLP+hydroxysafflor yellow A group were injected with Xuebijing (4 mL/kg, twice a day) or hydroxysafflor yellow A solution (0.378 g/L, 298 μg each time, twice a day) through caudal vein after operation. Levels of prothrombin time (PT), activated partial thromboplastin time (APTT), thrombin time (TT), fibrinogen (Fib), and D-dimer in peripheral blood were measured by automatic coagulation analyzer at 6, 12, 24 hours after operation. The enzyme linked immunosorbent assay (ELISA) was applied to determine levels of tissue factor (TF), tissue factor pathway inhibitor (TFPI), and soluble thrombomodulin (sTM) in peripheral blood. (2) Analysis of survival rates: 120 rats were divided into four groups by random number table (the same groups with those in the section of assessment of coagulation), with 30 rats in each group. The Kaplan-Meier survival curve was plotted, and the cumulative survival rates were observed and recorded for 7 days after CLP surgery. RESULTS: (1) Results of coagulation assessment: compared with the sham group, septic rats in the CLP group showed significant dysfunction in coagulation early, as evidenced by prolonged PT at 6 hours after CLP (s: 8.9±0.2 vs. 8.4±0.4, P < 0.01), and significantly increased levels of Fib, D-dimer, TFPI and sTM [Fib (g/L): 2.8±0.3 vs. 2.3±0.1, D-dimer (ng/L): 1.8±0.2 vs. 1.5±0.1, TFPI (ng/L): 131.1±10.9 vs. 102.8±10.5, sTM (μg/L): 27.2±1.2 vs. 19.8±2.9, all P < 0.01]. The coagulation dysfunction became more and more serious at 12 hours after operation, and further deteriorated with time. The use of both Xuebijing and hydroxysafflor yellow A revealed significant improvement in coagulation of septic rats at 6 hours, as shown by shortened PT (s: 8.3±0.2, 8.3±0.1 vs. 8.9±0.2, both P < 0.01), and decreased Fib, D-dimer, TFPI and sTM as compared with those in the CLP group [Fib (g/L): 2.3±0.1, 2.3±0.2 vs. 2.8±0.3; D-dimer (ng/L): 1.5±0.1, 1.5±0.2 vs. 1.8±0.2; TFPI (ng/L): 109.5±10.2, 91.5±5.0 vs. 131.1±10.9; sTM (μg/L): 22.3±1.5, 21.1±1.8 vs. 27.2±1.2; all P < 0.01]. However, there was no significant difference in coagulation function between the two intervention groups. (2) Results of survival rates analysis: the rats in the sham group all survived 7 days after operation. The 7-day cumulative survival rate of the CLP group was only 36.67% (11/30). Compared with the CLP group, the cumulative survival rates were significantly increased in rats of the CLP+Xuebijing group and CLP+hydroxysafflor yellow A group [66.67% (20/30), 66.67% (20/30) vs. 36.67% (11/30), both P < 0.05], but no significant difference was found between the CLP+Xuebijing group and CLP+hydroxysafflor yellow A group. CONCLUSIONS: Both Xuebijing and its component hydroxysafflor yellow A appear to be capable of alleviating coagulation disorders and improving survival rates of septic rats effectively, and the effects show no significant difference between them.

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