• Yu Han, Chuanyu Gao, Bingyu Qin, Hongdang Xu, Xianrong Song, Bin Li, Bangtian Peng, Taibing Fan, and Zhaoyun Cheng.
• Children's Cardiac Disease Center, People's Hospital of Zhengzhou University, Zhengzhou 450003, Henan, China. Corresponding author: Qin Bingyu, Email: nicoIasby@126.com.
• Zhonghua Wei Zhong Bing Ji Jiu Yi Xue. 2015 Feb 1; 27 (2): 102-5.

ObjectiveTo study the effect of anticoagulant therapy with low molecular weight heparin (LMWH) on coagulation and inflammation markers in sepsis patients.MethodsA prospective randomized controlled trial ( RCT ) was conducted. Eighty-seven patients suffering from septic shock undergoing mechanical ventilation in Department of Critical Care Medicine of Subei People's Hospital from June 2012 to September 2014 were enrolled. The hemodynamic changes before and after PLR were monitored by pulse indicated continuous cardiac output ( PiCCO ) and PVI monitoring. Responsive group: positive fluid response was defined as an increase in cardiac index ( CI )≥10% after PLR. Unresponsive group: negative fluid response was defined as an increase in CI<10% after PLR. The hemodynamic parameters, including heart rate ( HR ), mean arterial pressure ( MAP ), central venous pressure ( CVP ), stroke volume variation ( SVV ), CI and PVI, and the changes in cardiac parameters (ΔHR, ΔMAP, ΔCVP, ΔSVV, ΔCI, and ΔPVI ) before and after PLR were determined. The relations between hemodynamic parameters and their changes with ΔCI were analyzed by the Pearson analysis. The role of the parameters for volume responsiveness prediction was evaluated by receiver operating characteristic ( ROC ) curves.ResultsThere were no significant differences in values of all parameters, including CD62p, D-dimmer, IL-6, TNF-α, and APACHE II score at 1 day of treatment. The values of all parameters in observation group were gradually decreased. CD62p at 3 days of treatment and D-dimmer, IL-6, TNF-α, and APACHE II score at 5 days of treatment were significantly lower than those at 1 day of treatment. The values in the control group were decreased at first and then increased, as D-dimmer, IL-6 and TNF-α were significantly higher on the 5th day than those at 1 day of treatment. Compared with control group, CD62p, D-dimmer, IL-6, TNF-α and APACHE II score on the 7th day of treatment were significantly lowered in observation group [CD62 (μg/L): 22.64±2.88 vs. 31.52±2.81, D-dimmer (g/L): 1.32±0.46 vs. 4.79±0.82, IL-6 (ng/L): 5.84±1.87 vs. 49.64±3.12, TNF-α (ng/L): 21.04±3.15 vs. 130.58±6.26, APACHE II score: 9.71±2.02 vs. 14.17±2.38, all P < 0.05]. Correlation analysis showed that in observation group, CD62p, D-dimmer, IL-6, and TNF-α were positively correlated with APACHE II score (r value was 0.907, 0.868, 0.880, 0.693, respectively, all P=0.000). The incidence of MODS in observation group was significantly lower than that in the control group [26.7% (8/30) vs. 46.7% (14/30), χ (2)=3.943, P = 0.028].ConclusionsLMWH, which was given early in sepsis, can significantly down-regulate the expression of CD62p, D-dimmer, IL-6 and TNF-α, and reduce the incidence of MODS. Some indicators regarding coagulation and inflammation can be used as supplementary indicators to severity scores, and it may be able to improve the accuracy of scoring systems for sepsis.

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