期刊
THROMBOSIS RESEARCH
卷 204, 期 -, 页码 1-8出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.thromres.2021.05.014
关键词
Coagulation activation; Factor XIa-antithrombin complex; Factor IXa-antithrombin complex; Out-of-hospital cardiac arrest; Prognosis; Thrombin-antithrombin complex
资金
- Regional Health Authorities in Western Norway
- Laerdal Foundation for Acute Medicine
The study found that complexes of FXIa-AT were independently associated with 30-days survival in patients with out-of-hospital cardiac arrest, and the levels were correlated with the survival rate.
Background: Cardiac arrest and cardiopulmonary resuscitation (CPR) are associated with activated coagulation and microvascular fibrin deposition with subsequent multiorgan failure and adverse outcome. Objectives: Activated Factor XI-antithrombin (FXIa-AT) complex, activated Factor IX-antithrombin (FIXa-AT) complex and thrombin-antithrombin (TAT) complex were measured as markers of coagulation activation, and evaluated as independent prognostic indicators in out-of-hospital cardiac arrest (OHCA) patients. Methods: From February 2007 until December 2010 blood samples were collected in close approximation to CPR from patients with OHCA of assumed cardiac origin. Follow-up samples in survivors were drawn 8-12 h and 24-48 h after hospital admission. All measurements were determined by ELISA. Results: Thirty-seven patients presented with asystole and 77 with ventricular fibrillation as first recorded heart rhythm. At 30-days follow-up, 70 patients (61.4%) had died. All patients had elevated levels of FXIa-AT complex, FIXa-AT complex and TAT. Initial levels were significantly higher in non-survivors compared to 30-days survivors. A significant increase in risk of 30-days all-cause mortality was observed through increasing quartiles of all three biomarkers in univariate Cox regression analysis. Compared to the lowest quartile (Q1), only FXIa-AT complex levels in Q3 (HR 3.17, p = 0.011) and Q2 (HR 3.02, p = 0.016) were independently associated with all-cause mortality in the multivariable analysis. FIXa-AT complex and TAT-complex did not behave as independent predictors. Conclusions: Complexes of FXIa-AT were independently associated with 30-days survival in OHCA-patients. Clinical trial registration: ClinicalTrials. gov, NCT02886273.
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