Journal
CARDIOVASCULAR DIABETOLOGY
Volume 22, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12933-023-01905-5
Keywords
Factor XI; Type 2 Diabetes Mellitus; Myocardial Infarction; Stroke; Cardiovascular Mortality
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This study found that elevated plasma FXI levels are associated with increased risk of cardiovascular events, including mortality, in patients with type 2 diabetes. These findings suggest that anti-FXI agents may be a potential novel antithrombotic option for this disease.
Background Type 2 diabetes mellitus (T2DM) patients are at high risk of cardiovascular (CV) events. Factor XI (FXI) is associated with arterial thromboembolism, including myocardial infarction (MI), stroke, and CV mortality. The role of FXI in T2DM is unknown. We investigated whether plasma FXI is associated with CV events in T2DM patients in long-term observation.MethodsIn 133 T2DM patients (aged 66 & PLUSMN; 8 years, 40.6% women, median T2DM duration 5 [2-10] years) we assessed plasma FXI levels, along with fibrin clot properties, thrombin generation, and fibrinolysis proteins. A composite endpoint of MI, stroke, or CV death, as well as CV mortality alone were assessed during a median follow-up of 72 months.ResultsPlasma FXI above the 120% upper normal limit was detected in 25 (18.8%) patients and showed positive association with LDL cholesterol and thrombin activatable fibrinolysis inhibitor, but not glycated hemoglobin, inflammatory markers or thrombin generation. The composite endpoint (n = 21, 15.8%) and CV death alone (n = 16, 12%) were more common in patients with elevated FXI (hazard ratio [HR] 10.94, 95% confidence interval [CI] 4.46-26.87, p < 0.001 and HR 7.11, 95% CI 2.61-19.31, p < 0.001, respectively). On multivariable analysis, FXI remained an independent predictor of the composite endpoint and CV death, regardless of concomitant coronary artery disease.ConclusionsTo our knowledge, this study is the first to show that in T2DM patients, elevated FXI could predict major CV events, including mortality, which suggest that anti-FXI agents might be a potential novel antithrombotic option in this disease.
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