D-dimer and the incidence of heart failure and mortality after acute myocardial infarction

Xiaoyuan Zhang1,2, Shanjie Wang1,2, Jinxin Liu1,2

  • 1Department of Cardiology, Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China.

Insights

Elevated D-dimer levels after acute myocardial infarction (AMI) correlate with increased risk of heart failure (HF) post-hospitalization and all-cause mortality. Baseline D-dimer is a significant prognostic marker in AMI patients.

Area of Science:

  • Cardiology
  • Biomarkers
  • Thrombosis

Background:

  • D-dimer indicates thrombogenesis and hypercoagulable states post-plaque rupture.
  • Limited research exists on baseline D-dimer and heart failure (HF) incidence or mortality in acute myocardial infarction (AMI) populations.

Purpose of the Study:

  • To investigate the association between baseline D-dimer levels and the incidence of HF and all-cause mortality in patients with AMI.

Main Methods:

  • Prospective cohort study of 4504 consecutive AMI patients with complete data.
  • Analysis of plasma D-dimer levels on admission concerning HF incidence and all-cause mortality.

Main Results:

  • Over 1-year follow-up, 16.7% developed HF post-hospitalization and 7.1% died.
  • Higher D-dimer quartiles (Q3, Q4) were associated with increased risk of post-hospitalization HF (HR 1.51-1.49).
  • Highest D-dimer quartile (Q4) showed a >2-fold increased risk of all-cause mortality (HR 2.34). No association with in-hospital HF.

Conclusions:

  • Baseline D-dimer levels are associated with the incidence of heart failure after hospitalization and all-cause mortality in patients with acute myocardial infarction.
  • D-dimer serves as a prognostic indicator for adverse outcomes in AMI patients.
Abstract

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