Increased embolic risk in patients with left ventricular thrombi

Area of Science:

• Cardiology
• Cardiovascular Medicine
• Thrombosis Research

Background:

• Left ventricular thrombi (LVT) are known embolic risks post-myocardial infarction.
• Long-term embolic risk associated with LVT remains incompletely defined.

Purpose of the Study:

• To determine the long-term incidence of systemic emboli in patients with echocardiographically documented left ventricular thrombi.
• To identify predictors of embolization in this patient cohort.

Main Methods:

• Prospective follow-up of 85 patients with LVT and 91 matched control patients without LVT.
• Systemic emboli were strictly defined and monitored over a mean follow-up of 22 months.
• Clinical and echocardiographic features were assessed for predictive value.

Main Results:

• Embolic events occurred in 13% of patients with LVT versus 2% in controls (p < .01).
• Actuarial probability of being embolus-free at 2 years was 86% for LVT patients vs. 97% for controls (p < .01).
• Thrombus protrusion and mobility were significant predictors of embolization (p < .02).

Conclusions:

• Left ventricular thrombi are associated with a significantly increased long-term risk of systemic emboli.
• The risk of embolization persists beyond the acute phase post-myocardial infarction.
• Thrombus characteristics like protrusion and mobility are crucial for risk stratification.