Why the study?
Left ventricular thrombus formation is a known complication that carries a risk for systemic embolization.
This case highlights the rapid risk of systemic embolization of a left ventricular thrombus during cardiopulmonary bypass, which may occur before emergent preventive measures like aortic cross-clamping can be effective.
May warrant preemptive vigilance for embolization before cross-clamping in LV thrombus cases; leaves optimal prevention strategies open for study.
Left ventricular (LV) thrombus formation is a known complication associated with acute myocardial infarction and other conditions that impair LV function, carrying a risk for systemic embolization.1,2 In this report, we describe a case in which an emergent aortic cross-clamp was applied in an attempt to prevent a thrombus, which had dislodged from the LV apex into the LV outflow tract (LVOT), from migrating into the systemic circulation. However, it was later discovered that the thrombus had already migrated into the systemic circulation as an embolus before the aortic cross-clamp.
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Kawabe et al. (2025) studied this question.
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