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Biventricular thrombi in dilated cardiomyopathy: massive simultaneous pulmonary and systemic embolisation
L Missault1, A Koch, F Colardyn
1Department of Cardiology, University Hospital, Gent, Belgium.
European Heart Journal
|May 1, 1994
Summary
Oral anticoagulation may paradoxically worsen embolization risk in patients with dilated cardiomyopathy and biventricular thrombi. Surgical thrombus removal might be a safer alternative in specific cases for managing these cardiac thrombi.
Area of Science:
- Cardiology
- Cardiovascular Medicine
- Thrombosis Research
Background:
- Dilated cardiomyopathy is a significant cause of heart failure.
- Biventricular thrombus formation is a known complication, increasing embolic risk.
- Anticoagulation is standard therapy for preventing thromboembolic events in cardiac conditions.
Observation:
- A patient with dilated cardiomyopathy and biventricular thrombi experienced massive systemic and pulmonary embolization shortly after initiating oral anticoagulation.
- This event occurred despite the standard therapeutic approach.
Findings:
- The timing of embolization suggests a potential, albeit unusual, complication of anticoagulation therapy.
- Oral anticoagulation might, in some cases, destabilize existing thrombi, leading to embolization.
- This challenges the universal application of anticoagulation as the sole initial treatment.
Implications:
- Consideration of alternative or adjunctive treatments to anticoagulation may be necessary for specific patient profiles.
- Surgical thrombectomy could be a safer initial approach for biventricular thrombi in dilated cardiomyopathy.
- Further research is warranted to elucidate the mechanisms and identify predictors for this paradoxical embolic phenomenon.