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- Title
Cheating the CHA<sub>2</sub>DS<sub>2</sub>-VASc Score: Thromboembolism in Apical Hypertrophic Cardiomyopathy.
- Authors
Weir, Robin A. P.; MacKenzie, Nicola; Petrie, Colin J.
- Abstract
Atrial fibrillation increases the risk of systemic thromboembolism in general and stroke in particular. Not all patients who develop atrial fibrillation are at significantly heightened risk of thromboembolic complications, however, with the development of risk scoring systems aiding clinicians in determining whether formal anticoagulation is mandated. The most commonly used contemporary scoring systems--CHADS2 and CHA2DS2-VASc--provide a reliable means of assessing stroke risk, but certain cardiac conditions are associated with an increased incidence of thromboembolism without impacting on these risk scores. Hypertrophic cardiomyopathy, with its apical variant, is such a condition. We present a case of a patient with apical hypertrophic cardiomyopathy and atrial fibrillation who suffered dire thromboembolic consequences despite a reassuringly low CHA2DS2-VASc score and suggest that this scoring system is modified to incorporate the thromboembolic risk inherent to certain cardiomyopathies irrespective of impairment of left ventricular systolic dysfunction or clinical heart failure.
- Subjects
THROMBOEMBOLISM risk factors; ATRIAL fibrillation; HYPERTROPHIC cardiomyopathy; DISEASE complications; HEART failure; LEFT ventricular hypertrophy; ANTICOAGULANTS
- Publication
Case Reports in Cardiology, 2014, p1
- ISSN
2090-6404
- Publication type
Article
- DOI
10.1155/2014/189895