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Recurrent myocardial infarctions in a young football player secondary to thrombophilia, associated with elevated factor VIII activity

Authors Vacek T, Yu S, Rahman S, Grubb B, Kosinski D, Verghese C, Eltahawy E, Shafiq Q

Received 26 May 2014

Accepted for publication 4 July 2014

Published 31 October 2014 Volume 2014:7 Pages 147—154


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Thomas P Vacek, Shipeng Yu, Shahnaz Rehman, Blair P Grubb, Daniel Kosinski, Cherian Verghese, Ehab A Eltahawy, Shafiq Qaiser

Department of Medicine, University of Toledo Medical Center, Toledo, OH, USA

Abstract: Myocardial infarction (MI) due to coronary atherosclerosis in young adults is uncommon; rare causes such as cocaine abuse, arterial dissection, and thromboembolism should be considered. A 21-year-old football player, and otherwise healthy African American man, developed chest pain during exercise while bench-pressing 400 lbs. Acute MI was diagnosed based on physical examination, electrocardiography findings, and elevated cardiac enzymes. Coronary arteriography showed a thrombus occluding the proximal left anterior descending artery (LAD). Aggressive antiplatelet therapy with aspirin, clopidogrel, and eptifibatide was pursued, in addition to standard post-MI care. This led to the successful resolution of symptoms and dissolution of the thrombus, demonstrated by repeat coronary arteriography. Five months later, he presented with similar symptoms during exercise after lifting heavy weights, and was found to have another acute MI. Coronary arteriography again showed a thrombus occluding the LAD. No evidence of coronary artery dissection or vasospasm was found. Only mild atherosclerotic plaque burden was observed on both occasions by intravascular ultrasound. A bare metal stent was placed at the site as it was thought this site had acted as a nidus for small plaque rupture and thrombus formation. Elevated serum factor VIII activity at 205% (reference range 60%–140%) was found, a rare cause of hypercoagulability. Further workup revealed a patent foramen ovale during a Valsalva maneuver by transesophageal echocardiography. Both events occurred during weight lifting, which can transiently increase right heart pressure in a similar way to the Valsalva maneuver. In light of all the findings, we concluded that an exercise-related increase in factor VIII activity led to coronary arterial thrombosis in the presence of a small ruptured plaque. Alternatively, venous clots may have traversed the patent foramen ovale and occluded the LAD. In addition to continuing aggressive risk factor modification, anticoagulation therapy with warfarin was initiated with close follow-up.

Keywords: MI, factor VIII, exercise, myocardial infarction, young, football player

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