A Rare Case of Acute Myocardial Infarction due to Coronary Artery Dissection and Heparin-Induced Thrombocytopenia

Although both coronary artery dissection and heparin-induced thrombocytopenia may provoke myocardial infarction, it is extremely rare for both conditions to develop simultaneously in a single patient. We report a case of a 69-year-old woman who sustained a head-on motor vehicle accident with associa...

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Main Authors: Michael G. Fradley, Douglas E. Drachman
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Case Reports in Medicine
Online Access:http://dx.doi.org/10.1155/2012/196020
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author Michael G. Fradley
Douglas E. Drachman
author_facet Michael G. Fradley
Douglas E. Drachman
author_sort Michael G. Fradley
collection DOAJ
description Although both coronary artery dissection and heparin-induced thrombocytopenia may provoke myocardial infarction, it is extremely rare for both conditions to develop simultaneously in a single patient. We report a case of a 69-year-old woman who sustained a head-on motor vehicle accident with associated chest trauma. During a subsequent hospitalization, she was exposed to subcutaneous heparin and developed significant thrombocytopenia. Shortly thereafter, she re-presented with an acute myocardial infarction. Coronary angiography revealed a spiral dissection with superimposed thrombosis within the right coronary artery, while laboratory testing confirmed the diagnosis of heparin induced thrombocytopenia. She was treated with catheter-based thrombectomy and adjunctive direct thrombin inhibitor therapy, followed by three months of systemic anticoagulation with warfarin. To our knowledge, this represents the first published case of a native vessel myocardial infarction due to the combination of coronary artery dissection and heparin-induced thrombocytopenia.
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spelling doaj-art-906e80a145eb4ee29d81843a21b011382025-08-20T02:09:14ZengWileyCase Reports in Medicine1687-96271687-96352012-01-01201210.1155/2012/196020196020A Rare Case of Acute Myocardial Infarction due to Coronary Artery Dissection and Heparin-Induced ThrombocytopeniaMichael G. Fradley0Douglas E. Drachman1Division of Cardiology, Department of Medicine, MA General Hospital, Boston, MA 02114, USADivision of Cardiology, Department of Medicine, MA General Hospital, Boston, MA 02114, USAAlthough both coronary artery dissection and heparin-induced thrombocytopenia may provoke myocardial infarction, it is extremely rare for both conditions to develop simultaneously in a single patient. We report a case of a 69-year-old woman who sustained a head-on motor vehicle accident with associated chest trauma. During a subsequent hospitalization, she was exposed to subcutaneous heparin and developed significant thrombocytopenia. Shortly thereafter, she re-presented with an acute myocardial infarction. Coronary angiography revealed a spiral dissection with superimposed thrombosis within the right coronary artery, while laboratory testing confirmed the diagnosis of heparin induced thrombocytopenia. She was treated with catheter-based thrombectomy and adjunctive direct thrombin inhibitor therapy, followed by three months of systemic anticoagulation with warfarin. To our knowledge, this represents the first published case of a native vessel myocardial infarction due to the combination of coronary artery dissection and heparin-induced thrombocytopenia.http://dx.doi.org/10.1155/2012/196020
spellingShingle Michael G. Fradley
Douglas E. Drachman
A Rare Case of Acute Myocardial Infarction due to Coronary Artery Dissection and Heparin-Induced Thrombocytopenia
Case Reports in Medicine
title A Rare Case of Acute Myocardial Infarction due to Coronary Artery Dissection and Heparin-Induced Thrombocytopenia
title_full A Rare Case of Acute Myocardial Infarction due to Coronary Artery Dissection and Heparin-Induced Thrombocytopenia
title_fullStr A Rare Case of Acute Myocardial Infarction due to Coronary Artery Dissection and Heparin-Induced Thrombocytopenia
title_full_unstemmed A Rare Case of Acute Myocardial Infarction due to Coronary Artery Dissection and Heparin-Induced Thrombocytopenia
title_short A Rare Case of Acute Myocardial Infarction due to Coronary Artery Dissection and Heparin-Induced Thrombocytopenia
title_sort rare case of acute myocardial infarction due to coronary artery dissection and heparin induced thrombocytopenia
url http://dx.doi.org/10.1155/2012/196020
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