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Coronary spasm-related acute myocardial infarction in a patient with essential thrombocythemia.
MedLine Citation:
PMID:  21876778     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We report a case of essential thrombocythemia (ET) in a 30-year-old female who exhibited inferior wall ST-elevation acute myocardial infarction (AMI) without significant obstructive coronary artery disease. Right coronary vasospasm was observed after intra-coronary methylergonovine administration and she received verapamil 120 mg/dthereafter and hydroxyurea 1500 mg/d for thrombocythemia. After discontinuation of the hydroxyurea for 9 mo based on the impression of coronary spasm-related instead of coronary thrombosis-related AMI, her platelet count rose but no chest pain was observed. It is suggested that coronary spasm potentially plays a role in patients with ET, AMI and no significant coronary artery stenosis.
Authors:
Chi-Wen Cheng; Ming-Jui Hung
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  World journal of cardiology     Volume:  3     ISSN:  1949-8462     ISO Abbreviation:  World J Cardiol     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-08-30     Completed Date:  2011-11-10     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  101537090     Medline TA:  World J Cardiol     Country:  China    
Other Details:
Languages:  eng     Pagination:  278-80     Citation Subset:  -    
Affiliation:
Chi-Wen Cheng, Ming-Jui Hung, Department of Cardiology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Keelung City 20401, Taiwan, China.
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