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Hemorrhagic stroke the first 30days after an acute myocardial infarction: Incidence, time trends and predictors of risk.
MedLine Citation:
PMID:  25062554     Owner:  NLM     Status:  Publisher    
BACKGROUND/OBJECTIVES: Hemorrhagic stroke is a rare but serious complication after an acute myocardial infarction (AMI). The aims of our study were to establish the incidence, time trends and predictors of risk for hemorrhagic stroke within 30days after an AMI in 1998-2008.
METHODS: We collected data from the Register of Information and Knowledge about Swedish Heart Intensive Care Admissions (RIKS-HIA). All patients with a myocardial infarction 1998-2008 were included, n=173,233. The data was merged with the National Patient Register in order to identify patients suffering a hemorrhagic stroke. To identify predictors of risk we used Cox models.
RESULTS: Overall the incidence decreased from 0.2% (n=94) in 1998-2000 to 0.1% (n=41) in 2007-2008. In patients with ST-elevation myocardial infarction the corresponding incidences were 0.4% (n=76) in 1998-2000 and 0.2% (n=21) in 2007-2008, and after fibrin specific thrombolytic treatment 0.6% and 1.1%, respectively, with a peak of 1.4% during 2003-2004. In total 375 patients (0.22%) suffered a hemorrhagic stroke within 30days of the AMI. The preferred method of reperfusion changed from thrombolysis to percutaneous coronary intervention (PCI). Older age (hazard ratio (HR) >65-≤75 vs ≤65years 1.84, 95% confidence interval (CI) 1.38-2.45), thrombolysis (HR 6.84, 95% CI 5.51-8.48), history of hemorrhagic stroke (HR 12.52, CI 8.36-18.78) and prior hypertension (HR 1.52, CI 1.23-1.86) independently predicted hemorrhagic stroke within 30days.
CONCLUSIONS: The rate of hemorrhagic stroke within 30days of an AMI has decreased by 50% between 1998 and 2008. The main reason is the shift in reperfusion method from thrombolysis to PCI.
Emil Binsell-Gerdin; Anna Graipe; Joachim Ogren; Tomas Jernberg; Thomas Mooe
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-7-12
Journal Detail:
Title:  International journal of cardiology     Volume:  -     ISSN:  1874-1754     ISO Abbreviation:  Int. J. Cardiol.     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-7-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8200291     Medline TA:  Int J Cardiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.
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